#
# test of problem with date fields
#
--disable_warnings
drop table if exists t1,t2;
--enable_warnings

create table t1 (a char(16), b date, c datetime);
insert into t1 SET a='test 2000-01-01', b='2000-01-01', c='2000-01-01';
select * from t1 where c = '2000-01-01';
select * from t1 where b = '2000-01-01';
drop table t1;

#
# problem with date conversions
#

CREATE TABLE t1 (name char(6),cdate date);
INSERT INTO t1 VALUES ('name1','1998-01-01');
INSERT INTO t1 VALUES ('name2','1998-01-01');
INSERT INTO t1 VALUES ('name1','1998-01-02');
INSERT INTO t1 VALUES ('name2','1998-01-02');
CREATE TABLE t2 (cdate date, note char(6));
INSERT INTO t2 VALUES ('1998-01-01','note01');
INSERT INTO t2 VALUES ('1998-01-02','note02');
select name,t1.cdate,note from t1,t2 where t1.cdate=t2.cdate and t1.cdate='1998-01-01';
drop table t1,t2;

# MariaDB lp:993103. WHERE LAST_DAY(zero_date) IS NULL does not evaluate to TRUE.

CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES(1);
SELECT * FROM t1 WHERE LAST_DAY('0000-00-00 00:00:00') IS NULL;
DROP TABLE t1;

#
# Date and BETWEEN
#

CREATE TABLE t1 ( datum DATE );
INSERT INTO t1 VALUES ( "2000-1-1" );
INSERT INTO t1 VALUES ( "2000-1-2" );
INSERT INTO t1 VALUES ( "2000-1-3" );
INSERT INTO t1 VALUES ( "2000-1-4" );
INSERT INTO t1 VALUES ( "2000-1-5" );
SELECT * FROM t1 WHERE datum BETWEEN cast("2000-1-2" as date) AND cast("2000-1-4" as date);
SELECT * FROM t1 WHERE datum BETWEEN cast("2000-1-2" as date) AND datum - INTERVAL 100 DAY;
DROP TABLE t1;

#
# test of max(date) and having
#

CREATE TABLE t1 (
  user_id char(10),
  summa int(11),
  rdate date
);
INSERT INTO t1 VALUES ('aaa',100,'1998-01-01');
INSERT INTO t1 VALUES ('aaa',200,'1998-01-03');
INSERT INTO t1 VALUES ('bbb',50,'1998-01-02');
INSERT INTO t1 VALUES ('bbb',200,'1998-01-04');
select max(rdate) as s from t1 where rdate < '1998-01-03' having s> "1998-01-01";
select max(rdate) as s from t1 having s="1998-01-04";
select max(rdate+0) as s from t1 having s="19980104";
drop table t1;

#
# Test of date and not null
#

create table t1 (date date);
insert into t1 values ("2000-08-10"),("2000-08-11");
select date_add(date,INTERVAL 1 DAY),date_add(date,INTERVAL 1 SECOND) from t1;
drop table t1;

#
# Test problem with DATE_FORMAT
#

CREATE TABLE t1(AFIELD INT);
INSERT INTO t1 VALUES(1);
CREATE TABLE t2(GMT  VARCHAR(32));
INSERT INTO t2 VALUES('GMT-0800');
SELECT DATE_FORMAT("2002-03-06 10:11:12", CONCAT('%a, %d %M %Y %H:%i:%s ', t2.GMT))
FROM t1, t2 GROUP BY t1.AFIELD;
INSERT INTO t1 VALUES(1);
SELECT DATE_FORMAT("2002-03-06 10:11:12", CONCAT('%a, %d %M %Y %H:%i:%s ', t2.GMT)),
       DATE_FORMAT("2002-03-06 10:11:12", CONCAT('%a, %d %M %Y %H:%i:%s ', t2.GMT))
FROM t1,t2 GROUP BY t1.AFIELD;
drop table t1,t2;

