mihaibudiu commented on code in PR #5378:
URL: https://github.com/apache/calcite/pull/5378#discussion_r4428646402
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core/src/main/java/org/apache/calcite/rel/rules/ProjectSetOpTransposeRule.java:
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@@ -67,8 +68,8 @@ public ProjectSetOpTransposeRule(
final Project origProject = call.rel(0);
final SetOp setOp = call.rel(1);
- // cannot push project past a distinct
- if (!setOp.all) {
+ // only UNION ALL; other set ops compare rows on all fields
Review Comment:
Is the rule misnamed?
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