package org.apache.cassandra.stress.operations;
/*
*
* 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.
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*/
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
import com.yammer.metrics.core.TimerContext;
import org.apache.cassandra.db.ColumnFamilyType;
import org.apache.cassandra.stress.Session;
import org.apache.cassandra.stress.util.CassandraClient;
import org.apache.cassandra.stress.util.Operation;
import org.apache.cassandra.thrift.Compression;
import org.apache.cassandra.utils.UUIDGen;
public class CqlInserter extends Operation
{
private static List<ByteBuffer> values;
private static String cqlQuery = null;
public CqlInserter(Session client, int idx)
{
super(client, idx);
}
public void run(CassandraClient client) throws IOException
{
if (session.getColumnFamilyType() == ColumnFamilyType.Super)
throw new RuntimeException("Super columns are not implemented for CQL");
if (values == null)
values = generateValues();
// Construct a query string once.
if (cqlQuery == null)
{
StringBuilder query = new StringBuilder("UPDATE ").append(wrapInQuotesIfRequired("Standard1"));
if (session.cqlVersion.startsWith("2"))
query.append(" USING CONSISTENCY ").append(session.getConsistencyLevel().toString());
query.append(" SET ");
for (int i = 0; i < session.getColumnsPerKey(); i++)
{
if (i > 0)
query.append(',');
if (session.timeUUIDComparator)
{
if (session.cqlVersion.startsWith("3"))
throw new UnsupportedOperationException("Cannot use UUIDs in column names with CQL3");
query.append(wrapInQuotesIfRequired(UUIDGen.getTimeUUID().toString()))
.append(" = ?");
}
else
{
query.append(wrapInQuotesIfRequired("C" + i)).append(" = ?");
}
}
query.append(" WHERE KEY=?");
cqlQuery = query.toString();
}
List<String> queryParms = new ArrayList<String>();
for (int i = 0; i < session.getColumnsPerKey(); i++)
{
// Column value
queryParms.add(getUnQuotedCqlBlob(values.get(i % values.size()).array()));
}
String key = String.format("%0" + session.getTotalKeysLength() + "d", index);
queryParms.add(getUnQuotedCqlBlob(key));
String formattedQuery = null;
TimerContext context = session.latency.time();
boolean success = false;
String exceptionMessage = null;
for (int t = 0; t < session.getRetryTimes(); t++)
{
if (success)
break;
try
{
if (session.usePreparedStatements())
{
Integer stmntId = getPreparedStatement(client, cqlQuery);
if (session.cqlVersion.startsWith("3"))
client.execute_prepared_cql3_query(stmntId, queryParamsAsByteBuffer(queryParms), session.getConsistencyLevel());
else
client.execute_prepared_cql_query(stmntId, queryParamsAsByteBuffer(queryParms));
}
else
{
if (formattedQuery == null)
formattedQuery = formatCqlQuery(cqlQuery, queryParms);
if (session.cqlVersion.startsWith("3"))
client.execute_cql3_query(ByteBuffer.wrap(formattedQuery.getBytes()), Compression.NONE, session.getConsistencyLevel());
else
client.execute_cql_query(ByteBuffer.wrap(formattedQuery.getBytes()), Compression.NONE);
}
success = true;
}
catch (Exception e)
{
exceptionMessage = getExceptionMessage(e);
success = false;
}
}
if (!success)
{
error(String.format("Operation [%d] retried %d times - error inserting key %s %s%n with query %s",
index,
session.getRetryTimes(),
key,
(exceptionMessage == null) ? "" : "(" + exceptionMessage + ")",
cqlQuery));
}
session.operations.getAndIncrement();
session.keys.getAndIncrement();
context.stop();
}
}