/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hive.metastore;
import static org.apache.commons.lang.StringUtils.join;
import static org.apache.hadoop.hive.metastore.MetaStoreUtils.DEFAULT_DATABASE_COMMENT;
import static org.apache.hadoop.hive.metastore.MetaStoreUtils.DEFAULT_DATABASE_NAME;
import static org.apache.hadoop.hive.metastore.MetaStoreUtils.validateName;
import java.io.IOException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.AbstractMap;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Formatter;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
import java.util.Set;
import java.util.Timer;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import java.util.regex.Pattern;
import org.apache.commons.cli.OptionBuilder;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hive.common.FileUtils;
import org.apache.hadoop.hive.common.LogUtils;
import org.apache.hadoop.hive.common.LogUtils.LogInitializationException;
import org.apache.hadoop.hive.common.classification.InterfaceAudience;
import org.apache.hadoop.hive.common.classification.InterfaceStability;
import org.apache.hadoop.hive.common.cli.CommonCliOptions;
import org.apache.hadoop.hive.common.metrics.Metrics;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.conf.HiveConf.ConfVars;
import org.apache.hadoop.hive.metastore.api.AbortTxnRequest;
import org.apache.hadoop.hive.metastore.api.AddPartitionsRequest;
import org.apache.hadoop.hive.metastore.api.AddPartitionsResult;
import org.apache.hadoop.hive.metastore.api.AlreadyExistsException;
import org.apache.hadoop.hive.metastore.api.CheckLockRequest;
import org.apache.hadoop.hive.metastore.api.ColumnStatistics;
import org.apache.hadoop.hive.metastore.api.ColumnStatisticsDesc;
import org.apache.hadoop.hive.metastore.api.ColumnStatisticsObj;
import org.apache.hadoop.hive.metastore.api.CommitTxnRequest;
import org.apache.hadoop.hive.metastore.api.CompactionRequest;
import org.apache.hadoop.hive.metastore.api.ConfigValSecurityException;
import org.apache.hadoop.hive.metastore.api.Database;
import org.apache.hadoop.hive.metastore.api.DropPartitionsExpr;
import org.apache.hadoop.hive.metastore.api.DropPartitionsRequest;
import org.apache.hadoop.hive.metastore.api.DropPartitionsResult;
import org.apache.hadoop.hive.metastore.api.EnvironmentContext;
import org.apache.hadoop.hive.metastore.api.FieldSchema;
import org.apache.hadoop.hive.metastore.api.Function;
import org.apache.hadoop.hive.metastore.api.GetOpenTxnsInfoResponse;
import org.apache.hadoop.hive.metastore.api.GetOpenTxnsResponse;
import org.apache.hadoop.hive.metastore.api.GetPrincipalsInRoleRequest;
import org.apache.hadoop.hive.metastore.api.GetPrincipalsInRoleResponse;
import org.apache.hadoop.hive.metastore.api.GetRoleGrantsForPrincipalRequest;
import org.apache.hadoop.hive.metastore.api.GetRoleGrantsForPrincipalResponse;
import org.apache.hadoop.hive.metastore.api.HeartbeatRequest;
import org.apache.hadoop.hive.metastore.api.HeartbeatTxnRangeRequest;
import org.apache.hadoop.hive.metastore.api.HeartbeatTxnRangeResponse;
import org.apache.hadoop.hive.metastore.api.HiveObjectPrivilege;
import org.apache.hadoop.hive.metastore.api.HiveObjectRef;
import org.apache.hadoop.hive.metastore.api.HiveObjectType;
import org.apache.hadoop.hive.metastore.api.Index;
import org.apache.hadoop.hive.metastore.api.IndexAlreadyExistsException;
import org.apache.hadoop.hive.metastore.api.InvalidInputException;
import org.apache.hadoop.hive.metastore.api.InvalidObjectException;
import org.apache.hadoop.hive.metastore.api.InvalidOperationException;
import org.apache.hadoop.hive.metastore.api.InvalidPartitionException;
import org.apache.hadoop.hive.metastore.api.LockRequest;
import org.apache.hadoop.hive.metastore.api.LockResponse;
import org.apache.hadoop.hive.metastore.api.MetaException;
import org.apache.hadoop.hive.metastore.api.NoSuchLockException;
import org.apache.hadoop.hive.metastore.api.NoSuchObjectException;
import org.apache.hadoop.hive.metastore.api.NoSuchTxnException;
import org.apache.hadoop.hive.metastore.api.OpenTxnRequest;
import org.apache.hadoop.hive.metastore.api.OpenTxnsResponse;
import org.apache.hadoop.hive.metastore.api.Partition;
import org.apache.hadoop.hive.metastore.api.PartitionEventType;
import org.apache.hadoop.hive.metastore.api.PartitionsByExprRequest;
import org.apache.hadoop.hive.metastore.api.PartitionsByExprResult;
import org.apache.hadoop.hive.metastore.api.PartitionsStatsRequest;
import org.apache.hadoop.hive.metastore.api.PartitionsStatsResult;
import org.apache.hadoop.hive.metastore.api.PrincipalPrivilegeSet;
import org.apache.hadoop.hive.metastore.api.PrincipalType;
import org.apache.hadoop.hive.metastore.api.PrivilegeBag;
import org.apache.hadoop.hive.metastore.api.PrivilegeGrantInfo;
import org.apache.hadoop.hive.metastore.api.RequestPartsSpec;
import org.apache.hadoop.hive.metastore.api.Role;
import org.apache.hadoop.hive.metastore.api.RolePrincipalGrant;
import org.apache.hadoop.hive.metastore.api.ShowCompactRequest;
import org.apache.hadoop.hive.metastore.api.ShowCompactResponse;
import org.apache.hadoop.hive.metastore.api.ShowLocksRequest;
import org.apache.hadoop.hive.metastore.api.ShowLocksResponse;
import org.apache.hadoop.hive.metastore.api.SkewedInfo;
import org.apache.hadoop.hive.metastore.api.Table;
import org.apache.hadoop.hive.metastore.api.TableStatsRequest;
import org.apache.hadoop.hive.metastore.api.TableStatsResult;
import org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore;
import org.apache.hadoop.hive.metastore.api.TxnAbortedException;
import org.apache.hadoop.hive.metastore.api.TxnOpenException;
import org.apache.hadoop.hive.metastore.api.Type;
import org.apache.hadoop.hive.metastore.api.UnknownDBException;
import org.apache.hadoop.hive.metastore.api.UnknownPartitionException;
import org.apache.hadoop.hive.metastore.api.UnknownTableException;
import org.apache.hadoop.hive.metastore.api.UnlockRequest;
import org.apache.hadoop.hive.metastore.api.hive_metastoreConstants;
import org.apache.hadoop.hive.metastore.events.AddPartitionEvent;
import org.apache.hadoop.hive.metastore.events.AlterPartitionEvent;
import org.apache.hadoop.hive.metastore.events.AlterTableEvent;
import org.apache.hadoop.hive.metastore.events.CreateDatabaseEvent;
import org.apache.hadoop.hive.metastore.events.CreateTableEvent;
import org.apache.hadoop.hive.metastore.events.DropDatabaseEvent;
import org.apache.hadoop.hive.metastore.events.DropPartitionEvent;
import org.apache.hadoop.hive.metastore.events.DropTableEvent;
import org.apache.hadoop.hive.metastore.events.EventCleanerTask;
import org.apache.hadoop.hive.metastore.events.LoadPartitionDoneEvent;
import org.apache.hadoop.hive.metastore.events.PreAddPartitionEvent;
import org.apache.hadoop.hive.metastore.events.PreAlterPartitionEvent;
import org.apache.hadoop.hive.metastore.events.PreAlterTableEvent;
import org.apache.hadoop.hive.metastore.events.PreCreateDatabaseEvent;
import org.apache.hadoop.hive.metastore.events.PreCreateTableEvent;
import org.apache.hadoop.hive.metastore.events.PreDropDatabaseEvent;
import org.apache.hadoop.hive.metastore.events.PreDropPartitionEvent;
import org.apache.hadoop.hive.metastore.events.PreDropTableEvent;
import org.apache.hadoop.hive.metastore.events.PreEventContext;
import org.apache.hadoop.hive.metastore.events.PreLoadPartitionDoneEvent;
import org.apache.hadoop.hive.metastore.model.MDBPrivilege;
import org.apache.hadoop.hive.metastore.model.MGlobalPrivilege;
import org.apache.hadoop.hive.metastore.model.MPartitionColumnPrivilege;
import org.apache.hadoop.hive.metastore.model.MPartitionPrivilege;
import org.apache.hadoop.hive.metastore.model.MRole;
import org.apache.hadoop.hive.metastore.model.MRoleMap;
import org.apache.hadoop.hive.metastore.model.MTableColumnPrivilege;
import org.apache.hadoop.hive.metastore.model.MTablePrivilege;
import org.apache.hadoop.hive.metastore.txn.TxnHandler;
import org.apache.hadoop.hive.serde2.Deserializer;
import org.apache.hadoop.hive.serde2.SerDeException;
import org.apache.hadoop.hive.shims.ShimLoader;
import org.apache.hadoop.hive.thrift.HadoopThriftAuthBridge;
import org.apache.hadoop.hive.thrift.TUGIContainingTransport;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.util.ReflectionUtils;
import org.apache.hadoop.util.StringUtils;
import org.apache.thrift.TException;
import org.apache.thrift.TProcessor;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.server.TServer;
import org.apache.thrift.server.TThreadPoolServer;
import org.apache.thrift.transport.TFramedTransport;
import org.apache.thrift.transport.TServerSocket;
import org.apache.thrift.transport.TServerTransport;
import org.apache.thrift.transport.TTransport;
import org.apache.thrift.transport.TTransportFactory;
import com.facebook.fb303.FacebookBase;
import com.facebook.fb303.fb_status;
import com.google.common.base.Splitter;
import com.google.common.collect.Lists;
/**
* TODO:pc remove application logic to a separate interface.
*/
public class HiveMetaStore extends ThriftHiveMetastore {
public static final Log LOG = LogFactory.getLog(HiveMetaStore.class);
/** A fixed date format to be used for hive partition column values. */
public static final DateFormat PARTITION_DATE_FORMAT;
static {
PARTITION_DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd");
PARTITION_DATE_FORMAT.setLenient(false); // Without this, 2020-20-20 becomes 2021-08-20.
}
/**
* default port on which to start the Hive server
*/
private static final int DEFAULT_HIVE_METASTORE_PORT = 9083;
public static final String ADMIN = "admin";
public static final String PUBLIC = "public";
private static HadoopThriftAuthBridge.Server saslServer;
private static boolean useSasl;
private static final class ChainedTTransportFactory extends TTransportFactory {
private final TTransportFactory parentTransFactory;
private final TTransportFactory childTransFactory;
private ChainedTTransportFactory(
TTransportFactory parentTransFactory,
TTransportFactory childTransFactory) {
this.parentTransFactory = parentTransFactory;
this.childTransFactory = childTransFactory;
}
@Override
public TTransport getTransport(TTransport trans) {
return childTransFactory.getTransport(parentTransFactory.getTransport(trans));
}
}
public static class HMSHandler extends FacebookBase implements
IHMSHandler {
public static final Log LOG = HiveMetaStore.LOG;
private static boolean createDefaultDB = false;
private static boolean defaultRolesCreated = false;
private static boolean adminUsersAdded = false;
private String rawStoreClassName;
private final HiveConf hiveConf; // stores datastore (jpox) properties,
// right now they come from jpox.properties
private Warehouse wh; // hdfs warehouse
private final ThreadLocal<RawStore> threadLocalMS =
new ThreadLocal<RawStore>() {
@Override
protected synchronized RawStore initialValue() {
return null;
}
};
private final ThreadLocal<TxnHandler> threadLocalTxn = new ThreadLocal<TxnHandler>() {
@Override
protected synchronized TxnHandler initialValue() {
return null;
}
};
// Thread local configuration is needed as many threads could make changes
// to the conf using the connection hook
private final ThreadLocal<Configuration> threadLocalConf =
new ThreadLocal<Configuration>() {
@Override
protected synchronized Configuration initialValue() {
return null;
}
};
public static final String AUDIT_FORMAT =
"ugi=%s\t" + // ugi
"ip=%s\t" + // remote IP
"cmd=%s\t"; // command
public static final Log auditLog = LogFactory.getLog(
HiveMetaStore.class.getName() + ".audit");
private static final ThreadLocal<Formatter> auditFormatter =
new ThreadLocal<Formatter>() {
@Override
protected Formatter initialValue() {
return new Formatter(new StringBuilder(AUDIT_FORMAT.length() * 4));
}
};
private final void logAuditEvent(String cmd) {
if (cmd == null) {
return;
}
UserGroupInformation ugi;
try {
ugi = ShimLoader.getHadoopShims().getUGIForConf(getConf());
} catch (Exception ex) {
throw new RuntimeException(ex);
}
final Formatter fmt = auditFormatter.get();
((StringBuilder) fmt.out()).setLength(0);
String address;
if (useSasl) {
address = saslServer.getRemoteAddress().toString();
} else {
address = getIpAddress();
}
if (address == null) {
address = "unknown-ip-addr";
}
auditLog.info(fmt.format(AUDIT_FORMAT, ugi.getUserName(),
address, cmd).toString());
}
// The next serial number to be assigned
private boolean checkForDefaultDb;
private static int nextSerialNum = 0;
private static ThreadLocal<Integer> threadLocalId = new ThreadLocal<Integer>() {
@Override
protected synchronized Integer initialValue() {
return new Integer(nextSerialNum++);
}
};
// This will only be set if the metastore is being accessed from a metastore Thrift server,
// not if it is from the CLI. Also, only if the TTransport being used to connect is an
// instance of TSocket.
private static ThreadLocal<String> threadLocalIpAddress = new ThreadLocal<String>() {
@Override
protected synchronized String initialValue() {
return null;
}
};
public static void setIpAddress(String ipAddress) {
threadLocalIpAddress.set(ipAddress);
}
// This will return null if the metastore is not being accessed from a metastore Thrift server,
// or if the TTransport being used to connect is not an instance of TSocket.
public static String getIpAddress() {
return threadLocalIpAddress.get();
}
public static Integer get() {
return threadLocalId.get();
}
public static void resetDefaultDBFlag() {
createDefaultDB = false;
}
public HMSHandler(String name) throws MetaException {
super(name);
hiveConf = new HiveConf(this.getClass());
init();
}
public HMSHandler(String name, HiveConf conf) throws MetaException {
super(name);
hiveConf = conf;
init();
}
public HiveConf getHiveConf() {
return hiveConf;
}
private ClassLoader classLoader;
private AlterHandler alterHandler;
private List<MetaStorePreEventListener> preListeners;
private List<MetaStoreEventListener> listeners;
private List<MetaStoreEndFunctionListener> endFunctionListeners;
private List<MetaStoreInitListener> initListeners;
private Pattern partitionValidationPattern;
{
classLoader = Thread.currentThread().getContextClassLoader();
if (classLoader == null) {
classLoader = Configuration.class.getClassLoader();
}
}
private boolean init() throws MetaException {
rawStoreClassName = hiveConf.getVar(HiveConf.ConfVars.METASTORE_RAW_STORE_IMPL);
checkForDefaultDb = hiveConf.getBoolean(
"hive.metastore.checkForDefaultDb", true);
initListeners = MetaStoreUtils.getMetaStoreListeners(
MetaStoreInitListener.class, hiveConf,
hiveConf.getVar(HiveConf.ConfVars.METASTORE_INIT_HOOKS));
for (MetaStoreInitListener singleInitListener: initListeners) {
MetaStoreInitContext context = new MetaStoreInitContext();
singleInitListener.onInit(context);
}
String alterHandlerName = hiveConf.get("hive.metastore.alter.impl",
HiveAlterHandler.class.getName());
alterHandler = (AlterHandler) ReflectionUtils.newInstance(MetaStoreUtils.getClass(
alterHandlerName), hiveConf);
wh = new Warehouse(hiveConf);
synchronized (HMSHandler.class) {
createDefaultDB();
createDefaultRoles();
addAdminUsers();
}
if (hiveConf.getBoolean("hive.metastore.metrics.enabled", false)) {
try {
Metrics.init();
} catch (Exception e) {
// log exception, but ignore inability to start
LOG.error("error in Metrics init: " + e.getClass().getName() + " "
+ e.getMessage(), e);
}
}
preListeners = MetaStoreUtils.getMetaStoreListeners(MetaStorePreEventListener.class,
hiveConf,
hiveConf.getVar(HiveConf.ConfVars.METASTORE_PRE_EVENT_LISTENERS));
listeners = MetaStoreUtils.getMetaStoreListeners(MetaStoreEventListener.class, hiveConf,
hiveConf.getVar(HiveConf.ConfVars.METASTORE_EVENT_LISTENERS));
endFunctionListeners = MetaStoreUtils.getMetaStoreListeners(
MetaStoreEndFunctionListener.class, hiveConf,
hiveConf.getVar(HiveConf.ConfVars.METASTORE_END_FUNCTION_LISTENERS));
String partitionValidationRegex =
hiveConf.getVar(HiveConf.ConfVars.METASTORE_PARTITION_NAME_WHITELIST_PATTERN);
if (partitionValidationRegex != null && partitionValidationRegex != "") {
partitionValidationPattern = Pattern.compile(partitionValidationRegex);
} else {
partitionValidationPattern = null;
}
long cleanFreq = hiveConf.getLongVar(ConfVars.METASTORE_EVENT_CLEAN_FREQ) * 1000L;
if (cleanFreq > 0) {
// In default config, there is no timer.
Timer cleaner = new Timer("Metastore Events Cleaner Thread", true);
cleaner.schedule(new EventCleanerTask(this), cleanFreq, cleanFreq);
}
return true;
}
private String addPrefix(String s) {
return threadLocalId.get() + ": " + s;
}
@Override
public void setConf(Configuration conf) {
threadLocalConf.set(conf);
RawStore ms = threadLocalMS.get();
if (ms != null) {
ms.setConf(conf);
}
}
public Configuration getConf() {
Configuration conf = threadLocalConf.get();
if (conf == null) {
conf = new Configuration(hiveConf);
threadLocalConf.set(conf);
}
return conf;
}
public Warehouse getWh() {
return wh;
}
/**
* Get a cached RawStore.
*
* @return the cached RawStore
* @throws MetaException
*/
@InterfaceAudience.LimitedPrivate({"HCATALOG"})
@InterfaceStability.Evolving
public RawStore getMS() throws MetaException {
RawStore ms = threadLocalMS.get();
if (ms == null) {
ms = newRawStore();
ms.verifySchema();
threadLocalMS.set(ms);
ms = threadLocalMS.get();
}
return ms;
}
private TxnHandler getTxnHandler() {
TxnHandler txn = threadLocalTxn.get();
if (txn == null) {
txn = new TxnHandler(hiveConf);
threadLocalTxn.set(txn);
}
return txn;
}
private RawStore newRawStore() throws MetaException {
LOG.info(addPrefix("Opening raw store with implemenation class:"
+ rawStoreClassName));
Configuration conf = getConf();
return RawStoreProxy.getProxy(hiveConf, conf, rawStoreClassName, threadLocalId.get());
}
private void createDefaultDB_core(RawStore ms) throws MetaException, InvalidObjectException {
try {
ms.getDatabase(DEFAULT_DATABASE_NAME);
} catch (NoSuchObjectException e) {
Database db = new Database(DEFAULT_DATABASE_NAME, DEFAULT_DATABASE_COMMENT,
wh.getDefaultDatabasePath(DEFAULT_DATABASE_NAME).toString(), null);
db.setOwnerName(PUBLIC);
db.setOwnerType(PrincipalType.ROLE);
ms.createDatabase(db);
}
HMSHandler.createDefaultDB = true;
}
/**
* create default database if it doesn't exist
*
* @throws MetaException
*/
private void createDefaultDB() throws MetaException {
if (HMSHandler.createDefaultDB || !checkForDefaultDb) {
return;
}
try {
createDefaultDB_core(getMS());
} catch (InvalidObjectException e) {
throw new MetaException(e.getMessage());
} catch (MetaException e) {
throw e;
} catch (Exception e) {
assert (e instanceof RuntimeException);
throw (RuntimeException) e;
}
}
private void createDefaultRoles() throws MetaException {
if(defaultRolesCreated) {
LOG.debug("Admin role already created previously.");
return;
}
RawStore ms = getMS();
try {
ms.addRole(ADMIN, ADMIN);
} catch (InvalidObjectException e) {
LOG.debug(ADMIN +" role already exists",e);
} catch (NoSuchObjectException e) {
// This should never be thrown.
