Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 577 insertions, 0 deletions

diff --git a/mysql-test/main/case.result b/mysql-test/main/case.result
new file mode 100644
index 00000000..fcabbc1a
--- /dev/null
+++ b/mysql-test/main/case.result
@@ -0,0 +1,577 @@
+drop table if exists t1, t2;
+select CASE "b" when "a" then 1 when "b" then 2 END as exp;
+exp
+2
+select CASE "c" when "a" then 1 when "b" then 2 END as exp;
+exp
+NULL
+select CASE "c" when "a" then 1 when "b" then 2 ELSE 3 END as exp;
+exp
+3
+select CASE BINARY "b" when "a" then 1 when "B" then 2 WHEN "b" then "ok" END as exp;
+exp
+ok
+select CASE "b" when "a" then 1 when binary "B" then 2 WHEN "b" then "ok" END as exp;
+exp
+ok
+select CASE concat("a","b") when concat("ab","") then "a" when "b" then "b" end as exp;
+exp
+a
+select CASE when 1=0 then "true" else "false" END as exp;
+exp
+false
+select CASE 1 when 1 then "one" WHEN 2 then "two" ELSE "more" END as exp;
+exp
+one
+explain extended select CASE 1 when 1 then "one" WHEN 2 then "two" ELSE "more" END as exp;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+Warnings:
+Note	1003	select case 1 when 1 then 'one' when 2 then 'two' else 'more' end AS `exp`
+select CASE 2.0 when 1 then "one" WHEN 2.0 then "two" ELSE "more" END as exp;
+exp
+two
+select (CASE "two" when "one" then "1" WHEN "two" then "2" END) | 0 as exp;
+exp
+2
+select (CASE "two" when "one" then 1.00 WHEN "two" then 2.00 END) +0.0 as exp;
+exp
+2.00
+select case 1/0 when "a" then "true" else "false" END as exp;
+exp
+false
+Warnings:
+Warning	1365	Division by 0
+select case 1/0 when "a" then "true" END as exp;
+exp
+NULL
+Warnings:
+Warning	1365	Division by 0
+select (case 1/0 when "a" then "true" END) | 0 as exp;
+exp
+NULL
+Warnings:
+Warning	1365	Division by 0
+select (case 1/0 when "a" then "true" END) + 0.0 as exp;
+exp
+NULL
+Warnings:
+Warning	1365	Division by 0
+select case when 1>0 then "TRUE" else "FALSE" END as exp;
+exp
+TRUE
+select case when 1<0 then "TRUE" else "FALSE" END as exp;
+exp
+FALSE
+create table t1 (a int);
+insert into t1 values(1),(2),(3),(4);
+select case a when 1 then 2 when 2 then 3 else 0 end as fcase, count(*) from t1 group by fcase;
+fcase	count(*)
+0	2
+2	1
+3	1
+explain extended select case a when 1 then 2 when 2 then 3 else 0 end as fcase, count(*) from t1 group by fcase;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	4	100.00	Using temporary; Using filesort
+Warnings:
+Note	1003	select case `test`.`t1`.`a` when 1 then 2 when 2 then 3 else 0 end AS `fcase`,count(0) AS `count(*)` from `test`.`t1` group by case `test`.`t1`.`a` when 1 then 2 when 2 then 3 else 0 end
+select case a when 1 then "one" when 2 then "two" else "nothing" end as fcase, count(*) from t1 group by fcase;
+fcase	count(*)
+nothing	2
+one	1
+two	1
+drop table t1;
+create table t1 (row int not null, col int not null, val varchar(255) not null);
