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

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

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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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      if (dropTbl != null) {
        dropTableOrPartitions(db, dropTbl);
        return 0;
      }

      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);

    addInputsOutputsAlterTable(tableName, null, alterTblDesc);

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