LOG.warn("Unexpected exception while adding " +ADMIN+" roles" , e);
}
LOG.info("Added "+ ADMIN+ " role in metastore");
try {
ms.addRole(PUBLIC, PUBLIC);
} catch (InvalidObjectException e) {
LOG.debug(PUBLIC + " role already exists",e);
} catch (NoSuchObjectException e) {
// This should never be thrown.
LOG.warn("Unexpected exception while adding "+PUBLIC +" roles" , e);
}
LOG.info("Added "+PUBLIC+ " role in metastore");
// now grant all privs to admin
PrivilegeBag privs = new PrivilegeBag();
privs.addToPrivileges(new HiveObjectPrivilege( new HiveObjectRef(HiveObjectType.GLOBAL, null,
null, null, null), ADMIN, PrincipalType.ROLE, new PrivilegeGrantInfo("All", 0, ADMIN,
PrincipalType.ROLE, true)));
try {
ms.grantPrivileges(privs);
} catch (InvalidObjectException e) {
// Surprisingly these privs are already granted.
LOG.debug("Failed while granting global privs to admin", e);
} catch (NoSuchObjectException e) {
// Unlikely to be thrown.
LOG.warn("Failed while granting global privs to admin", e);
}
defaultRolesCreated = true;
}
private void addAdminUsers() throws MetaException {
if(adminUsersAdded) {
LOG.debug("Admin users already added.");
return;
}
// now add pre-configured users to admin role
String userStr = HiveConf.getVar(hiveConf,ConfVars.USERS_IN_ADMIN_ROLE,"").trim();
if (userStr.isEmpty()) {
LOG.info("No user is added in admin role, since config is empty");
return;
}
// Since user names need to be valid unix user names, per IEEE Std 1003.1-2001 they cannot
// contain comma, so we can safely split above string on comma.
Iterator<String> users = Splitter.on(",").trimResults().omitEmptyStrings().split(userStr).iterator();
if (!users.hasNext()) {
LOG.info("No user is added in admin role, since config value "+ userStr +
" is in incorrect format. We accept comma seprated list of users.");
return;
}
Role adminRole;
RawStore ms = getMS();
try {
adminRole = ms.getRole(ADMIN);
} catch (NoSuchObjectException e) {
LOG.error("Failed to retrieve just added admin role",e);
return;
}
while (users.hasNext()) {
String userName = users.next();
try {
ms.grantRole(adminRole, userName, PrincipalType.USER, ADMIN, PrincipalType.ROLE, true);
LOG.info("Added " + userName + " to admin role");
} catch (NoSuchObjectException e) {
LOG.error("Failed to add "+ userName + " in admin role",e);
} catch (InvalidObjectException e) {
LOG.debug(userName + " already in admin role", e);
}
}
adminUsersAdded = true;
}
private void logInfo(String m) {
LOG.info(threadLocalId.get().toString() + ": " + m);
logAuditEvent(m);
}
public String startFunction(String function, String extraLogInfo) {
incrementCounter(function);
logInfo((getIpAddress() == null ? "" : "source:" + getIpAddress() + " ") +
function + extraLogInfo);
try {
Metrics.startScope(function);
} catch (IOException e) {
LOG.debug("Exception when starting metrics scope"
+ e.getClass().getName() + " " + e.getMessage(), e);
}
return function;
}
public String startFunction(String function) {
return startFunction(function, "");
}
public String startTableFunction(String function, String db, String tbl) {
return startFunction(function, " : db=" + db + " tbl=" + tbl);
}
public String startMultiTableFunction(String function, String db, List<String> tbls) {
String tableNames = join(tbls, ",");
return startFunction(function, " : db=" + db + " tbls=" + tableNames);
}
public String startPartitionFunction(String function, String db, String tbl,
List<String> partVals) {
return startFunction(function, " : db=" + db + " tbl=" + tbl
+ "[" + join(partVals, ",") + "]");
}
public String startPartitionFunction(String function, String db, String tbl,
Map<String, String> partName) {
return startFunction(function, " : db=" + db + " tbl=" + tbl + "partition=" + partName);
}
private void endFunction(String function, boolean successful, Exception e) {
endFunction(function, successful, e, null);
}
public void endFunction(String function, boolean successful, Exception e,
String inputTableName) {
endFunction(function, new MetaStoreEndFunctionContext(successful, e, inputTableName));
}
public void endFunction(String function, MetaStoreEndFunctionContext context) {
try {
Metrics.endScope(function);
} catch (IOException e) {
LOG.debug("Exception when closing metrics scope" + e);
}
for (MetaStoreEndFunctionListener listener : endFunctionListeners) {
listener.onEndFunction(function, context);
}
}
@Override
public fb_status getStatus() {
return fb_status.ALIVE;
}
@Override
public void shutdown() {
logInfo("Shutting down the object store...");
RawStore ms = threadLocalMS.get();
if (ms != null) {
ms.shutdown();
threadLocalMS.remove();
}
logInfo("Metastore shutdown complete.");
}
@Override
public AbstractMap<String, Long> getCounters() {
AbstractMap<String, Long> counters = super.getCounters();
// Allow endFunctionListeners to add any counters they have collected
if (endFunctionListeners != null) {
for (MetaStoreEndFunctionListener listener : endFunctionListeners) {
listener.exportCounters(counters);
}
}
return counters;
}
private void create_database_core(RawStore ms, final Database db)
throws AlreadyExistsException, InvalidObjectException, MetaException {
if (!validateName(db.getName())) {
throw new InvalidObjectException(db.getName() + " is not a valid database name");
}
if (null == db.getLocationUri()) {
db.setLocationUri(wh.getDefaultDatabasePath(db.getName()).toString());
} else {
db.setLocationUri(wh.getDnsPath(new Path(db.getLocationUri())).toString());
}
Path dbPath = new Path(db.getLocationUri());
boolean success = false;
boolean madeDir = false;
try {
firePreEvent(new PreCreateDatabaseEvent(db, this));
if (!wh.isDir(dbPath)) {
if (!wh.mkdirs(dbPath)) {
throw new MetaException("Unable to create database path " + dbPath +
", failed to create database " + db.getName());
}
madeDir = true;
}
ms.openTransaction();
ms.createDatabase(db);
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
if (madeDir) {
wh.deleteDir(dbPath, true);
}
}
for (MetaStoreEventListener listener : listeners) {
listener.onCreateDatabase(new CreateDatabaseEvent(db, success, this));
}
}
}
@Override
public void create_database(final Database db)
throws AlreadyExistsException, InvalidObjectException, MetaException {
startFunction("create_database", ": " + db.toString());
boolean success = false;
Exception ex = null;
try {
try {
if (null != get_database(db.getName())) {
throw new AlreadyExistsException("Database " + db.getName() + " already exists");
}
} catch (NoSuchObjectException e) {
// expected
}
create_database_core(getMS(), db);
success = true;
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidObjectException) {
throw (InvalidObjectException) e;
} else if (e instanceof AlreadyExistsException) {
throw (AlreadyExistsException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("create_database", success, ex);
}
}
@Override
public Database get_database(final String name) throws NoSuchObjectException,
MetaException {
startFunction("get_database", ": " + name);
Database db = null;
Exception ex = null;
try {
db = getMS().getDatabase(name);
} catch (MetaException e) {
ex = e;
throw e;
} catch (NoSuchObjectException e) {
ex = e;
throw e;
} catch (Exception e) {
ex = e;
assert (e instanceof RuntimeException);
throw (RuntimeException) e;
} finally {
endFunction("get_database", db != null, ex);
}
return db;
}
@Override
public void alter_database(final String dbName, final Database db)
throws NoSuchObjectException, TException, MetaException {
startFunction("alter_database" + dbName);
boolean success = false;
Exception ex = null;
try {
getMS().alterDatabase(dbName, db);
success = true;
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("alter_database", success, ex);
}
}
private void drop_database_core(RawStore ms,
final String name, final boolean deleteData, final boolean cascade)
throws NoSuchObjectException, InvalidOperationException, MetaException,
IOException, InvalidObjectException, InvalidInputException {
boolean success = false;
Database db = null;
List<Path> tablePaths = new ArrayList<Path>();
List<Path> partitionPaths = new ArrayList<Path>();
try {
ms.openTransaction();
db = ms.getDatabase(name);
firePreEvent(new PreDropDatabaseEvent(db, this));
List<String> allTables = get_all_tables(db.getName());
List<String> allFunctions = get_functions(db.getName(), "*");
if (!cascade) {
if (!allTables.isEmpty()) {
throw new InvalidOperationException(
"Database " + db.getName() + " is not empty. One or more tables exist.");
}
if (!allFunctions.isEmpty()) {
throw new InvalidOperationException(
"Database " + db.getName() + " is not empty. One or more functions exist.");
}
}
Path path = new Path(db.getLocationUri()).getParent();
if (!wh.isWritable(path)) {
throw new MetaException("Database not dropped since " +
path + " is not writable by " +
hiveConf.getUser());
}
Path databasePath = wh.getDnsPath(wh.getDatabasePath(db));
// drop any functions before dropping db
for (String funcName : allFunctions) {
drop_function(name, funcName);
}
// drop tables before dropping db
int tableBatchSize = HiveConf.getIntVar(hiveConf,
ConfVars.METASTORE_BATCH_RETRIEVE_MAX);
int startIndex = 0;
int endIndex = -1;
// retrieve the tables from the metastore in batches to alleviate memory constraints
while (endIndex < allTables.size() - 1) {
startIndex = endIndex + 1;
endIndex = endIndex + tableBatchSize;
if (endIndex >= allTables.size()) {
endIndex = allTables.size() - 1;
}
List<Table> tables = null;
try {
tables = ms.getTableObjectsByName(name, allTables.subList(startIndex, endIndex));
} catch (UnknownDBException e) {
throw new MetaException(e.getMessage());
}
if (tables != null && !tables.isEmpty()) {
for (Table table : tables) {
// If the table is not external and it might not be in a subdirectory of the database
// add it's locations to the list of paths to delete
Path tablePath = null;
if (table.getSd().getLocation() != null && !isExternal(table)) {
tablePath = wh.getDnsPath(new Path(table.getSd().getLocation()));
if (!wh.isWritable(tablePath.getParent())) {
throw new MetaException("Database metadata not deleted since table: " +
table.getTableName() + " has a parent location " + tablePath.getParent() +
" which is not writable by " + hiveConf.getUser());
}
if (!isSubdirectory(databasePath, tablePath)) {
tablePaths.add(tablePath);
}
}
// For each partition in each table, drop the partitions and get a list of
// partitions' locations which might need to be deleted
partitionPaths = dropPartitionsAndGetLocations(ms, name, table.getTableName(),
tablePath, table.getPartitionKeys(), deleteData && !isExternal(table));
// Drop the table but not its data
drop_table(name, table.getTableName(), false);
}
}
}
if (ms.dropDatabase(name)) {
success = ms.commitTransaction();
}
} finally {
if (!success) {
ms.rollbackTransaction();
} else if (deleteData) {
// Delete the data in the partitions which have other locations
deletePartitionData(partitionPaths);
// Delete the data in the tables which have other locations
for (Path tablePath : tablePaths) {
deleteTableData(tablePath);
}
// Delete the data in the database
try {
wh.deleteDir(new Path(db.getLocationUri()), true);
} catch (Exception e) {
LOG.error("Failed to delete database directory: " + db.getLocationUri() +
" " + e.getMessage());
}
// it is not a terrible thing even if the data is not deleted
}
for (MetaStoreEventListener listener : listeners) {
listener.onDropDatabase(new DropDatabaseEvent(db, success, this));
}
}
}
/**
* Returns a BEST GUESS as to whether or not other is a subdirectory of parent. It does not
* take into account any intricacies of the underlying file system, which is assumed to be
* HDFS. This should not return any false positives, but may return false negatives.
*
* @param parent
* @param other
* @return
*/
private boolean isSubdirectory(Path parent, Path other) {
return other.toString().startsWith(parent.toString().endsWith(Path.SEPARATOR) ?
parent.toString() : parent.toString() + Path.SEPARATOR);
}
@Override
public void drop_database(final String dbName, final boolean deleteData, final boolean cascade)
throws NoSuchObjectException, InvalidOperationException, MetaException {
startFunction("drop_database", ": " + dbName);
if (DEFAULT_DATABASE_NAME.equalsIgnoreCase(dbName)) {
endFunction("drop_database", false, null);
throw new MetaException("Can not drop default database");
}
boolean success = false;
Exception ex = null;
try {
drop_database_core(getMS(), dbName, deleteData, cascade);
success = true;
} catch (IOException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidOperationException) {
throw (InvalidOperationException) e;
} else if (e instanceof NoSuchObjectException) {
throw (NoSuchObjectException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("drop_database", success, ex);
}
}
@Override
public List<String> get_databases(final String pattern) throws MetaException {
startFunction("get_databases", ": " + pattern);
List<String> ret = null;
Exception ex = null;
try {
ret = getMS().getDatabases(pattern);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_databases", ret != null, ex);
}
return ret;
}
@Override
public List<String> get_all_databases() throws MetaException {
startFunction("get_all_databases");
List<String> ret = null;
Exception ex = null;
try {
ret = getMS().getAllDatabases();
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_all_databases", ret != null, ex);
}
return ret;
}
private void create_type_core(final RawStore ms, final Type type)
throws AlreadyExistsException, MetaException, InvalidObjectException {
if (!MetaStoreUtils.validateName(type.getName())) {
throw new InvalidObjectException("Invalid type name");
}
boolean success = false;
try {
ms.openTransaction();
if (is_type_exists(ms, type.getName())) {
throw new AlreadyExistsException("Type " + type.getName() + " already exists");
}
ms.createType(type);
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
}
}
}
@Override
public boolean create_type(final Type type) throws AlreadyExistsException,
MetaException, InvalidObjectException {
startFunction("create_type", ": " + type.toString());
boolean success = false;
Exception ex = null;
try {
create_type_core(getMS(), type);
success = true;
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidObjectException) {
throw (InvalidObjectException) e;
} else if (e instanceof AlreadyExistsException) {
throw (AlreadyExistsException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("create_type", success, ex);
}
return success;
}
@Override
public Type get_type(final String name) throws MetaException, NoSuchObjectException {
startFunction("get_type", ": " + name);
Type ret = null;
Exception ex = null;
try {
ret = getMS().getType(name);
if (null == ret) {
throw new NoSuchObjectException("Type \"" + name + "\" not found.");
}
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof NoSuchObjectException) {
throw (NoSuchObjectException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_type", ret != null, ex);
}
return ret;
}
private boolean is_type_exists(RawStore ms, String typeName)
throws MetaException {
return (ms.getType(typeName) != null);
}
private void drop_type_core(final RawStore ms, String typeName)
throws NoSuchObjectException, MetaException {
boolean success = false;
try {
ms.openTransaction();
// drop any partitions
if (!is_type_exists(ms, typeName)) {
throw new NoSuchObjectException(typeName + " doesn't exist");
}
if (!ms.dropType(typeName)) {
throw new MetaException("Unable to drop type " + typeName);
}
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
}
}
}
@Override
public boolean drop_type(final String name) throws MetaException, NoSuchObjectException {
startFunction("drop_type", ": " + name);
boolean success = false;
Exception ex = null;
try {
// TODO:pc validate that there are no types that refer to this
success = getMS().dropType(name);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof NoSuchObjectException) {
throw (NoSuchObjectException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("drop_type", success, ex);
}
return success;
}
@Override
public Map<String, Type> get_type_all(String name) throws MetaException {
// TODO Auto-generated method stub
startFunction("get_type_all", ": " + name);
endFunction("get_type_all", false, null);
throw new MetaException("Not yet implemented");
}
private void create_table_core(final RawStore ms, final Table tbl,
final EnvironmentContext envContext)
throws AlreadyExistsException, MetaException,
InvalidObjectException, NoSuchObjectException {
if (!MetaStoreUtils.validateName(tbl.getTableName())) {
throw new InvalidObjectException(tbl.getTableName()
+ " is not a valid object name");
}
String validate = MetaStoreUtils.validateTblColumns(tbl.getSd().getCols());
if (validate != null) {
throw new InvalidObjectException("Invalid column " + validate);
}
if (tbl.getPartitionKeys() != null) {
validate = MetaStoreUtils.validateTblColumns(tbl.getPartitionKeys());
if (validate != null) {
throw new InvalidObjectException("Invalid partition column " + validate);
}
}
SkewedInfo skew = tbl.getSd().getSkewedInfo();
if (skew != null) {
validate = MetaStoreUtils.validateSkewedColNames(skew.getSkewedColNames());
if (validate != null) {
throw new InvalidObjectException("Invalid skew column " + validate);
}
validate = MetaStoreUtils.validateSkewedColNamesSubsetCol(
skew.getSkewedColNames(), tbl.getSd().getCols());
if (validate != null) {
throw new InvalidObjectException("Invalid skew column " + validate);
}
}
Path tblPath = null;
boolean success = false, madeDir = false;
try {
firePreEvent(new PreCreateTableEvent(tbl, this));
ms.openTransaction();
Database db = ms.getDatabase(tbl.getDbName());
if (db == null) {
throw new NoSuchObjectException("The database " + tbl.getDbName() + " does not exist");
}
// get_table checks whether database exists, it should be moved here
if (is_table_exists(ms, tbl.getDbName(), tbl.getTableName())) {
throw new AlreadyExistsException("Table " + tbl.getTableName()
+ " already exists");
}
if (!TableType.VIRTUAL_VIEW.toString().equals(tbl.getTableType())) {
if (tbl.getSd().getLocation() == null
|| tbl.getSd().getLocation().isEmpty()) {
tblPath = wh.getTablePath(
ms.getDatabase(tbl.getDbName()), tbl.getTableName());
} else {
if (!isExternal(tbl) && !MetaStoreUtils.isNonNativeTable(tbl)) {
LOG.warn("Location: " + tbl.getSd().getLocation()
+ " specified for non-external table:" + tbl.getTableName());
}
tblPath = wh.getDnsPath(new Path(tbl.getSd().getLocation()));
}
tbl.getSd().setLocation(tblPath.toString());
}
if (tblPath != null) {
if (!wh.isDir(tblPath)) {
if (!wh.mkdirs(tblPath)) {
throw new MetaException(tblPath
+ " is not a directory or unable to create one");
}
madeDir = true;
}
}
if (HiveConf.getBoolVar(hiveConf, HiveConf.ConfVars.HIVESTATSAUTOGATHER) &&
!MetaStoreUtils.isView(tbl)) {
if (tbl.getPartitionKeysSize() == 0) { // Unpartitioned table
MetaStoreUtils.updateUnpartitionedTableStatsFast(db, tbl, wh, madeDir);
} else { // Partitioned table with no partitions.
