Github user hyunsik commented on a diff in the pull request:
https://github.com/apache/tajo/pull/646#discussion_r35392615
--- Diff:
tajo-plan/src/main/java/org/apache/tajo/plan/rewrite/rules/FilterPushDownRule.java
---
@@ -235,9 +232,50 @@ public LogicalNode visitJoin(FilterPushDownContext
context, LogicalPlan plan, Lo
}
context.pushingDownFilters.removeAll(matched);
+
+ if (context.pushingDownFilters.size() > 0) {
--- End diff --
It would be great if you add some comments to explain its logical meaning
about the condition and what this code do.
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