cloud-fan commented on a change in pull request #33640:
URL: https://github.com/apache/spark/pull/33640#discussion_r682856406
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File path: sql/core/src/test/resources/sql-tests/results/date.sql.out
##########
@@ -0,0 +1,515 @@
+-- Automatically generated by SQLQueryTestSuite
+-- Number of queries: 60
+
+
+-- !query
+select date '2019-01-01\t'
+-- !query schema
+struct<DATE '2019-01-01':date>
+-- !query output
+2019-01-01
+
+
+-- !query
+select date '2020-01-01中文'
+-- !query schema
+struct<>
+-- !query output
+org.apache.spark.sql.catalyst.parser.ParseException
+
+Cannot parse the DATE value: 2020-01-01中文(line 1, pos 7)
+
+== SQL ==
+select date '2020-01-01中文'
+-------^^^
+
+
+-- !query
+select date'999999-03-18', date'-0001-1-28', date'0015'
+-- !query schema
+struct<DATE '+999999-03-18':date,DATE '-0001-01-28':date,DATE
'0015-01-01':date>
+-- !query output
++999999-03-18 -0001-01-28 0015-01-01
+
+
+-- !query
+select date'015'
+-- !query schema
+struct<>
+-- !query output
+org.apache.spark.sql.catalyst.parser.ParseException
+
+Cannot parse the DATE value: 015(line 1, pos 7)
+
+== SQL ==
+select date'015'
+-------^^^
+
+
+-- !query
+select date'2021-4294967297-11'
+-- !query schema
+struct<>
+-- !query output
+org.apache.spark.sql.catalyst.parser.ParseException
+
+Cannot parse the DATE value: 2021-4294967297-11(line 1, pos 7)
+
+== SQL ==
+select date'2021-4294967297-11'
+-------^^^
+
+
+-- !query
+select current_date = current_date
+-- !query schema
+struct<(current_date() = current_date()):boolean>
+-- !query output
+true
+
+
+-- !query
+select current_date() = current_date()
+-- !query schema
+struct<(current_date() = current_date()):boolean>
+-- !query output
+true
+
+
+-- !query
+select DATE_FROM_UNIX_DATE(0), DATE_FROM_UNIX_DATE(1000),
DATE_FROM_UNIX_DATE(null)
+-- !query schema
+struct<date_from_unix_date(0):date,date_from_unix_date(1000):date,date_from_unix_date(NULL):date>
+-- !query output
+1970-01-01 1972-09-27 NULL
+
+
+-- !query
+select UNIX_DATE(DATE('1970-01-01')), UNIX_DATE(DATE('2020-12-04')),
UNIX_DATE(null)
+-- !query schema
+struct<unix_date(1970-01-01):int,unix_date(2020-12-04):int,unix_date(NULL):int>
+-- !query output
+0 18600 NULL
+
+
+-- !query
+select to_date(null), to_date('2016-12-31'), to_date('2016-12-31',
'yyyy-MM-dd')
+-- !query schema
+struct<to_date(NULL):date,to_date(2016-12-31):date,to_date(2016-12-31,
yyyy-MM-dd):date>
+-- !query output
+NULL 2016-12-31 2016-12-31
+
+
+-- !query
+select to_date("16", "dd")
+-- !query schema
+struct<to_date(16, dd):date>
+-- !query output
+1970-01-16
+
+
+-- !query
+select to_date("02-29", "MM-dd")
+-- !query schema
+struct<to_date(02-29, MM-dd):date>
+-- !query output
+NULL
+
+
+-- !query
+select dayofweek('2007-02-03'), dayofweek('2009-07-30'),
dayofweek('2017-05-27'),
+ dayofweek(null), dayofweek('1582-10-15 13:10:15'),
dayofweek(timestamp'1582-10-15 13:10:15')
+-- !query schema
+struct<dayofweek(2007-02-03):int,dayofweek(2009-07-30):int,dayofweek(2017-05-27):int,dayofweek(NULL):int,dayofweek(1582-10-15
13:10:15):int,dayofweek(TIMESTAMP '1582-10-15 13:10:15'):int>
+-- !query output
+7 5 7 NULL 6 6
+
+
+-- !query
+select weekday('2007-02-03'), weekday('2009-07-30'), weekday('2017-05-27'),
+ weekday(null), weekday('1582-10-15 13:10:15'), weekday(timestamp'1582-10-15
13:10:15')
+-- !query schema
+struct<weekday(2007-02-03):int,weekday(2009-07-30):int,weekday(2017-05-27):int,weekday(NULL):int,weekday(1582-10-15
13:10:15):int,weekday(TIMESTAMP '1582-10-15 13:10:15'):int>
+-- !query output
+5 3 5 NULL 4 4
+
+
+-- !query
+select year('1500-01-01'), year('1582-10-15 13:10:15'),
year(timestamp'1582-10-15 13:10:15')
+-- !query schema
+struct<year(1500-01-01):int,year(1582-10-15 13:10:15):int,year(TIMESTAMP
'1582-10-15 13:10:15'):int>
+-- !query output
+1500 1582 1582
+
+
+-- !query
+select month('1500-01-01'), month('1582-10-15 13:10:15'),
month(timestamp'1582-10-15 13:10:15')
+-- !query schema
+struct<month(1500-01-01):int,month(1582-10-15 13:10:15):int,month(TIMESTAMP
'1582-10-15 13:10:15'):int>
+-- !query output
+1 10 10
+
+
+-- !query
+select dayOfYear('1500-01-01'), dayOfYear('1582-10-15 13:10:15'),
dayOfYear(timestamp'1582-10-15 13:10:15')
+-- !query schema
+struct<dayofyear(1500-01-01):int,dayofyear(1582-10-15
13:10:15):int,dayofyear(TIMESTAMP '1582-10-15 13:10:15'):int>
+-- !query output
+1 288 288
+
+
+-- !query
+select next_day("2015-07-23", "Mon")
+-- !query schema
+struct<next_day(2015-07-23, Mon):date>
+-- !query output
+2015-07-27
+
+
+-- !query
+select next_day("2015-07-23", "xx")
+-- !query schema
+struct<next_day(2015-07-23, xx):date>
+-- !query output
+NULL
+
+
+-- !query
+select next_day("2015-07-23 12:12:12", "Mon")
+-- !query schema
+struct<next_day(2015-07-23 12:12:12, Mon):date>
+-- !query output
+2015-07-27
+
+
+-- !query
+select next_day(timestamp"2015-07-23 12:12:12", "Mon")
Review comment:
This works in non-ansi mode but not ansi mode.
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