matriv commented on code in PR #19409:
URL: https://github.com/apache/flink/pull/19409#discussion_r867806761
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flink-table/flink-table-planner/src/main/java/org/apache/calcite/rex/RexSimplify.java:
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@@ -2024,7 +2029,9 @@ private RexNode simplifySearch(RexCall call, RexUnknownAs
unknownAs) {
private RexNode simplifyCast(RexCall e) {
RexNode operand = e.getOperands().get(0);
operand = simplify(operand, UNKNOWN);
- if (sameTypeOrNarrowsNullability(e.getType(), operand.getType())) {
+ if (sameTypeOrNarrowsNullability(e.getType(), operand.getType())
Review Comment:
I've spent quite some time here, and couldn't find a workaround.
I could modify the PR and only allow it for TableAPI for the moment, and try
to fix this in Calcite first.
If it's accepted, have a follow up PR to enable this for SQL in flink.
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