drop table if exists t1,t2; select 0=0,1>0,1>=1,1<0,1<=0,1!=0,strcmp("abc","abcd"),strcmp("b","a"),strcmp("a","a") ; 0=0 1>0 1>=1 1<0 1<=0 1!=0 strcmp("abc","abcd") strcmp("b","a") strcmp("a","a") 1 1 1 0 0 1 -1 1 0 select "a"<"b","a"<="b","b">="a","b">"a","a"="A","a"<>"b"; "a"<"b" "a"<="b" "b">="a" "b">"a" "a"="A" "a"<>"b" 1 1 1 1 1 1 select "a "="A", "A "="a", "a " <= "A b"; "a "="A" "A "="a" "a " <= "A b" 0 0 1 select "abc" like "a%", "abc" not like "%d%", "a%" like "a\%","abc%" like "a%\%","abcd" like "a%b_%d", "a" like "%%a","abcde" like "a%_e","abc" like "abc%"; "abc" like "a%" "abc" not like "%d%" "a%" like "a\%" "abc%" like "a%\%" "abcd" like "a%b_%d" "a" like "%%a" "abcde" like "a%_e" "abc" like "abc%" 1 1 1 1 1 1 1 1 select "a" like "%%b","a" like "%%ab","ab" like "a\%", "ab" like "_", "ab" like "ab_", "abc" like "%_d", "abc" like "abc%d"; "a" like "%%b" "a" like "%%ab" "ab" like "a\%" "ab" like "_" "ab" like "ab_" "abc" like "%_d" "abc" like "abc%d" 0 0 0 0 0 0 0 select '?' like '|%', '?' like '|%' ESCAPE '|', '%' like '|%', '%' like '|%' ESCAPE '|', '%' like '%'; '?' like '|%' '?' like '|%' ESCAPE '|' '%' like '|%' '%' like '|%' ESCAPE '|' '%' like '%' 0 0 0 1 1 select 'abc' like '%c','abcabc' like '%c', "ab" like "", "ab" like "a", "ab" like "ab"; 'abc' like '%c' 'abcabc' like '%c' "ab" like "" "ab" like "a" "ab" like "ab" 1 1 0 0 1 select "Det här är svenska" regexp "h[[:alpha:]]+r", "aba" regexp "^(a|b)*$"; "Det här är svenska" regexp "h[[:alpha:]]+r" "aba" regexp "^(a|b)*$" 1 1 select "aba" regexp concat("^","a"); "aba" regexp concat("^","a") 1 select !0,NOT 0=1,!(0=0),1 AND 1,1 && 0,0 OR 1,1 || NULL, 1=1 or 1=1 and 1=0; !0 NOT 0=1 !(0=0) 1 AND 1 1 && 0 0 OR 1 1 || NULL 1=1 or 1=1 and 1=0 1 1 0 1 0 1 1 1 Warnings: Warning 1287 '!' is deprecated and will be removed in a future release. Please use NOT instead Warning 1287 '!' is deprecated and will be removed in a future release. Please use NOT instead Warning 1287 '&&' is deprecated and will be removed in a future release. Please use AND instead Warning 1287 '|| as a synonym for OR' is deprecated and will be removed in a future release. Please use OR instead select 2 between 1 and 3, "monty" between "max" and "my",2=2 and "monty" between "max" and "my" and 3=3; 2 between 1 and 3 "monty" between "max" and "my" 2=2 and "monty" between "max" and "my" and 3=3 1 1 1 select 'b' between 'a' and 'c', 'B' between 'a' and 'c'; 'b' between 'a' and 'c' 'B' between 'a' and 'c' 1 1 select 2 in (3,2,5,9,5,1),"monty" in ("david","monty","allan"), 1.2 in (1.4,1.2,1.0); 2 in (3,2,5,9,5,1) "monty" in ("david","monty","allan") 1.2 in (1.4,1.2,1.0) 1 1 1 select -1.49 or -1.49,0.6 or 0.6; -1.49 or -1.49 0.6 or 0.6 1 1 select 3 ^ 11, 1 ^ 1, 1 ^ 0, 1 ^ NULL, NULL ^ 1; 3 ^ 11 1 ^ 1 1 ^ 0 1 ^ NULL NULL ^ 1 8 0 1 NULL NULL explain select 3 ^ 11, 1 ^ 1, 1 ^ 0, 1 ^ NULL, NULL ^ 1; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL NULL No tables used Warnings: Note 1003 /* select#1 */ select (3 ^ 11) AS `3 ^ 11`,(1 ^ 1) AS `1 ^ 1`,(1 ^ 0) AS `1 ^ 0`,(1 ^ NULL) AS `1 ^ NULL`,(NULL ^ 1) AS `NULL ^ 1` select 1 XOR 1, 1 XOR 0, 0 XOR 1, 0 XOR 0, NULL XOR 1, 1 XOR NULL, 0 XOR NULL; 1 XOR 1 1 XOR 0 0 XOR 1 0 XOR 0 NULL XOR 1 1 XOR NULL 0 XOR NULL 0 1 1 0 NULL NULL NULL select 1 like 2 xor 2 like 1; 1 like 2 xor 2 like 1 0 select 10 % 7, 10 mod 7, 10 div 3; 10 % 7 10 mod 7 10 div 3 3 3 3 explain select 10 % 7, 10 mod 7, 10 div 3; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL NULL No tables used Warnings: Note 1003 /* select#1 */ select (10 % 7) AS `10 % 7`,(10 % 7) AS `10 mod 7`,(10 DIV 3) AS `10 div 3` select 18446744073709551615, 18446744073709551615 DIV 1, 18446744073709551615 DIV 2; 18446744073709551615 18446744073709551615 DIV 1 18446744073709551615 DIV 2 18446744073709551615 18446744073709551615 9223372036854775807 explain select (1 << 64)-1, ((1 << 64)-1) DIV 1, ((1 << 64)-1) DIV 2; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL NULL No tables used Warnings: Note 1003 /* select#1 */ select ((1 << 64) - 1) AS `(1 << 64)-1`,(((1 << 64) - 1) DIV 1) AS `((1 << 64)-1) DIV 1`,(((1 << 64) - 1) DIV 2) AS `((1 << 64)-1) DIV 2` create table t1 (a int); insert t1 values (1); analyze table t1; Table Op Msg_type Msg_text test.t1 analyze status OK select * from t1 where 1 xor 1; a explain select * from t1 where 1 xor 1; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE Warnings: Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where false select - a from t1; - a -1 explain select - a from t1; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE t1 NULL ALL NULL NULL NULL NULL 1 100.00 NULL Warnings: Note 1003 /* select#1 */ select -(`test`.`t1`.`a`) AS `- a` from `test`.`t1` drop table t1; select 5 between 0 and 10 between 0 and 1,(5 between 0 and 10) between 0 and 1; 5 between 0 and 10 between 0 and 1 (5 between 0 and 10) between 0 and 1 0 1 select 1 and 2 between 2 and 10, 2 between 2 and 10 and 1; 1 and 2 between 2 and 10 2 between 2 and 10 and 1 1 1 select 1 and 0 or 2, 2 or 1 and 0; 1 and 0 or 2 2 or 1 and 0 1 1 select _koi8r'a' = _koi8r'A'; _koi8r'a' = _koi8r'A' 1 select _koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci; _koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci 1 explain select _koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci; id select_type table partitions type possible_keys key key_len ref rows filtered Extra 1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL NULL No tables used Warnings: Note 1003 /* select#1 */ select (_koi8r'a' = (_koi8r'A' collate koi8r_general_ci)) AS `_koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci` select _koi8r'a' = _koi8r'A' COLLATE koi8r_bin; _koi8r'a' = _koi8r'A' COLLATE koi8r_bin 0 select _koi8r'a' COLLATE koi8r_general_ci = _koi8r'A'; _koi8r'a' COLLATE koi8r_general_ci = _koi8r'A' 1 select _koi8r'a' COLLATE koi8r_bin = _koi8r'A'; _koi8r'a' COLLATE koi8r_bin = _koi8r'A' 0 select _koi8r'a' COLLATE koi8r_bin = _koi8r'A' COLLATE koi8r_general_ci; ERROR HY000: Illegal mix of collations (koi8r_bin,EXPLICIT) and (koi8r_general_ci,EXPLICIT) for operation '=' select _koi8r'a' = _latin1'A'; ERROR HY000: Illegal mix of collations (koi8r_general_ci,COERCIBLE) and (latin1_swedish_ci,COERCIBLE) for operation '=' select strcmp(_koi8r'a', _koi8r'A'); strcmp(_koi8r'a', _koi8r'A') 0 select strcmp(_koi8r'a', _koi8r'A' COLLATE koi8r_general_ci); strcmp(_koi8r'a', _koi8r'A' COLLATE koi8r_general_ci) 0 select strcmp(_koi8r'a', _koi8r'A' COLLATE koi8r_bin); strcmp(_koi8r'a', _koi8r'A' COLLATE koi8r_bin) 1 select strcmp(_koi8r'a' COLLATE koi8r_general_ci, _koi8r'A'); strcmp(_koi8r'a' COLLATE koi8r_general_ci, _koi8r'A') 0 select strcmp(_koi8r'a' COLLATE koi8r_bin, _koi8r'A'); strcmp(_koi8r'a' COLLATE koi8r_bin, _koi8r'A') 1 select strcmp(_koi8r'a' COLLATE koi8r_general_ci, _koi8r'A' COLLATE