caicancai commented on code in PR #3586:
URL: https://github.com/apache/calcite/pull/3586#discussion_r1434801168
##########
testkit/src/main/java/org/apache/calcite/test/SqlOperatorTest.java:
##########
@@ -11859,6 +11859,42 @@ void testTimestampDiff(boolean coercionEnabled) {
f.checkNull("time_sub(CAST(NULL AS TIME), interval 5 minute)");
}
+ @Test void testDateAdd() {
+ final SqlOperatorFixture f0 = fixture()
+ .setFor(SqlLibraryOperators.DATE_ADD);
+ f0.checkFails("^date_add(date '2008-12-25', "
+ + "interval 5 day)^",
+ "No match found for function signature "
+ + "DATE_ADD\\(<DATE>, <INTERVAL_DAY_TIME>\\)", false);
+
+ final SqlOperatorFixture f = f0.withLibrary(SqlLibrary.BIG_QUERY);
+ f.checkScalar("date_add(date '2016-02-22', interval 2 day)",
+ "2016-02-24",
+ "DATE NOT NULL");
+ f.checkScalar("date_add(date '2016-02-17', interval 1 week)",
+ "2016-02-24",
+ "DATE NOT NULL");
+ f.checkScalar("date_add(date '2016-02-10', interval 2 weeks)",
+ "2016-02-24",
+ "DATE NOT NULL");
+ f.checkScalar("date_add(date '2020-10-17', interval 0 week)",
+ "2020-10-17",
+ "DATE NOT NULL");
+ f.checkScalar("date_add(date '2016-11-24', interval 3 month)",
+ "2017-02-24",
+ "DATE NOT NULL");
+ f.checkScalar("date_add(date '2015-11-24', interval 1 quarter)",
+ "2016-02-24",
+ "DATE NOT NULL");
+ f.checkScalar("date_add(date '2015-08-24', interval 2 quarters)",
+ "2016-02-24",
+ "DATE NOT NULL");
+ f.checkScalar("date_add(date '2011-02-24', interval 5 year)",
+ "2016-02-24",
+ "DATE NOT NULL");
+ f.checkNull("date_add(CAST(NULL AS DATE), interval 5 day)");
Review Comment:
Next pr fix
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