MetaStoreUtils.updateUnpartitionedTableStatsFast(db, tbl, wh, true);
}
}
// set create time
long time = System.currentTimeMillis() / 1000;
tbl.setCreateTime((int) time);
if (tbl.getParameters() == null ||
tbl.getParameters().get(hive_metastoreConstants.DDL_TIME) == null) {
tbl.putToParameters(hive_metastoreConstants.DDL_TIME, Long.toString(time));
}
ms.createTable(tbl);
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
if (madeDir) {
wh.deleteDir(tblPath, true);
}
}
for (MetaStoreEventListener listener : listeners) {
CreateTableEvent createTableEvent =
new CreateTableEvent(tbl, success, this);
createTableEvent.setEnvironmentContext(envContext);
listener.onCreateTable(createTableEvent);
}
}
}
@Override
public void create_table(final Table tbl) throws AlreadyExistsException,
MetaException, InvalidObjectException {
create_table_with_environment_context(tbl, null);
}
@Override
public void create_table_with_environment_context(final Table tbl,
final EnvironmentContext envContext)
throws AlreadyExistsException, MetaException, InvalidObjectException {
startFunction("create_table", ": " + tbl.toString());
boolean success = false;
Exception ex = null;
try {
create_table_core(getMS(), tbl, envContext);
success = true;
} catch (NoSuchObjectException e) {
ex = e;
throw new InvalidObjectException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidObjectException) {
throw (InvalidObjectException) e;
} else if (e instanceof AlreadyExistsException) {
throw (AlreadyExistsException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("create_table", success, ex, tbl.getTableName());
}
}
private boolean is_table_exists(RawStore ms, String dbname, String name)
throws MetaException {
return (ms.getTable(dbname, name) != null);
}
private void drop_table_core(final RawStore ms, final String dbname, final String name,
final boolean deleteData, final EnvironmentContext envContext)
throws NoSuchObjectException, MetaException, IOException,
InvalidObjectException, InvalidInputException {
boolean success = false;
boolean isExternal = false;
Path tblPath = null;
List<Path> partPaths = null;
Table tbl = null;
isExternal = false;
boolean isIndexTable = false;
try {
ms.openTransaction();
// drop any partitions
tbl = get_table(dbname, name);
if (tbl == null) {
throw new NoSuchObjectException(name + " doesn't exist");
}
if (tbl.getSd() == null) {
throw new MetaException("Table metadata is corrupted");
}
firePreEvent(new PreDropTableEvent(tbl, deleteData, this));
isIndexTable = isIndexTable(tbl);
if (isIndexTable) {
throw new RuntimeException(
"The table " + name + " is an index table. Please do drop index instead.");
}
if (!isIndexTable) {
try {
List<Index> indexes = ms.getIndexes(dbname, name, Short.MAX_VALUE);
while (indexes != null && indexes.size() > 0) {
for (Index idx : indexes) {
this.drop_index_by_name(dbname, name, idx.getIndexName(), true);
}
indexes = ms.getIndexes(dbname, name, Short.MAX_VALUE);
}
} catch (TException e) {
throw new MetaException(e.getMessage());
}
}
isExternal = isExternal(tbl);
if (tbl.getSd().getLocation() != null) {
tblPath = new Path(tbl.getSd().getLocation());
if (!wh.isWritable(tblPath.getParent())) {
throw new MetaException("Table metadata not deleted since " +
tblPath.getParent() + " is not writable by " +
hiveConf.getUser());
}
}
// Drop the partitions and get a list of locations which need to be deleted
partPaths = dropPartitionsAndGetLocations(ms, dbname, name, tblPath,
tbl.getPartitionKeys(), deleteData && !isExternal);
if (!ms.dropTable(dbname, name)) {
throw new MetaException("Unable to drop table");
}
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
} else if (deleteData && !isExternal) {
// Delete the data in the partitions which have other locations
deletePartitionData(partPaths);
// Delete the data in the table
deleteTableData(tblPath);
// ok even if the data is not deleted
}
for (MetaStoreEventListener listener : listeners) {
DropTableEvent dropTableEvent = new DropTableEvent(tbl, success, deleteData, this);
dropTableEvent.setEnvironmentContext(envContext);
listener.onDropTable(dropTableEvent);
}
}
}
/**
* Deletes the data in a table's location, if it fails logs an error
*
* @param tablePath
*/
private void deleteTableData(Path tablePath) {
if (tablePath != null) {
try {
wh.deleteDir(tablePath, true);
} catch (Exception e) {
LOG.error("Failed to delete table directory: " + tablePath +
" " + e.getMessage());
}
}
}
/**
* Give a list of partitions' locations, tries to delete each one
* and for each that fails logs an error.
*
* @param partPaths
*/
private void deletePartitionData(List<Path> partPaths) {
if (partPaths != null && !partPaths.isEmpty()) {
for (Path partPath : partPaths) {
try {
wh.deleteDir(partPath, true);
} catch (Exception e) {
LOG.error("Failed to delete partition directory: " + partPath +
" " + e.getMessage());
}
}
}
}
/**
* Retrieves the partitions specified by partitionKeys. If checkLocation, for locations of
* partitions which may not be subdirectories of tablePath checks to make the locations are
* writable.
*
* Drops the metadata for each partition.
*
* Provides a list of locations of partitions which may not be subdirectories of tablePath.
*
* @param ms
* @param dbName
* @param tableName
* @param tablePath
* @param partitionKeys
* @param checkLocation
* @return
* @throws MetaException
* @throws IOException
* @throws InvalidInputException
* @throws InvalidObjectException
* @throws NoSuchObjectException
*/
private List<Path> dropPartitionsAndGetLocations(RawStore ms, String dbName,
String tableName, Path tablePath, List<FieldSchema> partitionKeys, boolean checkLocation)
throws MetaException, IOException, NoSuchObjectException, InvalidObjectException,
InvalidInputException {
int partitionBatchSize = HiveConf.getIntVar(hiveConf,
ConfVars.METASTORE_BATCH_RETRIEVE_MAX);
Path tableDnsPath = null;
if (tablePath != null) {
tableDnsPath = wh.getDnsPath(tablePath);
}
List<Path> partPaths = new ArrayList<Path>();
Table tbl = ms.getTable(dbName, tableName);
// call dropPartition on each of the table's partitions to follow the
// procedure for cleanly dropping partitions.
while (true) {
List<Partition> partsToDelete = ms.getPartitions(dbName, tableName, partitionBatchSize);
if (partsToDelete == null || partsToDelete.isEmpty()) {
break;
}
List<String> partNames = new ArrayList<String>();
for (Partition part : partsToDelete) {
if (checkLocation && part.getSd() != null &&
part.getSd().getLocation() != null) {
Path partPath = wh.getDnsPath(new Path(part.getSd().getLocation()));
if (tableDnsPath == null ||
(partPath != null && !isSubdirectory(tableDnsPath, partPath))) {
if (!wh.isWritable(partPath.getParent())) {
throw new MetaException("Table metadata not deleted since the partition " +
Warehouse.makePartName(partitionKeys, part.getValues()) +
" has parent location " + partPath.getParent() + " which is not writable " +
"by " + hiveConf.getUser());
}
partPaths.add(partPath);
}
}
partNames.add(Warehouse.makePartName(tbl.getPartitionKeys(), part.getValues()));
}
ms.dropPartitions(dbName, tableName, partNames);
}
return partPaths;
}
@Override
public void drop_table(final String dbname, final String name, final boolean deleteData)
throws NoSuchObjectException, MetaException {
drop_table_with_environment_context(dbname, name, deleteData, null);
}
@Override
public void drop_table_with_environment_context(final String dbname, final String name,
final boolean deleteData, final EnvironmentContext envContext)
throws NoSuchObjectException, MetaException {
startTableFunction("drop_table", dbname, name);
boolean success = false;
Exception ex = null;
try {
drop_table_core(getMS(), dbname, name, deleteData, envContext);
success = true;
} catch (IOException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof NoSuchObjectException) {
throw (NoSuchObjectException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("drop_table", success, ex, name);
}
}
/**
* Is this an external table?
*
* @param table
* Check if this table is external.
* @return True if the table is external, otherwise false.
*/
private boolean isExternal(Table table) {
return MetaStoreUtils.isExternalTable(table);
}
private boolean isIndexTable(Table table) {
return MetaStoreUtils.isIndexTable(table);
}
@Override
public Table get_table(final String dbname, final String name) throws MetaException,
NoSuchObjectException {
Table t = null;
startTableFunction("get_table", dbname, name);
Exception ex = null;
try {
t = getMS().getTable(dbname, name);
if (t == null) {
throw new NoSuchObjectException(dbname + "." + name
+ " table not found");
}
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof NoSuchObjectException) {
throw (NoSuchObjectException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_table", t != null, ex, name);
}
return t;
}
/**
* Gets multiple tables from the hive metastore.
*
* @param dbname
* The name of the database in which the tables reside
* @param names
* The names of the tables to get.
*
* @return A list of tables whose names are in the the list "names" and
* are retrievable from the database specified by "dbnames."
* There is no guarantee of the order of the returned tables.
* If there are duplicate names, only one instance of the table will be returned.
* @throws MetaException
* @throws InvalidOperationException
* @throws UnknownDBException
*/
@Override
public List<Table> get_table_objects_by_name(final String dbname, final List<String> names)
throws MetaException, InvalidOperationException, UnknownDBException {
List<Table> tables = null;
startMultiTableFunction("get_multi_table", dbname, names);
Exception ex = null;
try {
if (dbname == null || dbname.isEmpty()) {
throw new UnknownDBException("DB name is null or empty");
}
if (names == null)
{
throw new InvalidOperationException(dbname + " cannot find null tables");
}
tables = getMS().getTableObjectsByName(dbname, names);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidOperationException) {
throw (InvalidOperationException) e;
} else if (e instanceof UnknownDBException) {
throw (UnknownDBException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_multi_table", tables != null, ex, join(names, ","));
}
return tables;
}
@Override
public List<String> get_table_names_by_filter(
final String dbName, final String filter, final short maxTables)
throws MetaException, InvalidOperationException, UnknownDBException {
List<String> tables = null;
startFunction("get_table_names_by_filter", ": db = " + dbName + ", filter = " + filter);
Exception ex = null;
try {
if (dbName == null || dbName.isEmpty()) {
throw new UnknownDBException("DB name is null or empty");
}
if (filter == null) {
throw new InvalidOperationException(filter + " cannot apply null filter");
}
tables = getMS().listTableNamesByFilter(dbName, filter, maxTables);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidOperationException) {
throw (InvalidOperationException) e;
} else if (e instanceof UnknownDBException) {
throw (UnknownDBException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_table_names_by_filter", tables != null, ex, join(tables, ","));
}
return tables;
}
public boolean set_table_parameters(String dbname, String name,
Map<String, String> params) throws NoSuchObjectException, MetaException {
endFunction(startTableFunction("set_table_parameters", dbname, name), false, null, name);
// TODO Auto-generated method stub
return false;
}
private Partition append_partition_common(RawStore ms, String dbName, String tableName,
List<String> part_vals, EnvironmentContext envContext) throws InvalidObjectException,
AlreadyExistsException, MetaException {
Partition part = new Partition();
boolean success = false, madeDir = false;
Path partLocation = null;
Table tbl = null;
try {
ms.openTransaction();
part.setDbName(dbName);
part.setTableName(tableName);
part.setValues(part_vals);
MetaStoreUtils.validatePartitionNameCharacters(part_vals, partitionValidationPattern);
tbl = ms.getTable(part.getDbName(), part.getTableName());
if (tbl == null) {
throw new InvalidObjectException(
"Unable to add partition because table or database do not exist");
}
if (tbl.getSd().getLocation() == null) {
throw new MetaException(
"Cannot append a partition to a view");
}
firePreEvent(new PreAddPartitionEvent(tbl, part, this));
part.setSd(tbl.getSd());
partLocation = new Path(tbl.getSd().getLocation(), Warehouse
.makePartName(tbl.getPartitionKeys(), part_vals));
part.getSd().setLocation(partLocation.toString());
Partition old_part = null;
try {
old_part = ms.getPartition(part.getDbName(), part
.getTableName(), part.getValues());
} catch (NoSuchObjectException e) {
// this means there is no existing partition
old_part = null;
}
if (old_part != null) {
throw new AlreadyExistsException("Partition already exists:" + part);
}
if (!wh.isDir(partLocation)) {
if (!wh.mkdirs(partLocation)) {
throw new MetaException(partLocation
+ " is not a directory or unable to create one");
}
madeDir = true;
}
// set create time
long time = System.currentTimeMillis() / 1000;
part.setCreateTime((int) time);
part.putToParameters(hive_metastoreConstants.DDL_TIME, Long.toString(time));
if (HiveConf.getBoolVar(hiveConf, HiveConf.ConfVars.HIVESTATSAUTOGATHER) &&
!MetaStoreUtils.isView(tbl)) {
MetaStoreUtils.updatePartitionStatsFast(part, wh, madeDir);
}
success = ms.addPartition(part);
if (success) {
success = ms.commitTransaction();
}
} finally {
if (!success) {
ms.rollbackTransaction();
if (madeDir) {
wh.deleteDir(partLocation, true);
}
}
for (MetaStoreEventListener listener : listeners) {
AddPartitionEvent addPartitionEvent =
new AddPartitionEvent(tbl, part, success, this);
addPartitionEvent.setEnvironmentContext(envContext);
listener.onAddPartition(addPartitionEvent);
}
}
return part;
}
private void firePreEvent(PreEventContext event) throws MetaException {
for (MetaStorePreEventListener listener : preListeners) {
try {
listener.onEvent(event);
} catch (NoSuchObjectException e) {
throw new MetaException(e.getMessage());
} catch (InvalidOperationException e) {
throw new MetaException(e.getMessage());
}
}
}
@Override
public Partition append_partition(final String dbName, final String tableName,
final List<String> part_vals) throws InvalidObjectException,
AlreadyExistsException, MetaException {
return append_partition_with_environment_context(dbName, tableName, part_vals, null);
}
@Override
public Partition append_partition_with_environment_context(final String dbName,
final String tableName, final List<String> part_vals, final EnvironmentContext envContext)
throws InvalidObjectException, AlreadyExistsException, MetaException {
startPartitionFunction("append_partition", dbName, tableName, part_vals);
if (LOG.isDebugEnabled()) {
for (String part : part_vals) {
LOG.debug(part);
}
}
Partition ret = null;
Exception ex = null;
try {
ret = append_partition_common(getMS(), dbName, tableName, part_vals, envContext);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidObjectException) {
throw (InvalidObjectException) e;
} else if (e instanceof AlreadyExistsException) {
throw (AlreadyExistsException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("append_partition", ret != null, ex, tableName);
}
return ret;
}
private static class PartValEqWrapper {
Partition partition;
public PartValEqWrapper(Partition partition) {
this.partition = partition;
}
@Override
public int hashCode() {
return partition.isSetValues() ? partition.getValues().hashCode() : 0;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null || !(obj instanceof PartValEqWrapper)) return false;
Partition p1 = this.partition, p2 = ((PartValEqWrapper)obj).partition;
if (!p1.isSetValues() || !p2.isSetValues()) return p1.isSetValues() == p2.isSetValues();
if (p1.getValues().size() != p2.getValues().size()) return false;
for (int i = 0; i < p1.getValues().size(); ++i) {
String v1 = p1.getValues().get(i), v2 = p2.getValues().get(i);
if ((v1 == null && v2 != null) || !v1.equals(v2)) return false;
}
return true;
}
}
private List<Partition> add_partitions_core(
RawStore ms, String dbName, String tblName, List<Partition> parts, boolean ifNotExists)
throws MetaException, InvalidObjectException, AlreadyExistsException, TException {
logInfo("add_partitions");
boolean success = false;
// Ensures that the list doesn't have dups, and keeps track of directories we have created.
Map<PartValEqWrapper, Boolean> addedPartitions = new HashMap<PartValEqWrapper, Boolean>();
List<Partition> result = new ArrayList<Partition>();
List<Partition> existingParts = null;
Table tbl = null;
try {
ms.openTransaction();
tbl = ms.getTable(dbName, tblName);
if (tbl == null) {
throw new InvalidObjectException("Unable to add partitions because "
+ "database or table " + dbName + "." + tblName + " does not exist");
}
if (!parts.isEmpty()) {
firePreEvent(new PreAddPartitionEvent(tbl, parts, this));
}
for (Partition part : parts) {
if (!part.getTableName().equals(tblName) || !part.getDbName().equals(dbName)) {
throw new MetaException("Partition does not belong to target table "
+ dbName + "." + tblName + ": " + part);
}
boolean shouldAdd = startAddPartition(ms, part, ifNotExists);
if (!shouldAdd) {
if (existingParts == null) {
existingParts = new ArrayList<Partition>();
}
existingParts.add(part);
LOG.info("Not adding partition " + part + " as it already exists");
continue;
}
boolean madeDir = createLocationForAddedPartition(tbl, part);
if (addedPartitions.put(new PartValEqWrapper(part), madeDir) != null) {
// Technically, for ifNotExists case, we could insert one and discard the other
// because the first one now "exists", but it seems better to report the problem
// upstream as such a command doesn't make sense.
throw new MetaException("Duplicate partitions in the list: " + part);
}
initializeAddedPartition(tbl, part, madeDir);
result.add(part);
}
if (!result.isEmpty()) {
success = ms.addPartitions(dbName, tblName, result);
} else {
success = true;
}
success = success && ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
for (Entry<PartValEqWrapper, Boolean> e : addedPartitions.entrySet()) {
if (e.getValue()) {
wh.deleteDir(new Path(e.getKey().partition.getSd().getLocation()), true);
// we just created this directory - it's not a case of pre-creation, so we nuke
}
}
fireMetaStoreAddPartitionEvent(tbl, parts, null, false);
} else {
fireMetaStoreAddPartitionEvent(tbl, result, null, true);
if (existingParts != null) {
// The request has succeeded but we failed to add these partitions.
fireMetaStoreAddPartitionEvent(tbl, existingParts, null, false);
}
}
}
return result;
}
@Override
public AddPartitionsResult add_partitions_req(AddPartitionsRequest request)
throws InvalidObjectException, AlreadyExistsException, MetaException, TException {
AddPartitionsResult result = new AddPartitionsResult();
if (request.getParts().isEmpty()) {
return result;
}
try {
List<Partition> parts = add_partitions_core(getMS(), request.getDbName(),
request.getTblName(), request.getParts(), request.isIfNotExists());
if (request.isNeedResult()) {
result.setPartitions(parts);
}
} catch (TException te) {
throw te;
} catch (Exception e) {
throw newMetaException(e);
}
return result;
}
@Override
public int add_partitions(final List<Partition> parts) throws MetaException,
InvalidObjectException, AlreadyExistsException {
startFunction("add_partition");
if (parts.size() == 0) {
return 0;
}
Integer ret = null;
Exception ex = null;
try {
// Old API assumed all partitions belong to the same table; keep the same assumption
ret = add_partitions_core(getMS(), parts.get(0).getDbName(),
parts.get(0).getTableName(), parts, false).size();
assert ret == parts.size();
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidObjectException) {
throw (InvalidObjectException) e;
} else if (e instanceof AlreadyExistsException) {
throw (AlreadyExistsException) e;
} else {
throw newMetaException(e);
}
} finally {
String tableName = parts.get(0).getTableName();
endFunction("add_partition", ret != null, ex, tableName);
}
return ret;
}
private boolean startAddPartition(
RawStore ms, Partition part, boolean ifNotExists) throws MetaException, TException {
MetaStoreUtils.validatePartitionNameCharacters(part.getValues(),
partitionValidationPattern);
boolean doesExist = ms.doesPartitionExist(
part.getDbName(), part.getTableName(), part.getValues());
if (doesExist && !ifNotExists) {
throw new AlreadyExistsException("Partition already exists: " + part);
}
return !doesExist;
}
/**
* Handles the location for a partition being created.
