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

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

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      }
    } catch (HiveException e) {
      throw new SemanticException(ErrorMsg.INVALID_TABLE.getMsg(tableName));
    }

    DropTableDesc dropTblDesc = new DropTableDesc(tableName, expectView);
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
        dropTblDesc), conf));
  }
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  private void analyzeAlterTableDropParts(ASTNode ast) throws SemanticException {
    String tblName = getUnescapedName((ASTNode)ast.getChild(0));
    // get table metadata
    List<Map<String, String>> partSpecs = getPartitionSpecs(ast);
    DropTableDesc dropTblDesc = new DropTableDesc(tblName, partSpecs);

    try {
      Table tab = db.getTable(db.getCurrentDatabase(), tblName, false);
      if (tab != null) {
        inputs.add(new ReadEntity(tab));
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      CreateTableLikeDesc crtTblLike = work.getCreateTblLikeDesc();
      if (crtTblLike != null) {
        return createTableLike(db, crtTblLike);
      }

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

      AlterTableDesc alterTbl = work.getAlterTblDesc();
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    // TODO: add alter database support in HCat

    // Table operations.

    DropTableDesc dropTable = work.getDropTblDesc();
    if (dropTable != null) {
      if (dropTable.getPartSpecs() == null) {
        // drop table is already enforced by Hive. We only check for table level location even if the
        // table is partitioned.
      } else {
        //this is actually a ALTER TABLE DROP PARITITION statement
        for (DropTableDesc.PartSpec partSpec : dropTable.getPartSpecs()) {
          // partitions are not added as write entries in drop partitions in Hive
          Table table = hive.getTable(SessionState.get().getCurrentDatabase(), dropTable.getTableName());
          List<Partition> partitions = null;
          try {
            partitions = hive.getPartitionsByFilter(table, partSpec.getPartSpec().getExprString());
          } catch (Exception e) {
            throw new HiveException(e);
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      inputs.add(new ReadEntity(tab));
      outputs.add(new WriteEntity(tab, WriteEntity.WriteType.DDL_EXCLUSIVE));
    }

    boolean ifPurge = (ast.getFirstChildWithType(HiveParser.KW_PURGE) != null);
    DropTableDesc dropTblDesc = new DropTableDesc(tableName, expectView, ifExists, ifPurge);
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
        dropTblDesc), conf));
  }
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    inputs.add(re);

    boolean ignoreProtection = ast.getFirstChildWithType(HiveParser.TOK_IGNOREPROTECTION) != null;
    addTableDropPartsOutputs(tab, partSpecs.values(), !ifExists, ignoreProtection);

    DropTableDesc dropTblDesc =
        new DropTableDesc(getDotName(qualified), partSpecs, expectView, ignoreProtection);
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(), dropTblDesc), conf));
  }
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      CreateTableLikeDesc crtTblLike = work.getCreateTblLikeDesc();
      if (crtTblLike != null) {
        return createTableLike(db, crtTblLike);
      }

      DropTableDesc dropTbl = work.getDropTblDesc();
      if (dropTbl != null) {
        dropTableOrPartitions(db, dropTbl);
        return 0;
      }
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      CreateTableLikeDesc crtTblLike = work.getCreateTblLikeDesc();
      if (crtTblLike != null) {
        return createTableLike(db, crtTblLike);
      }

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

      AlterTableDesc alterTbl = work.getAlterTblDesc();
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    if (tab != null) {
      inputs.add(new ReadEntity(tab));
      outputs.add(new WriteEntity(tab, WriteEntity.WriteType.DDL_EXCLUSIVE));
    }

    DropTableDesc dropTblDesc = new DropTableDesc(tableName, expectView, ifExists);
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(),
        dropTblDesc), conf));
  }
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    inputs.add(new ReadEntity(tab));

    boolean ignoreProtection = ast.getFirstChildWithType(HiveParser.TOK_IGNOREPROTECTION) != null;
    addTableDropPartsOutputs(tab, partSpecs.values(), !ifExists, ignoreProtection);

    DropTableDesc dropTblDesc =
        new DropTableDesc(tblName, partSpecs, expectView, ignoreProtection);
    rootTasks.add(TaskFactory.get(new DDLWork(getInputs(), getOutputs(), dropTblDesc), conf));
  }
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Related Classes of org.apache.hadoop.hive.ql.plan.dropTableDesc

  • 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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