diff -u --label \#\\> --label \#\\> /tmp/buffer-content-FPcrhy /tmp/buffer-content-CnF23Y --- #> +++ #> @@ -1,10 +1,14 @@ +SET sql_mode = sys.list_drop(@@sql_mode, 'ONLY_FULL_GROUP_BY'); +set @old_sql_mode=@@sql_mode; # int and tinyint original case CREATE TABLE t (a INT, va TINYINT AS (a), KEY(va)); ## requires STRICT_ALL_TABLES to fail SET sql_mode=STRICT_ALL_TABLES; +Warnings: +Warning 3135 'NO_ZERO_DATE', 'NO_ZERO_IN_DATE' and 'ERROR_FOR_DIVISION_BY_ZERO' sql modes should be used with strict mode. They will be merged with strict mode in a future release. INSERT INTO t (a) VALUES (100),(150),(200); ERROR 22003: Out of range value for column 'va' at row 2 -SET sql_mode=default; +SET sql_mode=@old_sql_mode; truncate table t; INSERT IGNORE INTO t (a) VALUES (100),(150),(200); Warnings: @@ -13,7 +17,8 @@ SELECT a, COUNT(*) FROM t GROUP BY a; a COUNT(*) 100 1 -150 2 +150 1 +200 1 SELECT * FROM t; a va 100 100 @@ -72,13 +77,15 @@ CREATE TABLE t (a decimal(6,3), b int AS (a), KEY(b)); ## no error even with STRICT_ALL_TABLES SET sql_mode=STRICT_ALL_TABLES; +Warnings: +Warning 3135 'NO_ZERO_DATE', 'NO_ZERO_IN_DATE' and 'ERROR_FOR_DIVISION_BY_ZERO' sql modes should be used with strict mode. They will be merged with strict mode in a future release. INSERT INTO t (a) VALUES (33.11),(33.222); explain SELECT a, COUNT(*) FROM t GROUP BY a; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t ALL NULL NULL NULL NULL 2 Using temporary; Using filesort +id select_type table partitions type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t NULL ALL NULL NULL NULL NULL 2 100.00 Using temporary Warnings: -Note 1105 Cannot substitute virtual column expression `t`.`a` -> b due to type mismatch +Note 1003 /* select#1 */ select `test`.`t`.`a` AS `a`,count(0) AS `COUNT(*)` from `test`.`t` group by `test`.`t`.`a` SELECT a, COUNT(*) FROM t GROUP BY a; a COUNT(*) 33.110 1 @@ -90,15 +97,15 @@ a b 33.110 33 33.222 33 -SET sql_mode=default; +SET sql_mode=@old_sql_mode; truncate table t; INSERT IGNORE INTO t (a) VALUES (33.11),(33.222); explain SELECT a, COUNT(*) FROM t GROUP BY a; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t ALL NULL NULL NULL NULL 2 Using temporary; Using filesort +id select_type table partitions type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t NULL ALL NULL NULL NULL NULL 2 100.00 Using temporary Warnings: -Note 1105 Cannot substitute virtual column expression `t`.`a` -> b due to type mismatch +Note 1003 /* select#1 */ select `test`.`t`.`a` AS `a`,count(0) AS `COUNT(*)` from `test`.`t` group by `test`.`t`.`a` SELECT a, COUNT(*) FROM t GROUP BY a; a COUNT(*) 33.110 1 @@ -115,18 +122,21 @@ CREATE TABLE t (a decimal(5,3), b decimal(4,2) AS (a), KEY(b)); ## no error even with STRICT_ALL_TABLES SET sql_mode=STRICT_ALL_TABLES; +Warnings: +Warning 3135 'NO_ZERO_DATE', 'NO_ZERO_IN_DATE' and 'ERROR_FOR_DIVISION_BY_ZERO' sql modes should be used with strict mode. They will be merged with strict mode in a future release. INSERT INTO t (a) VALUES (33.111),(33.112); Warnings: Note 1265 Data truncated for column 'b' at row 1 Note 1265 Data truncated for column 'b' at row 2 SELECT a, COUNT(*) FROM t GROUP BY a; a COUNT(*) -33.111 2 +33.111 1 +33.112 1 SELECT * FROM t; a b 33.111 33.11 33.112 33.11 -SET sql_mode=default; +SET sql_mode=@old_sql_mode; truncate table t; INSERT IGNORE INTO t (a) VALUES (33.111),(33.112); Warnings: @@ -134,7 +144,8 @@ Note 1265 Data truncated for column 'b' at row 2 SELECT a, COUNT(*) FROM t GROUP BY a; a COUNT(*) -33.111 2 +33.111 1 +33.112 1 SELECT * FROM t; a b 33.111 33.11 @@ -150,7 +161,8 @@ Warning 1264 Out of range value for column 'b' at row 2 SELECT a, COUNT(*) FROM t GROUP BY a; a COUNT(*) -333.110 2 +333.110 1 +333.112 1 SELECT * FROM t; a b 333.110 9.9999 @@ -159,14 +171,15 @@ # varchar(10) and varchar(5) CREATE TABLE t (a varchar(10), b varchar(5) as (a), key(b)); INSERT INTO t (a) VALUES ('12345-aaa'),('12345-bbb'); -ERROR 22001: Data too long for column 'b' at row 1 +ERROR 01000: Data truncated for column 'b' at row 1 INSERT IGNORE INTO t (a) VALUES ('12345-aaa'),('12345-bbb'); Warnings: Warning 1265 Data truncated for column 'b' at row 1 Warning 1265 Data truncated for column 'b' at row 2 SELECT a, COUNT(*) FROM t GROUP BY a; a COUNT(*) -12345-aaa 2 +12345-aaa 1 +12345-bbb 1 SELECT * FROM t; a b 12345-aaa 12345 @@ -176,16 +189,18 @@ CREATE TABLE t (a datetime, b date as (a), key(b)); ## no error even with STRICT_ALL_TABLES SET sql_mode=STRICT_ALL_TABLES; +Warnings: +Warning 3135 'NO_ZERO_DATE', 'NO_ZERO_IN_DATE' and 'ERROR_FOR_DIVISION_BY_ZERO' sql modes should be used with strict mode. They will be merged with strict mode in a future release. INSERT INTO t (a) VALUES ('2026-01-01 12:00'),('2026-01-01 16:00'); Warnings: -Note 1265 Data truncated for column 'b' at row 1 -Note 1265 Data truncated for column 'b' at row 2 +Note 1292 Incorrect date value: '2026-01-01 12:00:00' for column 'b' at row 1 +Note 1292 Incorrect date value: '2026-01-01 16:00:00' for column 'b' at row 2 explain SELECT a, COUNT(*) FROM t GROUP BY a; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t ALL NULL NULL NULL NULL 2 Using temporary; Using filesort +id select_type table partitions type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t NULL ALL NULL NULL NULL NULL 2 100.00 Using temporary Warnings: -Note 1105 Cannot substitute virtual column expression `t`.`a` -> b due to type mismatch +Note 1003 /* select#1 */ select `test`.`t`.`a` AS `a`,count(0) AS `COUNT(*)` from `test`.`t` group by `test`.`t`.`a` SELECT a, COUNT(*) FROM t GROUP BY a; a COUNT(*) 2026-01-01 12:00:00 1 @@ -193,11 +208,17 @@ SELECT a, COUNT(*) FROM t GROUP BY b; a COUNT(*) 2026-01-01 12:00:00 2 +Warnings: +Note 1292 Incorrect date value: '2026-01-01 12:00:00' for column 'b' at row 1 +Note 1292 Incorrect date value: '2026-01-01 16:00:00' for column 'b' at row 1 SELECT * FROM t; a b 2026-01-01 12:00:00 2026-01-01 2026-01-01 16:00:00 2026-01-01 -SET sql_mode=default; +Warnings: +Note 1292 Incorrect date value: '2026-01-01 12:00:00' for column 'b' at row 1 +Note 1292 Incorrect date value: '2026-01-01 16:00:00' for column 'b' at row 2 +SET sql_mode=@old_sql_mode; truncate table t; INSERT IGNORE INTO t (a) VALUES ('2026-01-01 12:00'),('2026-01-01 16:00'); Warnings: @@ -205,10 +226,10 @@ Note 1265 Data truncated for column 'b' at row 2 explain SELECT a, COUNT(*) FROM t GROUP BY a; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t ALL NULL NULL NULL NULL 2 Using temporary; Using filesort +id select_type table partitions type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t NULL ALL NULL NULL NULL NULL 2 100.00 Using temporary Warnings: -Note 1105 Cannot substitute virtual column expression `t`.