Examples with JoinPredicateInfo org.apache.hadoop.hive.ql.optimizer.calcite.HiveCalciteUtil.JoinPredicateInfo used on opensource projects

Example 6 with JoinPredicateInfo

use of org.apache.hadoop.hive.ql.optimizer.calcite.HiveCalciteUtil.JoinPredicateInfo in project hive by apache.

the class HiveJoinToMultiJoinRule method isCombinableJoin.

/*
   * Returns true if the join conditions execute over the same keys
   */
private static boolean isCombinableJoin(HiveJoin join, HiveMultiJoin leftChildJoin) throws CalciteSemanticException {
    final JoinPredicateInfo joinPredInfo = HiveCalciteUtil.JoinPredicateInfo.constructJoinPredicateInfo(join, join.getCondition());
    final JoinPredicateInfo leftChildJoinPredInfo = HiveCalciteUtil.JoinPredicateInfo.constructJoinPredicateInfo(leftChildJoin, leftChildJoin.getCondition());
    return isCombinablePredicate(joinPredInfo, leftChildJoinPredInfo, leftChildJoin.getInputs().size());
}

Example 7 with JoinPredicateInfo

use of org.apache.hadoop.hive.ql.optimizer.calcite.HiveCalciteUtil.JoinPredicateInfo in project hive by apache.

the class HiveJoin method getSortedInputs.

public ImmutableBitSet getSortedInputs() throws CalciteSemanticException {
    ImmutableBitSet.Builder sortedInputsBuilder = ImmutableBitSet.builder();
    JoinPredicateInfo joinPredInfo = HiveCalciteUtil.JoinPredicateInfo.constructJoinPredicateInfo(this);
    List<ImmutableIntList> joinKeysInChildren = new ArrayList<ImmutableIntList>();
    joinKeysInChildren.add(ImmutableIntList.copyOf(joinPredInfo.getProjsFromLeftPartOfJoinKeysInChildSchema()));
    joinKeysInChildren.add(ImmutableIntList.copyOf(joinPredInfo.getProjsFromRightPartOfJoinKeysInChildSchema()));
    final RelMetadataQuery mq = this.left.getCluster().getMetadataQuery();
    for (int i = 0; i < this.getInputs().size(); i++) {
        boolean correctOrderFound = RelCollations.contains(mq.collations(this.getInputs().get(i)), joinKeysInChildren.get(i));
        if (correctOrderFound) {
            sortedInputsBuilder.set(i);
        }
    }
    return sortedInputsBuilder.build();
}