hannerwang commented on a change in pull request #2454:
URL: https://github.com/apache/calcite/pull/2454#discussion_r805489082
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File path: core/src/main/java/org/apache/calcite/sql2rel/SqlToRelConverter.java
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@@ -4651,7 +4651,12 @@ public RexNode register(
currentProjection);
}
- setRoot(newLeftInput, false);
+ // keep leaves property.
+ if (leaves.remove(root()) != null) {
+ setRoot(newLeftInput, true);
+ } else {
+ setRoot(newLeftInput, false);
+ }
Review comment:
Good, Thanks asolimando!
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