Examples of org.apache.hadoop.hive.ql.optimizer.optiq.reloperators.HiveRel$Implementor

Package org.apache.hadoop.hive.ql.optimizer.optiq.reloperators

Examples of org.apache.hadoop.hive.ql.optimizer.optiq.reloperators.HiveRel$Implementor

org.apache.hadoop.hive.ql.optimizer.optiq.reloperators.HiveRel

        String fName = iType.getFieldNames().get(i);
        optiqColLst.add(cluster.getRexBuilder().makeInputRef(fType.getType(), i));
        oFieldNames.add(fName);
      }


      HiveRel selRel = HiveProjectRel.create(srcRel, optiqColLst, oFieldNames);


      this.relToHiveColNameOptiqPosMap.put(selRel, buildHiveToOptiqColumnMap(oRR, selRel));
      this.relToHiveRR.put(selRel, oRR);
      return selRel;
    }

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        // first element from srcRel
        gbChildProjLst.add(this.cluster.getRexBuilder().makeInputRef(srcRel, 0));
      }
      RelNode gbInputRel = HiveProjectRel.create(srcRel, gbChildProjLst, null);


      HiveRel aggregateRel = null;
      try {
        aggregateRel = new HiveAggregateRel(cluster, cluster.traitSetOf(HiveRel.CONVENTION),
            gbInputRel, groupSet, aggregateCalls);
      } catch (InvalidRelException e) {
        throw new SemanticException(e);

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      return (new Pair(sortRel, originalOBChild));
    }


    private RelNode genLimitLogicalPlan(QB qb, RelNode srcRel) throws SemanticException {
      HiveRel sortRel = null;
      QBParseInfo qbp = getQBParseInfo(qb);
      Integer limit = qbp.getDestToLimit().get(qbp.getClauseNames().iterator().next());


      if (limit != null) {
        RexNode fetch = cluster.getRexBuilder().makeExactLiteral(BigDecimal.valueOf(limit));

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        columnNames.add(tmpColAlias);
      }


      // 3 Build Optiq Rel Node for project using converted projections & col
      // names
      HiveRel selRel = HiveProjectRel.create(srcRel, optiqColLst, columnNames);


      // 4. Keep track of colname-to-posmap && RR for new select
      this.relToHiveColNameOptiqPosMap.put(selRel, buildHiveToOptiqColumnMap(out_rwsch, selRel));
      this.relToHiveRR.put(selRel, out_rwsch);

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        }
      });


      // 3 Build Optiq Rel Node for project using converted projections & col
      // names
      HiveRel selRel = HiveProjectRel.create(srcRel, optiqColLst, oFieldNames);


      // 4. Keep track of colname-to-posmap && RR for new select
      this.relToHiveColNameOptiqPosMap.put(selRel, buildHiveToOptiqColumnMap(out_rwsch, selRel));
      this.relToHiveRR.put(selRel, out_rwsch);

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