xndai commented on a change in pull request #1354: [CALCITE-482] Implement sql
and planner hints
URL: https://github.com/apache/calcite/pull/1354#discussion_r335110345
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File path: core/src/main/java/org/apache/calcite/rel/core/Join.java
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@@ -52,11 +55,12 @@
* The set of output rows is a subset of the cartesian product of the two
* inputs; precisely which subset depends on the join condition.
*/
-public abstract class Join extends BiRel {
+public abstract class Join extends BiRel implements RelWithHint {
Review comment:
Will hint be part of relnode digest?
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