* @param tbl Table.
* @param part Partition.
* @return Whether the partition SD location is set to a newly created directory.
*/
private boolean createLocationForAddedPartition(
final Table tbl, final Partition part) throws MetaException {
Path partLocation = null;
String partLocationStr = null;
if (part.getSd() != null) {
partLocationStr = part.getSd().getLocation();
}
if (partLocationStr == null || partLocationStr.isEmpty()) {
// set default location if not specified and this is
// a physical table partition (not a view)
if (tbl.getSd().getLocation() != null) {
partLocation = new Path(tbl.getSd().getLocation(), Warehouse
.makePartName(tbl.getPartitionKeys(), part.getValues()));
}
} else {
if (tbl.getSd().getLocation() == null) {
throw new MetaException("Cannot specify location for a view partition");
}
partLocation = wh.getDnsPath(new Path(partLocationStr));
}
boolean result = false;
if (partLocation != null) {
part.getSd().setLocation(partLocation.toString());
// Check to see if the directory already exists before calling
// mkdirs() because if the file system is read-only, mkdirs will
// throw an exception even if the directory already exists.
if (!wh.isDir(partLocation)) {
if (!wh.mkdirs(partLocation)) {
throw new MetaException(partLocation
+ " is not a directory or unable to create one");
}
result = true;
}
}
return result;
}
private void initializeAddedPartition(
final Table tbl, final Partition part, boolean madeDir) throws MetaException {
if (HiveConf.getBoolVar(hiveConf, HiveConf.ConfVars.HIVESTATSAUTOGATHER) &&
!MetaStoreUtils.isView(tbl)) {
MetaStoreUtils.updatePartitionStatsFast(part, wh, madeDir);
}
// set create time
long time = System.currentTimeMillis() / 1000;
part.setCreateTime((int) time);
if (part.getParameters() == null ||
part.getParameters().get(hive_metastoreConstants.DDL_TIME) == null) {
part.putToParameters(hive_metastoreConstants.DDL_TIME, Long.toString(time));
}
// Inherit table properties into partition properties.
Map<String, String> tblParams = tbl.getParameters();
String inheritProps = hiveConf.getVar(ConfVars.METASTORE_PART_INHERIT_TBL_PROPS).trim();
// Default value is empty string in which case no properties will be inherited.
// * implies all properties needs to be inherited
Set<String> inheritKeys = new HashSet<String>(Arrays.asList(inheritProps.split(",")));
if (inheritKeys.contains("*")) {
inheritKeys = tblParams.keySet();
}
for (String key : inheritKeys) {
String paramVal = tblParams.get(key);
if (null != paramVal) { // add the property only if it exists in table properties
part.putToParameters(key, paramVal);
}
}
}
private Partition add_partition_core(final RawStore ms,
final Partition part, final EnvironmentContext envContext)
throws InvalidObjectException, AlreadyExistsException, MetaException, TException {
boolean success = false;
Table tbl = null;
try {
ms.openTransaction();
tbl = ms.getTable(part.getDbName(), part.getTableName());
if (tbl == null) {
throw new InvalidObjectException(
"Unable to add partition because table or database do not exist");
}
firePreEvent(new PreAddPartitionEvent(tbl, part, this));
boolean shouldAdd = startAddPartition(ms, part, false);
assert shouldAdd; // start would throw if it already existed here
boolean madeDir = createLocationForAddedPartition(tbl, part);
try {
initializeAddedPartition(tbl, part, madeDir);
success = ms.addPartition(part);
} finally {
if (!success && madeDir) {
wh.deleteDir(new Path(part.getSd().getLocation()), true);
}
}
// we proceed only if we'd actually succeeded anyway, otherwise,
// we'd have thrown an exception
success = success && ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
}
fireMetaStoreAddPartitionEvent(tbl, Arrays.asList(part), envContext, success);
}
return part;
}
private void fireMetaStoreAddPartitionEvent(final Table tbl,
final List<Partition> parts, final EnvironmentContext envContext, boolean success)
throws MetaException {
if (tbl != null && parts != null && !parts.isEmpty()) {
AddPartitionEvent addPartitionEvent =
new AddPartitionEvent(tbl, parts, success, this);
addPartitionEvent.setEnvironmentContext(envContext);
for (MetaStoreEventListener listener : listeners) {
listener.onAddPartition(addPartitionEvent);
}
}
}
@Override
public Partition add_partition(final Partition part)
throws InvalidObjectException, AlreadyExistsException, MetaException {
return add_partition_with_environment_context(part, null);
}
@Override
public Partition add_partition_with_environment_context(
final Partition part, EnvironmentContext envContext)
throws InvalidObjectException, AlreadyExistsException,
MetaException {
startTableFunction("add_partition",
part.getDbName(), part.getTableName());
Partition ret = null;
Exception ex = null;
try {
ret = add_partition_core(getMS(), part, envContext);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidObjectException) {
throw (InvalidObjectException) e;
} else if (e instanceof AlreadyExistsException) {
throw (AlreadyExistsException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("add_partition", ret != null, ex, part != null ? part.getTableName(): null);
}
return ret;
}
@Override
public Partition exchange_partition(Map<String, String> partitionSpecs,
String sourceDbName, String sourceTableName, String destDbName,
String destTableName) throws MetaException, NoSuchObjectException,
InvalidObjectException, InvalidInputException, TException {
boolean success = false;
boolean pathCreated = false;
RawStore ms = getMS();
ms.openTransaction();
Table destinationTable = ms.getTable(destDbName, destTableName);
Table sourceTable = ms.getTable(sourceDbName, sourceTableName);
List<String> partVals = MetaStoreUtils.getPvals(sourceTable.getPartitionKeys(),
partitionSpecs);
List<String> partValsPresent = new ArrayList<String> ();
List<FieldSchema> partitionKeysPresent = new ArrayList<FieldSchema> ();
int i = 0;
for (FieldSchema fs: sourceTable.getPartitionKeys()) {
String partVal = partVals.get(i);
if (partVal != null && !partVal.equals("")) {
partValsPresent.add(partVal);
partitionKeysPresent.add(fs);
}
i++;
}
List<Partition> partitionsToExchange = get_partitions_ps(sourceDbName, sourceTableName,
partVals, (short)-1);
boolean sameColumns = MetaStoreUtils.compareFieldColumns(
sourceTable.getSd().getCols(), destinationTable.getSd().getCols());
boolean samePartitions = MetaStoreUtils.compareFieldColumns(
sourceTable.getPartitionKeys(), destinationTable.getPartitionKeys());
if (!sameColumns || !samePartitions) {
throw new MetaException("The tables have different schemas." +
" Their partitions cannot be exchanged.");
}
Path sourcePath = new Path(sourceTable.getSd().getLocation(),
Warehouse.makePartName(partitionKeysPresent, partValsPresent));
Path destPath = new Path(destinationTable.getSd().getLocation(),
Warehouse.makePartName(partitionKeysPresent, partValsPresent));
try {
for (Partition partition: partitionsToExchange) {
Partition destPartition = new Partition(partition);
destPartition.setDbName(destDbName);
destPartition.setTableName(destinationTable.getTableName());
Path destPartitionPath = new Path(destinationTable.getSd().getLocation(),
Warehouse.makePartName(destinationTable.getPartitionKeys(), partition.getValues()));
destPartition.getSd().setLocation(destPartitionPath.toString());
ms.addPartition(destPartition);
ms.dropPartition(partition.getDbName(), sourceTable.getTableName(),
partition.getValues());
}
/**
* TODO: Use the hard link feature of hdfs
* once https://issues.apache.org/jira/browse/HDFS-3370 is done
*/
pathCreated = wh.renameDir(sourcePath, destPath);
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
if (pathCreated) {
wh.renameDir(destPath, sourcePath);
}
}
}
return new Partition();
}
private boolean drop_partition_common(RawStore ms, String db_name, String tbl_name,
List<String> part_vals, final boolean deleteData, final EnvironmentContext envContext)
throws MetaException, NoSuchObjectException, IOException, InvalidObjectException,
InvalidInputException {
boolean success = false;
Path partPath = null;
Table tbl = null;
Partition part = null;
boolean isArchived = false;
Path archiveParentDir = null;
try {
ms.openTransaction();
part = ms.getPartition(db_name, tbl_name, part_vals);
tbl = get_table(db_name, tbl_name);
firePreEvent(new PreDropPartitionEvent(tbl, part, deleteData, this));
if (part == null) {
throw new NoSuchObjectException("Partition doesn't exist. "
+ part_vals);
}
isArchived = MetaStoreUtils.isArchived(part);
if (isArchived) {
archiveParentDir = MetaStoreUtils.getOriginalLocation(part);
verifyIsWritablePath(archiveParentDir);
}
if (!ms.dropPartition(db_name, tbl_name, part_vals)) {
throw new MetaException("Unable to drop partition");
}
success = ms.commitTransaction();
if ((part.getSd() != null) && (part.getSd().getLocation() != null)) {
partPath = new Path(part.getSd().getLocation());
verifyIsWritablePath(partPath);
}
} finally {
if (!success) {
ms.rollbackTransaction();
} else if (deleteData && ((partPath != null) || (archiveParentDir != null))) {
if (tbl != null && !isExternal(tbl)) {
// Archived partitions have har:/to_har_file as their location.
// The original directory was saved in params
if (isArchived) {
assert (archiveParentDir != null);
wh.deleteDir(archiveParentDir, true);
} else {
assert (partPath != null);
wh.deleteDir(partPath, true);
deleteParentRecursive(partPath.getParent(), part_vals.size() - 1);
}
// ok even if the data is not deleted
}
}
for (MetaStoreEventListener listener : listeners) {
DropPartitionEvent dropPartitionEvent =
new DropPartitionEvent(tbl, part, success, deleteData, this);
dropPartitionEvent.setEnvironmentContext(envContext);
listener.onDropPartition(dropPartitionEvent);
}
}
return true;
}
private void deleteParentRecursive(Path parent, int depth) throws IOException, MetaException {
if (depth > 0 && parent != null && wh.isWritable(parent) && wh.isEmpty(parent)) {
wh.deleteDir(parent, true);
deleteParentRecursive(parent.getParent(), depth - 1);
}
}
@Override
public boolean drop_partition(final String db_name, final String tbl_name,
final List<String> part_vals, final boolean deleteData)
throws NoSuchObjectException, MetaException, TException {
return drop_partition_with_environment_context(db_name, tbl_name, part_vals, deleteData,
null);
}
private static class PathAndPartValSize {
public PathAndPartValSize(Path path, int partValSize) {
this.path = path;
this.partValSize = partValSize;
}
public Path path;
public int partValSize;
}
@Override
public DropPartitionsResult drop_partitions_req(
DropPartitionsRequest request) throws MetaException, NoSuchObjectException, TException {
RawStore ms = getMS();
String dbName = request.getDbName(), tblName = request.getTblName();
boolean ifExists = request.isSetIfExists() && request.isIfExists();
boolean deleteData = request.isSetDeleteData() && request.isDeleteData();
boolean ignoreProtection = request.isSetIgnoreProtection() && request.isIgnoreProtection();
boolean needResult = !request.isSetNeedResult() || request.isNeedResult();
List<PathAndPartValSize> dirsToDelete = new ArrayList<PathAndPartValSize>();
List<Path> archToDelete = new ArrayList<Path>();
EnvironmentContext envContext = request.isSetEnvironmentContext()
? request.getEnvironmentContext() : null;
boolean success = false;
ms.openTransaction();
Table tbl = null;
List<Partition> parts = null;
try {
// We need Partition-s for firing events and for result; DN needs MPartition-s to drop.
// Great... Maybe we could bypass fetching MPartitions by issuing direct SQL deletes.
tbl = get_table(dbName, tblName);
int minCount = 0;
RequestPartsSpec spec = request.getParts();
List<String> partNames = null;
if (spec.isSetExprs()) {
// Dropping by expressions.
parts = new ArrayList<Partition>(spec.getExprs().size());
for (DropPartitionsExpr expr : spec.getExprs()) {
++minCount; // At least one partition per expression, if not ifExists
List<Partition> result = new ArrayList<Partition>();
boolean hasUnknown = ms.getPartitionsByExpr(
dbName, tblName, expr.getExpr(), null, (short)-1, result);
if (hasUnknown) {
// Expr is built by DDLSA, it should only contain part cols and simple ops
throw new MetaException("Unexpected unknown partitions to drop");
}
// this is to prevent dropping archived partition which is archived in a
// different level the drop command specified.
if (!ignoreProtection && expr.isSetPartArchiveLevel()) {
for (Partition part : parts) {
if (MetaStoreUtils.isArchived(part)
&& MetaStoreUtils.getArchivingLevel(part) < expr.getPartArchiveLevel()) {
throw new MetaException("Cannot drop a subset of partitions "
+ " in an archive, partition " + part);
}
}
}
parts.addAll(result);
}
} else if (spec.isSetNames()) {
partNames = spec.getNames();
minCount = partNames.size();
parts = ms.getPartitionsByNames(dbName, tblName, partNames);
} else {
throw new MetaException("Partition spec is not set");
}
if ((parts.size() < minCount) && !ifExists) {
throw new NoSuchObjectException("Some partitions to drop are missing");
}
List<String> colNames = null;
if (partNames == null) {
partNames = new ArrayList<String>(parts.size());
colNames = new ArrayList<String>(tbl.getPartitionKeys().size());
for (FieldSchema col : tbl.getPartitionKeys()) {
colNames.add(col.getName());
}
}
for (Partition part : parts) {
if (!ignoreProtection && !MetaStoreUtils.canDropPartition(tbl, part)) {
throw new MetaException("Table " + tbl.getTableName()
+ " Partition " + part + " is protected from being dropped");
}
firePreEvent(new PreDropPartitionEvent(tbl, part, deleteData, this));
if (colNames != null) {
partNames.add(FileUtils.makePartName(colNames, part.getValues()));
}
// Preserve the old behavior of failing when we cannot write, even w/o deleteData,
// and even if the table is external. That might not make any sense.
if (MetaStoreUtils.isArchived(part)) {
Path archiveParentDir = MetaStoreUtils.getOriginalLocation(part);
verifyIsWritablePath(archiveParentDir);
archToDelete.add(archiveParentDir);
}
if ((part.getSd() != null) && (part.getSd().getLocation() != null)) {
Path partPath = new Path(part.getSd().getLocation());
verifyIsWritablePath(partPath);
dirsToDelete.add(new PathAndPartValSize(partPath, part.getValues().size()));
}
}
ms.dropPartitions(dbName, tblName, partNames);
success = ms.commitTransaction();
DropPartitionsResult result = new DropPartitionsResult();
if (needResult) {
result.setPartitions(parts);
}
return result;
} finally {
if (!success) {
ms.rollbackTransaction();
} else if (deleteData && !isExternal(tbl)) {
// Archived partitions have har:/to_har_file as their location.
// The original directory was saved in params
for (Path path : archToDelete) {
wh.deleteDir(path, true);
}
for (PathAndPartValSize p : dirsToDelete) {
wh.deleteDir(p.path, true);
try {
deleteParentRecursive(p.path.getParent(), p.partValSize - 1);
} catch (IOException ex) {
LOG.warn("Error from deleteParentRecursive", ex);
throw new MetaException("Failed to delete parent: " + ex.getMessage());
}
}
}
if (parts != null) {
for (Partition part : parts) {
for (MetaStoreEventListener listener : listeners) {
DropPartitionEvent dropPartitionEvent =
new DropPartitionEvent(tbl, part, success, deleteData, this);
dropPartitionEvent.setEnvironmentContext(envContext);
listener.onDropPartition(dropPartitionEvent);
}
}
}
}
}
private void verifyIsWritablePath(Path dir) throws MetaException {
try {
if (!wh.isWritable(dir.getParent())) {
throw new MetaException("Table partition not deleted since " + dir.getParent()
+ " is not writable by " + hiveConf.getUser());
}
} catch (IOException ex) {
LOG.warn("Error from isWritable", ex);
throw new MetaException("Table partition not deleted since " + dir.getParent()
+ " access cannot be checked: " + ex.getMessage());
}
}
@Override
public boolean drop_partition_with_environment_context(final String db_name,
final String tbl_name, final List<String> part_vals, final boolean deleteData,
final EnvironmentContext envContext)
throws NoSuchObjectException, MetaException, TException {
startPartitionFunction("drop_partition", db_name, tbl_name, part_vals);
LOG.info("Partition values:" + part_vals);
boolean ret = false;
Exception ex = null;
try {
ret = drop_partition_common(getMS(), db_name, tbl_name, part_vals, deleteData, envContext);
} catch (IOException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("drop_partition", ret, ex, tbl_name);
}
return ret;
}
@Override
public Partition get_partition(final String db_name, final String tbl_name,
final List<String> part_vals) throws MetaException, NoSuchObjectException {
startPartitionFunction("get_partition", db_name, tbl_name, part_vals);
Partition ret = null;
Exception ex = null;
try {
ret = getMS().getPartition(db_name, tbl_name, part_vals);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof NoSuchObjectException) {
throw (NoSuchObjectException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_partition", ret != null, ex, tbl_name);
}
return ret;
}
@Override
public Partition get_partition_with_auth(final String db_name,
final String tbl_name, final List<String> part_vals,
final String user_name, final List<String> group_names)
throws MetaException, NoSuchObjectException, TException {
startPartitionFunction("get_partition_with_auth", db_name, tbl_name,
part_vals);
Partition ret = null;
Exception ex = null;
try {
ret = getMS().getPartitionWithAuth(db_name, tbl_name, part_vals,
user_name, group_names);
} catch (InvalidObjectException e) {
ex = e;
throw new NoSuchObjectException(e.getMessage());
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_partition_with_auth", ret != null, ex, tbl_name);
}
return ret;
}
@Override
public List<Partition> get_partitions(final String db_name, final String tbl_name,
final short max_parts) throws NoSuchObjectException, MetaException {
startTableFunction("get_partitions", db_name, tbl_name);
List<Partition> ret = null;
Exception ex = null;
try {
ret = getMS().getPartitions(db_name, tbl_name, max_parts);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof NoSuchObjectException) {
throw (NoSuchObjectException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_partitions", ret != null, ex, tbl_name);
}
return ret;
}
@Override
public List<Partition> get_partitions_with_auth(final String dbName,
final String tblName, final short maxParts, final String userName,
final List<String> groupNames) throws NoSuchObjectException,
MetaException, TException {
startTableFunction("get_partitions_with_auth", dbName, tblName);
List<Partition> ret = null;
Exception ex = null;
try {
ret = getMS().getPartitionsWithAuth(dbName, tblName, maxParts,
userName, groupNames);
} catch (InvalidObjectException e) {
ex = e;
throw new NoSuchObjectException(e.getMessage());
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_partitions_with_auth", ret != null, ex, tblName);
}
return ret;
}
@Override
public List<String> get_partition_names(final String db_name, final String tbl_name,
final short max_parts) throws MetaException {
startTableFunction("get_partition_names", db_name, tbl_name);
List<String> ret = null;
Exception ex = null;
try {
ret = getMS().listPartitionNames(db_name, tbl_name, max_parts);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_partition_names", ret != null, ex, tbl_name);
}
return ret;
}
@Override
public void alter_partition(final String db_name, final String tbl_name,
final Partition new_part)
throws InvalidOperationException, MetaException,
TException {
rename_partition(db_name, tbl_name, null, new_part);
}
@Override
public void alter_partition_with_environment_context(final String dbName,
final String tableName, final Partition newPartition,
final EnvironmentContext envContext)
throws InvalidOperationException, MetaException, TException {
rename_partition(dbName, tableName, null,
newPartition, envContext);
}
@Override
public void rename_partition(final String db_name, final String tbl_name,
final List<String> part_vals, final Partition new_part)
throws InvalidOperationException, MetaException, TException {
// Call rename_partition without an environment context.