+insert into t1 values (1,1,'orange'),(1,2,'large'),(2,1,'yellow'),(2,2,'medium'),(3,1,'green'),(3,2,'small');
+select max(case col when 1 then val else null end) as color from t1 group by row;
+color
+orange
+yellow
+green
+drop table t1;
+SET NAMES latin1;
+CREATE TABLE t1 SELECT 
+CASE WHEN 1 THEN _latin1'a' COLLATE latin1_danish_ci ELSE _latin1'a' END AS c1,
+CASE WHEN 1 THEN _latin1'a' ELSE _latin1'a' COLLATE latin1_danish_ci END AS c2,
+CASE WHEN 1 THEN 'a' ELSE  1  END AS c3,
+CASE WHEN 1 THEN  1  ELSE 'a' END AS c4,
+CASE WHEN 1 THEN 'a' ELSE 1.0 END AS c5,
+CASE WHEN 1 THEN 1.0 ELSE 'a' END AS c6,
+CASE WHEN 1 THEN  1  ELSE 1.0 END AS c7,
+CASE WHEN 1 THEN 1.0 ELSE  1  END AS c8,
+CASE WHEN 1 THEN 1.0 END AS c9,
+CASE WHEN 1 THEN 0.1e1 else 0.1 END AS c10,
+CASE WHEN 1 THEN 0.1e1 else 1 END AS c11,
+CASE WHEN 1 THEN 0.1e1 else '1' END AS c12
+;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `c1` varchar(1) CHARACTER SET latin1 COLLATE latin1_danish_ci DEFAULT NULL,
+  `c2` varchar(1) CHARACTER SET latin1 COLLATE latin1_danish_ci DEFAULT NULL,
+  `c3` varchar(1) NOT NULL,
+  `c4` varchar(1) NOT NULL,
+  `c5` varchar(4) NOT NULL,
+  `c6` varchar(4) NOT NULL,
+  `c7` decimal(2,1) NOT NULL,
+  `c8` decimal(2,1) NOT NULL,
+  `c9` decimal(2,1) DEFAULT NULL,
+  `c10` double NOT NULL,
+  `c11` double NOT NULL,
+  `c12` varchar(5) NOT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
+DROP TABLE t1;
+SELECT CASE 
+WHEN 1 
+THEN _latin1'a' COLLATE latin1_danish_ci 
+ELSE _latin1'a' COLLATE latin1_swedish_ci
+END;
+ERROR HY000: Illegal mix of collations (latin1_danish_ci,EXPLICIT) and (latin1_swedish_ci,EXPLICIT) for operation 'case'
+SELECT CASE _latin1'a' COLLATE latin1_general_ci
+WHEN _latin1'a' COLLATE latin1_danish_ci  THEN 1
+WHEN _latin1'a' COLLATE latin1_swedish_ci THEN 2
+END;
+ERROR HY000: Illegal mix of collations (latin1_general_ci,EXPLICIT), (latin1_danish_ci,EXPLICIT), (latin1_swedish_ci,EXPLICIT) for operation 'case'
+SELECT 
+CASE _latin1'a' COLLATE latin1_general_ci  WHEN _latin1'A' THEN '1' ELSE 2 END as e1,
+CASE _latin1'a' COLLATE latin1_bin         WHEN _latin1'A' THEN '1' ELSE 2 END as e2,
+CASE _latin1'a' WHEN _latin1'A' COLLATE latin1_swedish_ci THEN '1' ELSE 2 END as e3,
+CASE _latin1'a' WHEN _latin1'A' COLLATE latin1_bin        THEN '1' ELSE 2 END as e4
+;
+e1	e2	e3	e4
+1	2	1	2
+CREATE TABLE t1 SELECT COALESCE(_latin1'a',_latin2'a');
+ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE) and (latin2_general_ci,COERCIBLE) for operation 'coalesce'
+CREATE TABLE t1 SELECT COALESCE('a' COLLATE latin1_swedish_ci,'b' COLLATE latin1_bin);
+ERROR HY000: Illegal mix of collations (latin1_swedish_ci,EXPLICIT) and (latin1_bin,EXPLICIT) for operation 'coalesce'
+CREATE TABLE t1 SELECT 
+COALESCE(1), COALESCE(1.0),COALESCE('a'),
+COALESCE(1,1.0), COALESCE(1,'1'),COALESCE(1.1,'1'),
+COALESCE('a' COLLATE latin1_bin,'b');