koi8r_bin); ERROR HY000: Illegal mix of collations (koi8r_general_ci,EXPLICIT) and (koi8r_bin,EXPLICIT) for operation 'strcmp' select strcmp(_koi8r'a', _latin1'A'); ERROR HY000: Illegal mix of collations (koi8r_general_ci,COERCIBLE) and (latin1_swedish_ci,COERCIBLE) for operation 'strcmp' select _koi8r'a' LIKE _koi8r'A'; _koi8r'a' LIKE _koi8r'A' 1 select _koi8r'a' LIKE _koi8r'A' COLLATE koi8r_general_ci; _koi8r'a' LIKE _koi8r'A' COLLATE koi8r_general_ci 1 select _koi8r'a' LIKE _koi8r'A' COLLATE koi8r_bin; _koi8r'a' LIKE _koi8r'A' COLLATE koi8r_bin 0 select _koi8r'a' COLLATE koi8r_general_ci LIKE _koi8r'A'; _koi8r'a' COLLATE koi8r_general_ci LIKE _koi8r'A' 1 select _koi8r'a' COLLATE koi8r_bin LIKE _koi8r'A'; _koi8r'a' COLLATE koi8r_bin LIKE _koi8r'A' 0 select _koi8r'a' COLLATE koi8r_general_ci LIKE _koi8r'A' COLLATE koi8r_bin; ERROR HY000: Illegal mix of collations (koi8r_general_ci,EXPLICIT) and (koi8r_bin,EXPLICIT) for operation 'like' select _koi8r'a' LIKE _latin1'A'; ERROR HY000: Illegal mix of collations (koi8r_general_ci,COERCIBLE) and (latin1_swedish_ci,COERCIBLE) for operation 'like' SET sql_mode = 'NO_ENGINE_SUBSTITUTION'; CREATE TABLE t1 ( faq_group_id int(11) NOT NULL default '0', faq_id int(11) NOT NULL default '0', title varchar(240) default NULL, keywords text, description longblob, solution longblob, status tinyint(4) NOT NULL default '0', access_id smallint(6) default NULL, lang_id smallint(6) NOT NULL default '0', created datetime NOT NULL default '0000-00-00 00:00:00', updated datetime default NULL, last_access datetime default NULL, last_notify datetime default NULL, solved_count int(11) NOT NULL default '0', static_solved int(11) default NULL, solved_1 int(11) default NULL, solved_2 int(11) default NULL, solved_3 int(11) default NULL, solved_4 int(11) default NULL, solved_5 int(11) default NULL, expires datetime default NULL, notes text, assigned_to smallint(6) default NULL, assigned_group smallint(6) default NULL, last_edited_by smallint(6) default NULL, orig_ref_no varchar(15) binary default NULL, c$fundstate smallint(6) default NULL, c$contributor smallint(6) default NULL, UNIQUE KEY t1$faq_id (faq_id), KEY t1$group_id$faq_id (faq_group_id,faq_id), KEY t1$c$fundstate (c$fundstate) ) ENGINE=MyISAM; Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1287 'BINARY as attribute of a type' is deprecated and will be removed in a future release. Please use a CHARACTER SET clause with _bin collation instead Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1681 Integer display width is deprecated and will be removed in a future release. INSERT INTO t1 VALUES (82,82,'How to use the DynaVox Usage Counts Feature','usages count, number, corner, white, box, button','\r\n\r\n \r\n \r\n \r\n \r\n
 \r\n

How \r\n To: \r\n Display or Hide the Usage Counts to find out how many times each button is being selected.

\r\n
','\r\n \r\n \r\n \r\n \r\n\r\n \r\n
  \r\n \r\n

1. Select \r\n the On/Setup button to access the DynaVox Setup Menu.
\r\n 2. Select Button Features.
\r\n 3. Below the OK button is the Usage Counts button.
\r\n a. If it says \"Hidden\" then the Usage Counts will not be displayed.
\r\n b. If it says \"Displayed\" then the Usage Counts will be shown.
\r\n c. Select the Usage Counts Option Ring once and it will toggle \r\n to the alternative option.
\r\n 4. Once the correct setting has been chosen, select OK to leave the Button \r\n Features menu.
