mihaibudiu commented on code in PR #4402:
URL: https://github.com/apache/calcite/pull/4402#discussion_r2112415612
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core/src/main/java/org/apache/calcite/rex/RexUtil.java:
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@@ -218,6 +218,17 @@ public static boolean isNull(RexNode expr) {
}
}
+ public static boolean isCollectionValueConstructorWithoutAnyCast(
Review Comment:
this can probably be generalized into a function that checks that the entire
expression tree has no side-effects. In SQL the only side-effect possible is to
cause an exception.
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