rename_partition(db_name, tbl_name, part_vals, new_part, null);
}
private void rename_partition(final String db_name, final String tbl_name,
final List<String> part_vals, final Partition new_part,
final EnvironmentContext envContext)
throws InvalidOperationException, MetaException,
TException {
startTableFunction("alter_partition", db_name, tbl_name);
if (LOG.isInfoEnabled()) {
LOG.info("New partition values:" + new_part.getValues());
if (part_vals != null && part_vals.size() > 0) {
LOG.info("Old Partition values:" + part_vals);
}
}
Partition oldPart = null;
Exception ex = null;
try {
firePreEvent(new PreAlterPartitionEvent(db_name, tbl_name, part_vals, new_part, this));
if (part_vals != null && !part_vals.isEmpty()) {
MetaStoreUtils.validatePartitionNameCharacters(new_part.getValues(),
partitionValidationPattern);
}
oldPart = alterHandler.alterPartition(getMS(), wh, db_name, tbl_name, part_vals, new_part);
for (MetaStoreEventListener listener : listeners) {
AlterPartitionEvent alterPartitionEvent =
new AlterPartitionEvent(oldPart, new_part, true, this);
alterPartitionEvent.setEnvironmentContext(envContext);
listener.onAlterPartition(alterPartitionEvent);
}
} catch (InvalidObjectException e) {
ex = e;
throw new InvalidOperationException(e.getMessage());
} catch (AlreadyExistsException e) {
ex = e;
throw new InvalidOperationException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidOperationException) {
throw (InvalidOperationException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("alter_partition", oldPart != null, ex, tbl_name);
}
return;
}
@Override
public void alter_partitions(final String db_name, final String tbl_name,
final List<Partition> new_parts)
throws InvalidOperationException, MetaException,
TException {
startTableFunction("alter_partitions", db_name, tbl_name);
if (LOG.isInfoEnabled()) {
for (Partition tmpPart : new_parts) {
LOG.info("New partition values:" + tmpPart.getValues());
}
}
// all partitions are altered atomically
// all prehooks are fired together followed by all post hooks
List<Partition> oldParts = null;
Exception ex = null;
try {
for (Partition tmpPart : new_parts) {
try {
for (MetaStorePreEventListener listener : preListeners) {
listener.onEvent(
new PreAlterPartitionEvent(db_name, tbl_name, null, tmpPart, this));
}
} catch (NoSuchObjectException e) {
throw new MetaException(e.getMessage());
}
}
oldParts = alterHandler.alterPartitions(getMS(), wh, db_name, tbl_name, new_parts);
Iterator<Partition> olditr = oldParts.iterator();
for (Partition tmpPart : new_parts) {
Partition oldTmpPart = null;
if (olditr.hasNext()) {
oldTmpPart = olditr.next();
}
else {
throw new InvalidOperationException("failed to alterpartitions");
}
for (MetaStoreEventListener listener : listeners) {
AlterPartitionEvent alterPartitionEvent =
new AlterPartitionEvent(oldTmpPart, tmpPart, true, this);
listener.onAlterPartition(alterPartitionEvent);
}
}
} catch (InvalidObjectException e) {
ex = e;
throw new InvalidOperationException(e.getMessage());
} catch (AlreadyExistsException e) {
ex = e;
throw new InvalidOperationException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidOperationException) {
throw (InvalidOperationException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("alter_partition", oldParts != null, ex, tbl_name);
}
return;
}
public boolean create_index(Index index_def)
throws IndexAlreadyExistsException, MetaException {
endFunction(startFunction("create_index"), false, null);
// TODO Auto-generated method stub
throw new MetaException("Not yet implemented");
}
@Override
public void alter_index(final String dbname, final String base_table_name,
final String index_name, final Index newIndex)
throws InvalidOperationException, MetaException {
startFunction("alter_index", ": db=" + dbname + " base_tbl=" + base_table_name
+ " idx=" + index_name + " newidx=" + newIndex.getIndexName());
newIndex.putToParameters(hive_metastoreConstants.DDL_TIME, Long.toString(System
.currentTimeMillis() / 1000));
boolean success = false;
Exception ex = null;
try {
getMS().alterIndex(dbname, base_table_name, index_name, newIndex);
success = true;
} catch (InvalidObjectException e) {
ex = e;
throw new InvalidOperationException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidOperationException) {
throw (InvalidOperationException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("alter_index", success, ex, base_table_name);
}
return;
}
@Override
public String getVersion() throws TException {
endFunction(startFunction("getVersion"), true, null);
return "3.0";
}
@Override
public void alter_table(final String dbname, final String name,
final Table newTable)
throws InvalidOperationException, MetaException {
// Do not set an environment context.
alter_table_with_environment_context(dbname, name, newTable, null);
}
@Override
public void alter_table_with_environment_context(final String dbname,
final String name, final Table newTable,
final EnvironmentContext envContext)
throws InvalidOperationException, MetaException {
startFunction("alter_table", ": db=" + dbname + " tbl=" + name
+ " newtbl=" + newTable.getTableName());
// Update the time if it hasn't been specified.
if (newTable.getParameters() == null ||
newTable.getParameters().get(hive_metastoreConstants.DDL_TIME) == null) {
newTable.putToParameters(hive_metastoreConstants.DDL_TIME, Long.toString(System
.currentTimeMillis() / 1000));
}
boolean success = false;
Exception ex = null;
try {
Table oldt = get_table(dbname, name);
firePreEvent(new PreAlterTableEvent(oldt, newTable, this));
alterHandler.alterTable(getMS(), wh, dbname, name, newTable);
success = true;
for (MetaStoreEventListener listener : listeners) {
AlterTableEvent alterTableEvent =
new AlterTableEvent(oldt, newTable, success, this);
alterTableEvent.setEnvironmentContext(envContext);
listener.onAlterTable(alterTableEvent);
}
} catch (NoSuchObjectException e) {
// thrown when the table to be altered does not exist
ex = e;
throw new InvalidOperationException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof InvalidOperationException) {
throw (InvalidOperationException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("alter_table", success, ex, name);
}
}
@Override
public List<String> get_tables(final String dbname, final String pattern)
throws MetaException {
startFunction("get_tables", ": db=" + dbname + " pat=" + pattern);
List<String> ret = null;
Exception ex = null;
try {
ret = getMS().getTables(dbname, pattern);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_tables", ret != null, ex);
}
return ret;
}
@Override
public List<String> get_all_tables(final String dbname) throws MetaException {
startFunction("get_all_tables", ": db=" + dbname);
List<String> ret = null;
Exception ex = null;
try {
ret = getMS().getAllTables(dbname);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_all_tables", ret != null, ex);
}
return ret;
}
@Override
public List<FieldSchema> get_fields(String db, String tableName)
throws MetaException, UnknownTableException, UnknownDBException {
startFunction("get_fields", ": db=" + db + "tbl=" + tableName);
String[] names = tableName.split("\\.");
String base_table_name = names[0];
Table tbl;
List<FieldSchema> ret = null;
Exception ex = null;
try {
try {
tbl = get_table(db, base_table_name);
} catch (NoSuchObjectException e) {
throw new UnknownTableException(e.getMessage());
}
if (null == tbl.getSd().getSerdeInfo().getSerializationLib() ||
hiveConf.getStringCollection(ConfVars.SERDESUSINGMETASTOREFORSCHEMA.varname).contains
(tbl.getSd().getSerdeInfo().getSerializationLib())) {
ret = tbl.getSd().getCols();
} else {
try {
Deserializer s = MetaStoreUtils.getDeserializer(hiveConf, tbl);
ret = MetaStoreUtils.getFieldsFromDeserializer(tableName, s);
} catch (SerDeException e) {
StringUtils.stringifyException(e);
throw new MetaException(e.getMessage());
}
}
} catch (Exception e) {
ex = e;
if (e instanceof UnknownDBException) {
throw (UnknownDBException) e;
} else if (e instanceof UnknownTableException) {
throw (UnknownTableException) e;
} else if (e instanceof MetaException) {
throw (MetaException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_fields", ret != null, ex, tableName);
}
return ret;
}
/**
* Return the schema of the table. This function includes partition columns
* in addition to the regular columns.
*
* @param db
* Name of the database
* @param tableName
* Name of the table
* @return List of columns, each column is a FieldSchema structure
* @throws MetaException
* @throws UnknownTableException
* @throws UnknownDBException
*/
@Override
public List<FieldSchema> get_schema(String db, String tableName)
throws MetaException, UnknownTableException, UnknownDBException {
startFunction("get_schema", ": db=" + db + "tbl=" + tableName);
boolean success = false;
Exception ex = null;
try {
String[] names = tableName.split("\\.");
String base_table_name = names[0];
Table tbl;
try {
tbl = get_table(db, base_table_name);
} catch (NoSuchObjectException e) {
throw new UnknownTableException(e.getMessage());
}
List<FieldSchema> fieldSchemas = get_fields(db, base_table_name);
if (tbl == null || fieldSchemas == null) {
throw new UnknownTableException(tableName + " doesn't exist");
}
if (tbl.getPartitionKeys() != null) {
// Combine the column field schemas and the partition keys to create the
// whole schema
fieldSchemas.addAll(tbl.getPartitionKeys());
}
success = true;
return fieldSchemas;
} catch (Exception e) {
ex = e;
if (e instanceof UnknownDBException) {
throw (UnknownDBException) e;
} else if (e instanceof UnknownTableException) {
throw (UnknownTableException) e;
} else if (e instanceof MetaException) {
throw (MetaException) e;
} else {
MetaException me = new MetaException(e.toString());
me.initCause(e);
throw me;
}
} finally {
endFunction("get_schema", success, ex, tableName);
}
}
@Override
public String getCpuProfile(int profileDurationInSec) throws TException {
return "";
}
/**
* Returns the value of the given configuration variable name. If the
* configuration variable with the given name doesn't exist, or if there
* were an exception thrown while retrieving the variable, or if name is
* null, defaultValue is returned.
*/
@Override
public String get_config_value(String name, String defaultValue)
throws TException, ConfigValSecurityException {
startFunction("get_config_value", ": name=" + name + " defaultValue="
+ defaultValue);
boolean success = false;
Exception ex = null;
try {
if (name == null) {
success = true;
return defaultValue;
}
// Allow only keys that start with hive.*, hdfs.*, mapred.* for security
// i.e. don't allow access to db password
if (!Pattern.matches("(hive|hdfs|mapred).*", name)) {
throw new ConfigValSecurityException("For security reasons, the "
+ "config key " + name + " cannot be accessed");
}
String toReturn = defaultValue;
try {
toReturn = hiveConf.get(name, defaultValue);
} catch (RuntimeException e) {
LOG.error(threadLocalId.get().toString() + ": "
+ "RuntimeException thrown in get_config_value - msg: "
+ e.getMessage() + " cause: " + e.getCause());
}
success = true;
return toReturn;
} catch (Exception e) {
ex = e;
if (e instanceof ConfigValSecurityException) {
throw (ConfigValSecurityException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
TException te = new TException(e.toString());
te.initCause(e);
throw te;
}
} finally {
endFunction("get_config_value", success, ex);
}
}
private List<String> getPartValsFromName(RawStore ms, String dbName, String tblName,
String partName) throws MetaException, InvalidObjectException {
// Unescape the partition name
LinkedHashMap<String, String> hm = Warehouse.makeSpecFromName(partName);
// getPartition expects partition values in a list. use info from the
// table to put the partition column values in order
Table t = ms.getTable(dbName, tblName);
if (t == null) {
throw new InvalidObjectException(dbName + "." + tblName
+ " table not found");
}
List<String> partVals = new ArrayList<String>();
for (FieldSchema field : t.getPartitionKeys()) {
String key = field.getName();
String val = hm.get(key);
if (val == null) {
throw new InvalidObjectException("incomplete partition name - missing " + key);
}
partVals.add(val);
}
return partVals;
}
private Partition get_partition_by_name_core(final RawStore ms, final String db_name,
final String tbl_name, final String part_name)
throws MetaException, NoSuchObjectException, TException {
List<String> partVals = null;
try {
partVals = getPartValsFromName(ms, db_name, tbl_name, part_name);
} catch (InvalidObjectException e) {
throw new NoSuchObjectException(e.getMessage());
}
Partition p = ms.getPartition(db_name, tbl_name, partVals);
if (p == null) {
throw new NoSuchObjectException(db_name + "." + tbl_name
+ " partition (" + part_name + ") not found");
}
return p;
}
@Override
public Partition get_partition_by_name(final String db_name, final String tbl_name,
final String part_name) throws MetaException, NoSuchObjectException, TException {
startFunction("get_partition_by_name", ": db=" + db_name + " tbl="
+ tbl_name + " part=" + part_name);
Partition ret = null;
Exception ex = null;
try {
ret = get_partition_by_name_core(getMS(), db_name, tbl_name, part_name);
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_partition_by_name", ret != null, ex, tbl_name);
}
return ret;
}
@Override
public Partition append_partition_by_name(final String db_name, final String tbl_name,
final String part_name) throws InvalidObjectException,
AlreadyExistsException, MetaException, TException {
return append_partition_by_name_with_environment_context(db_name, tbl_name, part_name, null);
}
@Override
public Partition append_partition_by_name_with_environment_context(final String db_name,
final String tbl_name, final String part_name, final EnvironmentContext env_context)
throws InvalidObjectException, AlreadyExistsException, MetaException, TException {
startFunction("append_partition_by_name", ": db=" + db_name + " tbl="
+ tbl_name + " part=" + part_name);
Partition ret = null;
Exception ex = null;
try {
RawStore ms = getMS();
List<String> partVals = getPartValsFromName(ms, db_name, tbl_name, part_name);
ret = append_partition_common(ms, db_name, tbl_name, partVals, env_context);
} catch (Exception e) {
ex = e;
if (e instanceof InvalidObjectException) {
throw (InvalidObjectException) e;
} else if (e instanceof AlreadyExistsException) {
throw (AlreadyExistsException) e;
} else if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("append_partition_by_name", ret != null, ex, tbl_name);
}
return ret;
}
private boolean drop_partition_by_name_core(final RawStore ms, final String db_name,
final String tbl_name, final String part_name, final boolean deleteData,
final EnvironmentContext envContext) throws NoSuchObjectException, MetaException,
TException, IOException, InvalidObjectException, InvalidInputException {
List<String> partVals = null;
try {
partVals = getPartValsFromName(ms, db_name, tbl_name, part_name);
} catch (InvalidObjectException e) {
throw new NoSuchObjectException(e.getMessage());
}
return drop_partition_common(ms, db_name, tbl_name, partVals, deleteData, envContext);
}
@Override
public boolean drop_partition_by_name(final String db_name, final String tbl_name,
final String part_name, final boolean deleteData) throws NoSuchObjectException,
MetaException, TException {
return drop_partition_by_name_with_environment_context(db_name, tbl_name, part_name,
deleteData, null);
}
@Override
public boolean drop_partition_by_name_with_environment_context(final String db_name,
final String tbl_name, final String part_name, final boolean deleteData,
final EnvironmentContext envContext) throws NoSuchObjectException,
MetaException, TException {
startFunction("drop_partition_by_name", ": db=" + db_name + " tbl="
+ tbl_name + " part=" + part_name);
boolean ret = false;
Exception ex = null;
try {
ret = drop_partition_by_name_core(getMS(), db_name, tbl_name,
part_name, deleteData, envContext);
} catch (IOException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("drop_partition_by_name", ret, ex, tbl_name);
}
return ret;
}
@Override
public List<Partition> get_partitions_ps(final String db_name,
final String tbl_name, final List<String> part_vals,
final short max_parts) throws MetaException, TException, NoSuchObjectException {
startPartitionFunction("get_partitions_ps", db_name, tbl_name, part_vals);
List<Partition> ret = null;
Exception ex = null;
try {
ret = get_partitions_ps_with_auth(db_name, tbl_name, part_vals,
max_parts, null, null);
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_partitions_ps", ret != null, ex, tbl_name);
}
return ret;
}
@Override
public List<Partition> get_partitions_ps_with_auth(final String db_name,
final String tbl_name, final List<String> part_vals,
final short max_parts, final String userName,
final List<String> groupNames) throws MetaException, TException, NoSuchObjectException {
