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

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

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    for (int i = 0; i < join.getJoinCond().length; i++) {
      joinCond condn = join.getJoinCond()[i];
      joinCondns[i] = new org.apache.hadoop.hive.ql.plan.joinCond(condn);
    }

    joinDesc desc = new joinDesc(exprMap, outputColumnNames, joinCondns);
    desc.setReversedExprs(reversedExprs);
    JoinOperator joinOp = (JoinOperator) OperatorFactory.getAndMakeChild(desc,
                                    new RowSchema(outputRS.getColumnInfos()), rightOps);
    joinOp.setColumnExprMap(colExprMap);
    joinOp.setPosToAliasMap(posToAliasMap);
    return putOpInsertMap(joinOp, outputRS);
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   * @param qbJoin qb join tree
   * @param mapJoinPos position of the source to be read as part of map-reduce framework. All other sources are cached in memory
   */
  private MapJoinOperator convertMapJoin(ParseContext pctx, JoinOperator op, QBJoinTree joinTree, int mapJoinPos) throws SemanticException {
    // outer join cannot be performed on a table which is being cached
    joinDesc desc = op.getConf();
    org.apache.hadoop.hive.ql.plan.joinCond[] condns = desc.getConds();
    for (org.apache.hadoop.hive.ql.plan.joinCond condn : condns) {
      if (condn.getType() == joinDesc.FULL_OUTER_JOIN)
        throw new SemanticException(ErrorMsg.NO_OUTER_MAPJOIN.getMsg());
      if ((condn.getType() == joinDesc.LEFT_OUTER_JOIN) && (condn.getLeft() != mapJoinPos))
        throw new SemanticException(ErrorMsg.NO_OUTER_MAPJOIN.getMsg());
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    for (int i = 0; i < join.getJoinCond().length; i++) {
      joinCond condn = join.getJoinCond()[i];
      joinCondns[i] = new org.apache.hadoop.hive.ql.plan.joinCond(condn);
    }

    joinDesc desc = new joinDesc(exprMap, outputColumnNames, joinCondns);
    desc.setReversedExprs(reversedExprs);
    JoinOperator joinOp = (JoinOperator) OperatorFactory.getAndMakeChild(desc,
                                    new RowSchema(outputRS.getColumnInfos()), rightOps);
    joinOp.setColumnExprMap(colExprMap);
    joinOp.setPosToAliasMap(posToAliasMap);
    return putOpInsertMap(joinOp, outputRS);
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Related Classes of org.apache.hadoop.hive.ql.plan.joinDesc

  • org.apache.hadoop.hive.ql.exec.SkewJoinHandler
  • org.apache.hadoop.hive.ql.optimizer.AbstractSMBJoinProc
  • org.apache.hadoop.hive.ql.optimizer.ConstantPropagateProcFactory$ConstantPropagateJoinProc
  • org.apache.hadoop.hive.ql.optimizer.ConvertJoinMapJoin
  • org.apache.hadoop.hive.ql.optimizer.correlation.CorrelationOptimizer
  • org.apache.hadoop.hive.ql.optimizer.lineage.OpProcFactory$JoinLineage
  • org.apache.hadoop.hive.ql.optimizer.MapJoinProcessor
  • org.apache.hadoop.hive.ql.optimizer.physical.BucketingSortingOpProcFactory$JoinInferrer
  • org.apache.hadoop.hive.ql.optimizer.physical.CommonJoinResolver$CommonJoinTaskDispatcher
  • org.apache.hadoop.hive.ql.optimizer.physical.CommonJoinTaskDispatcher
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