caicancai commented on code in PR #3746:
URL: https://github.com/apache/calcite/pull/3746#discussion_r1548766466
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testkit/src/main/java/org/apache/calcite/test/SqlOperatorTest.java:
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@@ -7126,6 +7126,9 @@ void checkRegexpExtract(SqlOperatorFixture f0,
FunctionAlias functionAlias) {
"Cannot apply 'ARRAYS_OVERLAP' to arguments of type 'ARRAYS_OVERLAP\\("
+ "<INTEGER ARRAY>, <BOOLEAN>\\)'. Supported form\\(s\\):
'ARRAYS_OVERLAP\\("
+ "<EQUIVALENT_TYPE>, <EQUIVALENT_TYPE>\\)'", false);
+ f.checkNull("arrays_overlap(null, null)");
Review Comment:
> I am not sure what you mean by that. This is a legal expression which
shouldn't crash the compiler.
It seems to be a bug in spark. I can help you test it on the latest code
branch of spark to see if it can be fixed.
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