pgaref commented on a change in pull request #1147:
URL: https://github.com/apache/hive/pull/1147#discussion_r458190642
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/rules/HiveJoinAddNotNullRule.java
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@@ -74,7 +78,14 @@ public HiveJoinAddNotNullRule(Class<? extends Join> clazz,
@Override
public void onMatch(RelOptRuleCall call) {
Join join = call.rel(0);
- if (join.getJoinType() == JoinRelType.FULL ||
join.getCondition().isAlwaysTrue()) {
+
+ // For anti join case add the not null on right side if the condition is
Review comment:
Not sure I understand the issue here -- is the problem the fact that
ANTI-join matches with NULL rows on the right side?
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