+explain extended SELECT 
+COALESCE(1), COALESCE(1.0),COALESCE('a'),
+COALESCE(1,1.0), COALESCE(1,'1'),COALESCE(1.1,'1'),
+COALESCE('a' COLLATE latin1_bin,'b');
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+Warnings:
+Note	1003	select coalesce(1) AS `COALESCE(1)`,coalesce(1.0) AS `COALESCE(1.0)`,coalesce('a') AS `COALESCE('a')`,coalesce(1,1.0) AS `COALESCE(1,1.0)`,coalesce(1,'1') AS `COALESCE(1,'1')`,coalesce(1.1,'1') AS `COALESCE(1.1,'1')`,coalesce('a' collate latin1_bin,'b') AS `COALESCE('a' COLLATE latin1_bin,'b')`
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `COALESCE(1)` int(1) NOT NULL,
+  `COALESCE(1.0)` decimal(2,1) NOT NULL,
+  `COALESCE('a')` varchar(1) NOT NULL,
+  `COALESCE(1,1.0)` decimal(2,1) NOT NULL,
+  `COALESCE(1,'1')` varchar(1) NOT NULL,
+  `COALESCE(1.1,'1')` varchar(4) NOT NULL,
+  `COALESCE('a' COLLATE latin1_bin,'b')` varchar(1) CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
+DROP TABLE t1;
+CREATE TABLE t1 SELECT IFNULL('a' COLLATE latin1_swedish_ci, 'b' COLLATE latin1_bin);
+ERROR HY000: Illegal mix of collations (latin1_swedish_ci,EXPLICIT) and (latin1_bin,EXPLICIT) for operation 'ifnull'
+SELECT 'case+union+test'
+UNION 
+SELECT CASE LOWER('1') WHEN LOWER('2') THEN 'BUG' ELSE 'nobug' END;
+case+union+test
+case+union+test
+nobug
+SELECT CASE LOWER('1') WHEN LOWER('2') THEN 'BUG' ELSE 'nobug' END;
+CASE LOWER('1') WHEN LOWER('2') THEN 'BUG' ELSE 'nobug' END
+nobug
+SELECT 'case+union+test'
+UNION 
+SELECT CASE '1' WHEN '2' THEN 'BUG' ELSE 'nobug' END;
+case+union+test
+case+union+test
+nobug
+create table t1(a float, b int default 3);
+insert into t1 (a) values (2), (11), (8);
+select min(a), min(case when 1=1 then a else NULL end),
+min(case when 1!=1 then NULL else a end) 
+from t1 where b=3 group by b;
+min(a)	min(case when 1=1 then a else NULL end)	min(case when 1!=1 then NULL else a end)
+2	2	2
+drop table t1;
+CREATE TABLE t1 (EMPNUM INT);
+INSERT INTO t1 VALUES (0), (2);
+CREATE TABLE t2 (EMPNUM DECIMAL (4, 2));
+INSERT INTO t2 VALUES (0.0), (9.0);
+SELECT COALESCE(t2.EMPNUM,t1.EMPNUM) AS CEMPNUM,
+t1.EMPNUM AS EMPMUM1, t2.EMPNUM AS EMPNUM2
+FROM t1 LEFT JOIN t2 ON t1.EMPNUM=t2.EMPNUM;
+CEMPNUM	EMPMUM1	EMPNUM2
+0.00	0	0.00
+2.00	2	NULL
+SELECT IFNULL(t2.EMPNUM,t1.EMPNUM) AS CEMPNUM,
+t1.EMPNUM AS EMPMUM1, t2.EMPNUM AS EMPNUM2
+FROM t1 LEFT JOIN t2 ON t1.EMPNUM=t2.EMPNUM;
+CEMPNUM	EMPMUM1	EMPNUM2
+0.00	0	0.00
+2.00	2	NULL
+DROP TABLE t1,t2;
+End of 4.1 tests
+create table t1 (a int, b bigint unsigned);
+create table t2 (c int);
+insert into t1 (a, b) values (1,4572794622775114594), (2,18196094287899841997),
+(3,11120436154190595086);
+insert into t2 (c) values (1), (2), (3);
+select t1.a, (case t1.a when 0 then 0 else t1.b end) d from t1 
+join t2 on t1.a=t2.c order by d;
+a	d
+1	4572794622775114594
+3	11120436154190595086
+2	18196094287899841997
+select t1.a, (case t1.a when 0 then 0 else t1.b end) d from t1 
