suibianwanwank commented on code in PR #3936:
URL: https://github.com/apache/calcite/pull/3936#discussion_r1738134180
##########
testkit/src/main/java/org/apache/calcite/test/SqlOperatorTest.java:
##########
@@ -5185,6 +5187,61 @@ void testBitGetFunc(SqlOperatorFixture f, String
functionName) {
}
}
+ /** Test case for
+ * <a
href="https://issues.apache.org/jira/browse/CALCITE-6551";>[CALCITE-6551]
+ * Add DATE_FORMAT function (enabled in MySQL library)</a>. */
+ @Test void testDateFormat() {
+ final SqlOperatorFixture f = fixture()
+ .withTester(t -> TESTER).withLibrary(SqlLibrary.MYSQL);
+ f.setFor(SqlLibraryOperators.DATE_FORMAT);
+ final Locale originalLocale = Locale.getDefault();
+
+ try {
+ Locale.setDefault(Locale.US);
+ f.checkString("date_format(timestamp '2009-10-04 22:23:00', '%W %M %Y')",
+ "Sunday October 2009",
+ "VARCHAR NOT NULL");
+ f.checkString("date_format(timestamp '2009-10-04 22:23:00', '%H:%i:%s')",
+ "22:23:00",
+ "VARCHAR NOT NULL");
+ f.checkString("date_format(timestamp '1900-10-04 22:23:00', '%D %y %a %d
%m %b %j')",
+ "4th 00 Thu 04 10 Oct 277",
+ "VARCHAR NOT NULL");
+ f.checkString("date_format(timestamp '1997-10-04 22:23:00', '%H %k %I %r
%T %S %w')",
+ "22 22 10 10:23:00 PM 22:23:00 00 6",
+ "VARCHAR NOT NULL");
+ f.checkString("date_format(timestamp '1999-01-01', '%X %V')",
+ "1998 52",
+ "VARCHAR NOT NULL");
+ f.checkString("date_format(timestamp '1997-10-04 22:23:00.000000', '%c
%D %e %f %h')",
+ "10 4th 4 000000 10",
+ "VARCHAR NOT NULL");
+ f.checkString("date_format(timestamp '1997-01-04 22:23:00', '%w %U %u %V
%v %X %x')",
+ "6 00 01 52 01 1996 1997",
+ "VARCHAR NOT NULL");
+ f.checkString("date_format(timestamp '1997-01-05 22:23:00', '%w %U %u %V
%v %X %x')",
+ "0 01 01 01 01 1997 1997",
+ "VARCHAR NOT NULL");
+ f.checkString("date_format(timestamp '1997-01-06 22:23:00', '%w %U %u %V
%v %X %x')",
+ "1 01 02 01 02 1997 1997",
+ "VARCHAR NOT NULL");
+ f.checkString("date_format(timestamp '1997-10-04 22:23:00', '%V %v %X %x
%%')",
+ "39 40 1997 1997 %",
+ "VARCHAR NOT NULL");
Review Comment:
It throws an exception:Illegal TIMESTAMP literal, In the timestamp scenario,
this is consistent with mysql's result.
Yes, I do these tests in mysql . In fact, I write these test cases in mysql
and get the results, and then add them to test to validate
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