rubenada commented on a change in pull request #884: [CALCITE-2621] New rule:
SemiJoinToCorrelateRule (SemiJoin => LogicalCorrelate) (Ruben Quesada Lopez)
URL: https://github.com/apache/calcite/pull/884#discussion_r261614406
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File path:
core/src/main/java/org/apache/calcite/rel/rules/JoinToCorrelateRule.java
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@@ -127,7 +142,7 @@ public void onMatch(RelOptRuleCall call) {
relBuilder.build(),
correlationId,
requiredColumns.build(),
- SemiJoinType.of(join.getJoinType()));
+ join instanceof SemiJoin ? SemiJoinType.SEMI :
SemiJoinType.of(join.getJoinType()));
Review comment:
What about a semiJoinTypeFunction lambda? New version committed with this
approach
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