+join t2 on t1.a=t2.c where b=11120436154190595086 order by d;
+a	d
+3	11120436154190595086
+drop table t1, t2;
+End of 5.0 tests
+#
+# Bug#19875294 ASSERTION `SRC' FAILED IN MY_STRNXFRM_UNICODE
+#              (SIG 6 -STRINGS/CTYPE-UTF8.C:5151)
+#
+set @@sql_mode='';
+CREATE TABLE t1(c1 SET('','')CHARACTER SET ucs2);
+Warnings:
+Note	1291	Column 'c1' has duplicated value '' in SET
+INSERT INTO t1 VALUES(990101.102);
+Warnings:
+Warning	1265	Data truncated for column 'c1' at row 1
+SELECT COALESCE(c1)FROM t1 ORDER BY 1;
+COALESCE(c1)
+
+DROP TABLE t1;
+set @@sql_mode=default;
+CREATE TABLE t1(a YEAR);
+SELECT 1 FROM t1 WHERE a=1 AND CASE 1 WHEN a THEN 1 ELSE 1 END;
+1
+DROP TABLE t1;
+create table t1 (f1 time);
+insert t1 values ('00:00:00'),('00:01:00');
+select case t1.f1 when '00:00:00' then 1 end from t1;
+case t1.f1 when '00:00:00' then 1 end
+1
+NULL
+drop table t1;
+#
+# MDEV-9745 Crash with CASE WHEN TRUE THEN COALESCE(CAST(NULL AS UNSIGNED)) ELSE 4 END
+#
+CREATE TABLE t1 SELECT CASE WHEN TRUE THEN COALESCE(CAST(NULL AS UNSIGNED)) ELSE 4 END AS a;
+DESCRIBE t1;
+Field	Type	Null	Key	Default	Extra
+a	decimal(1,0)	YES		NULL	
+DROP TABLE t1;
+CREATE TABLE t1 SELECT CASE WHEN TRUE THEN COALESCE(CAST(NULL AS UNSIGNED)) ELSE 40 END AS a;
+DESCRIBE t1;
+Field	Type	Null	Key	Default	Extra
+a	decimal(2,0)	YES		NULL	
+DROP TABLE t1;
+#
+# Start of 10.1 test
+#
+#
+# MDEV-8752 Wrong result for SELECT..WHERE CASE enum_field WHEN 1 THEN 1 ELSE 0 END AND a='5'
+#
+CREATE TABLE t1 (a ENUM('5','6') CHARACTER SET BINARY);
+INSERT INTO t1 VALUES ('5'),('6');
+SELECT * FROM t1 WHERE a='5';
+a
+5
+SELECT * FROM t1 WHERE a=1;
+a
+5
+SELECT * FROM t1 WHERE CASE a WHEN 1 THEN 1 ELSE 0 END;
+a
+5
+SELECT * FROM t1 WHERE CASE a WHEN 1 THEN 1 ELSE 0 END AND a='5';
+a
+5
+# Multiple comparison types in CASE, not Ok to propagate
+EXPLAIN EXTENDED
+SELECT * FROM t1 WHERE CASE a WHEN 1 THEN 1 ELSE 0 END AND a='5';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = '5' and case `test`.`t1`.`a` when 1 then 1 else 0 end
+DROP TABLE t1;
+CREATE TABLE t1 (a ENUM('a','b','100'));
+INSERT INTO t1 VALUES ('a'),('b'),('100');
+SELECT * FROM t1 WHERE a='a';
+a
+a
+SELECT * FROM t1 WHERE CASE a WHEN 'a' THEN 1 ELSE 0 END;
+a
+a
+SELECT * FROM t1 WHERE CASE a WHEN 'a' THEN 1 ELSE 0 END AND a='a';
+a
+a
+# String comparison in CASE and in the equality, ok to propagate
+EXPLAIN EXTENDED
+SELECT * FROM t1 WHERE CASE a WHEN 'a' THEN 1 ELSE 0 END AND a='a';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 'a'
+SELECT * FROM t1 WHERE a=3;
+a
+100
+SELECT * FROM t1 WHERE CASE a WHEN 3 THEN 1 ELSE 0 END;
+a
+100
+SELECT * FROM t1 WHERE CASE a WHEN 3 THEN 1 ELSE 0 END AND a=3;
+a
+100
+# Integer comparison in CASE and in the equality, not ok to propagate
+# ENUM does not support this type of propagation yet.
+# This can change in the future. See MDEV-8748.
