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

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

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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);

    addInputsOutputsAlterTable(tblName, null, alterTblDesc);
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
        alterTblDesc), conf));
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        && skewInfo.getSkewedColNames().contains(oldColName)) {
      throw new SemanticException(oldColName
          + ErrorMsg.ALTER_TABLE_NOT_ALLOWED_RENAME_SKEWED_COLUMN.getMsg());
    }

    AlterTableDesc alterTblDesc = new AlterTableDesc(tblName,
        unescapeIdentifier(oldColName), unescapeIdentifier(newColName),
        newType, newComment, first, flagCol);
    addInputsOutputsAlterTable(tblName, null, alterTblDesc);

    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
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    }
    validateAlterTableType(tab, AlterTableTypes.ALTERBUCKETNUM);
    inputs.add(new ReadEntity(tab));

    int bucketNum = Integer.parseInt(ast.getChild(0).getText());
    AlterTableDesc alterBucketNum = new AlterTableDesc(tblName, partSpec, bucketNum);

    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
        alterBucketNum), conf));
  }
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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);

    addInputsOutputsAlterTable(tblName, null, alterTblDesc);
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
        alterTblDesc), conf));
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    validateAlterTableType(tab, AlterTableTypes.ADDSKEWEDBY);

    if (ast.getChildCount() == 1) {
      /* Convert a skewed table to non-skewed table. */
      AlterTableDesc alterTblDesc = new AlterTableDesc(tableName, true,
          new ArrayList<String>(), new ArrayList<List<String>>());
      alterTblDesc.setStoredAsSubDirectories(false);
      rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
          alterTblDesc), conf));
    } else {
      switch (((ASTNode) ast.getChild(1)).getToken().getType()) {
      case HiveParser.TOK_TABLESKEWED:
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    List<List<String>> skewedColValues = tab.getSkewedColValues();
    if ((skewedColNames == null) || (skewedColNames.size() == 0) || (skewedColValues == null)
        || (skewedColValues.size() == 0)) {
      throw new SemanticException(ErrorMsg.ALTER_TBL_STOREDASDIR_NOT_SKEWED.getMsg(tableName));
    }
    AlterTableDesc alterTblDesc = new AlterTableDesc(tableName, false,
        skewedColNames, skewedColValues);
    alterTblDesc.setStoredAsSubDirectories(false);
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
        alterTblDesc), conf));
  }
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    analyzeDDLSkewedValues(skewedValues, skewedNode);
    // stored as directories
    boolean storedAsDirs = analyzeStoredAdDirs(skewedNode);


    AlterTableDesc alterTblDesc = new AlterTableDesc(tableName, false,
        skewedColNames, skewedValues);
    alterTblDesc.setStoredAsSubDirectories(storedAsDirs);
    /**
     * Validate information about skewed table
     */
    alterTblDesc.setTable(tab);
    alterTblDesc.validate();
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
        alterTblDesc), conf));
  }
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            }
          }
        }
      }
    }
    AlterTableDesc alterTblDesc = new AlterTableDesc(tableName, locations, partSpec);
    addInputsOutputsAlterTable(tableName, partSpec);
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
        alterTblDesc), conf));
  }
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          }
        }
      }
    }

    AlterTableDesc alterTable = work.getAlterTblDesc();
    if (alterTable != null) {
      Table table = hive.getTable(SessionState.get().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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    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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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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