vdiravka commented on a change in pull request #1568: DRILL-6878: Use
DrillPushRowKeyJoinToScan rule on DrillJoin pattern to o account for
DrillSemiJoin
URL: https://github.com/apache/drill/pull/1568#discussion_r240958295
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/RowKeyJoinRel.java
##########
@@ -50,20 +66,72 @@ public RowKeyJoinRel(RelOptCluster cluster, RelTraitSet
traits, RelNode left, Re
@Override
public RowKeyJoinRel copy(RelTraitSet traitSet, RexNode condition, RelNode
left, RelNode right, JoinRelType joinType,
- boolean semiJoinDone) {
- return new RowKeyJoinRel(getCluster(), traitSet, left, right, condition,
joinType);
+ boolean semiJoin) {
+ return new RowKeyJoinRel(getCluster(), traitSet, left, right, condition,
joinType, semiJoin);
}
@Override
public LogicalOperator implement(DrillImplementor implementor) {
return super.implement(implementor);
}
+ /**
+ * Returns whether this RowKeyJoin represents a {@link
org.apache.calcite.rel.core.SemiJoin}
+ * @return true if join represents a {@link
org.apache.calcite.rel.core.SemiJoin}, false otherwise.
+ */
+ public boolean isSemiJoin() {
+ return isSemiJoin;
+ }
+
+ @Override
+ public RelDataType deriveRowType() {
+ return SqlValidatorUtil.deriveJoinRowType(
+ left.getRowType(),
+ isSemiJoin() ? null : right.getRowType(),
+ JoinRelType.INNER,
+ getCluster().getTypeFactory(),
+ null,
+ ImmutableList.of());
+ }
+
public static RowKeyJoinRel convert(Join join, ConversionContext context)
throws InvalidRelException {
Pair<RelNode, RelNode> inputs = getJoinInputs(join, context);
RexNode rexCondition = getJoinCondition(join, context);
RowKeyJoinRel joinRel = new RowKeyJoinRel(context.getCluster(),
context.getLogicalTraits(),
inputs.left, inputs.right, rexCondition, join.getJoinType());
return joinRel;
}
+
+ @Override public boolean isValid(Litmus litmus, Context context) {
Review comment:
`both both`
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