+EXPLAIN EXTENDED
+SELECT * FROM t1 WHERE CASE a WHEN 3 THEN 1 ELSE 0 END AND a=3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where case `test`.`t1`.`a` when 3 then 1 else 0 end and `test`.`t1`.`a` = 3
+SELECT * FROM t1 WHERE a=3;
+a
+100
+SELECT * FROM t1 WHERE CASE a WHEN '100' THEN 1 ELSE 0 END;
+a
+100
+SELECT * FROM t1 WHERE CASE a WHEN '100' THEN 1 ELSE 0 END AND a=3;
+a
+100
+# String comparison in CASE, integer comparison in the equality, not Ok to propagate
+EXPLAIN EXTENDED
+SELECT * FROM t1 WHERE CASE a WHEN '100' THEN 1 ELSE 0 END AND a=3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where case `test`.`t1`.`a` when '100' then 1 else 0 end and `test`.`t1`.`a` = 3
+SELECT * FROM t1 WHERE a='100';
+a
+100
+SELECT * FROM t1 WHERE CASE a WHEN 3 THEN 1 ELSE 0 END;
+a
+100
+SELECT * FROM t1 WHERE CASE a WHEN 3 THEN 1 ELSE 0 END AND a='100';
+a
+100
+# Integer comparison in CASE, string comparison in the equality, not Ok to propagate
+EXPLAIN EXTENDED
+SELECT * FROM t1 WHERE CASE a WHEN 3 THEN 1 ELSE 0 END AND a='100';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = '100' and case `test`.`t1`.`a` when 3 then 1 else 0 end
+SELECT * FROM t1 WHERE a='100';
+a
+100
+SELECT * FROM t1 WHERE CASE a WHEN 3 THEN 1 WHEN '100' THEN 1 ELSE 0 END;
+a
+100
+SELECT * FROM t1 WHERE CASE a WHEN 3 THEN 1 WHEN '100' THEN 1 ELSE 0 END AND a='100';
+a
+100
+# Multiple type comparison in CASE, string comparison in the equality, not Ok to propagate
+EXPLAIN EXTENDED
+SELECT * FROM t1 WHERE CASE a WHEN 3 THEN 1 WHEN '100' THEN 1 ELSE 0 END AND a='100';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = '100' and case `test`.`t1`.`a` when 3 then 1 when '100' then 1 else 0 end
+SELECT * FROM t1 WHERE a=3;
+a
+100
+SELECT * FROM t1 WHERE CASE a WHEN 3 THEN 1 WHEN '100' THEN 1 ELSE 0 END;
+a
+100
+SELECT * FROM t1 WHERE CASE a WHEN 3 THEN 1 WHEN '100' THEN 1 ELSE 0 END AND a=3;
+a
+100
+# Multiple type comparison in CASE, integer comparison in the equality, not Ok to propagate
+EXPLAIN EXTENDED
+SELECT * FROM t1 WHERE CASE a WHEN 3 THEN 1 WHEN '100' THEN 1 ELSE 0 END AND a=3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where case `test`.`t1`.`a` when 3 then 1 when '100' then 1 else 0 end and `test`.`t1`.`a` = 3
+DROP TABLE t1;
+#
+# End of MDEV-8752
+#
+#
+# End of 10.1 test
+#
+select case 'foo' when time'10:00:00' then 'never' when '0' then 'bug' else 'ok' end as exp;
+exp
+ok
+Warnings:
+Warning	1292	Truncated incorrect time value: 'foo'
+select 'foo' in (time'10:00:00','0');
+'foo' in (time'10:00:00','0')
+0
+Warnings:
+Warning	1292	Truncated incorrect time value: 'foo'
+create table t1 (a time);
+insert t1 values (100000), (102030), (203040);
+select case 'foo' when a then 'never' when '0' then 'bug' else 'ok' end from t1;
+case 'foo' when a then 'never' when '0' then 'bug' else 'ok' end
+ok
+ok
+ok
+Warnings:
+Warning	1292	Truncated incorrect time value: 'foo'
+Warning	1292	Truncated incorrect time value: 'foo'
+Warning	1292	Truncated incorrect time value: 'foo'
+select 'foo' in (a,'0') from t1;
+'foo' in (a,'0')
+0
+0
+0
+Warnings:
+Warning	1292	Truncated incorrect time value: 'foo'
+Warning	1292	Truncated incorrect time value: 'foo'
+Warning	1292	Truncated incorrect time value: 'foo'
+drop table t1;
+select case '20:10:05' when date'2020-10-10' then 'never' when time'20:10:5' then 'ok' else 'bug' end as exp;
+exp
+ok
+#
+# End of 10.2 test
+#
+#
+# MDEV-11554 Wrong result for CASE on a mixture of signed and unsigned expressions
+#
+CREATE TABLE t1 (a BIGINT, b BIGINT UNSIGNED);
+INSERT INTO t1 VALUES (-9223372036854775808,18446744073709551615);
+SELECT
