Package org.apache.hadoop.hive.ql.exec

Examples of org.apache.hadoop.hive.ql.exec.HashTableDummyOperator

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        // keep the parent id correct
        smallTablesParentOp.add(parent);

        // create an new operator: HashTable DummyOpeator, which share the table desc
        HashTableDummyDesc desc = new HashTableDummyDesc();
        HashTableDummyOperator dummyOp = (HashTableDummyOperator) OperatorFactory.get(desc);
        TableDesc tbl;

        if (parent.getSchema() == null) {
          if (parent instanceof TableScanOperator) {
            tbl = ((TableScanOperator) parent).getTableDesc();
          } else {
            throw new SemanticException();
          }
        } else {
          // get parent schema
          RowSchema rowSchema = parent.getSchema();
          tbl = PlanUtils.getIntermediateFileTableDesc(PlanUtils.getFieldSchemasFromRowSchema(
              rowSchema, ""));
        }
        dummyOp.getConf().setTbl(tbl);
        // let the dummy op be the parent of mapjoin op
        mapJoinOp.replaceParent(parent, dummyOp);
        List<Operator<? extends OperatorDesc>> dummyChildren =
          new ArrayList<Operator<? extends OperatorDesc>>();
        dummyChildren.add(mapJoinOp);
        dummyOp.setChildOperators(dummyChildren);
        // add this dummy op to the dummp operator list
        dummyOperators.add(dummyOp);
      }
      hashTableSinkOp.setParentOperators(smallTablesParentOp);
      for (Operator<? extends OperatorDesc> op : dummyOperators) {
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        // keep the parent id correct
        smallTablesParentOp.add(parent);

        // create an new operator: HashTable DummyOpeator, which share the table desc
        HashTableDummyDesc desc = new HashTableDummyDesc();
        HashTableDummyOperator dummyOp = (HashTableDummyOperator) OperatorFactory.get(desc);
        TableDesc tbl;

        if (parent.getSchema() == null) {
          if (parent instanceof TableScanOperator) {
            tbl = ((TableScanOperator) parent).getTableDesc();
          } else {
            throw new SemanticException();
          }
        } else {
          // get parent schema
          RowSchema rowSchema = parent.getSchema();
          tbl = PlanUtils.getIntermediateFileTableDesc(PlanUtils.getFieldSchemasFromRowSchema(
              rowSchema, ""));
        }
        dummyOp.getConf().setTbl(tbl);
        // let the dummy op be the parent of mapjoin op
        mapJoinOp.replaceParent(parent, dummyOp);
        List<Operator<? extends Serializable>> dummyChildren = new ArrayList<Operator<? extends Serializable>>();
        dummyChildren.add(mapJoinOp);
        dummyOp.setChildOperators(dummyChildren);
        // add this dummy op to the dummp operator list
        dummyOperators.add(dummyOp);
      }
      hashTableSinkOp.setParentOperators(smallTablesParentOp);
      for (Operator<? extends Serializable> op : dummyOperators) {
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          parent.setChildOperators(null);
        }

        // create an new operator: HashTable DummyOpeator, which share the table desc
        HashTableDummyDesc desc = new HashTableDummyDesc();
        HashTableDummyOperator dummyOp = (HashTableDummyOperator) OperatorFactory.get(desc);
        TableDesc tbl;

        if (parent.getSchema() == null) {
          if (parent instanceof TableScanOperator) {
            tbl = ((TableScanOperator) parent).getTableDesc();
          } else {
            throw new SemanticException("Expected parent operator of type TableScanOperator." +
              "Found " + parent.getClass().getName() + " instead.");
          }
        } else {
          // get parent schema
          RowSchema rowSchema = parent.getSchema();
          tbl = PlanUtils.getIntermediateFileTableDesc(PlanUtils.getFieldSchemasFromRowSchema(
              rowSchema, ""));
        }
        dummyOp.getConf().setTbl(tbl);
        // let the dummy op be the parent of mapjoin op
        mapJoinOp.replaceParent(parent, dummyOp);
        List<Operator<? extends OperatorDesc>> dummyChildren =
          new ArrayList<Operator<? extends OperatorDesc>>();
        dummyChildren.add(mapJoinOp);
        dummyOp.setChildOperators(dummyChildren);
        // add this dummy op to the dummp operator list
        dummyOperators.add(dummyOp);
      }
      hashTableSinkOp.setParentOperators(smallTablesParentOp);
      for (Operator<? extends OperatorDesc> op : dummyOperators) {
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    List<Operator<? extends OperatorDesc>> dummyOperators =
        new ArrayList<Operator<? extends OperatorDesc>>();

