Github user hyunsik commented on a diff in the pull request:
https://github.com/apache/tajo/pull/381#discussion_r24727521
--- Diff:
tajo-plan/src/main/java/org/apache/tajo/plan/rewrite/rules/FilterPushDownRule.java
---
@@ -358,7 +353,21 @@ public LogicalNode visitJoin(FilterPushDownContext
context, LogicalPlan plan, Lo
context.pushingDownFilters.removeAll(matched);
}
-
context.pushingDownFilters.addAll(outerJoinFilterEvalsExcludePredication);
+ matched.clear();
--- End diff --
Could add some brief comment about the purpose of the following block? It
would be helpful for other code readers.
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