+CASE -1
+WHEN -9223372036854775808 THEN 'one'
+    WHEN 18446744073709551615 THEN 'two'
+  END AS c;
+c
+NULL
+PREPARE stmt FROM "SELECT
+  CASE -1
+    WHEN -9223372036854775808 THEN 'one'
+    WHEN 18446744073709551615 THEN 'two'
+  END AS c";
+EXECUTE stmt;
+c
+NULL
+EXECUTE stmt;
+c
+NULL
+DEALLOCATE PREPARE stmt;
+DROP TABLE t1;
+#
+# MDEV-11555 CASE with a mixture of TIME and DATETIME returns a wrong result
+#
+SELECT
+CASE TIME'10:20:30'
+    WHEN 102030 THEN 'one'
+    WHEN TIME'10:20:31' THEN 'two'
+  END AS good,
+CASE TIME'10:20:30'
+    WHEN 102030 THEN 'one'
+    WHEN TIME'10:20:31' THEN 'two'
+    WHEN TIMESTAMP'2001-01-01 10:20:32' THEN 'three'
+  END AS was_bad_now_good;
+good	was_bad_now_good
+one	one
+PREPARE stmt FROM "SELECT
+  CASE TIME'10:20:30'
+    WHEN 102030 THEN 'one'
+    WHEN TIME'10:20:31' THEN 'two'
+  END AS good,
+  CASE TIME'10:20:30'
+    WHEN 102030 THEN 'one'
+    WHEN TIME'10:20:31' THEN 'two'
+    WHEN TIMESTAMP'2001-01-01 10:20:32' THEN 'three'
+  END AS was_bad_now_good";
+EXECUTE stmt;
+good	was_bad_now_good
+one	one
+EXECUTE stmt;
+good	was_bad_now_good
+one	one
+DEALLOCATE PREPARE stmt;
+#
+# MDEV-13864 Change Item_func_case to store the predicant in args[0]
+#
+SET NAMES latin1;
+CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET latin1);
+INSERT INTO t1 VALUES ('a'),('b'),('c');
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='a' AND CASE a WHEN 'a' THEN 'a' ELSE 'a' END='a';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 'a'
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='a' AND CASE 'a' WHEN a THEN 'a' ELSE 'a' END='a';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 'a'
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='a' AND CASE 'a' WHEN 'a' THEN a ELSE 'a' END='a';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 'a' and case 'a' when 'a' then `test`.`t1`.`a` else 'a' end = 'a'
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='a' AND CASE 'a' WHEN 'a' THEN 'a' ELSE a END='a';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 'a' and case 'a' when 'a' then 'a' else `test`.`t1`.`a` end = 'a'
+ALTER TABLE t1 MODIFY a VARBINARY(10);
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='a' AND CASE a WHEN 'a' THEN 'a' ELSE 'a' END='a';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 'a'
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='a' AND CASE 'a' WHEN a THEN 'a' ELSE 'a' END='a';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 'a'
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='a' AND CASE 'a' WHEN 'a' THEN a ELSE 'a' END='a';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 'a'
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='a' AND CASE 'a' WHEN 'a' THEN 'a' ELSE a END='a';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 'a'
+DROP TABLE t1;
+#
+# MDEV-17411 Wrong WHERE optimization with simple CASE and searched CASE
+#
+CREATE TABLE t1 (a INT, b INT, KEY(a));
+INSERT INTO t1 VALUES (1,1),(2,2),(3,3);
+SELECT * FROM t1 WHERE CASE a WHEN b THEN 1 END=1;
+a	b
+1	1
+2	2
+3	3
+SELECT * FROM t1 WHERE CASE WHEN a THEN b ELSE 1 END=3;
+a	b
+3	3
+SELECT * FROM t1 WHERE
+CASE      a WHEN b THEN 1 END=1 AND
+CASE WHEN a THEN b ELSE 1 END=3;
+a	b
+3	3
+EXPLAIN EXTENDED
+SELECT * FROM t1 WHERE
+CASE      a WHEN b THEN 1 END=1 AND
+CASE WHEN a THEN b ELSE 1 END=3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
+Warnings:
+Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where case `test`.`t1`.`a` when `test`.`t1`.`b` then 1 end = 1 and case when `test`.`t1`.`a` then `test`.`t1`.`b` else 1 end = 3
+DROP TABLE t1;
+#
+# End of 10.3 test
+#