\r\n 5. Select OK out of the Setup menu and return to the communication \r\n page.

\r\n

For \r\n further information on Usage Counts, see the Button Features \r\n Menu Entry in the DynaVox/DynaMyte Reference Manual.

\r\n
',4,1,1,'2001-11-16 16:43:34','2002-11-25 12:09:43','2003-07-24 01:04:48',NULL,11,NULL,0,0,0,0,0,NULL,NULL,NULL,NULL,11,NULL,NULL,NULL); CREATE TABLE t2 ( access_id smallint(6) NOT NULL default '0', name varchar(20) binary default NULL, `rank` smallint(6) NOT NULL default '0', KEY t2$access_id (access_id) ) ENGINE=MyISAM; Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. Warning 1287 'BINARY as attribute of a type' is deprecated and will be removed in a future release. Please use a CHARACTER SET clause with _bin collation instead Warning 1681 Integer display width is deprecated and will be removed in a future release. INSERT INTO t2 VALUES (1,'Everyone',2),(2,'Help',3),(3,'Customer Support',1); SELECT f_acc.`rank`, a1.`rank`, a2.`rank` FROM t1 LEFT JOIN t1 f1 ON (f1.access_id=1 AND f1.faq_group_id = t1.faq_group_id) LEFT JOIN t2 a1 ON (a1.access_id = f1.access_id) LEFT JOIN t1 f2 ON (f2.access_id=3 AND f2.faq_group_id = t1.faq_group_id) LEFT JOIN t2 a2 ON (a2.access_id = f2.access_id), t2 f_acc WHERE LEAST(a1.`rank`,a2.`rank`) = f_acc.`rank`; rank rank rank DROP TABLE t1,t2; SET sql_mode = default; CREATE TABLE t1 (d varchar(6), k int); INSERT INTO t1 VALUES (NULL, 2); SELECT GREATEST(d,d) FROM t1 WHERE k=2; GREATEST(d,d) NULL DROP TABLE t1; select 1197.90 mod 50; 1197.90 mod 50 47.90 select 5.1 mod 3, 5.1 mod -3, -5.1 mod 3, -5.1 mod -3; 5.1 mod 3 5.1 mod -3 -5.1 mod 3 -5.1 mod -3 2.1 2.1 -2.1 -2.1 select 5 mod 3, 5 mod -3, -5 mod 3, -5 mod -3; 5 mod 3 5 mod -3 -5 mod 3 -5 mod -3 2 2 -2 -2 select (12%0) <=> null as '1'; 1 1 Warnings: Warning 1365 Division by 0 select (12%0) is null as '1'; 1 1 Warnings: Warning 1365 Division by 0 select 12%0 as 'NULL'; NULL NULL Warnings: Warning 1365 Division by 0 select 12%2 as '0'; 0 0 select 12%NULL as 'NULL'; NULL NULL select 12 % null as 'NULL'; NULL NULL select null % 12 as 'NULL'; NULL NULL select null % 0 as 'NULL'; NULL NULL select 0 % null as 'NULL'; NULL NULL select null % null as 'NULL'; NULL NULL select (12 mod 0) <=> null as '1'; 1 1 Warnings: Warning 1365 Division by 0 select (12 mod 0) is null as '1'; 1 1 Warnings: Warning 1365 Division by 0 select 12 mod 0 as 'NULL'; NULL NULL Warnings: Warning 1365 Division by 0 select 12 mod 2 as '0'; 0 0 select 12 mod null as 'NULL'; NULL NULL select null mod 12 as 'NULL'; NULL NULL select null mod 0 as 'NULL'; NULL NULL select 0 mod null as 'NULL'; NULL NULL select null mod null as 'NULL'; NULL NULL select mod(12.0, 0) as 'NULL'; NULL NULL Warnings: Warning 1365 Division by 0 select mod(12, 0.0) as 'NULL'; NULL NULL Warnings: Warning 1365 Division by 0 select mod(12, NULL) as 'NULL'; NULL NULL select mod(12.0, NULL) as 'NULL'; NULL NULL select mod(NULL, 2) as 'NULL'; NULL NULL select mod(NULL, 2.0) as 'NULL'; NULL NULL create table t1 (a int, b int); insert into t1 values (1,2), (2,3), (3,4), (4,5); select * from t1 where a not between 1 and 2; a b 3 4 4 5 select * from t1 where a not between 1 and 2 and b not between 3 and 4; a b 4 5 drop table t1; SELECT GREATEST(1,NULL) FROM DUAL; GREATEST(1,NULL) NULL SELECT LEAST('xxx','aaa',NULL,'yyy') FROM DUAL; LEAST('xxx','aaa',NULL,'yyy') NULL SELECT LEAST(1.1,1.2,NULL,1.0) FROM DUAL; LEAST(1.1,1.2,NULL,1.0) NULL SELECT GREATEST(1.5E+2,1.3E+2,NULL) FROM DUAL; GREATEST(1.5E+2,1.3E+2,NULL) NULL # # Bug#22523685 FUNCTION GREATEST AND LEAST WORKS INCORRECTLY # WITH BIGINT UNSIGNED VALUE # SELECT greatest( 9223372036854775807 , 9223372036854775808 ) as g; g 9223372036854775808 SELECT least ( 9223372036854775807 , 