startPartitionFunction("get_partitions_ps_with_auth", db_name, tbl_name,
part_vals);
List<Partition> ret = null;
Exception ex = null;
try {
ret = getMS().listPartitionsPsWithAuth(db_name, tbl_name, part_vals, max_parts,
userName, groupNames);
} catch (InvalidObjectException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_partitions_ps_with_auth", ret != null, ex, tbl_name);
}
return ret;
}
@Override
public List<String> get_partition_names_ps(final String db_name,
final String tbl_name, final List<String> part_vals, final short max_parts)
throws MetaException, TException, NoSuchObjectException {
startPartitionFunction("get_partitions_names_ps", db_name, tbl_name, part_vals);
List<String> ret = null;
Exception ex = null;
try {
ret = getMS().listPartitionNamesPs(db_name, tbl_name, part_vals, max_parts);
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_partitions_names_ps", ret != null, ex, tbl_name);
}
return ret;
}
@Override
public List<String> partition_name_to_vals(String part_name)
throws MetaException, TException {
if (part_name.length() == 0) {
return new ArrayList<String>();
}
LinkedHashMap<String, String> map = Warehouse.makeSpecFromName(part_name);
List<String> part_vals = new ArrayList<String>();
part_vals.addAll(map.values());
return part_vals;
}
@Override
public Map<String, String> partition_name_to_spec(String part_name) throws MetaException,
TException {
if (part_name.length() == 0) {
return new HashMap<String, String>();
}
return Warehouse.makeSpecFromName(part_name);
}
@Override
public Index add_index(final Index newIndex, final Table indexTable)
throws InvalidObjectException, AlreadyExistsException, MetaException, TException {
startFunction("add_index", ": " + newIndex.toString() + " " + indexTable.toString());
Index ret = null;
Exception ex = null;
try {
ret = add_index_core(getMS(), newIndex, indexTable);
} catch (Exception e) {
ex = e;
if (e instanceof InvalidObjectException) {
throw (InvalidObjectException) e;
} else if (e instanceof AlreadyExistsException) {
throw (AlreadyExistsException) e;
} else if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
throw newMetaException(e);
}
} finally {
String tableName = indexTable != null ? indexTable.getTableName() : null;
endFunction("add_index", ret != null, ex, tableName);
}
return ret;
}
private Index add_index_core(final RawStore ms, final Index index, final Table indexTable)
throws InvalidObjectException, AlreadyExistsException, MetaException {
boolean success = false, indexTableCreated = false;
try {
ms.openTransaction();
Index old_index = null;
try {
old_index = get_index_by_name(index.getDbName(), index
.getOrigTableName(), index.getIndexName());
} catch (Exception e) {
}
if (old_index != null) {
throw new AlreadyExistsException("Index already exists:" + index);
}
Table origTbl = ms.getTable(index.getDbName(), index.getOrigTableName());
if (origTbl == null) {
throw new InvalidObjectException(
"Unable to add index because database or the orginal table do not exist");
}
// set create time
long time = System.currentTimeMillis() / 1000;
Table indexTbl = indexTable;
if (indexTbl != null) {
try {
indexTbl = ms.getTable(index.getDbName(), index.getIndexTableName());
} catch (Exception e) {
}
if (indexTbl != null) {
throw new InvalidObjectException(
"Unable to add index because index table already exists");
}
this.create_table(indexTable);
indexTableCreated = true;
}
index.setCreateTime((int) time);
index.putToParameters(hive_metastoreConstants.DDL_TIME, Long.toString(time));
ms.addIndex(index);
success = ms.commitTransaction();
return index;
} finally {
if (!success) {
if (indexTableCreated) {
try {
this.drop_table(index.getDbName(), index.getIndexTableName(), false);
} catch (Exception e) {
}
}
ms.rollbackTransaction();
}
}
}
@Override
public boolean drop_index_by_name(final String dbName, final String tblName,
final String indexName, final boolean deleteData) throws NoSuchObjectException,
MetaException, TException {
startFunction("drop_index_by_name", ": db=" + dbName + " tbl="
+ tblName + " index=" + indexName);
boolean ret = false;
Exception ex = null;
try {
ret = drop_index_by_name_core(getMS(), dbName, tblName,
indexName, deleteData);
} catch (IOException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("drop_index_by_name", ret, ex, tblName);
}
return ret;
}
private boolean drop_index_by_name_core(final RawStore ms,
final String dbName, final String tblName,
final String indexName, final boolean deleteData) throws NoSuchObjectException,
MetaException, TException, IOException, InvalidObjectException, InvalidInputException {
boolean success = false;
Path tblPath = null;
List<Path> partPaths = null;
try {
ms.openTransaction();
// drop the underlying index table
Index index = get_index_by_name(dbName, tblName, indexName);
if (index == null) {
throw new NoSuchObjectException(indexName + " doesn't exist");
}
ms.dropIndex(dbName, tblName, indexName);
String idxTblName = index.getIndexTableName();
if (idxTblName != null) {
Table tbl = null;
tbl = this.get_table(dbName, idxTblName);
if (tbl.getSd() == null) {
throw new MetaException("Table metadata is corrupted");
}
if (tbl.getSd().getLocation() != null) {
tblPath = new Path(tbl.getSd().getLocation());
if (!wh.isWritable(tblPath.getParent())) {
throw new MetaException("Index table metadata not deleted since " +
tblPath.getParent() + " is not writable by " +
hiveConf.getUser());
}
}
// Drop the partitions and get a list of partition locations which need to be deleted
partPaths = dropPartitionsAndGetLocations(ms, dbName, idxTblName, tblPath,
tbl.getPartitionKeys(), deleteData);
if (!ms.dropTable(dbName, idxTblName)) {
throw new MetaException("Unable to drop underlying data table "
+ idxTblName + " for index " + idxTblName);
}
}
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
return false;
} else if (deleteData && tblPath != null) {
deletePartitionData(partPaths);
deleteTableData(tblPath);
// ok even if the data is not deleted
}
}
return true;
}
@Override
public Index get_index_by_name(final String dbName, final String tblName,
final String indexName) throws MetaException, NoSuchObjectException,
TException {
startFunction("get_index_by_name", ": db=" + dbName + " tbl="
+ tblName + " index=" + indexName);
Index ret = null;
Exception ex = null;
try {
ret = get_index_by_name_core(getMS(), dbName, tblName, indexName);
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("drop_index_by_name", ret != null, ex, tblName);
}
return ret;
}
private Index get_index_by_name_core(final RawStore ms, final String db_name,
final String tbl_name, final String index_name)
throws MetaException, NoSuchObjectException, TException {
Index index = ms.getIndex(db_name, tbl_name, index_name);
if (index == null) {
throw new NoSuchObjectException(db_name + "." + tbl_name
+ " index=" + index_name + " not found");
}
return index;
}
@Override
public List<String> get_index_names(final String dbName, final String tblName,
final short maxIndexes) throws MetaException, TException {
startTableFunction("get_index_names", dbName, tblName);
List<String> ret = null;
Exception ex = null;
try {
ret = getMS().listIndexNames(dbName, tblName, maxIndexes);
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_index_names", ret != null, ex, tblName);
}
return ret;
}
@Override
public List<Index> get_indexes(final String dbName, final String tblName,
final short maxIndexes) throws NoSuchObjectException, MetaException,
TException {
startTableFunction("get_indexes", dbName, tblName);
List<Index> ret = null;
Exception ex = null;
try {
ret = getMS().getIndexes(dbName, tblName, maxIndexes);
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_indexes", ret != null, ex, tblName);
}
return ret;
}
private String lowerCaseConvertPartName(String partName) throws MetaException {
boolean isFirst = true;
Map<String, String> partSpec = Warehouse.makeEscSpecFromName(partName);
String convertedPartName = new String();
for (Map.Entry<String, String> entry : partSpec.entrySet()) {
String partColName = entry.getKey();
String partColVal = entry.getValue();
if (!isFirst) {
convertedPartName += "/";
} else {
isFirst = false;
}
convertedPartName += partColName.toLowerCase() + "=" + partColVal;
}
return convertedPartName;
}
@Override
public ColumnStatistics get_table_column_statistics(String dbName, String tableName,
String colName) throws NoSuchObjectException, MetaException, TException,
InvalidInputException, InvalidObjectException
{
dbName = dbName.toLowerCase();
tableName = tableName.toLowerCase();
colName = colName.toLowerCase();
startFunction("get_column_statistics_by_table: db=" + dbName + " table=" + tableName +
" column=" + colName);
ColumnStatistics statsObj = null;
try {
statsObj = getMS().getTableColumnStatistics(
dbName, tableName, Lists.newArrayList(colName));
assert statsObj.getStatsObjSize() <= 1;
return statsObj;
} finally {
endFunction("get_column_statistics_by_table: ", statsObj != null, null, tableName);
}
}
@Override
public TableStatsResult get_table_statistics_req(TableStatsRequest request)
throws MetaException, NoSuchObjectException, TException {
String dbName = request.getDbName(), tblName = request.getTblName();
startFunction("get_table_statistics_req: db=" + dbName + " table=" + tblName);
TableStatsResult result = null;
try {
ColumnStatistics cs = getMS().getTableColumnStatistics(
dbName, tblName, request.getColNames());
result = new TableStatsResult(
cs == null ? Lists.<ColumnStatisticsObj>newArrayList() : cs.getStatsObj());
} finally {
endFunction("get_table_statistics_req: ", result == null, null, tblName);
}
return result;
}
@Override
public ColumnStatistics get_partition_column_statistics(String dbName, String tableName,
String partName, String colName) throws NoSuchObjectException, MetaException,
InvalidInputException, TException, InvalidObjectException {
dbName = dbName.toLowerCase();
tableName = tableName.toLowerCase();
colName = colName.toLowerCase();
String convertedPartName = lowerCaseConvertPartName(partName);
startFunction("get_column_statistics_by_partition: db=" + dbName + " table=" + tableName +
" partition=" + convertedPartName + " column=" + colName);
ColumnStatistics statsObj = null;
try {
List<ColumnStatistics> list = getMS().getPartitionColumnStatistics(dbName, tableName,
Lists.newArrayList(convertedPartName), Lists.newArrayList(colName));
if (list.isEmpty()) return null;
if (list.size() != 1) {
throw new MetaException(list.size() + " statistics for single column and partition");
}
statsObj = list.get(0);
} finally {
endFunction("get_column_statistics_by_partition: ", statsObj != null, null, tableName);
}
return statsObj;
}
@Override
public PartitionsStatsResult get_partitions_statistics_req(PartitionsStatsRequest request)
throws MetaException, NoSuchObjectException, TException {
String dbName = request.getDbName(), tblName = request.getTblName();
startFunction("get_partitions_statistics_req: db=" + dbName + " table=" + tblName);
PartitionsStatsResult result = null;
try {
List<ColumnStatistics> stats = getMS().getPartitionColumnStatistics(
dbName, tblName, request.getPartNames(), request.getColNames());
Map<String, List<ColumnStatisticsObj>> map =
new HashMap<String, List<ColumnStatisticsObj>>();
for (ColumnStatistics stat : stats) {
map.put(stat.getStatsDesc().getPartName(), stat.getStatsObj());
}
result = new PartitionsStatsResult(map);
} finally {
endFunction("get_partitions_statistics_req: ", result == null, null, tblName);
}
return result;
}
@Override
public boolean update_table_column_statistics(ColumnStatistics colStats)
throws NoSuchObjectException,InvalidObjectException,MetaException,TException,
InvalidInputException
{
String dbName = null;
String tableName = null;
String colName = null;
ColumnStatisticsDesc statsDesc = colStats.getStatsDesc();
dbName = statsDesc.getDbName().toLowerCase();
tableName = statsDesc.getTableName().toLowerCase();
statsDesc.setDbName(dbName);
statsDesc.setTableName(tableName);
long time = System.currentTimeMillis() / 1000;
statsDesc.setLastAnalyzed(time);
List<ColumnStatisticsObj> statsObjs = colStats.getStatsObj();
for (ColumnStatisticsObj statsObj:statsObjs) {
colName = statsObj.getColName().toLowerCase();
statsObj.setColName(colName);
startFunction("write_column_statistics: db=" + dbName + " table=" + tableName +
" column=" + colName);
}
colStats.setStatsDesc(statsDesc);
colStats.setStatsObj(statsObjs);
boolean ret = false;
try {
ret = getMS().updateTableColumnStatistics(colStats);
return ret;
} finally {
endFunction("write_column_statistics: ", ret != false, null, tableName);
}
}
@Override
public boolean update_partition_column_statistics(ColumnStatistics colStats)
throws NoSuchObjectException,InvalidObjectException,MetaException,TException,
InvalidInputException
{
String dbName = null;
String tableName = null;
String partName = null;
String colName = null;
ColumnStatisticsDesc statsDesc = colStats.getStatsDesc();
dbName = statsDesc.getDbName().toLowerCase();
tableName = statsDesc.getTableName().toLowerCase();
partName = lowerCaseConvertPartName(statsDesc.getPartName());
statsDesc.setDbName(dbName);
statsDesc.setTableName(tableName);
statsDesc.setPartName(partName);
long time = System.currentTimeMillis() / 1000;
statsDesc.setLastAnalyzed(time);
List<ColumnStatisticsObj> statsObjs = colStats.getStatsObj();
for (ColumnStatisticsObj statsObj:statsObjs) {
colName = statsObj.getColName().toLowerCase();
statsObj.setColName(colName);
startFunction("write_partition_column_statistics: db=" + dbName + " table=" + tableName +
" part=" + partName + "column=" + colName);
}
colStats.setStatsDesc(statsDesc);
colStats.setStatsObj(statsObjs);
boolean ret = false;
try {
List<String> partVals = getPartValsFromName(getMS(), dbName,
tableName, partName);
ret = getMS().updatePartitionColumnStatistics(colStats, partVals);
return ret;
} finally {
endFunction("write_partition_column_statistics: ", ret != false, null, tableName);
}
}
@Override
public boolean delete_partition_column_statistics(String dbName, String tableName,
String partName, String colName) throws NoSuchObjectException, MetaException,
InvalidObjectException, TException, InvalidInputException
{
dbName = dbName.toLowerCase();
tableName = tableName.toLowerCase();
if (colName != null) {
colName = colName.toLowerCase();
}
String convertedPartName = lowerCaseConvertPartName(partName);
startFunction("delete_column_statistics_by_partition: db=" + dbName + " table=" + tableName +
" partition=" + convertedPartName + " column=" + colName);
boolean ret = false;
try {
List<String> partVals = getPartValsFromName(getMS(), dbName, tableName, convertedPartName);
ret = getMS().deletePartitionColumnStatistics(dbName, tableName,
convertedPartName, partVals, colName);
} finally {
endFunction("delete_column_statistics_by_partition: ", ret != false, null, tableName);
}
return ret;
}
@Override
public boolean delete_table_column_statistics(String dbName, String tableName, String colName)
throws NoSuchObjectException, MetaException, InvalidObjectException, TException,
InvalidInputException
{
dbName = dbName.toLowerCase();
tableName = tableName.toLowerCase();
if (colName != null) {
colName = colName.toLowerCase();
}
startFunction("delete_column_statistics_by_table: db=" + dbName + " table=" + tableName +
" column=" + colName);
boolean ret = false;
try {
ret = getMS().deleteTableColumnStatistics(dbName, tableName, colName);
} finally {
endFunction("delete_column_statistics_by_table: ", ret != false, null, tableName);
}
return ret;
}
@Override
public List<Partition> get_partitions_by_filter(final String dbName,
final String tblName, final String filter, final short maxParts)
throws MetaException, NoSuchObjectException, TException {
startTableFunction("get_partitions_by_filter", dbName, tblName);
List<Partition> ret = null;
Exception ex = null;
try {
ret = getMS().getPartitionsByFilter(dbName, tblName, filter, maxParts);
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_partitions_by_filter", ret != null, ex, tblName);
}
return ret;
}
@Override
public PartitionsByExprResult get_partitions_by_expr(
PartitionsByExprRequest req) throws TException {
String dbName = req.getDbName(), tblName = req.getTblName();
startTableFunction("get_partitions_by_expr", dbName, tblName);
PartitionsByExprResult ret = null;
Exception ex = null;
try {
List<Partition> partitions = new LinkedList<Partition>();
boolean hasUnknownPartitions = getMS().getPartitionsByExpr(dbName, tblName,
req.getExpr(), req.getDefaultPartitionName(), req.getMaxParts(), partitions);
ret = new PartitionsByExprResult(partitions, hasUnknownPartitions);
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_partitions_by_expr", ret != null, ex, tblName);
}
return ret;
}
private void rethrowException(Exception e)
throws MetaException, NoSuchObjectException, TException {
// TODO: Both of these are TException, why do we need these separate clauses?
