Examples of RexNodeConverter

org.apache.hadoop.hive.ql.optimizer.optiq.translator.RexNodeConverter

Examples of org.apache.hadoop.hive.ql.optimizer.optiq.translator.RexNodeConverter

        // for such queries, its an arcane corner case, not worth of adding that complexity.
        throw new OptiqSemanticException("Filter expression with non-boolean return type.");
      }
      ImmutableMap<String, Integer> hiveColNameOptiqPosMap = this.relToHiveColNameOptiqPosMap
          .get(srcRel);
      RexNode convertedFilterExpr = new RexNodeConverter(cluster, srcRel.getRowType(),
          hiveColNameOptiqPosMap, 0, true).convert(filterCondn);
      RexNode factoredFilterExpr = RexUtil.pullFactors(cluster.getRexBuilder(), convertedFilterExpr);
      RelNode filterRel = new HiveFilterRel(cluster, cluster.traitSetOf(HiveRel.CONVENTION),
          srcRel, factoredFilterExpr);
      this.relToHiveColNameOptiqPosMap.put(filterRel, hiveColNameOptiqPosMap);

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Examples of org.apache.hadoop.hive.ql.optimizer.optiq.translator.RexNodeConverter


    private RelNode genGBRelNode(List<ExprNodeDesc> gbExprs, List<AggInfo> aggInfoLst,
        RelNode srcRel) throws SemanticException {
      RowResolver gbInputRR = this.relToHiveRR.get(srcRel);
      ImmutableMap<String, Integer> posMap = this.relToHiveColNameOptiqPosMap.get(srcRel);
      RexNodeConverter converter = new RexNodeConverter(this.cluster, srcRel.getRowType(),
          posMap, 0, false);


      final List<RexNode> gbChildProjLst = Lists.newArrayList();
      final HashMap<String, Integer> rexNodeToPosMap = new HashMap<String, Integer>();
      final BitSet groupSet = new BitSet();
      Integer gbIndx = 0;
      RexNode rnd;
      for (ExprNodeDesc key : gbExprs) {
        rnd = converter.convert(key);
        gbChildProjLst.add(rnd);
        groupSet.set(gbIndx);
        rexNodeToPosMap.put(rnd.toString(), gbIndx);
        gbIndx++;
      }

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Examples of org.apache.hadoop.hive.ql.optimizer.optiq.translator.RexNodeConverter

        List<Pair<ASTNode, TypeInfo>> vcASTTypePairs = new ArrayList<Pair<ASTNode, TypeInfo>>();
        RowResolver inputRR = relToHiveRR.get(srcRel);
        RowResolver outputRR = new RowResolver();


        RexNode rnd;
        RexNodeConverter converter = new RexNodeConverter(cluster, srcRel.getRowType(),
            relToHiveColNameOptiqPosMap.get(srcRel), 0, false);
        int srcRelRecordSz = srcRel.getRowType().getFieldCount();


        for (int i = 0; i < obASTExprLst.size(); i++) {
          // 2.1 Convert AST Expr to ExprNode
          obASTExpr = (ASTNode) obASTExprLst.get(i);
          Map<ASTNode, ExprNodeDesc> astToExprNDescMap = TypeCheckProcFactory.genExprNode(
              obASTExpr, new TypeCheckCtx(inputRR));
          ExprNodeDesc obExprNDesc = astToExprNDescMap.get(obASTExpr.getChild(0));
          if (obExprNDesc == null)
            throw new SemanticException("Invalid order by expression: " + obASTExpr.toString());


          // 2.2 Convert ExprNode to RexNode
          rnd = converter.convert(obExprNDesc);


          // 2.3 Determine the index of ob expr in child schema
          // NOTE: Optiq can not take compound exprs in OB without it being
          // present in the child (& hence we add a child Project Rel)
          if (rnd instanceof RexInputRef) {

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Examples of org.apache.hadoop.hive.ql.optimizer.optiq.translator.RexNodeConverter

        RelDataType optiqAggFnRetType = TypeConverter.convert(hiveAggInfo.m_returnType,
            this.cluster.getTypeFactory());


        // 4. Convert Agg Fn args to Optiq
        ImmutableMap<String, Integer> posMap = this.relToHiveColNameOptiqPosMap.get(srcRel);
        RexNodeConverter converter = new RexNodeConverter(this.cluster, srcRel.getRowType(),
            posMap, 0, false);
        Builder<RexNode> optiqAggFnArgsBldr = ImmutableList.<RexNode> builder();
        Builder<RelDataType> optiqAggFnArgsTypeBldr = ImmutableList.<RelDataType> builder();
        RexNode rexNd = null;
        for (int i = 0; i < hiveAggInfo.m_aggParams.size(); i++) {
          optiqAggFnArgsBldr.add(converter.convert(hiveAggInfo.m_aggParams.get(i)));
          optiqAggFnArgsTypeBldr.add(TypeConverter.convert(hiveAggInfo.m_aggParams.get(i)
              .getTypeInfo(), this.cluster.getTypeFactory()));
        }
        ImmutableList<RexNode> optiqAggFnArgs = optiqAggFnArgsBldr.build();
        ImmutableList<RelDataType> optiqAggFnArgsType = optiqAggFnArgsTypeBldr.build();

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Examples of org.apache.hadoop.hive.ql.optimizer.optiq.translator.RexNodeConverter

      }
      selectStar = selectStar && exprList.getChildCount() == posn + 1;


      // 7. Convert Hive projections to Optiq
      List<RexNode> optiqColLst = new ArrayList<RexNode>();
      RexNodeConverter rexNodeConv = new RexNodeConverter(cluster, srcRel.getRowType(),
          buildHiveColNameToInputPosMap(col_list, inputRR), 0, false);
      for (ExprNodeDesc colExpr : col_list) {
        optiqColLst.add(rexNodeConv.convert(colExpr));
      }


      // 8. Build Optiq Rel
      RelNode selRel = genSelectRelNode(optiqColLst, out_rwsch, srcRel);

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