caicancai commented on code in PR #3706: URL: https://github.com/apache/calcite/pull/3706#discussion_r1503587080
########## testkit/src/main/java/org/apache/calcite/test/SqlOperatorTest.java: ########## @@ -6268,6 +6268,18 @@ void checkRegexpExtract(SqlOperatorFixture f0, FunctionAlias functionAlias) { f.checkScalar("rand_integer(2, 11)", 1, "INTEGER NOT NULL"); } + /** Test case for <a href="https://issues.apache.org/jira/browse/CALCITE-6283"> + * [CALCITE-6283] Function array_append with a NULL array argument crashes with + * NullPointerException</a>. */ + @Test void testArrayNullFunc() { + final SqlOperatorFixture f = fixture().withLibrary(SqlLibrary.SPARK); + f.checkNull("array_append(null, 2)"); + f.checkNull("array_prepend(null, 2)"); + f.checkNull("array_remove(null, 2)"); + f.checkNull("array_contains(null, 2)"); Review Comment: My problem is that array_append is to adapt to spark, but array_append(null, 2) of spark will report an error. Since it is to adapt to spark, why do I need to return null? Maybe higher spark versions have fixed it, do we need it? State this in the documentation -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@calcite.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org