Package org.eigenbase.relopt.volcano

Examples of org.eigenbase.relopt.volcano.RelSubset


  public void onMatch(final RelOptRuleCall call) {
    final JoinRelBase topJoin = call.rel(0);
    final JoinRelBase bottomJoin = call.rel(1);
    final RelNode relA = bottomJoin.getLeft();
    final RelNode relB = bottomJoin.getRight();
    final RelSubset relC = call.rel(2);
    final RelOptCluster cluster = topJoin.getCluster();
    final RexBuilder rexBuilder = cluster.getRexBuilder();

    if (relC.getConvention() != relA.getConvention()) {
      // relC could have any trait-set. But if we're matching say
      // EnumerableConvention, we're only interested in enumerable subsets.
      return;
    }

    //        topJoin
    //        /     \
    //   bottomJoin  C
    //    /    \
    //   A      B

    final int aCount = relA.getRowType().getFieldCount();
    final int bCount = relB.getRowType().getFieldCount();
    final int cCount = relC.getRowType().getFieldCount();
    final BitSet aBitSet = BitSets.range(0, aCount);
    final BitSet bBitSet = BitSets.range(aCount, aCount + bCount);

    if (!topJoin.getSystemFieldList().isEmpty()) {
      // FIXME Enable this rule for joins with system fields
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  public void onMatch(final RelOptRuleCall call) {
    final JoinRelBase topJoin = call.rel(0);
    final JoinRelBase bottomJoin = call.rel(1);
    final RelNode relA = bottomJoin.getLeft();
    final RelNode relB = bottomJoin.getRight();
    final RelSubset relC = call.rel(2);
    final RelOptCluster cluster = topJoin.getCluster();
    final RexBuilder rexBuilder = cluster.getRexBuilder();

    if (relC.getConvention() != relA.getConvention()) {
      // relC could have any trait-set. But if we're matching say
      // EnumerableConvention, we're only interested in enumerable subsets.
      return;
    }

    //        topJoin
    //        /     \
    //   bottomJoin  C
    //    /    \
    //   A      B

    final int aCount = relA.getRowType().getFieldCount();
    final int bCount = relB.getRowType().getFieldCount();
    final int cCount = relC.getRowType().getFieldCount();
    final BitSet aBitSet = BitSets.range(0, aCount);
    final BitSet bBitSet = BitSets.range(aCount, aCount + bCount);

    if (!topJoin.getSystemFieldList().isEmpty()) {
      // FIXME Enable this rule for joins with system fields
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