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

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

  private void analyzeAlterTableSerdeProps(ASTNode ast)
      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.ADDSERDEPROPS);
    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 analyzeAlterTableSerde(ASTNode ast) throws SemanticException {
    String tableName = getUnescapedName((ASTNode)ast.getChild(0));
    String serdeName = unescapeSQLString(ast.getChild(1).getText());
    AlterTableDesc alterTblDesc = new AlterTableDesc(AlterTableTypes.ADDSERDE);
    if (ast.getChildCount() > 2) {
      HashMap<String, String> mapProp = getProps((ASTNode) (ast.getChild(2))
          .getChild(0));
      alterTblDesc.setProps(mapProp);
    }
    alterTblDesc.setOldName(tableName);
    alterTblDesc.setSerdeName(serdeName);


    try {
      Table tab = db.getTable(db.getCurrentDatabase(), tableName, false);
      if (tab != null) {
        inputs.add(new ReadEntity(tab));

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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:
      alterTblDesc.setProtectModeType(AlterTableDesc.ProtectModeType.NO_DROP);
      break;
    case HiveParser.TOK_READONLY:
      throw new SemanticException(
          "Potect mode READONLY is not implemented");
    default:

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      throw new SemanticException(ErrorMsg.INVALID_TABLE.getMsg(tableName));
    }


    if (ast.getChildCount() == 1) {
      // This means that we want to turn off bucketing
      AlterTableDesc alterTblDesc = new AlterTableDesc(tableName, -1,
          new ArrayList<String>(), new ArrayList<Order>());
      rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
          alterTblDesc), conf));
    } else {
      ASTNode buckets = (ASTNode) ast.getChild(1);
      List<String> bucketCols = getColumnNames((ASTNode) buckets.getChild(0));
      List<Order> sortCols = new ArrayList<Order>();
      int numBuckets = -1;
      if (buckets.getChildCount() == 2) {
        numBuckets = (Integer.valueOf(buckets.getChild(1).getText())).intValue();
      } else {
        sortCols = getColumnNamesOrder((ASTNode) buckets.getChild(1));
        numBuckets = (Integer.valueOf(buckets.getChild(2).getText())).intValue();
      }
      if (numBuckets <= 0) {
        throw new SemanticException(ErrorMsg.INVALID_BUCKET_NUMBER.getMsg());
      }
      AlterTableDesc alterTblDesc = new AlterTableDesc(tableName, numBuckets,
          bucketCols, sortCols);
      rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
          alterTblDesc), conf));
    }
  }

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  }




  private void analyzeAlterTableRename(ASTNode ast, boolean expectView) throws SemanticException {
    String tblName = getUnescapedName((ASTNode)ast.getChild(0));
    AlterTableDesc alterTblDesc = new AlterTableDesc(tblName,
        getUnescapedName((ASTNode)ast.getChild(1)), expectView);
    try {
      Table tab = db.getTable(db.getCurrentDatabase(), tblName, false);
      if (tab != null) {
        inputs.add(new ReadEntity(tab));

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      } else {
        flagCol = unescapeIdentifier(positionNode.getChild(0).getText());
      }
    }


    AlterTableDesc alterTblDesc = new AlterTableDesc(tblName,
        unescapeIdentifier(ast.getChild(1).getText()), unescapeIdentifier(ast
        .getChild(2).getText()), newType, newComment, first, flagCol);


    try {
      Table tab = db.getTable(db.getCurrentDatabase(), tblName, false);

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  private void analyzeAlterTableModifyCols(ASTNode ast,
      AlterTableTypes alterType) throws SemanticException {
    String tblName = getUnescapedName((ASTNode)ast.getChild(0));
    List<FieldSchema> newCols = getColumns((ASTNode) ast.getChild(1));
    AlterTableDesc alterTblDesc = new AlterTableDesc(tblName, newCols,
        alterType);


    try {
      Table tab = db.getTable(db.getCurrentDatabase(), tblName, false);
      if (tab != null) {

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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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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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