9223372036854775808 ) as l; l 9223372036854775807 SELECT greatest (9223372036854775808, -1, 18446744073709551615 ) as g; g 18446744073709551615 SELECT least (9223372036854775808, -1, 18446744073709551615 ) as l; l -1 SELECT greatest (9223372036854775808, 18446744073709551615) as g; g 18446744073709551615 SELECT least (9223372036854775808, 18446744073709551615) as l; l 9223372036854775808 CREATE TABLE t1 AS SELECT greatest(-1, 9223372036854775808); CREATE TABLE t2 AS SELECT greatest(9223372036854775808, 9223372036854775808); SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `greatest(-1, 9223372036854775808)` decimal(19,0) NOT NULL DEFAULT '0' ) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `greatest(9223372036854775808, 9223372036854775808)` bigint(19) unsigned NOT NULL DEFAULT '0' ) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci DROP TABLE t1, t2; # # Bug#22839888 UNINITIALIZED VALUE WHEN CONVERTING # MULTIBYTE STRINGS TO NUMBERS # select greatest(1,_utf16'.',_utf8''); ERROR HY000: Illegal mix of collations (latin1_swedish_ci,NUMERIC), (utf16_general_ci,COERCIBLE), (utf8_general_ci,COERCIBLE) for operation 'greatest' # # Bug#25123839: LEAST AND GREATEST MAKES INCONSISTENT DATA TYPES, # COMPARED TO UNION AND COALESCE # SET sql_mode=''; CREATE TABLE t1 AS SELECT 5 AS c1, 5 AS c2, 5 AS c3, 5 AS c4, 20010101 AS c5, 010101 AS c6, 010101 AS c7, 20010101 AS c8, 5.55 AS c11, 5.5 AS c12, 5.5 AS c13, 010101.5 AS c14, 5.5 AS c15, 010101.5 as c16, 5.5e5 as c21, 2004041e1 as c22, 150505.0e5 AS c23, 2004041e1 AS c24, '010101' AS c31, '5' AS c32, '010101' AS c33, date '2005-05-05' AS c41, date '2005-05-05' AS c42, time '05:05:05.555555' AS c51, x'c3a5' AS c61, x'c3a5' AS c62, _utf8mb4 x'c3a5' AS c63, _utf8mb4 x'c3a5' AS c64, JSON_OBJECT('a', 1) as c71 UNION SELECT -5, 5.5, 5.5e5, '5', date '2005-05-05', time '05:05:05.555555', timestamp '2005-05-05 05:05:05.555555', NOW(0), 88.8, 5.5e5, '5', date '2005-05-05', time '05:05:05.555555', timestamp '2005-05-05 05:05:05.555555', '5', date '2005-05-05', time '05:05:05.555555', timestamp '2005-05-05 05:05:05.555555', date '2005-05-05', time '05:05:05.555555', timestamp '2005-05-05 05:05:05.555555', time '05:05:05.555555', timestamp '2005-05-05 05:05:05.555555', timestamp '2005-05-05 05:05:05.555555', '1', _binary '1', '1', _binary '1', NULL; SET sql_mode=default; CREATE TABLE t2 AS SELECT COALESCE(5, -5) AS c1, COALESCE(5, 5.5) AS c2, COALESCE(5, 5.5e5) AS c3, COALESCE(5, '5') AS c4, COALESCE(20010101, date '2005-05-05') AS c5, COALESCE(010101, time '05:05:05.555555') AS c6, COALESCE(010101, timestamp '2005-05-05 05:05:05.555555') AS c7, COALESCE(20010101, NOW(0)) AS c8, COALESCE(5.55, 88.8) AS c11, COALESCE(5.5, 5.5e5) AS c12, COALESCE(5.5, '5') AS c13, COALESCE(010101.5, date '2005-05-05') AS c14, COALESCE(5.5, time '05:05:05.555555') AS c15, COALESCE(010101.5, timestamp '2005-05-05 05:05:05.555555') AS c16, COALESCE(5.5e5, '5') AS c21, COALESCE(2004041e1, date '2005-05-05') AS c22, COALESCE(150505.0e5, time '05:05:05.555555') AS c23, COALESCE(2004041e1, timestamp '2005-05-05 05:05:05.555555') AS c24, COALESCE('010101', date '2005-05-05') AS c31, COALESCE('5', time '05:05:05.555555') AS c32, COALESCE('010101', timestamp '2005-05-05 05:05:05.555555') AS c33, COALESCE(date '2005-05-05', time '05:05:05.555555') AS c41, COALESCE(date '2005-05-05', timestamp '2005-05-05 05:05:05.555555') AS c42, COALESCE(time '05:05:05.555555', timestamp '2005-05-05 05:05:05.555555') AS c51, COALESCE(x'c3a5', '1') AS c61, COALESCE(x'c3a5', _binary '1') AS c62, COALESCE(_utf8mb4 x'c3a5', '1') AS c63, COALESCE(_utf8mb4 x'c3a5', _binary '1') AS c64, COALESCE(JSON_OBJECT('a', 1), NULL) AS c71; CREATE TABLE t3 AS SELECT GREATEST(5, -5) AS c1, GREATEST(5, 