chucheng92 commented on code in PR #3355:
URL: https://github.com/apache/calcite/pull/3355#discussion_r1507003753
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testkit/src/main/java/org/apache/calcite/test/SqlOperatorTest.java:
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@@ -6015,6 +6037,16 @@ private static void checkIf(SqlOperatorFixture f) {
f.checkNull("array_intersect(cast(null as integer array), array[1])");
f.checkNull("array_intersect(array[1], cast(null as integer array))");
f.checkNull("array_intersect(cast(null as integer array), cast(null as
integer array))");
+
+ // check null without cast
+ f.checkFails("^array_intersect(array[1, 2], null)^",
+ "Cannot apply 'ARRAY_INTERSECT' to arguments of type
'ARRAY_INTERSECT\\(<INTEGER ARRAY>, "
+ + "<NULL>\\)'\\. Supported form\\(s\\):
'ARRAY_INTERSECT\\(<EQUIVALENT_TYPE>, "
+ + "<EQUIVALENT_TYPE>\\)'", false);
+ f.checkFails("^array_intersect(null, array[1, 2])^",
Review Comment:
yes, added it.
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