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

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

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      String src = tblNamesIter.next();
      HashMap<String, ColumnInfo> fMap = inputRS.getFieldMap(src);
      for (Map.Entry<String, ColumnInfo> entry : fMap.entrySet()) {
        String field = entry.getKey();
        ColumnInfo valueInfo = entry.getValue();
        ExprNodeColumnDesc inputExpr = new ExprNodeColumnDesc(valueInfo
            .getType(), valueInfo.getInternalName(), valueInfo.getTabAlias(),
            valueInfo.getIsVirtualCol());
        reduceValues.add(inputExpr);
        if (outputRS.get(src, field) == null) {
          String col = getColumnInternalName(reduceValues.size() - 1);
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    ArrayList<ExprNodeDesc> colList = new ArrayList<ExprNodeDesc>();
    ArrayList<String> columnNames = new ArrayList<String>();

    // construct the list of columns that need to be projected
    for (ASTNode field : fields) {
      ExprNodeColumnDesc exprNode = (ExprNodeColumnDesc) genExprNodeDesc(field,
          inputRR);
      colList.add(exprNode);
      columnNames.add(exprNode.getColumn());
    }

    // create selection operator
    Operator output = putOpInsertMap(OperatorFactory.getAndMakeChild(
        new SelectDesc(colList, columnNames, false), new RowSchema(inputRR
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    ArrayList<String> columnNames = new ArrayList<String>();
    Map<String, ExprNodeDesc> columnExprMap =
        new HashMap<String, ExprNodeDesc>();
    for (int i = 0; i < columns.size(); i++) {
      ColumnInfo col = columns.get(i);
      colList.add(new ExprNodeColumnDesc(col.getType(), col.getInternalName(),
          col.getTabAlias(), col.getIsVirtualCol()));
      columnNames.add(col.getInternalName());
      columnExprMap.put(col.getInternalName(),
          new ExprNodeColumnDesc(col.getType(), col.getInternalName(),
              col.getTabAlias(), col.getIsVirtualCol()));
    }
    Operator output = putOpInsertMap(OperatorFactory.getAndMakeChild(
        new SelectDesc(colList, columnNames, true), new RowSchema(inputRR
            .getColumnInfos()), input), inputRR);
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    List<ExprNodeDesc> columns = new ArrayList<ExprNodeDesc>();
    boolean needsCast = false;
    for (Map.Entry<String, ColumnInfo> unionEntry : unionoutRR.getFieldMap(unionalias).entrySet()) {
      String field = unionEntry.getKey();
      ColumnInfo lInfo = origInputFieldMap.get(field);
      ExprNodeDesc column = new ExprNodeColumnDesc(lInfo.getType(), lInfo.getInternalName(),
          lInfo.getTabAlias(), lInfo.getIsVirtualCol(), lInfo.isSkewedCol());
      if (!lInfo.getType().equals(unionEntry.getValue().getType())) {
        needsCast = true;
        column = ParseUtils.createConversionCast(
            column, (PrimitiveTypeInfo)unionEntry.getValue().getType());
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      args.add(planExpr);
    } else if (useBucketCols) {
      for (String col : bucketCols) {
        ColumnInfo ci = rwsch.get(alias, col);
        // TODO: change type to the one in the table schema
        args.add(new ExprNodeColumnDesc(ci.getType(), ci.getInternalName(), ci
            .getTabAlias(), ci.getIsVirtualCol()));
      }
    } else {
      for (ASTNode expr : ts.getExprs()) {
        args.add(genExprNodeDesc(expr, rwsch));
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    int i = 0;
    for (ColumnInfo c : allPathRR.getColumnInfos()) {
      String internalName = getColumnInternalName(i);
      i++;
      colExprMap.put(internalName,
          new ExprNodeColumnDesc(c.getType(), c.getInternalName(),
              c.getTabAlias(), c.getIsVirtualCol()));
    }

    Operator lateralViewJoin = putOpInsertMap(OperatorFactory
        .getAndMakeChild(new LateralViewJoinDesc(outputInternalColNames),
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    if (colInfo != null) {
      ASTNode source = input.getExpressionSource(expr);
      if (source != null) {
        unparseTranslator.addCopyTranslation(expr, source);
      }
      return new ExprNodeColumnDesc(colInfo.getType(), colInfo
          .getInternalName(), colInfo.getTabAlias(), colInfo
          .getIsVirtualCol(), colInfo.isSkewedCol());
    }
    return null;
  }
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    for (Map.Entry<ASTNode, ExprNodeDesc> entry : nodeOutputs.entrySet()) {
      if (!(entry.getValue() instanceof ExprNodeColumnDesc)) {
        continue;
      }
      ASTNode node = entry.getKey();
      ExprNodeColumnDesc columnDesc = (ExprNodeColumnDesc) entry.getValue();
      if ((columnDesc.getTabAlias() == null)
          || (columnDesc.getTabAlias().length() == 0)) {
        // These aren't real column refs; instead, they are special
        // internal expressions used in the representation of aggregation.
        continue;
      }
      String[] tmp = input.reverseLookup(columnDesc.getColumn());
      StringBuilder replacementText = new StringBuilder();
      replacementText.append(HiveUtils.unparseIdentifier(tmp[0]));
      replacementText.append(".");
      replacementText.append(HiveUtils.unparseIdentifier(tmp[1]));
      unparseTranslator.addTranslation(node, replacementText.toString());
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    /*
     * construct the ReduceSinkRR
     */
    int pos = 0;
    for (ColumnInfo colInfo : colInfoList) {
        ExprNodeDesc valueColExpr = new ExprNodeColumnDesc(colInfo.getType(), colInfo
            .getInternalName(), colInfo.getTabAlias(), colInfo
            .getIsVirtualCol());
        valueCols.add(valueColExpr);
        colExprMap.put(colInfo.getInternalName(), valueColExpr);
        String outColName = SemanticAnalyzer.getColumnInternalName(pos++);
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      /*
       * b. Construct Extract Operator.
       */
      input = putOpInsertMap(OperatorFactory.getAndMakeChild(
          new ExtractDesc(
              new ExprNodeColumnDesc(TypeInfoFactory.stringTypeInfo,
                  Utilities.ReduceField.VALUE
                  .toString(), "", false)),
          new RowSchema(extractOpRR.getColumnInfos()),
          input), extractOpRR);

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