zabetak commented on code in PR #3149:
URL: https://github.com/apache/calcite/pull/3149#discussion_r1172333662
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core/src/main/java/org/apache/calcite/rel/rules/JoinDeriveIsNotNullFilterRule.java:
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@@ -63,9 +63,11 @@ public JoinDeriveIsNotNullFilterRule(Config config) {
final ImmutableBitSet.Builder notNullableKeys = ImmutableBitSet.builder();
RelOptUtil.conjunctions(join.getCondition()).forEach(node -> {
Review Comment:
Is there any benefit in splitting the condition in conjunctions and testing
strongness individually for each? Maybe we can remove this decomposition.
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