    // create an new operator: HashTableDummyOperator, which share the table desc
    HashTableDummyDesc desc = new HashTableDummyDesc();
    @SuppressWarnings("unchecked")
    HashTableDummyOperator dummyOp = (HashTableDummyOperator) OperatorFactory.get(desc);
    TableDesc tbl;

    // need to create the correct table descriptor for key/value
    RowSchema rowSchema = parentRS.getParentOperators().get(0).getSchema();
    tbl = PlanUtils.getReduceValueTableDesc(PlanUtils.getFieldSchemasFromRowSchema(rowSchema, ""));
    dummyOp.getConf().setTbl(tbl);

    Map<Byte, List<ExprNodeDesc>> keyExprMap = mapJoinOp.getConf().getKeys();
    List<ExprNodeDesc> keyCols = keyExprMap.get(Byte.valueOf((byte) 0));
    StringBuffer keyOrder = new StringBuffer();
    for (ExprNodeDesc k: keyCols) {
      keyOrder.append("+");
    }
    TableDesc keyTableDesc = PlanUtils.getReduceKeyTableDesc(PlanUtils
        .getFieldSchemasFromColumnList(keyCols, "mapjoinkey"), keyOrder.toString());
    mapJoinOp.getConf().setKeyTableDesc(keyTableDesc);

    // let the dummy op be the parent of mapjoin op
    mapJoinOp.replaceParent(parentRS, dummyOp);
    List<Operator<? extends OperatorDesc>> dummyChildren =
      new ArrayList<Operator<? extends OperatorDesc>>();
    dummyChildren.add(mapJoinOp);
    dummyOp.setChildOperators(dummyChildren);
    dummyOperators.add(dummyOp);

    // cut the operator tree so as to not retain connections from the parent RS downstream
    List<Operator<? extends OperatorDesc>> childOperators = parentRS.getChildOperators();
    int childIndex = childOperators.indexOf(mapJoinOp);
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    // create the dummy operators
    List<Operator<?>> dummyOperators = new ArrayList<Operator<?>>();

    // create an new operator: HashTableDummyOperator, which share the table desc
    HashTableDummyDesc desc = new HashTableDummyDesc();
    @SuppressWarnings("unchecked")
    HashTableDummyOperator dummyOp = (HashTableDummyOperator) OperatorFactory.get(desc);
    TableDesc tbl;

    // need to create the correct table descriptor for key/value
    RowSchema rowSchema = parentRS.getParentOperators().get(0).getSchema();
    tbl = PlanUtils.getReduceValueTableDesc(PlanUtils.getFieldSchemasFromRowSchema(rowSchema, ""));
    dummyOp.getConf().setTbl(tbl);

    Map<Byte, List<ExprNodeDesc>> keyExprMap = mapJoinOp.getConf().getKeys();
    List<ExprNodeDesc> keyCols = keyExprMap.get(Byte.valueOf((byte) 0));
    StringBuffer keyOrder = new StringBuffer();
    for (ExprNodeDesc k: keyCols) {
      keyOrder.append("+");
    }
    TableDesc keyTableDesc = PlanUtils.getReduceKeyTableDesc(PlanUtils
        .getFieldSchemasFromColumnList(keyCols, "mapjoinkey"), keyOrder.toString());
    mapJoinOp.getConf().setKeyTableDesc(keyTableDesc);

    // let the dummy op be the parent of mapjoin op
    mapJoinOp.replaceParent(parentRS, dummyOp);
    List<Operator<? extends OperatorDesc>> dummyChildren =
      new ArrayList<Operator<? extends OperatorDesc>>();
    dummyChildren.add(mapJoinOp);
    dummyOp.setChildOperators(dummyChildren);
    dummyOperators.add(dummyOp);

    // cut the operator tree so as to not retain connections from the parent RS downstream
    List<Operator<? extends OperatorDesc>> childOperators = parentRS.getChildOperators();
    int childIndex = childOperators.indexOf(mapJoinOp);
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          parent.setChildOperators(null);
        }