#
# Multiple SELECT DATE_FORMAT gave incorrect results (Bug #4036)
#

CREATE TABLE t1 (f1 time default NULL, f2 time default NULL);
INSERT INTO t1 (f1, f2) VALUES ('09:00', '12:00');
SELECT DATE_FORMAT(f1, "%l.%i %p") , DATE_FORMAT(f2, "%l.%i %p") FROM t1;
DROP TABLE t1;

#
# Bug#4937: different date -> string conversion when using SELECT ... UNION
# and INSERT ... SELECT ... UNION
#

CREATE TABLE t1 (f1 DATE);
CREATE TABLE t2 (f2 VARCHAR(8));
CREATE TABLE t3 (f2 CHAR(8));

INSERT INTO t1 VALUES ('1978-11-26');
INSERT INTO t2 SELECT f1+0 FROM t1;
INSERT INTO t2 SELECT f1+0 FROM t1 UNION SELECT f1+0 FROM t1;
INSERT INTO t3 SELECT f1+0 FROM t1;
INSERT INTO t3 SELECT f1+0 FROM t1 UNION SELECT f1+0 FROM t1;
SELECT * FROM t2;
SELECT * FROM t3;

DROP TABLE t1, t2, t3;

# Test that setting YEAR to invalid string results in default value, not
# 2000. (Bug #6067)
CREATE TABLE t1 (y YEAR);
INSERT INTO t1 VALUES ('abc');
SELECT * FROM t1;
DROP TABLE t1;

#
# Bug#21677: Wrong result when comparing a DATE and a DATETIME in BETWEEN
#
create table t1(start_date date, end_date date);
insert into t1 values ('2000-01-01','2000-01-02');
select 1 from t1 where cast('2000-01-01 12:01:01' as datetime) between start_date and end_date;
drop table t1;
# End of 4.1 tests

#
# Bug #23093: Implicit conversion of 9912101 to date does not match
# cast(9912101 as date)
#
select @d:=1111;
select year(@d), month(@d), day(@d), cast(@d as date);
select @d:=011111;
select year(@d), month(@d), day(@d), cast(@d as date);
select @d:=1311;
select year(@d), month(@d), day(@d), cast(@d as date);
create table t1 (d  date , dt datetime , ts timestamp);
insert into t1 values (9912101,9912101,9912101);
insert into t1 values (11111,11111,11111);
select * from t1;
drop table t1;

#
# Bug#30942: select str_to_date from derived table returns varying results
#
CREATE TABLE t1 (
  a INT
);

INSERT INTO t1 VALUES (1);
INSERT INTO t1 VALUES (NULL);

SELECT str_to_date( '', a ) FROM t1;
DROP TABLE t1;


#
# Bug#31221: Optimizer incorrectly identifies impossible WHERE clause
#

CREATE TABLE t1 (a DATE, b INT, PRIMARY KEY (a,b));
## The current sub test could fail (difference to expected result) if we
## have just reached midnight.
## (Bug#41776 type_date.test may fail if run around midnight)
## Therefore we sleep a bit if we are too close to midnight.
## The complete test itself needs in average less than 1 second.
## Therefore a time_distance to midnight of 5 seconds should be sufficient.
if (`SELECT CURTIME() > SEC_TO_TIME(24 * 3600 - 5)`)
{
   # We are here when CURTIME() is between '23:59:56' and '23:59:59'.
   # So a sleep time of 5 seconds brings us between '00:00:01' and '00:00:04'.
   --real_sleep 5
}
INSERT INTO t1 VALUES (DATE(NOW()), 1);
SELECT COUNT(*) FROM t1 WHERE a = NOW();
EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();
INSERT INTO t1 VALUES (DATE(NOW()), 2);
SELECT COUNT(*) FROM t1 WHERE a = NOW();
EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();
SELECT COUNT(*) FROM t1 WHERE a = NOW() AND b = 1;
EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW() AND b = 1;
ALTER TABLE t1 DROP PRIMARY KEY;
SELECT COUNT(*) FROM t1 WHERE a = NOW();
EXPLAIN SELECT COUNT(*) FROM t1 WHERE a = NOW();

