rtrivedi12 commented on code in PR #6601:
URL: https://github.com/apache/hive/pull/6601#discussion_r3588912830
##########
ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/rules/HiveFilterProjectTransposeRule.java:
##########
@@ -338,11 +338,14 @@ public void visit(RelNode node, int ordinal, RelNode
parent) {
if (node instanceof Filter) {
check((Filter) node);
} else if (node instanceof Project) {
+ Project project = (Project) node;
RexNode condition = HiveRelOptUtil.pushPastProjectUnlessBloat(
- filterCondition, (Project) node, bloat);
- if (condition != null) {
- filterCondition = condition;
+ filterCondition, project, bloat);
+ if (condition == null) {
+ // the condition could not be pushed, so bail out
+ return;
}
+ filterCondition = condition;
Review Comment:
Thanks for the feedback @soumyakanti3578 ! I will update PR with these
changes.
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