        // create new operator: HashTable DummyOperator, which share the table desc
        HashTableDummyDesc desc = new HashTableDummyDesc();
        HashTableDummyOperator dummyOp = (HashTableDummyOperator) OperatorFactory.get(desc);
        TableDesc tbl;

        if (parent.getSchema() == null) {
          if (parent instanceof TableScanOperator) {
            tbl = ((TableScanOperator) parent).getTableDesc();
          } else {
            throw new SemanticException("Expected parent operator of type TableScanOperator." +
              "Found " + parent.getClass().getName() + " instead.");
          }
        } else {
          // get parent schema
          RowSchema rowSchema = parent.getSchema();
          tbl = PlanUtils.getIntermediateFileTableDesc(PlanUtils.getFieldSchemasFromRowSchema(
              rowSchema, ""));
        }
        dummyOp.getConf().setTbl(tbl);
        // let the dummy op be the parent of mapjoin op
        mapJoinOp.replaceParent(parent, dummyOp);
        List<Operator<? extends OperatorDesc>> dummyChildren =
          new ArrayList<Operator<? extends OperatorDesc>>();
        dummyChildren.add(mapJoinOp);
        dummyOp.setChildOperators(dummyChildren);
        // add this dummy op to the dummp operator list
        dummyOperators.add(dummyOp);
      }
      hashTableSinkOp.setParentOperators(smallTablesParentOp);
      for (Operator<? extends OperatorDesc> op : dummyOperators) {
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    List<Operator<? extends OperatorDesc>> dummyOperators =
        new ArrayList<Operator<? extends OperatorDesc>>();

    // create an new operator: HashTableDummyOperator, which share the table desc
    HashTableDummyDesc desc = new HashTableDummyDesc();
    @SuppressWarnings("unchecked")
    HashTableDummyOperator dummyOp = (HashTableDummyOperator) OperatorFactory.get(desc);
    TableDesc tbl;

    // need to create the correct table descriptor for key/value
    RowSchema rowSchema = parentRS.getParentOperators().get(0).getSchema();
    tbl = PlanUtils.getReduceValueTableDesc(PlanUtils.getFieldSchemasFromRowSchema(rowSchema, ""));
    dummyOp.getConf().setTbl(tbl);

    Map<Byte, List<ExprNodeDesc>> keyExprMap = mapJoinOp.getConf().getKeys();
    List<ExprNodeDesc> keyCols = keyExprMap.get(Byte.valueOf((byte) 0));
    StringBuffer keyOrder = new StringBuffer();
    for (ExprNodeDesc k: keyCols) {
      keyOrder.append("+");
    }
    TableDesc keyTableDesc = PlanUtils.getReduceKeyTableDesc(PlanUtils
        .getFieldSchemasFromColumnList(keyCols, "mapjoinkey"), keyOrder.toString());
    mapJoinOp.getConf().setKeyTableDesc(keyTableDesc);

    // let the dummy op be the parent of mapjoin op
    mapJoinOp.replaceParent(parentRS, dummyOp);
    List<Operator<? extends OperatorDesc>> dummyChildren =
      new ArrayList<Operator<? extends OperatorDesc>>();
    dummyChildren.add(mapJoinOp);
    dummyOp.setChildOperators(dummyChildren);
    dummyOperators.add(dummyOp);

    // cut the operator tree so as to not retain connections from the parent RS downstream
    List<Operator<? extends OperatorDesc>> childOperators = parentRS.getChildOperators();
    int childIndex = childOperators.indexOf(mapJoinOp);
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          parent.setChildOperators(null);
        }