DROP TABLE t1;

#
# Bug#28687: Search fails on '0000-00-00' date after sql_mode change
#

CREATE TABLE t1 (a DATE);
CREATE TABLE t2 (a DATE);
CREATE INDEX i ON t1 (a);
INSERT INTO t1 VALUES ('0000-00-00'),('0000-00-00');
INSERT INTO t2 VALUES ('0000-00-00'),('0000-00-00');
SELECT * FROM t1 WHERE a = '0000-00-00';
SELECT * FROM t2 WHERE a = '0000-00-00';
SET SQL_MODE=TRADITIONAL;
EXPLAIN SELECT * FROM t1 WHERE a = '0000-00-00';
SELECT * FROM t1 WHERE a = '0000-00-00';
SELECT * FROM t2 WHERE a = '0000-00-00';
--error ER_TRUNCATED_WRONG_VALUE
INSERT INTO t1 VALUES ('0000-00-00');
SET SQL_MODE=DEFAULT;
DROP TABLE t1,t2;

#
# Bug #31928: Search fails on '1000-00-00' date after sql_mode change
#

CREATE TABLE t1 (a DATE);
CREATE TABLE t2 (a DATE);
CREATE INDEX i ON t1 (a);
INSERT INTO t1 VALUES ('1000-00-00'),('1000-00-00');
INSERT INTO t2 VALUES ('1000-00-00'),('1000-00-00');
SELECT * FROM t1 WHERE a = '1000-00-00';
SELECT * FROM t2 WHERE a = '1000-00-00';
SET SQL_MODE=TRADITIONAL;
EXPLAIN SELECT * FROM t1 WHERE a = '1000-00-00';
SELECT * FROM t1 WHERE a = '1000-00-00';
SELECT * FROM t2 WHERE a = '1000-00-00';
--error ER_TRUNCATED_WRONG_VALUE
INSERT INTO t1 VALUES ('1000-00-00');
SET SQL_MODE=DEFAULT;
DROP TABLE t1,t2;

#
# Bug #31990: MINUTE() and SECOND() return bogus results when used on a DATE
#

CREATE TABLE t1 SELECT curdate() AS f1;
SELECT hour(f1), minute(f1), second(f1) FROM t1;
DROP TABLE t1;

--echo End of 5.0 tests

#
# Bug#32021: Using Date 000-00-01 in WHERE causes wrong result
#
create table t1 (a date, primary key (a))engine=memory;
insert into t1 values ('0000-01-01'), ('0000-00-01'), ('0001-01-01');
select * from t1 where a between '0000-00-01' and '0000-00-02';
drop table t1;

--echo #
--echo # Bug#50918: Date columns treated differently in Views than in Base
--echo # Tables
--echo #
CREATE TABLE t1 ( the_date DATE, the_time TIME );
INSERT INTO t1 VALUES ( '2010-01-01', '01:01:01' );

SELECT * FROM t1 t11 JOIN t1 t12 ON addtime( t11.the_date, t11.the_time ) = 
                                    addtime( t12.the_date, t12.the_time );

CREATE VIEW v1 AS SELECT * FROM t1;
SELECT * FROM t1 JOIN v1 ON addtime( t1.the_date, t1.the_time ) = 
                            addtime( v1.the_date, v1.the_time );

SELECT * FROM t1 JOIN v1 ON addtime( t1.the_date, t1.the_time ) = 
                            addtime( cast(v1.the_date AS DATETIME), v1.the_time );

DROP TABLE t1;
DROP VIEW v1;

--echo #
--echo # Bug#59685 crash in String::length with date types
--echo #

CREATE TABLE t1(a DATE, b YEAR, KEY(a));
INSERT INTO t1 VALUES ('2011-01-01',2011);