`a` -> b due to type mismatch +Note 1003 /* select#1 */ select `test`.`t`.`a` AS `a`,count(0) AS `COUNT(*)` from `test`.`t` group by `test`.`t`.`a` SELECT a, COUNT(*) FROM t GROUP BY a; a COUNT(*) 2026-01-01 12:00:00 1 @@ -216,25 +237,30 @@ SELECT a, COUNT(*) FROM t GROUP BY b; a COUNT(*) 2026-01-01 12:00:00 2 +Warnings: +Note 1292 Incorrect date value: '2026-01-01 12:00:00' for column 'b' at row 1 +Note 1292 Incorrect date value: '2026-01-01 16:00:00' for column 'b' at row 1 SELECT * FROM t; a b 2026-01-01 12:00:00 2026-01-01 2026-01-01 16:00:00 2026-01-01 +Warnings: +Note 1292 Incorrect date value: '2026-01-01 12:00:00' for column 'b' at row 1 +Note 1292 Incorrect date value: '2026-01-01 16:00:00' for column 'b' at row 2 DROP TABLE t; # datetime and time, optimization disabled CREATE TABLE t (a datetime, b time as (a), key(b)); ## no error even with STRICT_ALL_TABLES SET sql_mode=STRICT_ALL_TABLES; -INSERT INTO t (a) VALUES ('2026-01-01 12:00'),('2026-03-01 12:00'); Warnings: -Note 1265 Data truncated for column 'b' at row 1 -Note 1265 Data truncated for column 'b' at row 2 +Warning 3135 'NO_ZERO_DATE', 'NO_ZERO_IN_DATE' and 'ERROR_FOR_DIVISION_BY_ZERO' sql modes should be used with strict mode. They will be merged with strict mode in a future release. +INSERT INTO t (a) VALUES ('2026-01-01 12:00'),('2026-03-01 12:00'); explain SELECT a, COUNT(*) FROM t GROUP BY a; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t ALL NULL NULL NULL NULL 2 Using temporary; Using filesort +id select_type table partitions type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t NULL ALL NULL NULL NULL NULL 2 100.00 Using temporary Warnings: -Note 1105 Cannot substitute virtual column expression `t`.`a` -> b due to type mismatch +Note 1003 /* select#1 */ select `test`.`t`.`a` AS `a`,count(0) AS `COUNT(*)` from `test`.`t` group by `test`.`t`.`a` SELECT a, COUNT(*) FROM t GROUP BY a; a COUNT(*) 2026-01-01 12:00:00 1 @@ -246,18 +272,15 @@ a b 2026-01-01 12:00:00 12:00:00 2026-03-01 12:00:00 12:00:00 -SET sql_mode=default; +SET sql_mode=@old_sql_mode; truncate table t; INSERT IGNORE INTO t (a) VALUES ('2026-01-01 12:00'),('2026-03-01 12:00'); -Warnings: -Note 1265 Data truncated for column 'b' at row 1 -Note 1265 Data truncated for column 'b' at row 2 explain SELECT a, COUNT(*) FROM t GROUP BY a; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t ALL NULL NULL NULL NULL 2 Using temporary; Using filesort +id select_type table partitions type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t NULL ALL NULL NULL NULL NULL 2 100.00 Using temporary Warnings: -Note 1105 Cannot substitute virtual column expression `t`.`a` -> b due to type mismatch +Note 1003 /* select#1 */ select `test`.`t`.`a` AS `a`,count(0) AS `COUNT(*)` from `test`.`t` group by `test`.`t`.