Package org.apache.hadoop.hive.ql.plan

Examples of org.apache.hadoop.hive.ql.plan.AlterTableDesc

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                    }
                }
            }
        }

        AlterTableDesc alterTable = work.getAlterTblDesc();
        if (alterTable != null) {
            Table table = hive.getTable(hive.getCurrentDatabase(), alterTable.getOldName(), false);

            Partition part = null;
            if (alterTable.getPartSpec() != null) {
                part = hive.getPartition(table, alterTable.getPartSpec(), false);
            }

            String newLocation = alterTable.getNewLocation();

            /* Hcat requires ALTER_DATA privileges for ALTER TABLE LOCATION statements
            * for the old table/partition location and the new location.
            */
            if (alterTable.getOp() == AlterTableDesc.AlterTableTypes.ALTERLOCATION) {
                if (part != null) {
                    authorize(part, Privilege.ALTER_DATA); // authorize for the old
                    // location, and new location
                    part.setLocation(newLocation);
                    authorize(part, Privilege.ALTER_DATA);
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      DropTableDesc dropTbl = work.getDropTblDesc();
      if (dropTbl != null) {
        return dropTable(db, dropTbl);
      }

      AlterTableDesc alterTbl = work.getAlterTblDesc();
      if (alterTbl != null) {
        return alterTable(db, alterTbl);
      }

      CreateViewDesc crtView = work.getCreateViewDesc();
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      DropTableDesc dropTbl = work.getDropTblDesc();
      if (dropTbl != null) {
        return dropTable(db, dropTbl);
      }

      AlterTableDesc alterTbl = work.getAlterTblDesc();
      if (alterTbl != null) {
        return alterTable(db, alterTbl);
      }

      CreateViewDesc crtView = work.getCreateViewDesc();
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    throws SemanticException {

    String tableName = getUnescapedName((ASTNode)ast.getChild(0));
    HashMap<String, String> mapProp = getProps((ASTNode) (ast.getChild(1))
        .getChild(0));
    AlterTableDesc alterTblDesc =
      new AlterTableDesc(AlterTableTypes.ADDPROPS, expectView);
    alterTblDesc.setProps(mapProp);
    alterTblDesc.setOldName(tableName);

    try {
      Table tab = db.getTable(db.getCurrentDatabase(), tableName, false);
      if (tab != null) {
        inputs.add(new ReadEntity(tab));
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  private void analyzeAlterTableSerdeProps(ASTNode ast, String tableName,
      HashMap<String, String> partSpec)
      throws SemanticException {
    HashMap<String, String> mapProp = getProps((ASTNode) (ast.getChild(0))
        .getChild(0));
    AlterTableDesc alterTblDesc = new AlterTableDesc(
        AlterTableTypes.ADDSERDEPROPS);
    alterTblDesc.setProps(mapProp);
    alterTblDesc.setOldName(tableName);
    alterTblDesc.setPartSpec(partSpec);

    addInputsOutputsAlterTable(tableName, partSpec);
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
        alterTblDesc), conf));
  }
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  private void analyzeAlterTableSerde(ASTNode ast, String tableName,
      HashMap<String, String> partSpec)
      throws SemanticException {

    String serdeName = unescapeSQLString(ast.getChild(0).getText());
    AlterTableDesc alterTblDesc = new AlterTableDesc(AlterTableTypes.ADDSERDE);
    if (ast.getChildCount() > 1) {
      HashMap<String, String> mapProp = getProps((ASTNode) (ast.getChild(1))
          .getChild(0));
      alterTblDesc.setProps(mapProp);
    }
    alterTblDesc.setOldName(tableName);
    alterTblDesc.setSerdeName(serdeName);
    alterTblDesc.setPartSpec(partSpec);

    addInputsOutputsAlterTable(tableName, partSpec);
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
        alterTblDesc), conf));
  }
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    case HiveParser.TOK_FILEFORMAT_GENERIC:
      handleGenericFileFormat(child);
      break;
    }

    AlterTableDesc alterTblDesc = new AlterTableDesc(tableName, inputFormat,
        outputFormat, serde, storageHandler, partSpec);

    addInputsOutputsAlterTable(tableName, partSpec);
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
        alterTblDesc), conf));
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  private void analyzeAlterTableLocation(ASTNode ast, String tableName,
      HashMap<String, String> partSpec) throws SemanticException {

    String newLocation = unescapeSQLString(ast.getChild(0).getText());

    AlterTableDesc alterTblDesc = new AlterTableDesc (tableName, newLocation, partSpec);

    addInputsOutputsAlterTable(tableName, partSpec);
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
        alterTblDesc), conf));
  }
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  private void analyzeAlterTableProtectMode(ASTNode ast, String tableName,
      HashMap<String, String> partSpec)
      throws SemanticException {

    AlterTableDesc alterTblDesc =
      new AlterTableDesc(AlterTableTypes.ALTERPROTECTMODE);

    alterTblDesc.setOldName(tableName);
    alterTblDesc.setPartSpec(partSpec);

    ASTNode child = (ASTNode) ast.getChild(0);

    switch (child.getToken().getType()) {
    case HiveParser.TOK_ENABLE:
      alterTblDesc.setProtectModeEnable(true);
      break;
    case HiveParser.TOK_DISABLE:
      alterTblDesc.setProtectModeEnable(false);
      break;
    default:
      throw new SemanticException(
          "Set Protect mode Syntax parsing error.");
    }

    ASTNode grandChild = (ASTNode) child.getChild(0);
    switch (grandChild.getToken().getType()) {
    case HiveParser.TOK_OFFLINE:
      alterTblDesc.setProtectModeType(AlterTableDesc.ProtectModeType.OFFLINE);
      break;
    case HiveParser.TOK_NO_DROP:
      if (grandChild.getChildCount() > 0) {
        alterTblDesc.setProtectModeType(AlterTableDesc.ProtectModeType.NO_DROP_CASCADE);
      }
      else {
        alterTblDesc.setProtectModeType(AlterTableDesc.ProtectModeType.NO_DROP);
      }
      break;
    case HiveParser.TOK_READONLY:
      throw new SemanticException(
          "Potect mode READONLY is not implemented");
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  }

  private void analyzeAlterTableProps(ASTNode ast) throws SemanticException {
    String tableName = unescapeIdentifier(ast.getChild(0).getText());   
    HashMap<String, String> mapProp = getProps((ASTNode)(ast.getChild(1)).getChild(0));
    alterTableDesc alterTblDesc = new alterTableDesc(alterTableTypes.ADDPROPS);
    alterTblDesc.setProps(mapProp);
    alterTblDesc.setOldName(tableName);
    rootTasks.add(TaskFactory.get(new DDLWork(alterTblDesc), conf));
  }
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Related Classes of org.apache.hadoop.hive.ql.plan.AlterTableDesc

  • org.apache.hadoop.hive.ql.exec.DDLTask
  • org.apache.hadoop.hive.ql.parse.DDLSemanticAnalyzer
  • org.apache.hcatalog.cli.SemanticAnalysis.HCatSemanticAnalyzer
  • org.apache.hive.hcatalog.cli.SemanticAnalysis.HCatSemanticAnalyzer
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