SELECT b = (SELECT CONVERT(a, DATE) FROM t1 GROUP BY a) FROM t1;
SELECT b = CONVERT((SELECT CONVERT(a, DATE) FROM t1 GROUP BY a), DATE) FROM t1;

DROP TABLE t1;

--echo End of 5.1 tests

#
# lp:737496 Field_temporal::store_TIME_with_warning() in 5.1-micro
#
create table t1 (f1 date, key (f1));
insert t1 values ('2010-10-10 15:foobar');
drop table t1;

--echo #
--echo # MDEV-4634 Crash in CONVERT_TZ
--echo #
SELECT CONVERT_TZ(GREATEST(DATE('2021-00-00'),DATE('2022-00-00')),'+00:00','+7:5');

--echo #
--echo # MDEV-4804 Date comparing false result 
--echo #
SET @h0="20111107";
SET @h1="0";
SET @@timestamp=UNIX_TIMESTAMP('2013-08-19 20:30:00');
SELECT
  COALESCE(DATE(@h0),DATE("1901-01-01")) AS h0d,
  COALESCE(DATE(@h1),DATE(NOW())) AS h1d,
  COALESCE(DATE(@h0),DATE("1901-01-01"))>COALESCE(DATE(@h1),DATE(NOW())) AS compare_h0_gt_h1;
SELECT
  DATE('20011107'),
  DATE('0'),
  COALESCE(DATE('0'),CURRENT_DATE) AS d1,
  DATE('20011107')>COALESCE(DATE('0'),CURRENT_DATE) AS cmp;
SELECT
  DATE('20011107'),
  DATE('0'),
  IFNULL(DATE('0'),CURRENT_DATE) AS d1,
  DATE('20011107')>IFNULL(DATE('0'),CURRENT_DATE) AS cmp;

--echo #
--echo # MDEV-5041 Inserting a TIME with hour>24 into a DATETIME column produces a wrong value
--echo #
SELECT CAST(TIME('-800:20:30') AS DATE);
SELECT CAST(TIME('800:20:30') AS DATE);
SELECT CAST(TIME('33 08:20:30') AS DATE);
CREATE TABLE t1 (a DATE);
INSERT INTO t1 VALUES (TIME('800:20:30'));
INSERT INTO t1 VALUES (TIME('33 08:20:30'));
SET SQL_MODE=NO_ZERO_IN_DATE;
INSERT INTO t1 VALUES (TIME('48:20:30'));
SET SQL_MODE=DEFAULT;
SELECT * FROM t1;
DROP TABLE t1;
DELIMITER |;
CREATE PROCEDURE test5041()
BEGIN
  DECLARE t TIME;
  DECLARE d DATE;
  SET t= TIME('800:00:00');
  SET d= t;
  SELECT d;
END;|
DELIMITER ;|
call test5041();
drop procedure test5041;

SET @@timestamp=DEFAULT;
--echo #
--echo # End of 5.3 tests
--echo #

--echo #
--echo # Bug #33629: last_day function can return null, but has 'not null'
--echo #             flag set for result
--echo #

SELECT 1 FROM (SELECT LAST_DAY('0')) a;
SELECT 1 FROM (SELECT MAKEDATE(2011,0)) a;

CREATE TABLE t1 AS
  SELECT LAST_DAY('1970-01-01') AS f1,
         MAKEDATE(1970, 1)      AS f2;
DESCRIBE t1;
DROP TABLE t1;

--echo #

--echo #
--echo # Bug#57278: Crash on min/max + with date out of range.
--echo #
set @a=(select min(makedate('111','1'))) ;
select @a;
--echo #

--echo #
--echo # BUG LP:1008487 virtual bool Item_cache::is_expensive(): Assertion `example' failed
--echo #
create table t1(a date,key(a));
insert into t1 values ('2012-01-01'),('2012-02-02');
explain
select 1 from t1 as t1_0 inner join t1 as t2 on (t1_0.a <=> now()) join t1 on 1;
select 1 from t1 as t1_0 inner join t1 as t2 on (t1_0.a <=> now()) join t1 on 1;
drop table t1;