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof NoSuchObjectException) {
throw (NoSuchObjectException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
throw newMetaException(e);
}
}
@Override
public List<Partition> get_partitions_by_names(final String dbName,
final String tblName, final List<String> partNames)
throws MetaException, NoSuchObjectException, TException {
startTableFunction("get_partitions_by_names", dbName, tblName);
List<Partition> ret = null;
Exception ex = null;
try {
ret = getMS().getPartitionsByNames(dbName, tblName, partNames);
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_partitions_by_names", ret != null, ex, tblName);
}
return ret;
}
@Override
public PrincipalPrivilegeSet get_privilege_set(HiveObjectRef hiveObject,
String userName, List<String> groupNames) throws MetaException,
TException {
if (hiveObject.getObjectType() == HiveObjectType.COLUMN) {
String partName = getPartName(hiveObject);
return this.get_column_privilege_set(hiveObject.getDbName(), hiveObject
.getObjectName(), partName, hiveObject.getColumnName(), userName,
groupNames);
} else if (hiveObject.getObjectType() == HiveObjectType.PARTITION) {
String partName = getPartName(hiveObject);
return this.get_partition_privilege_set(hiveObject.getDbName(),
hiveObject.getObjectName(), partName, userName, groupNames);
} else if (hiveObject.getObjectType() == HiveObjectType.DATABASE) {
return this.get_db_privilege_set(hiveObject.getDbName(), userName,
groupNames);
} else if (hiveObject.getObjectType() == HiveObjectType.TABLE) {
return this.get_table_privilege_set(hiveObject.getDbName(), hiveObject
.getObjectName(), userName, groupNames);
} else if (hiveObject.getObjectType() == HiveObjectType.GLOBAL) {
return this.get_user_privilege_set(userName, groupNames);
}
return null;
}
private String getPartName(HiveObjectRef hiveObject) throws MetaException {
String partName = null;
List<String> partValue = hiveObject.getPartValues();
if (partValue != null && partValue.size() > 0) {
try {
Table table = get_table(hiveObject.getDbName(), hiveObject
.getObjectName());
partName = Warehouse
.makePartName(table.getPartitionKeys(), partValue);
} catch (NoSuchObjectException e) {
throw new MetaException(e.getMessage());
}
}
return partName;
}
public PrincipalPrivilegeSet get_column_privilege_set(final String dbName,
final String tableName, final String partName, final String columnName,
final String userName, final List<String> groupNames) throws MetaException,
TException {
incrementCounter("get_column_privilege_set");
PrincipalPrivilegeSet ret = null;
try {
ret = getMS().getColumnPrivilegeSet(
dbName, tableName, partName, columnName, userName, groupNames);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
public PrincipalPrivilegeSet get_db_privilege_set(final String dbName,
final String userName, final List<String> groupNames) throws MetaException,
TException {
incrementCounter("get_db_privilege_set");
PrincipalPrivilegeSet ret = null;
try {
ret = getMS().getDBPrivilegeSet(dbName, userName, groupNames);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
public PrincipalPrivilegeSet get_partition_privilege_set(
final String dbName, final String tableName, final String partName,
final String userName, final List<String> groupNames)
throws MetaException, TException {
incrementCounter("get_partition_privilege_set");
PrincipalPrivilegeSet ret = null;
try {
ret = getMS().getPartitionPrivilegeSet(dbName, tableName, partName,
userName, groupNames);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
public PrincipalPrivilegeSet get_table_privilege_set(final String dbName,
final String tableName, final String userName,
final List<String> groupNames) throws MetaException, TException {
incrementCounter("get_table_privilege_set");
PrincipalPrivilegeSet ret = null;
try {
ret = getMS().getTablePrivilegeSet(dbName, tableName, userName,
groupNames);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
@Override
public boolean grant_role(final String roleName,
final String principalName, final PrincipalType principalType,
final String grantor, final PrincipalType grantorType, final boolean grantOption)
throws MetaException, TException {
incrementCounter("add_role_member");
if (PUBLIC.equals(roleName)) {
throw new MetaException("No user can be added to " + PUBLIC +". Since all users implictly"
+ " belong to " + PUBLIC + " role.");
}
Boolean ret = null;
try {
RawStore ms = getMS();
Role role = ms.getRole(roleName);
if(principalType == PrincipalType.ROLE){
//check if this grant statement will end up creating a cycle
if(isNewRoleAParent(principalName, roleName)){
throw new MetaException("Cannot grant role " + principalName + " to " + roleName +
" as " + roleName + " already belongs to the role " + principalName +
". (no cycles allowed)");
}
}
ret = ms.grantRole(role, principalName, principalType, grantor, grantorType, grantOption);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
/**
* Check if newRole is in parent hierarchy of curRole
* @param newRole
* @param curRole
* @return true if newRole is curRole or present in its hierarchy
* @throws MetaException
*/
private boolean isNewRoleAParent(String newRole, String curRole) throws MetaException {
if(newRole.equals(curRole)){
return true;
}
//do this check recursively on all the parent roles of curRole
List<MRoleMap> parentRoleMaps = getMS().listRoles(curRole, PrincipalType.ROLE);
for(MRoleMap parentRole : parentRoleMaps){
if(isNewRoleAParent(newRole, parentRole.getRole().getRoleName())){
return true;
}
}
return false;
}
@Override
public List<Role> list_roles(final String principalName,
final PrincipalType principalType) throws MetaException, TException {
incrementCounter("list_roles");
List<Role> result = new ArrayList<Role>();
try {
List<MRoleMap> roleMaps = getMS().listRoles(principalName, principalType);
if (roleMaps != null) {
for (MRoleMap roleMap : roleMaps) {
MRole mrole = roleMap.getRole();
Role role = new Role(mrole.getRoleName(), mrole.getCreateTime(), mrole.getOwnerName());
result.add(role);
}
}
return result;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
@Override
public boolean create_role(final Role role)
throws MetaException, TException {
incrementCounter("create_role");
if (PUBLIC.equals(role.getRoleName())) {
throw new MetaException(PUBLIC + " role implictly exists. It can't be created.");
}
Boolean ret = null;
try {
ret = getMS().addRole(role.getRoleName(), role.getOwnerName());
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
@Override
public boolean drop_role(final String roleName)
throws MetaException, TException {
incrementCounter("drop_role");
if (ADMIN.equals(roleName) || PUBLIC.equals(roleName)) {
throw new MetaException(PUBLIC + "/" + ADMIN +" role can't be dropped.");
}
Boolean ret = null;
try {
ret = getMS().removeRole(roleName);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
@Override
public List<String> get_role_names() throws MetaException, TException {
incrementCounter("get_role_names");
List<String> ret = null;
try {
ret = getMS().listRoleNames();
return ret;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
@Override
public boolean grant_privileges(final PrivilegeBag privileges) throws MetaException,
TException {
incrementCounter("grant_privileges");
Boolean ret = null;
try {
ret = getMS().grantPrivileges(privileges);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
@Override
public boolean revoke_role(final String roleName, final String userName,
final PrincipalType principalType) throws MetaException, TException {
incrementCounter("remove_role_member");
if (PUBLIC.equals(roleName)) {
throw new MetaException(PUBLIC + " role can't be revoked.");
}
Boolean ret = null;
try {
RawStore ms = getMS();
Role mRole = ms.getRole(roleName);
ret = ms.revokeRole(mRole, userName, principalType);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
@Override
public boolean revoke_privileges(final PrivilegeBag privileges)
throws MetaException, TException {
incrementCounter("revoke_privileges");
Boolean ret = null;
try {
ret = getMS().revokePrivileges(privileges);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
public PrincipalPrivilegeSet get_user_privilege_set(final String userName,
final List<String> groupNames) throws MetaException, TException {
incrementCounter("get_user_privilege_set");
PrincipalPrivilegeSet ret = null;
try {
ret = getMS().getUserPrivilegeSet(userName, groupNames);
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
return ret;
}
public PrincipalType getPrincipalType(String principalType) {
return PrincipalType.valueOf(principalType);
}
@Override
public List<HiveObjectPrivilege> list_privileges(String principalName,
PrincipalType principalType, HiveObjectRef hiveObject)
throws MetaException, TException {
if (hiveObject.getObjectType() == null) {
return getAllPrivileges(principalName, principalType);
}
if (hiveObject.getObjectType() == HiveObjectType.GLOBAL) {
return list_global_privileges(principalName, principalType);
}
if (hiveObject.getObjectType() == HiveObjectType.DATABASE) {
return list_db_privileges(principalName, principalType, hiveObject
.getDbName());
}
if (hiveObject.getObjectType() == HiveObjectType.TABLE) {
return list_table_privileges(principalName, principalType,
hiveObject.getDbName(), hiveObject.getObjectName());
}
if (hiveObject.getObjectType() == HiveObjectType.PARTITION) {
return list_partition_privileges(principalName, principalType,
hiveObject.getDbName(), hiveObject.getObjectName(), hiveObject
.getPartValues());
}
if (hiveObject.getObjectType() == HiveObjectType.COLUMN) {
if (hiveObject.getPartValues() == null || hiveObject.getPartValues().isEmpty()) {
return list_table_column_privileges(principalName, principalType,
hiveObject.getDbName(), hiveObject.getObjectName(), hiveObject.getColumnName());
}
return list_partition_column_privileges(principalName, principalType,
hiveObject.getDbName(), hiveObject.getObjectName(), hiveObject
.getPartValues(), hiveObject.getColumnName());
}
return null;
}
private List<HiveObjectPrivilege> getAllPrivileges(String principalName,
PrincipalType principalType) throws TException {
List<HiveObjectPrivilege> privs = new ArrayList<HiveObjectPrivilege>();
privs.addAll(list_global_privileges(principalName, principalType));
privs.addAll(list_db_privileges(principalName, principalType, null));
privs.addAll(list_table_privileges(principalName, principalType, null, null));
privs.addAll(list_partition_privileges(principalName, principalType, null, null, null));
privs.addAll(list_table_column_privileges(principalName, principalType, null, null, null));
privs.addAll(list_partition_column_privileges(principalName, principalType,
null, null, null, null));
return privs;
}
public List<HiveObjectPrivilege> list_table_column_privileges(
final String principalName, final PrincipalType principalType,
final String dbName, final String tableName, final String columnName)
throws MetaException, TException {
incrementCounter("list_table_column_privileges");
try {
if (dbName == null) {
return getMS().listPrincipalTableColumnGrantsAll(principalName, principalType);
}
if (principalName == null) {
return getMS().listTableColumnGrantsAll(dbName, tableName, columnName);
}
List<MTableColumnPrivilege> mTableCols = getMS()
.listPrincipalTableColumnGrants(principalName, principalType,
dbName, tableName, columnName);
if (mTableCols.isEmpty()) {
return Collections.emptyList();
}
List<HiveObjectPrivilege> result = new ArrayList<HiveObjectPrivilege>();
for (int i = 0; i < mTableCols.size(); i++) {
MTableColumnPrivilege sCol = mTableCols.get(i);
HiveObjectRef objectRef = new HiveObjectRef(
HiveObjectType.COLUMN, dbName, tableName, null, sCol.getColumnName());
HiveObjectPrivilege secObj = new HiveObjectPrivilege(
objectRef, sCol.getPrincipalName(), principalType,
new PrivilegeGrantInfo(sCol.getPrivilege(), sCol
.getCreateTime(), sCol.getGrantor(), PrincipalType
.valueOf(sCol.getGrantorType()), sCol
.getGrantOption()));
result.add(secObj);
}
return result;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public List<HiveObjectPrivilege> list_partition_column_privileges(
final String principalName, final PrincipalType principalType,
final String dbName, final String tableName, final List<String> partValues,
final String columnName) throws MetaException, TException {
incrementCounter("list_partition_column_privileges");
try {
if (dbName == null) {
return getMS().listPrincipalPartitionColumnGrantsAll(principalName, principalType);
}
Table tbl = get_table(dbName, tableName);
String partName = Warehouse.makePartName(tbl.getPartitionKeys(), partValues);
if (principalName == null) {
return getMS().listPartitionColumnGrantsAll(dbName, tableName, partName, columnName);
}
List<MPartitionColumnPrivilege> mPartitionCols = getMS().listPrincipalPartitionColumnGrants(
principalName,
principalType, dbName, tableName, partName, columnName);
if (mPartitionCols.isEmpty()) {
return Collections.emptyList();
}
List<HiveObjectPrivilege> result = new ArrayList<HiveObjectPrivilege>();
for (int i = 0; i < mPartitionCols.size(); i++) {
MPartitionColumnPrivilege sCol = mPartitionCols.get(i);
HiveObjectRef objectRef = new HiveObjectRef(
HiveObjectType.COLUMN, dbName, tableName, partValues, sCol.getColumnName());
HiveObjectPrivilege secObj = new HiveObjectPrivilege(objectRef,
sCol.getPrincipalName(), principalType,
new PrivilegeGrantInfo(sCol.getPrivilege(), sCol
.getCreateTime(), sCol.getGrantor(), PrincipalType
.valueOf(sCol.getGrantorType()), sCol.getGrantOption()));
result.add(secObj);
}
return result;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public List<HiveObjectPrivilege> list_db_privileges(final String principalName,
final PrincipalType principalType, final String dbName)
throws MetaException, TException {
incrementCounter("list_security_db_grant");
try {
if (dbName == null) {
return getMS().listPrincipalDBGrantsAll(principalName, principalType);
}
if (principalName == null) {
return getMS().listDBGrantsAll(dbName);
}
List<MDBPrivilege> mDbs = getMS().listPrincipalDBGrants(
principalName, principalType, dbName);
if (mDbs.isEmpty()) {
return Collections.<HiveObjectPrivilege>emptyList();
}
List<HiveObjectPrivilege> result = new ArrayList<HiveObjectPrivilege>();
for (int i = 0; i < mDbs.size(); i++) {
MDBPrivilege sDB = mDbs.get(i);
HiveObjectRef objectRef = new HiveObjectRef(
HiveObjectType.DATABASE, dbName, null, null, null);
HiveObjectPrivilege secObj = new HiveObjectPrivilege(objectRef,
sDB.getPrincipalName(), principalType,
new PrivilegeGrantInfo(sDB.getPrivilege(), sDB
.getCreateTime(), sDB.getGrantor(), PrincipalType
.valueOf(sDB.getGrantorType()), sDB.getGrantOption()));
result.add(secObj);
}
return result;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public List<HiveObjectPrivilege> list_partition_privileges(
final String principalName, final PrincipalType principalType,
final String dbName, final String tableName, final List<String> partValues)
throws MetaException, TException {
incrementCounter("list_security_partition_grant");
try {
if (dbName == null) {
return getMS().listPrincipalPartitionGrantsAll(principalName, principalType);
}
Table tbl = get_table(dbName, tableName);
String partName = Warehouse.makePartName(tbl.getPartitionKeys(), partValues);
if (principalName == null) {
return getMS().listPartitionGrantsAll(dbName, tableName, partName);
}
List<MPartitionPrivilege> mParts = getMS().listPrincipalPartitionGrants(
principalName, principalType, dbName, tableName, partName);
if (mParts.isEmpty()) {
return Collections.<HiveObjectPrivilege> emptyList();
}
List<HiveObjectPrivilege> result = new ArrayList<HiveObjectPrivilege>();
for (int i = 0; i < mParts.size(); i++) {
MPartitionPrivilege sPart = mParts.get(i);
HiveObjectRef objectRef = new HiveObjectRef(
HiveObjectType.PARTITION, dbName, tableName, partValues, null);
HiveObjectPrivilege secObj = new HiveObjectPrivilege(objectRef,
sPart.getPrincipalName(), principalType,
new PrivilegeGrantInfo(sPart.getPrivilege(), sPart
.getCreateTime(), sPart.getGrantor(), PrincipalType
.valueOf(sPart.getGrantorType()), sPart
.getGrantOption()));
result.add(secObj);
}
return result;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public List<HiveObjectPrivilege> list_table_privileges(
final String principalName, final PrincipalType principalType,
final String dbName, final String tableName) throws MetaException,
TException {
incrementCounter("list_security_table_grant");
try {
if (dbName == null) {
return getMS().listPrincipalTableGrantsAll(principalName, principalType);
}
if (principalName == null) {
return getMS().listTableGrantsAll(dbName, tableName);
}
List<MTablePrivilege> mTbls = getMS()
.listAllTableGrants(principalName, principalType, dbName, tableName);
if (mTbls.isEmpty()) {
return Collections.<HiveObjectPrivilege> emptyList();
}
List<HiveObjectPrivilege> result = new ArrayList<HiveObjectPrivilege>();
for (int i = 0; i < mTbls.size(); i++) {
MTablePrivilege sTbl = mTbls.get(i);
HiveObjectRef objectRef = new HiveObjectRef(
HiveObjectType.TABLE, dbName, tableName, null, null);
HiveObjectPrivilege secObj = new HiveObjectPrivilege(objectRef,
sTbl.getPrincipalName(), principalType,
new PrivilegeGrantInfo(sTbl.getPrivilege(), sTbl.getCreateTime(), sTbl
.getGrantor(), PrincipalType.valueOf(sTbl
.getGrantorType()), sTbl.getGrantOption()));
result.add(secObj);
}
return result;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public List<HiveObjectPrivilege> list_global_privileges(
final String principalName, final PrincipalType principalType)
throws MetaException, TException {
incrementCounter("list_security_user_grant");
try {
if (principalName == null) {
return getMS().listGlobalGrantsAll();
}
List<MGlobalPrivilege> mUsers = getMS().listPrincipalGlobalGrants(
principalName, principalType);
if (mUsers.isEmpty()) {
return Collections.<HiveObjectPrivilege> emptyList();
}
List<HiveObjectPrivilege> result = new ArrayList<HiveObjectPrivilege>();
for (int i = 0; i < mUsers.size(); i++) {
MGlobalPrivilege sUsr = mUsers.get(i);
HiveObjectRef objectRef = new HiveObjectRef(
HiveObjectType.GLOBAL, null, null, null, null);
HiveObjectPrivilege secUser = new HiveObjectPrivilege(
objectRef, sUsr.getPrincipalName(), principalType,
new PrivilegeGrantInfo(sUsr.getPrivilege(), sUsr
.getCreateTime(), sUsr.getGrantor(), PrincipalType
.valueOf(sUsr.getGrantorType()), sUsr.getGrantOption()));
result.add(secUser);
}
return result;
} catch (MetaException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
@Override
public void cancel_delegation_token(String token_str_form)
throws MetaException, TException {
startFunction("cancel_delegation_token");
boolean success = false;
Exception ex = null;
try {
HiveMetaStore.cancelDelegationToken(token_str_form);
success = true;
} catch (IOException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("cancel_delegation_token", success, ex);
}
}
@Override
public long renew_delegation_token(String token_str_form)
throws MetaException, TException {
startFunction("renew_delegation_token");
Long ret = null;
Exception ex = null;
try {
ret = HiveMetaStore.renewDelegationToken(token_str_form);
} catch (IOException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("renew_delegation_token", ret != null, ex);
}
return ret;
}
@Override
public String get_delegation_token(String token_owner,
String renewer_kerberos_principal_name)
throws MetaException, TException {
startFunction("get_delegation_token");
String ret = null;
Exception ex = null;
try {
ret =
HiveMetaStore.getDelegationToken(token_owner,
renewer_kerberos_principal_name);
} catch (IOException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (InterruptedException e) {
ex = e;
throw new MetaException(e.getMessage());
} catch (Exception e) {
ex = e;
if (e instanceof MetaException) {
throw (MetaException) e;
} else if (e instanceof TException) {
throw (TException) e;
} else {
throw newMetaException(e);
}
} finally {
endFunction("get_delegation_token", ret != null, ex);
}
return ret;
}
@Override
public void markPartitionForEvent(final String db_name, final String tbl_name,
final Map<String, String> partName, final PartitionEventType evtType) throws
MetaException, TException, NoSuchObjectException, UnknownDBException,
UnknownTableException,
InvalidPartitionException, UnknownPartitionException {
Table tbl = null;
Exception ex = null;
try {
startPartitionFunction("markPartitionForEvent", db_name, tbl_name, partName);
firePreEvent(new PreLoadPartitionDoneEvent(db_name, tbl_name, partName, this));
tbl = getMS().markPartitionForEvent(db_name, tbl_name, partName, evtType);
if (null == tbl) {
throw new UnknownTableException("Table: " + tbl_name + " not found.");
} else {
for (MetaStoreEventListener listener : listeners) {
listener.onLoadPartitionDone(new LoadPartitionDoneEvent(true, tbl, partName, this));
}
}
} catch (Exception original) {
ex = original;
LOG.error(original);
if (original instanceof NoSuchObjectException) {
throw (NoSuchObjectException) original;
} else if (original instanceof UnknownTableException) {
throw (UnknownTableException) original;
} else if (original instanceof UnknownDBException) {
throw (UnknownDBException) original;
} else if (original instanceof UnknownPartitionException) {
throw (UnknownPartitionException) original;
} else if (original instanceof InvalidPartitionException) {
throw (InvalidPartitionException) original;
} else if (original instanceof MetaException) {
throw (MetaException) original;
} else {
throw newMetaException(original);
}
} finally {
endFunction("markPartitionForEvent", tbl != null, ex, tbl_name);
}
}
@Override
public boolean isPartitionMarkedForEvent(final String db_name, final String tbl_name,