5.5) AS c2, GREATEST(5, 5.5e5) AS c3, GREATEST(5, '5') AS c4, GREATEST(20010101, date '2005-05-05') AS c5, GREATEST(010101, time '05:05:05.555555') AS c6, GREATEST(010101, timestamp '2005-05-05 05:05:05.555555') AS c7, GREATEST(20010101, NOW(0)) AS c8, GREATEST(5.55, 88.8) AS c11, GREATEST(5.5, 5.5e5) AS c12, GREATEST(5.5, '5') AS c13, GREATEST(010101.5, date '2005-05-05') AS c14, GREATEST(5.5, time '05:05:05.555555') AS c15, GREATEST(010101.5, timestamp '2005-05-05 05:05:05.555555') AS c16, GREATEST(5.5e5, '5') AS c21, GREATEST(2004041e1, date '2005-05-05') AS c22, GREATEST(150505.0e5, time '05:05:05.555555') AS c23, GREATEST(2004041e1, timestamp '2005-05-05 05:05:05.555555') AS c24, GREATEST('010101', date '2005-05-05') AS c31, GREATEST('5', time '05:05:05.555555') AS c32, GREATEST('010101', timestamp '2005-05-05 05:05:05.555555') AS c33, GREATEST(date '2005-05-05', time '05:05:05.555555') AS c41, GREATEST(date '2005-05-05', timestamp '2005-05-05 05:05:05.555555') AS c42, GREATEST(time '05:05:05.555555', timestamp '2005-05-05 05:05:05.555555') AS c51, GREATEST(x'c3a5', '1') AS c61, GREATEST(x'c3a5', _binary '1') AS c62, GREATEST(_utf8mb4 x'c3a5', '1') AS c63, GREATEST(_utf8mb4 x'c3a5', _binary '1') AS c64; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` bigint(2) NOT NULL DEFAULT '0', `c2` decimal(2,1) NOT NULL DEFAULT '0.0', `c3` double NOT NULL DEFAULT '0', `c4` varchar(1) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c5` varchar(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c6` varchar(17) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c7` varchar(26) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c8` varchar(19) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c11` decimal(4,2) NOT NULL DEFAULT '0.00', `c12` double NOT NULL DEFAULT '0', `c13` varchar(4) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c14` varchar(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c15` varchar(17) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c16` varchar(26) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c21` varchar(22) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c22` varchar(22) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c23` varchar(22) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c24` varchar(26) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c31` varchar(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c32` varchar(17) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c33` varchar(26) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c41` datetime(6) NOT NULL DEFAULT '0000-00-00 00:00:00.000000', `c42` datetime(6) NOT NULL DEFAULT '0000-00-00 00:00:00.000000', `c51` datetime(6) NOT NULL DEFAULT '0000-00-00 00:00:00.000000', `c61` varbinary(4) NOT NULL DEFAULT '', `c62` varbinary(2) NOT NULL DEFAULT '', `c63` varchar(1) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c64` varbinary(4) NOT NULL DEFAULT '', `c71` json DEFAULT NULL ) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci SHOW CREATE TABLE t2; Table Create Table t2 CREATE TABLE `t2` ( `c1` int(2) NOT NULL DEFAULT '0', `c2` decimal(2,1) NOT NULL DEFAULT '0.0', `c3` double NOT NULL DEFAULT '0', `c4` varchar(1) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c5` varchar(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c6` varchar(17) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c7` varchar(26) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c8` varchar(19) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c11` decimal(4,2) NOT NULL DEFAULT '0.00', `c12` double NOT NULL DEFAULT '0', `c13` varchar(4) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c14` varchar(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c15` varchar(17) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c16` varchar(26) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c21` varchar(22) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c22` varchar(22) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c23` varchar(22) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c24` varchar(26) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c31` varchar(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c32` varchar(17) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c33` varchar(26) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c41` datetime(6) NOT NULL, `c42` datetime(6) NOT NULL, `c51` datetime(6) NOT NULL, `c61` varbinary(4) NOT NULL DEFAULT '', `c62` varbinary(2) NOT NULL DEFAULT '', `c63` varchar(1) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c64` varbinary(4) NOT NULL DEFAULT '', `c71` json DEFAULT NULL ) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci SHOW CREATE TABLE t3; Table Create Table t3 CREATE TABLE `t3` ( `c1` int(2) NOT NULL DEFAULT '0', `c2` decimal(2,1) NOT NULL DEFAULT '0.0', `c3` double NOT NULL DEFAULT '0', `c4` varchar(1) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c5` varchar(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c6` varchar(17) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c7` varchar(26) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c8` varchar(19) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c11` decimal(4,2) NOT NULL DEFAULT '0.00', `c12` double NOT NULL DEFAULT '0', `c13` varchar(4) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c14` varchar(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c15` varchar(17) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c16` varchar(26) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c21` varchar(22) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c22` varchar(22) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c23` varchar(22) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c24` varchar(26) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c31` varchar(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c32` varchar(17) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c33` varchar(26) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c41` datetime(6) NOT NULL, `c42` datetime(6) NOT NULL, `c51` datetime(6) NOT NULL, `c61` varbinary(4) NOT NULL DEFAULT '', `c62` varbinary(2) NOT NULL DEFAULT '', `c63` varchar(1) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL DEFAULT '', `c64` varbinary(4) NOT NULL DEFAULT '' ) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci DROP TABLE t1, t2, t3; SELECT GREATEST('11', '5', '2'); GREATEST('11', '5', '2') 5 SELECT GREATEST('11', 5, 2); GREATEST('11', 5, 2) 5 SELECT GREATEST(11, 5, 2); GREATEST(11, 5, 2) 11 SELECT LEAST('11', '5', '2'); LEAST('11', '5', '2') 11 SELECT LEAST('11', 5, 2); LEAST('11', 5, 2) 11 SELECT LEAST(11, 5, 2); LEAST(11, 5, 2) 2 SELECT GREATEST(date '2005-05-05', 20010101, 20040404, 20030303); GREATEST(date '2005-05-05', 20010101, 20040404, 20030303) 2005-05-05 SELECT LEAST(date '2005-05-05', 20030303, 20010101, 20040404); LEAST(date '2005-05-05', 20030303, 20010101, 20040404) 2001-01-01 SELECT GREATEST(date '2005-05-05', '20010101', '20040404', '20030303'); GREATEST(date '2005-05-05', '20010101', '20040404', '20030303') 2005-05-05 SELECT LEAST(date '2005-05-05', '20030303', '20010101', '20040404'); LEAST(date '2005-05-05', '20030303', '20010101', '20040404') 2001-01-01 SELECT GREATEST(time '00:00:00', 120000); GREATEST(time '00:00:00', 120000) 120000 SELECT LEAST(time '00:00:00', 120000); LEAST(time '00:00:00', 120000) 00:00:00 SELECT GREATEST(time '20:00:00', 120000); GREATEST(time '20:00:00', 120000) 20:00:00 SELECT LEAST(time '20:00:00', 120000); LEAST(time '20:00:00', 120000) 120000 SELECT GREATEST('95-05-05', date '10-10-10'); GREATEST('95-05-05', date '10-10-10') 2010-10-10 SELECT GREATEST(date '1995-05-05', '10-10-10'); GREATEST(date '1995-05-05', '10-10-10') 2010-10-10 SELECT LEAST(date '1995-05-05', '10-10-10'); LEAST(date '1995-05-05', '10-10-10') 1995-05-05 SELECT LEAST('95-05-05', date '10-10-10'); LEAST('95-05-05', date '10-10-10') 1995-05-05 SELECT GREATEST('11', '5', '2') + 0; GREATEST('11', '5', '2') + 0 5 SELECT GREATEST('11', 5, 2) + 0; GREATEST('11', 5, 2) + 0 5 SELECT GREATEST(11, 5, 2) + 0; GREATEST(11, 5, 2) + 0 11 SELECT GREATEST(date '2005-05-05', 20010101, 20040404, 20030303) + 0; GREATEST(date '2005-05-05', 20010101, 20040404, 20030303) + 0 20050505 SELECT GREATEST(time '00:00:00', 120000) + 0; GREATEST(time '00:00:00', 120000) + 0 120000 SELECT GREATEST(time '20:00:00', 120000) + 0; GREATEST(time '20:00:00', 120000) + 0 200000 SELECT GREATEST('95-05-05', date '10-10-10') + 0; GREATEST('95-05-05', date '10-10-10') + 0 20101010 SELECT GREATEST(date '1995-05-05', '10-10-10') + 0; GREATEST(date '1995-05-05', '10-10-10') + 0 20101010 SELECT GREATEST('11', '5', '2') + 0.00; GREATEST('11', '5', '2') + 0.00 5 SELECT GREATEST('11', 5, 2) + 0.00; GREATEST('11', 5, 2) + 0.00 5 SELECT GREATEST(11, 5, 2) + 0.00; GREATEST(11, 5, 2) + 0.00 11.00 SELECT GREATEST(date '1995-05-05', 19910101, 20050505, 19930303) + 0.00; GREATEST(date '1995-05-05', 19910101, 20050505, 19930303) + 0.00 20050505.00 SELECT GREATEST(time '00:00:00', 120000) + 0.00; GREATEST(time '00:00:00', 120000) + 0.00 120000.00 SELECT GREATEST(time '20:00:00', 120000) + 0.00; GREATEST(time '20:00:00', 120000) + 0.00 200000.00 SELECT GREATEST('95-05-05', date '10-10-10') + 0.00; GREATEST('95-05-05', date '10-10-10') + 0.00 20101010.00 SELECT GREATEST(date '1995-05-05', '10-10-10') + 0.00; GREATEST(date '1995-05-05', '10-10-10') + 0.00 20101010.00 # End of test for Bug#25123839 # # Bug#26975864: ASSERTION FAILED: DEC <= 6, MY_DATETIME_TO_STR, LEAST, # GREATEST, ETC # CREATE TABLE t1 (a DATETIME, b BLOB, c TEXT, d CHAR(10), e BINARY(10), f VARBINARY(10)); SET @a='2017-01-01'; INSERT INTO t1 VALUES ('2017-02-02 12:00:00', @a, @a, @a, @a, @a); SELECT GREATEST(a, b), GREATEST(a, c), GREATEST(a, d), GREATEST(a, e), GREATEST(a, f) FROM t1; GREATEST(a, b) GREATEST(a, c) GREATEST(a, d) GREATEST(a, e) GREATEST(a, f) 2017-02-02 12:00:00.000000 2017-02-02 12:00:00.000000 2017-02-02 12:00:00.000000 2017-02-02 12:00:00.000000 2017-02-02 12:00:00.000000 SET @a=NULL; DROP TABLE t1; # # Bug#13364839: GREATEST() DOES NOT ALWAYS RETURN SAME SIGNNESS OF ARGUMENT TYPES # CREATE TABLE t1 (a INT PRIMARY KEY, b BIGINT(20) UNSIGNED); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. INSERT INTO t1 VALUES (1, 13836376518955650385); INSERT INTO t1 VALUES (1, 13836376518955650385) ON DUPLICATE KEY UPDATE b=GREATEST(b, VALUES(b)); SELECT * FROM t1; a b 1 13836376518955650385 DROP TABLE t1; # # Bug#27312703 ASAN: HEAP-USE-AFTER-FREE: GREATEST/LEAST FUNCTIONS # SET @a:='11'; DO GREATEST(RIGHT(@a,1),1); DO LEAST(RIGHT(@a,1),1); # # Bug#29275835 ASSERTION FAILED: # !UNSIGNED_FLAG || (UNSIGNED_FLAG && ARGS[I]->UNSIGNED_FLAG) # SET sql_mode=''; CREATE TABLE t0017 ( c0002 bigint(20) NOT NULL ); Warnings: Warning 1681 Integer display width is deprecated and will be removed in a future release. INSERT INTO t0017 (c0002) VALUES (0); SELECT greatest(18446744073709551615, NULL) FROM t0017; greatest(18446744073709551615, NULL) NULL SELECT count(greatest(18446744073709551615, NULL)) FROM t0017; count(greatest(18446744073709551615, NULL)) 0 DROP TABLE t0017; SET sql_mode = default;