--echo #
--echo # Start of 10.1 tests
--echo #

let type=DATE;
let defval='0000-00-00';
--source include/type_temporal_zero_default.inc

--echo #
--echo # MDEV-8722 The patch for MDEV-8688 disabled equal field propagation for temporal column and BETWEEN and IN
--echo #
CREATE TABLE t1 (a DATE);
INSERT INTO t1 VALUES ('2001-01-01'),('2001-01-02');
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='2001-01-01' AND a BETWEEN '2001-01-01' AND '2001-01-02';
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='2001-01-01' AND a IN ('2001-01-01','2001-01-02');
DROP TABLE t1;


--echo #
--echo # End of 10.1 tests
--echo #

--echo #
--echo # Start of 10.1 tests
--echo #

--echo #
--echo #     MDEV-8699 Wrong result for SELECT..WHERE HEX(date_column)!='323030312D30312D3031' AND date_column='2001-01-01x'
--echo #
# Trailing garbage in string literals
CREATE TABLE t1 (a DATE);
INSERT INTO t1 VALUES ('2001-01-01'),('2001-01-02');
SELECT * FROM t1 WHERE a='2001-01-01x';
SELECT * FROM t1 WHERE HEX(a)!='323030312D30312D3031';
SELECT * FROM t1 WHERE HEX(a)!='323030312D30312D3031' AND a='2001-01-01x';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE HEX(a)!='323030312D30312D3031' AND a='2001-01-01x';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE HEX(a)!=CONCAT('xx',RAND()) AND a='2001-01-01x';
DROP TABLE t1;

# Leading spaces in string literals
CREATE TABLE t1 (a DATE);
INSERT INTO t1 VALUES ('2001-01-01'),('2001-01-02');
SELECT * FROM t1 WHERE LENGTH(a)=11;
SELECT * FROM t1 WHERE LENGTH(a)=11 AND a=' 2001-01-01';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=11 AND a=' 2001-01-01';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=11+RAND() AND a=' 2001-01-01';
# This should not propagate
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=11+RAND() AND a=' garbage ';
DROP TABLE t1;

# Numeric format in string literals
CREATE TABLE t1 (a DATE);
INSERT INTO t1 VALUES ('2001-01-01'),('2001-01-01');
SELECT * FROM t1 WHERE LENGTH(a)=8;
SELECT * FROM t1 WHERE LENGTH(a)=8 AND a='20010101';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=8 AND a='20010101';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=8+RAND() AND a='20010101';
DROP TABLE t1;

--echo #
--echo # MDEV-8706 Wrong result for SELECT..WHERE time_column=TIMESTAMP'2015-08-30 00:00:00' AND time_column='00:00:00'
--echo #
SET timestamp=UNIX_TIMESTAMP('2015-08-30 10:20:30');

CREATE TABLE t1 (a DATE);
INSERT INTO t1 VALUES ('2015-08-30'),('2015-08-31');
SELECT * FROM t1 WHERE a=TIME'00:00:00';
SELECT * FROM t1 WHERE LENGTH(a)=10;
SELECT * FROM t1 WHERE LENGTH(a)=10 AND a=TIME'00:00:00';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=10 AND a=TIME'00:00:00';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIME'00:00:00';
DROP TABLE t1;

# Special case: zero TIME part after conversion to DATETIME
CREATE TABLE t1 (a DATE);
INSERT INTO t1 VALUES ('2015-08-30'),('2015-08-31');
SELECT * FROM t1 WHERE a=TIME'24:00:00';
SELECT * FROM t1 WHERE LENGTH(a)=10;
SELECT * FROM t1 WHERE LENGTH(a)=10 AND a=TIME'24:00:00';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=10 AND a=TIME'24:00:00';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIME'24:00:00';
DROP TABLE t1;

