NobiGo commented on code in PR #4402:
URL: https://github.com/apache/calcite/pull/4402#discussion_r2135441899
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core/src/main/java/org/apache/calcite/rex/RexSimplify.java:
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@@ -1385,10 +1391,34 @@ enum SafeRexVisitor implements RexVisitor<Boolean> {
}
@Override public Boolean visitCall(RexCall call) {
- if (!safeOps.contains(call.getKind())) {
+ SqlKind sqlKind = call.getKind();
+ SqlOperator sqlOperator = call.getOperator();
+
+ switch (sqlKind) {
+ case DIVIDE:
Review Comment:
For example: In `RexProgramTest#testSimplifySimpleArithmetic` the test
`#checkSimplify(div(a, nullInt), "null:INTEGER")` will failed, throws exception:
```
Expected: with toString() is "null:INTEGER"
but: toString() was "/(?0.notNullInt1, null)"
```
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