        // create an new operator: HashTable DummyOpeator, which share the table desc
        HashTableDummyDesc desc = new HashTableDummyDesc();
        HashTableDummyOperator dummyOp = (HashTableDummyOperator) OperatorFactory.get(desc);
        TableDesc tbl;

        if (parent.getSchema() == null) {
          if (parent instanceof TableScanOperator) {
            tbl = ((TableScanOperator) parent).getTableDesc();
          } else {
            throw new SemanticException("Expected parent operator of type TableScanOperator." +
              "Found " + parent.getClass().getName() + " instead.");
          }
        } else {
          // get parent schema
          RowSchema rowSchema = parent.getSchema();
          tbl = PlanUtils.getIntermediateFileTableDesc(PlanUtils.getFieldSchemasFromRowSchema(
              rowSchema, ""));
        }
        dummyOp.getConf().setTbl(tbl);
        // let the dummy op be the parent of mapjoin op
        mapJoinOp.replaceParent(parent, dummyOp);
        List<Operator<? extends OperatorDesc>> dummyChildren =
          new ArrayList<Operator<? extends OperatorDesc>>();
        dummyChildren.add(mapJoinOp);
        dummyOp.setChildOperators(dummyChildren);
        // add this dummy op to the dummp operator list
        dummyOperators.add(dummyOp);
      }
      hashTableSinkOp.setParentOperators(smallTablesParentOp);
      for (Operator<? extends OperatorDesc> op : dummyOperators) {
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        // keep the parent id correct
        smallTablesParentOp.add(parent);

        // create an new operator: HashTable DummyOpeator, which share the table desc
        HashTableDummyDesc desc = new HashTableDummyDesc();
        HashTableDummyOperator dummyOp = (HashTableDummyOperator) OperatorFactory.get(desc);
        TableDesc tbl;

        if (parent.getSchema() == null) {
          if (parent instanceof TableScanOperator) {
            tbl = ((TableScanOperator) parent).getTableDesc();
          } else {
            throw new SemanticException();
          }
        } else {
          // get parent schema
          RowSchema rowSchema = parent.getSchema();
          tbl = PlanUtils.getIntermediateFileTableDesc(PlanUtils.getFieldSchemasFromRowSchema(
              rowSchema, ""));
        }
        dummyOp.getConf().setTbl(tbl);
        // let the dummy op be the parent of mapjoin op
        mapJoinOp.replaceParent(parent, dummyOp);
        List<Operator<? extends OperatorDesc>> dummyChildren =
          new ArrayList<Operator<? extends OperatorDesc>>();
        dummyChildren.add(mapJoinOp);
        dummyOp.setChildOperators(dummyChildren);
        // add this dummy op to the dummp operator list
        dummyOperators.add(dummyOp);
      }
      hashTableSinkOp.setParentOperators(smallTablesParentOp);
      for (Operator<? extends OperatorDesc> op : dummyOperators) {
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        // keep the parent id correct
        smallTablesParentOp.add(parent);

        // create an new operator: HashTable DummyOpeator, which share the table desc
        HashTableDummyDesc desc = new HashTableDummyDesc();
        HashTableDummyOperator dummyOp = (HashTableDummyOperator) OperatorFactory.get(desc);
        TableDesc tbl;

        if (parent.getSchema() == null) {
          if (parent instanceof TableScanOperator) {
            tbl = ((TableScanOperator) parent).getTableDesc();
          } else {
            throw new SemanticException();
          }
        } else {
          // get parent schema
          RowSchema rowSchema = parent.getSchema();
          tbl = PlanUtils.getIntermediateFileTableDesc(PlanUtils.getFieldSchemasFromRowSchema(
              rowSchema, ""));
        }
        dummyOp.getConf().setTbl(tbl);
        // let the dummy op be the parent of mapjoin op
        mapJoinOp.replaceParent(parent, dummyOp);
        List<Operator<? extends Serializable>> dummyChildren = new ArrayList<Operator<? extends Serializable>>();
        dummyChildren.add(mapJoinOp);
        dummyOp.setChildOperators(dummyChildren);
        // add this dummy op to the dummp operator list
        dummyOperators.add(dummyOp);
      }
      hashTableSinkOp.setParentOperators(smallTablesParentOp);
      for (Operator<? extends Serializable> op : dummyOperators) {
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Related Classes of org.apache.hadoop.hive.ql.exec.HashTableDummyOperator

  • org.apache.hadoop.hive.ql.optimizer.physical.LocalMapJoinProcFactory$LocalMapJoinProcessor
  • org.apache.hadoop.hive.ql.optimizer.ReduceSinkMapJoinProc
  • org.apache.hadoop.hive.ql.plan.TableDesc
  • org.apache.hadoop.hive.serde2.Deserializer
  • org.apache.hadoop.hive.ql.metadata.HiveException
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