final Map<String, String> partName, final PartitionEventType evtType) throws
MetaException, NoSuchObjectException, UnknownDBException, UnknownTableException,
TException, UnknownPartitionException, InvalidPartitionException {
startPartitionFunction("isPartitionMarkedForEvent", db_name, tbl_name, partName);
Boolean ret = null;
Exception ex = null;
try {
ret = getMS().isPartitionMarkedForEvent(db_name, tbl_name, partName, evtType);
} catch (Exception original) {
LOG.error(original);
ex = original;
if (original instanceof NoSuchObjectException) {
throw (NoSuchObjectException) original;
} else if (original instanceof UnknownTableException) {
throw (UnknownTableException) original;
} else if (original instanceof UnknownDBException) {
throw (UnknownDBException) original;
} else if (original instanceof UnknownPartitionException) {
throw (UnknownPartitionException) original;
} else if (original instanceof InvalidPartitionException) {
throw (InvalidPartitionException) original;
} else if (original instanceof MetaException) {
throw (MetaException) original;
} else {
throw newMetaException(original);
}
} finally {
endFunction("isPartitionMarkedForEvent", ret != null, ex, tbl_name);
}
return ret;
}
@Override
public List<String> set_ugi(String username, List<String> groupNames) throws MetaException,
TException {
Collections.addAll(groupNames, username);
return groupNames;
}
@Override
public boolean partition_name_has_valid_characters(List<String> part_vals,
boolean throw_exception) throws TException, MetaException {
startFunction("partition_name_has_valid_characters");
boolean ret = false;
Exception ex = null;
try {
if (throw_exception) {
MetaStoreUtils.validatePartitionNameCharacters(part_vals, partitionValidationPattern);
ret = true;
} else {
ret = MetaStoreUtils.partitionNameHasValidCharacters(part_vals,
partitionValidationPattern);
}
} catch (Exception e) {
if (e instanceof MetaException) {
throw (MetaException)e;
} else {
ex = e;
throw newMetaException(e);
}
}
endFunction("partition_name_has_valid_characters", true, null);
return ret;
}
private static MetaException newMetaException(Exception e) {
MetaException me = new MetaException(e.toString());
me.initCause(e);
return me;
}
private void validateFunctionInfo(Function func) throws InvalidObjectException, MetaException {
if (!MetaStoreUtils.validateName(func.getFunctionName())) {
throw new InvalidObjectException(func.getFunctionName() + " is not a valid object name");
}
String className = func.getClassName();
if (className == null) {
throw new InvalidObjectException("Function class name cannot be null");
}
}
@Override
public void create_function(Function func) throws AlreadyExistsException,
InvalidObjectException, MetaException, NoSuchObjectException,
TException {
validateFunctionInfo(func);
boolean success = false;
RawStore ms = getMS();
try {
ms.openTransaction();
Database db = ms.getDatabase(func.getDbName());
if (db == null) {
throw new NoSuchObjectException("The database " + func.getDbName() + " does not exist");
}
Function existingFunc = ms.getFunction(func.getDbName(), func.getFunctionName());
if (existingFunc != null) {
throw new AlreadyExistsException(
"Function " + func.getFunctionName() + " already exists");
}
// set create time
long time = System.currentTimeMillis() / 1000;
func.setCreateTime((int) time);
ms.createFunction(func);
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
}
}
}
@Override
public void drop_function(String dbName, String funcName)
throws NoSuchObjectException, MetaException,
InvalidObjectException, InvalidInputException {
boolean success = false;
Function func = null;
RawStore ms = getMS();
try {
ms.openTransaction();
func = ms.getFunction(dbName, funcName);
if (func == null) {
throw new NoSuchObjectException("Function " + funcName + " does not exist");
}
ms.dropFunction(dbName, funcName);
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
}
}
}
@Override
public void alter_function(String dbName, String funcName, Function newFunc)
throws InvalidOperationException, MetaException, TException {
validateFunctionInfo(newFunc);
boolean success = false;
RawStore ms = getMS();
try {
ms.openTransaction();
ms.alterFunction(dbName, funcName, newFunc);
success = ms.commitTransaction();
} finally {
if (!success) {
ms.rollbackTransaction();
}
}
}
@Override
public List<String> get_functions(String dbName, String pattern)
throws MetaException {
startFunction("get_functions", ": db=" + dbName + " pat=" + pattern);
RawStore ms = getMS();
Exception ex = null;
List<String> funcNames = null;
try {
funcNames = ms.getFunctions(dbName, pattern);
} catch (Exception e) {
ex = e;
throw newMetaException(e);
} finally {
endFunction("get_functions", funcNames != null, ex);
}
return funcNames;
}
@Override
public Function get_function(String dbName, String funcName)
throws MetaException, NoSuchObjectException, TException {
startFunction("get_function", ": " + dbName + "." + funcName);
RawStore ms = getMS();
Function func = null;
Exception ex = null;
try {
func = ms.getFunction(dbName, funcName);
if (func == null) {
throw new NoSuchObjectException(
"Function " + dbName + "." + funcName + " does not exist");
}
} catch (Exception e) {
ex = e;
throw newMetaException(e);
} finally {
endFunction("get_database", func != null, ex);
}
return func;
}
// Transaction and locking methods
@Override
public GetOpenTxnsResponse get_open_txns() throws TException {
try {
return getTxnHandler().getOpenTxns();
} catch (MetaException e) {
throw new TException(e);
}
}
// Transaction and locking methods
@Override
public GetOpenTxnsInfoResponse get_open_txns_info() throws TException {
try {
return getTxnHandler().getOpenTxnsInfo();
} catch (MetaException e) {
throw new TException(e);
}
}
@Override
public OpenTxnsResponse open_txns(OpenTxnRequest rqst) throws TException {
try {
return getTxnHandler().openTxns(rqst);
} catch (MetaException e) {
throw new TException(e);
}
}
@Override
public void abort_txn(AbortTxnRequest rqst) throws NoSuchTxnException, TException {
try {
getTxnHandler().abortTxn(rqst);
} catch (MetaException e) {
throw new TException(e);
}
}
@Override
public void commit_txn(CommitTxnRequest rqst)
throws NoSuchTxnException, TxnAbortedException, TException {
try {
getTxnHandler().commitTxn(rqst);
} catch (MetaException e) {
throw new TException(e);
}
}
@Override
public LockResponse lock(LockRequest rqst)
throws NoSuchTxnException, TxnAbortedException, TException {
try {
return getTxnHandler().lock(rqst);
} catch (MetaException e) {
throw new TException(e);
}
}
@Override
public LockResponse check_lock(CheckLockRequest rqst)
throws NoSuchTxnException, TxnAbortedException, NoSuchLockException, TException {
try {
return getTxnHandler().checkLock(rqst);
} catch (MetaException e) {
throw new TException(e);
}
}
@Override
public void unlock(UnlockRequest rqst)
throws NoSuchLockException, TxnOpenException, TException {
try {
getTxnHandler().unlock(rqst);
} catch (MetaException e) {
throw new TException(e);
}
}
@Override
public ShowLocksResponse show_locks(ShowLocksRequest rqst) throws TException {
try {
return getTxnHandler().showLocks(rqst);
} catch (MetaException e) {
throw new TException(e);
}
}
@Override
public void heartbeat(HeartbeatRequest ids)
throws NoSuchLockException, NoSuchTxnException, TxnAbortedException, TException {
try {
getTxnHandler().heartbeat(ids);
} catch (MetaException e) {
throw new TException(e);
}
}
@Override
public HeartbeatTxnRangeResponse heartbeat_txn_range(HeartbeatTxnRangeRequest rqst)
throws TException {
try {
return getTxnHandler().heartbeatTxnRange(rqst);
} catch (MetaException e) {
throw new TException(e);
}
}
@Override
public void compact(CompactionRequest rqst) throws TException {
try {
getTxnHandler().compact(rqst);
} catch (MetaException e) {
throw new TException(e);
}
}
@Override
public ShowCompactResponse show_compact(ShowCompactRequest rqst) throws TException {
try {
return getTxnHandler().showCompact(rqst);
} catch (MetaException e) {
throw new TException(e);
}
}
@Override
public GetPrincipalsInRoleResponse get_principals_in_role(GetPrincipalsInRoleRequest request)
throws MetaException, TException {
incrementCounter("get_principals_in_role");
Exception ex = null;
List<MRoleMap> roleMaps = null;
try {
roleMaps = getMS().listRoleMembers(request.getRoleName());
} catch (MetaException e) {
throw e;
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_principals_in_role", ex == null, ex);
}
return new GetPrincipalsInRoleResponse(getRolePrincipalGrants(roleMaps));
}
@Override
public GetRoleGrantsForPrincipalResponse get_role_grants_for_principal(
GetRoleGrantsForPrincipalRequest request) throws MetaException, TException {
incrementCounter("get_role_grants_for_principal");
Exception ex = null;
List<MRoleMap> roleMaps = null;
try {
roleMaps = getMS().listRoles(request.getPrincipal_name(), request.getPrincipal_type());
} catch (MetaException e) {
throw e;
} catch (Exception e) {
ex = e;
rethrowException(e);
} finally {
endFunction("get_role_grants_for_principal", ex == null, ex);
}
List<RolePrincipalGrant> roleGrantsList = getRolePrincipalGrants(roleMaps);
return new GetRoleGrantsForPrincipalResponse(roleGrantsList);
}
/**
* Convert each MRoleMap object into a thrift RolePrincipalGrant object
* @param roleMaps
* @return
*/
private List<RolePrincipalGrant> getRolePrincipalGrants(List<MRoleMap> roleMaps) {
List<RolePrincipalGrant> rolePrinGrantList = new ArrayList<RolePrincipalGrant>();
if (roleMaps != null) {
for (MRoleMap roleMap : roleMaps) {
RolePrincipalGrant rolePrinGrant = new RolePrincipalGrant(
roleMap.getRole().getRoleName(),
roleMap.getPrincipalName(),
PrincipalType.valueOf(roleMap.getPrincipalType()),
roleMap.getGrantOption(),
roleMap.getAddTime(),
roleMap.getGrantor(),
// no grantor type for public role, hence the null check
roleMap.getGrantorType() == null ? null
: PrincipalType.valueOf(roleMap.getGrantorType())
);
rolePrinGrantList.add(rolePrinGrant);
}
}
return rolePrinGrantList;
}
}
public static IHMSHandler newHMSHandler(String name, HiveConf hiveConf) throws MetaException {
return RetryingHMSHandler.getProxy(hiveConf, name);
}
/**
* Discard a current delegation token.
*
* @param tokenStrForm
* the token in string form
*/
public static void cancelDelegationToken(String tokenStrForm
) throws IOException {
saslServer.cancelDelegationToken(tokenStrForm);
}
/**
* Get a new delegation token.
*
* @param renewer
* the designated renewer
*/
public static String getDelegationToken(String owner, String renewer)
throws IOException, InterruptedException {
return saslServer.getDelegationToken(owner, renewer);
}
/**
* Renew a delegation token to extend its lifetime.
*
* @param tokenStrForm
* the token in string form
*/
public static long renewDelegationToken(String tokenStrForm
) throws IOException {
return saslServer.renewDelegationToken(tokenStrForm);
}
/**
* HiveMetaStore specific CLI
*
*/
static public class HiveMetastoreCli extends CommonCliOptions {
int port = DEFAULT_HIVE_METASTORE_PORT;
@SuppressWarnings("static-access")
public HiveMetastoreCli() {
super("hivemetastore", true);
// -p port
OPTIONS.addOption(OptionBuilder
.hasArg()
.withArgName("port")
.withDescription("Hive Metastore port number, default:"
+ DEFAULT_HIVE_METASTORE_PORT)
.create('p'));
}
@Override
public void parse(String[] args) {
super.parse(args);
// support the old syntax "hivemetastore [port]" but complain
args = commandLine.getArgs();
if (args.length > 0) {
// complain about the deprecated syntax -- but still run
System.err.println(
"This usage has been deprecated, consider using the new command "
+ "line syntax (run with -h to see usage information)");
port = new Integer(args[0]);
}
// notice that command line options take precedence over the
// deprecated (old style) naked args...
if (commandLine.hasOption('p')) {
port = Integer.parseInt(commandLine.getOptionValue('p'));
} else {
// legacy handling
String metastorePort = System.getenv("METASTORE_PORT");
if (metastorePort != null) {
port = Integer.parseInt(metastorePort);
}
}
}
}
/**
* @param args
*/
public static void main(String[] args) throws Throwable {
HiveMetastoreCli cli = new HiveMetastoreCli();
cli.parse(args);
final boolean isCliVerbose = cli.isVerbose();
// NOTE: It is critical to do this prior to initializing log4j, otherwise
// any log specific settings via hiveconf will be ignored
Properties hiveconf = cli.addHiveconfToSystemProperties();
// If the log4j.configuration property hasn't already been explicitly set,
// use Hive's default log4j configuration
if (System.getProperty("log4j.configuration") == null) {
// NOTE: It is critical to do this here so that log4j is reinitialized
// before any of the other core hive classes are loaded
try {
LogUtils.initHiveLog4j();
} catch (LogInitializationException e) {
HMSHandler.LOG.warn(e.getMessage());
}
}
try {
String msg = "Starting hive metastore on port " + cli.port;
HMSHandler.LOG.info(msg);
if (cli.isVerbose()) {
System.err.println(msg);
}
HiveConf conf = new HiveConf(HMSHandler.class);
// set all properties specified on the command line
for (Map.Entry<Object, Object> item : hiveconf.entrySet()) {
conf.set((String) item.getKey(), (String) item.getValue());
}
// Add shutdown hook.
Runtime.getRuntime().addShutdownHook(new Thread() {
@Override
public void run() {
String shutdownMsg = "Shutting down hive metastore.";
HMSHandler.LOG.info(shutdownMsg);
if (isCliVerbose) {
System.err.println(shutdownMsg);
}
}
});
Lock startLock = new ReentrantLock();
Condition startCondition = startLock.newCondition();
MetaStoreThread.BooleanPointer startedServing = new MetaStoreThread.BooleanPointer();
startMetaStoreThreads(conf, startLock, startCondition, startedServing);
startMetaStore(cli.port, ShimLoader.getHadoopThriftAuthBridge(), conf, startLock,
startCondition, startedServing);
} catch (Throwable t) {
// Catch the exception, log it and rethrow it.
HMSHandler.LOG
.error("Metastore Thrift Server threw an exception...", t);
throw t;
}
}
/**
* Start Metastore based on a passed {@link HadoopThriftAuthBridge}
*
* @param port
* @param bridge
* @throws Throwable
*/
public static void startMetaStore(int port, HadoopThriftAuthBridge bridge)
throws Throwable {
startMetaStore(port, bridge, new HiveConf(HMSHandler.class), null, null, null);
}
/**
* Start the metastore store.
* @param port
* @param bridge
* @param conf
* @throws Throwable
*/
public static void startMetaStore(int port, HadoopThriftAuthBridge bridge,
HiveConf conf) throws Throwable {
startMetaStore(port, bridge, conf, null, null, null);
}
/**
* Start Metastore based on a passed {@link HadoopThriftAuthBridge}
*
* @param port
* @param bridge
* @param conf
* configuration overrides
* @throws Throwable
*/
public static void startMetaStore(int port, HadoopThriftAuthBridge bridge,
HiveConf conf, Lock startLock, Condition startCondition,
MetaStoreThread.BooleanPointer startedServing) throws Throwable {
try {
// Server will create new threads up to max as necessary. After an idle
// period, it will destory threads to keep the number of threads in the
// pool to min.
int minWorkerThreads = conf.getIntVar(HiveConf.ConfVars.METASTORESERVERMINTHREADS);
int maxWorkerThreads = conf.getIntVar(HiveConf.ConfVars.METASTORESERVERMAXTHREADS);
boolean tcpKeepAlive = conf.getBoolVar(HiveConf.ConfVars.METASTORE_TCP_KEEP_ALIVE);
boolean useFramedTransport = conf.getBoolVar(ConfVars.METASTORE_USE_THRIFT_FRAMED_TRANSPORT);
useSasl = conf.getBoolVar(HiveConf.ConfVars.METASTORE_USE_THRIFT_SASL);
TServerTransport serverTransport = tcpKeepAlive ?
new TServerSocketKeepAlive(port) : new TServerSocket(port);
TProcessor processor;
TTransportFactory transFactory;
if (useSasl) {
// we are in secure mode.
if (useFramedTransport) {
throw new HiveMetaException("Framed transport is not supported with SASL enabled.");
}
saslServer = bridge.createServer(
conf.getVar(HiveConf.ConfVars.METASTORE_KERBEROS_KEYTAB_FILE),
conf.getVar(HiveConf.ConfVars.METASTORE_KERBEROS_PRINCIPAL));
// start delegation token manager
HMSHandler hmsHandler = new HMSHandler("new db based metaserver", conf);
saslServer.startDelegationTokenSecretManager(conf, hmsHandler);
transFactory = saslServer.createTransportFactory(
MetaStoreUtils.getMetaStoreSaslProperties(conf));
processor = saslServer.wrapProcessor(
new ThriftHiveMetastore.Processor<HMSHandler>(hmsHandler));
LOG.info("Starting DB backed MetaStore Server in Secure Mode");
} else {
// we are in unsecure mode.
IHMSHandler handler = newHMSHandler("new db based metaserver", conf);
if (conf.getBoolVar(ConfVars.METASTORE_EXECUTE_SET_UGI)) {
transFactory = useFramedTransport ?
new ChainedTTransportFactory(new TFramedTransport.Factory(),
new TUGIContainingTransport.Factory())
: new TUGIContainingTransport.Factory();
processor = new TUGIBasedProcessor<IHMSHandler>(handler);
LOG.info("Starting DB backed MetaStore Server with SetUGI enabled");
} else {
transFactory = useFramedTransport ?
new TFramedTransport.Factory() : new TTransportFactory();
processor = new TSetIpAddressProcessor<IHMSHandler>(handler);
LOG.info("Starting DB backed MetaStore Server");
}
}
TThreadPoolServer.Args args = new TThreadPoolServer.Args(serverTransport)
.processor(processor)
.transportFactory(transFactory)
.protocolFactory(new TBinaryProtocol.Factory())
.minWorkerThreads(minWorkerThreads)
.maxWorkerThreads(maxWorkerThreads);
TServer tServer = new TThreadPoolServer(args);
HMSHandler.LOG.info("Started the new metaserver on port [" + port
+ "]...");
HMSHandler.LOG.info("Options.minWorkerThreads = "
+ minWorkerThreads);
HMSHandler.LOG.info("Options.maxWorkerThreads = "
+ maxWorkerThreads);
HMSHandler.LOG.info("TCP keepalive = " + tcpKeepAlive);
if (startLock != null) {
signalOtherThreadsToStart(tServer, startLock, startCondition, startedServing);
}
tServer.serve();
} catch (Throwable x) {
x.printStackTrace();
HMSHandler.LOG.error(StringUtils.stringifyException(x));
throw x;
}
}
private static void signalOtherThreadsToStart(final TServer server, final Lock startLock,
final Condition startCondition,
final MetaStoreThread.BooleanPointer startedServing) {
// A simple thread to wait until the server has started and then signal the other threads to
// begin
Thread t = new Thread() {
@Override
public void run() {
do {
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
LOG.warn("Signalling thread was interuppted: " + e.getMessage());
}
} while (!server.isServing());
startLock.lock();
try {
startedServing.boolVal = true;
startCondition.signalAll();
} finally {
startLock.unlock();
}
}
};
t.start();
}
/**
* Start threads outside of the thrift service, such as the compactor threads.
* @param conf Hive configuration object
*/
private static void startMetaStoreThreads(final HiveConf conf, final Lock startLock,
final Condition startCondition, final
MetaStoreThread.BooleanPointer startedServing) {
// A thread is spun up to start these other threads. That's because we can't start them
// until after the TServer has started, but once TServer.serve is called we aren't given back
// control.
Thread t = new Thread() {
@Override
public void run() {
// This is a massive hack. The compactor threads have to access packages in ql (such as
// AcidInputFormat). ql depends on metastore so we can't directly access those. To deal
// with this the compactor thread classes have been put in ql and they are instantiated here
// dyanmically. This is not ideal but it avoids a massive refactoring of Hive packages.
//
// Wrap the start of the threads in a catch Throwable loop so that any failures
// don't doom the rest of the metastore.
startLock.lock();
try {
// Per the javadocs on Condition, do not depend on the condition alone as a start gate
// since spurious wake ups are possible.
while (!startedServing.boolVal) startCondition.await();
startCompactorInitiator(conf);
startCompactorWorkers(conf);
startCompactorCleaner(conf);
} catch (Throwable e) {
LOG.error("Failure when starting the compactor, compactions may not happen, " +
StringUtils.stringifyException(e));
} finally {
startLock.unlock();
}
}
};
t.start();
}
private static void startCompactorInitiator(HiveConf conf) throws Exception {
if (HiveConf.getBoolVar(conf, HiveConf.ConfVars.HIVE_COMPACTOR_INITIATOR_ON)) {
MetaStoreThread initiator =
instantiateThread("org.apache.hadoop.hive.ql.txn.compactor.Initiator");
initializeAndStartThread(initiator, conf);
}
}
private static void startCompactorWorkers(HiveConf conf) throws Exception {
int numWorkers = HiveConf.getIntVar(conf, HiveConf.ConfVars.HIVE_COMPACTOR_WORKER_THREADS);
for (int i = 0; i < numWorkers; i++) {
MetaStoreThread worker =
instantiateThread("org.apache.hadoop.hive.ql.txn.compactor.Worker");
initializeAndStartThread(worker, conf);
}
}
private static void startCompactorCleaner(HiveConf conf) throws Exception {
if (HiveConf.getBoolVar(conf, HiveConf.ConfVars.HIVE_COMPACTOR_INITIATOR_ON)) {
MetaStoreThread cleaner =
instantiateThread("org.apache.hadoop.hive.ql.txn.compactor.Cleaner");
initializeAndStartThread(cleaner, conf);
}
}
private static MetaStoreThread instantiateThread(String classname) throws Exception {
Class c = Class.forName(classname);
Object o = c.newInstance();
if (MetaStoreThread.class.isAssignableFrom(o.getClass())) {
return (MetaStoreThread)o;
} else {
String s = classname + " is not an instance of MetaStoreThread.";
LOG.error(s);
throw new IOException(s);
}
}
private static int nextThreadId = 1000000;
private static void initializeAndStartThread(MetaStoreThread thread, HiveConf conf) throws
MetaException {
LOG.info("Starting metastore thread of type " + thread.getClass().getName());
thread.setHiveConf(conf);
thread.setThreadId(nextThreadId++);
thread.init(new MetaStoreThread.BooleanPointer());
thread.start();
}
}