xiedeyantu commented on code in PR #4260:
URL: https://github.com/apache/calcite/pull/4260#discussion_r2015196286
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core/src/main/java/org/apache/calcite/rel/core/JoinInfo.java:
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@@ -62,10 +62,9 @@ protected JoinInfo(ImmutableIntList leftKeys,
ImmutableIntList rightKeys,
public static JoinInfo of(RelNode left, RelNode right, RexNode condition) {
final List<Integer> leftKeys = new ArrayList<>();
final List<Integer> rightKeys = new ArrayList<>();
- final List<Boolean> filterNulls = new ArrayList<>();
final List<RexNode> nonEquiList = new ArrayList<>();
RelOptUtil.splitJoinCondition(left, right, condition, leftKeys, rightKeys,
- filterNulls, nonEquiList);
+ null, nonEquiList);
Review Comment:
Yes, if filterNulls is not null, splitJoinCondition method will take IS NOT
DISTINCT FROM as "equi condition". If filterNulls is null, it can skip IS NOT
DISTINCT FROM correctly.
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