FrankChen021 commented on code in PR #5280:
URL: https://github.com/apache/calcite/pull/5280#discussion_r4237616468
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core/src/main/java/org/apache/calcite/sql/validate/SqlValidatorUtil.java:
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@@ -1560,7 +1560,12 @@ private static void adjustTypeForMultisetConstructor(
if (adjustedOperands == null) {
adjustedOperands = new ArrayList<>(operands);
}
- adjustedOperands.set(i, castTo(operands.get(i), elementType));
+ SqlCall cast = (SqlCall) castTo(operands.get(i), elementType);
+ // This CAST was generated with the built-in operator; validate its
+ // operands directly instead of resolving the function again by name.
+ cast.getOperator().validateOperands(
Review Comment:
That's fare. the intention here is to keep the type in the cache for cast
expression. let me take a look at if there's a better way to make it
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