`a` SELECT a, COUNT(*) FROM t GROUP BY a; a COUNT(*) 2026-01-01 12:00:00 1 @@ -274,41 +297,25 @@ CREATE TABLE t (a time(3), b time(2) as (a)); drop table t; CREATE TABLE t (a time(3), b time(2) as (a), key (b)); -ERROR HY000: Function or expression '`a`' cannot be used in the GENERATED ALWAYS AS clause of `b` +drop table t; # signed and unsigned, optimization disabled CREATE TABLE t (a tinyint, b tinyint unsigned as (a)); -## succeeds even with STRICT_ALL_TABLES -SET sql_mode=STRICT_ALL_TABLES; INSERT INTO t (a) VALUES (-1),(-2),(111); -explain -SELECT a, COUNT(*) FROM t GROUP BY a; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t ALL NULL NULL NULL NULL 3 Using temporary; Using filesort -SELECT a, COUNT(*) FROM t GROUP BY a; -a COUNT(*) --2 1 --1 1 -111 1 -SELECT a, COUNT(*) FROM t GROUP BY b; -a COUNT(*) --1 2 -111 1 -SELECT * FROM t; -a b --1 0 --2 0 -111 111 -SET sql_mode=default; -truncate table t; +ERROR 22003: Out of range value for column 'b' at row 1 INSERT IGNORE INTO t (a) VALUES (-1),(-2),(111); +Warnings: +Warning 1264 Out of range value for column 'b' at row 1 +Warning 1264 Out of range value for column 'b' at row 2 explain SELECT a, COUNT(*) FROM t GROUP BY a; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t ALL NULL NULL NULL NULL 3 Using temporary; Using filesort +id select_type table partitions type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t NULL ALL NULL NULL NULL NULL 3 100.00 Using temporary +Warnings: +Note 1003 /* select#1 */ select `test`.`t`.`a` AS `a`,count(0) AS `COUNT(*)` from `test`.`t` group by `test`.`t`.`a` SELECT a, COUNT(*) FROM t GROUP BY a; a COUNT(*) --2 1 -1 1 +-2 1 111 1 SELECT a, COUNT(*) FROM t GROUP BY b; a COUNT(*) @@ -323,22 +330,26 @@ ####### # insert then add index CREATE TABLE t (a INT, va TINYINT AS (a)); -SET sql_mode=STRICT_ALL_TABLES; INSERT INTO t (a) VALUES (100),(150),(200); -SET sql_mode=DEFAULT; -ALTER TABLE t add index i(a); ERROR 22003: Out of range value for column 'va' at row 2 +INSERT IGNORE INTO t (a) VALUES (100),(150),(200); +Warnings: +Warning 1264 Out of range value for column 'va' at row 2 +Warning 1264 Out of range value for column 'va' at row 3 +ALTER TABLE t add index i(a); drop table t; # insert ignore overrides STRICT_ALL_TABLES CREATE TABLE t (a INT, b TINYINT AS (a), key (b)); SET sql_mode=STRICT_ALL_TABLES; +Warnings: +Warning 3135 'NO_ZERO_DATE', 'NO_ZERO_IN_DATE' and 'ERROR_FOR_DIVISION_BY_ZERO' sql modes should be used with strict mode. They will be merged with strict mode in a future release. INSERT INTO t (a) VALUES (100),(150),(200); ERROR 22003: Out of range value for column 'b' at row 2 INSERT IGNORE INTO t (a) VALUES (100),(150),(200); Warnings: Warning 1264 Out of range value for column 'b' at row 2 Warning 1264 Out of range value for column 'b' at row 3 -SET sql_mode=DEFAULT; +SET sql_mode=@old_sql_mode; drop table t; # order by also affected CREATE TABLE t (a INT, va TINYINT AS (a), key (va)); @@ -351,8 +362,8 @@ a va 100 100 150 127 -200 127 180 127 +200 127 drop table t; # where also affected CREATE TABLE t (a INT, va TINYINT AS (a), key (va)); @@ -363,7 +374,4 @@ Warning 1264 Out of range value for column 'va' at row 4 select * from t where a = 127; a va -150 127 -200 127 -180 127 drop table t; Diff finished. Thu Apr 2 15:12:53 2026