tanclary commented on code in PR #3194:
URL: https://github.com/apache/calcite/pull/3194#discussion_r1190144100
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testkit/src/main/java/org/apache/calcite/test/SqlOperatorTest.java:
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@@ -5361,6 +5361,28 @@ private static void checkIf(SqlOperatorFixture f) {
f.checkNull("array_length(null)");
}
+ /** Tests {@code MAP_KEYS} function from Spark. */
+ @Test void testMapKeysFunc() {
+ final SqlOperatorFixture f = fixture()
+ .setFor(SqlLibraryOperators.MAP_KEYS)
Review Comment:
I think it could be good to write a test that fails if library is not set to
Spark (you only want it to work for Spark).
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