Examples with HashLeftOuterJoinBuildFirstDescriptor org.apache.flink.optimizer.operators.HashLeftOuterJoinBuildFirstDescriptor used on opensource projects

Example 1 with HashLeftOuterJoinBuildFirstDescriptor

use of org.apache.flink.optimizer.operators.HashLeftOuterJoinBuildFirstDescriptor in project flink by apache.

the class OuterJoinNode method createLeftOuterJoinDescriptors.

private List<OperatorDescriptorDual> createLeftOuterJoinDescriptors(JoinHint hint) {
    List<OperatorDescriptorDual> list = new ArrayList<>();
    switch(hint) {
        case OPTIMIZER_CHOOSES:
            list.add(new SortMergeLeftOuterJoinDescriptor(this.keys1, this.keys2, true));
            list.add(new HashLeftOuterJoinBuildSecondDescriptor(this.keys1, this.keys2, true, true));
            break;
        case REPARTITION_SORT_MERGE:
            list.add(new SortMergeLeftOuterJoinDescriptor(this.keys1, this.keys2, false));
            break;
        case REPARTITION_HASH_SECOND:
            list.add(new HashLeftOuterJoinBuildSecondDescriptor(this.keys1, this.keys2, false, true));
            break;
        case BROADCAST_HASH_SECOND:
            list.add(new HashLeftOuterJoinBuildSecondDescriptor(this.keys1, this.keys2, true, false));
            break;
        case REPARTITION_HASH_FIRST:
            list.add(new HashLeftOuterJoinBuildFirstDescriptor(this.keys1, this.keys2, false, true));
            break;
        case BROADCAST_HASH_FIRST:
        default:
            throw new CompilerException("Invalid join hint: " + hint + " for left outer join");
    }
    return list;
}