mihaibudiu commented on code in PR #4403:
URL: https://github.com/apache/calcite/pull/4403#discussion_r2113004004
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core/src/main/java/org/apache/calcite/sql/SqlKind.java:
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@@ -662,6 +662,9 @@ public enum SqlKind {
/** {@code IS NOT NULL} operator. */
IS_NOT_NULL,
+ /** {@code CAST NOT NULL} operator. */
+ CAST_NOT_NULL,
Review Comment:
Since we reopened that issue, maybe you can make this PR about that issue
instead of a new one.
You should check that it works with NULLIF too. It has the same problem.
I still think that expanding COALESCE at that stage is wrong, so this is
solving only half of the problem.
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