matriv commented on code in PR #19409:
URL: https://github.com/apache/flink/pull/19409#discussion_r846159965
##########
flink-table/flink-table-planner/src/main/java/org/apache/calcite/rex/RexSimplify.java:
##########
@@ -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())
+ || e.getType() instanceof RawRelDataType) {
+ // || e.getType().getSqlTypeName() == SqlTypeName.OTHER) {
Review Comment:
Maybe we need this instead?
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