--echo # In this example '00:00:00' is not recognized as TIME'00:00:00'
--echo # and is treated as DATE'0000-00-00'.
--echo # This may change after MDEV-8322 Distinguish between time and date strings more carefully 
CREATE TABLE t1 (a DATE);
INSERT INTO t1 VALUES ('2015-08-30'),('2015-08-31');
SELECT * FROM t1 WHERE a='00:00:00';
SELECT * FROM t1 WHERE LENGTH(a)=10;
SELECT * FROM t1 WHERE LENGTH(a)=10 AND a='00:00:00';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=10 AND a='00:00:00';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a='00:00:00';
DROP TABLE t1;

# DATETIME native literal
CREATE TABLE t1 (a DATE);
INSERT INTO t1 VALUES ('2015-08-30'),('2015-08-31');
SELECT * FROM t1 WHERE a=TIMESTAMP'2015-08-30 00:00:00';
SELECT * FROM t1 WHERE LENGTH(a)=10;
SELECT * FROM t1 WHERE LENGTH(a)=10 AND a=TIMESTAMP'2015-08-30 00:00:00';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=10 AND a=TIMESTAMP'2015-08-30 00:00:00';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIMESTAMP'2015-08-30 00:00:00';
DROP TABLE t1;

# DATETIME native literal with non-zero time
CREATE TABLE t1 (a DATE);
INSERT INTO t1 VALUES ('2015-08-30'),('2015-08-31');
SELECT * FROM t1 WHERE a=TIMESTAMP'2015-08-30 00:00:00.1';
SELECT * FROM t1 WHERE LENGTH(a)=10;
SELECT * FROM t1 WHERE LENGTH(a)=10 AND a=TIMESTAMP'2015-08-30 00:00:00.1';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=10 AND a=TIMESTAMP'2015-08-30 00:00:00.1';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIMESTAMP'2015-08-30 00:00:00.1';
DROP TABLE t1;

# DATETIME-alike string literal
CREATE TABLE t1 (a DATE);
INSERT INTO t1 VALUES ('2015-08-30'),('2015-08-31');
SELECT * FROM t1 WHERE a='2015-08-30 00:00:00';
SELECT * FROM t1 WHERE LENGTH(a)=10;
SELECT * FROM t1 WHERE LENGTH(a)=10 AND a='2015-08-30 00:00:00';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=10 AND a='2015-08-30 00:00:00';
EXPLAIN EXTENDED
SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a='2015-08-30 00:00:00';
DROP TABLE t1;

SET timestamp=DEFAULT;

--echo #
--echo # MDEV-8795 Equal expression propagation does not work for temporal literals
--echo #
CREATE TABLE t1 (a DATE);
INSERT INTO t1 VALUES ('2001-01-01'),('2001-01-02');
EXPLAIN EXTENDED SELECT * FROM t1 WHERE COALESCE(a)=DATE'2001-01-01' AND COALESCE(a)>=DATE'2001-01-01';
DROP TABLE t1;

--echo #
--echo # MDEV-8658 DATE(zerofill_column) and DATE(COALESCE(zerofill_column)) return different results
--echo #
CREATE TABLE t1 (a INT(6) ZEROFILL, b DECIMAL(6) ZEROFILL, c DOUBLE(6,0) ZEROFILL);
INSERT INTO t1 VALUES (1,1,1);
INSERT INTO t1 VALUES (10101,10101,10101);
SELECT DATE(a), DATE(b), DATE(c) FROM t1;
SELECT DATE(COALESCE(a)), DATE(COALESCE(b)), DATE(COALESCE(c)) FROM t1;
DROP TABLE t1;
CREATE TABLE t1 (a INT(6), b DECIMAL(6), c DOUBLE(6,0));
INSERT INTO t1 VALUES (1,1,1);
INSERT INTO t1 VALUES (10101,10101,10101);
SELECT DATE(a), DATE(b), DATE(c) FROM t1;
SELECT DATE(COALESCE(a)), DATE(COALESCE(b)), DATE(COALESCE(c)) FROM t1;
DROP TABLE t1;


--echo #
--echo # End of 10.1 tests
--echo #