SET @save_timeout=@@GLOBAL.innodb_lock_wait_timeout; SET GLOBAL innodb_lock_wait_timeout=100000000; CREATE TABLE t_min ( c01 TINYINT, c02 TINYINT UNSIGNED, c03 SMALLINT, c04 SMALLINT UNSIGNED, c05 MEDIUMINT, c06 MEDIUMINT UNSIGNED, c07 INT, c08 INT UNSIGNED, c09 BIGINT, c10 BIGINT UNSIGNED, PRIMARY KEY(c01, c02, c03, c04, c05, c06, c07, c08, c09, c10) ) ENGINE=INNODB;; INSERT INTO t_min VALUES (-128, 0, -32768, 0, -8388608, 0, -2147483648, 0, -9223372036854775808, 0); CREATE TABLE t_max ( c01 TINYINT, c02 TINYINT UNSIGNED, c03 SMALLINT, c04 SMALLINT UNSIGNED, c05 MEDIUMINT, c06 MEDIUMINT UNSIGNED, c07 INT, c08 INT UNSIGNED, c09 BIGINT, c10 BIGINT UNSIGNED, PRIMARY KEY(c01, c02, c03, c04, c05, c06, c07, c08, c09, c10) ) ENGINE=INNODB;; INSERT INTO t_max VALUES (127, 255, 32767, 65535, 8388607, 16777215, 2147483647, 4294967295, 9223372036854775807, 18446744073709551615); CREATE TABLE ```t'\"_str` ( c1 VARCHAR(32), c2 VARCHAR(32), c3 VARCHAR(32), c4 VARCHAR(32), c5 VARCHAR(32), c6 VARCHAR(32), c7 VARCHAR(32), PRIMARY KEY(c1, c2, c3, c4, c5, c6, c7) ) ENGINE=INNODB; INSERT INTO ```t'\"_str` VALUES ('1', 'abc', '''abc', 'abc''', 'a''bc', 'a''bc''', '''abc'''''); INSERT INTO ```t'\"_str` VALUES ('2', 'abc', '"abc', 'abc"', 'a"bc', 'a"bc"', '"abc""'); INSERT INTO ```t'\"_str` VALUES ('3', 'abc', '\\abc', 'abc\\', 'a\\bc', 'a\\bc\\', '\\abc\\\\'); INSERT INTO ```t'\"_str` VALUES ('4', 'abc', 0x00616263, 0x61626300, 0x61006263, 0x6100626300, 0x610062630000); connect con_lock,localhost,root,,; connect con_min_trylock,localhost,root,,; connect con_max_trylock,localhost,root,,; connect con_str_insert_supremum,localhost,root,,; connect con_str_lock_row1,localhost,root,,; connect con_str_lock_row2,localhost,root,,; connect con_str_lock_row3,localhost,root,,; connect con_str_lock_row4,localhost,root,,; connect con_verify_innodb_locks,localhost,root,,; connection con_lock; SET autocommit=0; SELECT * FROM t_min FOR UPDATE; c01 c02 c03 c04 c05 c06 c07 c08 c09 c10 -128 0 -32768 0 -8388608 0 -2147483648 0 -9223372036854775808 0 SELECT * FROM t_max FOR UPDATE; c01 c02 c03 c04 c05 c06 c07 c08 c09 c10 127 255 32767 65535 8388607 16777215 2147483647 4294967295 9223372036854775807 18446744073709551615 SELECT * FROM ```t'\"_str` FOR UPDATE; c1 c2 c3 c4 c5 c6 c7 1 abc 'abc abc' a'bc a'bc' 'abc'' 2 abc "abc abc" a"bc a"bc" "abc"" 3 abc \abc abc\ a\bc a\bc\ \abc\\ 4 abc abc abc abc abc abc connection con_min_trylock; SELECT * FROM t_min FOR UPDATE; connection con_max_trylock; SELECT * FROM t_max FOR UPDATE; connection con_str_insert_supremum; INSERT INTO ```t'\"_str` VALUES ('z', 'z', 'z', 'z', 'z', 'z', 'z'); connection con_str_lock_row1; SELECT * FROM ```t'\"_str` WHERE c1 = '1' FOR UPDATE; connection con_str_lock_row2; SELECT * FROM ```t'\"_str` WHERE c1 = '2' FOR UPDATE; connection con_str_lock_row3; SELECT * FROM ```t'\"_str` WHERE c1 = '3' FOR UPDATE; connection con_str_lock_row4; SELECT * FROM ```t'\"_str` WHERE c1 = '4' FOR UPDATE; connection con_verify_innodb_locks; SELECT lock_mode, lock_type, lock_table, lock_index, lock_rec, lock_data FROM INFORMATION_SCHEMA.INNODB_LOCKS ORDER BY lock_data; lock_mode lock_type lock_table lock_index lock_rec lock_data X RECORD `test`.```t'\"_str` PRIMARY 2 '1', 'abc', '''abc', 'abc''', 'a''bc', 'a''bc''', '''abc''''' X RECORD `test`.```t'\"_str` PRIMARY 2 '1', 'abc', '''abc', 'abc''', 'a''bc', 'a''bc''', '''abc''''' X RECORD `test`.```t'\"_str` PRIMARY 3 '2', 'abc', '"abc', 'abc"', 'a"bc', 'a"bc"', '"abc""' X RECORD `test`.```t'\"_str` PRIMARY 3 '2', 'abc', '"abc', 'abc"', 'a"bc', 'a"bc"', '"abc""' X RECORD `test`.```t'\"_str` PRIMARY 4 '3', 'abc', '\\abc', 'abc\\', 'a\\bc', 'a\\bc\\', '\\abc\\\\' X RECORD `test`.```t'\"_str` PRIMARY 4 '3', 'abc', '\\abc', 'abc\\', 'a\\bc', 'a\\bc\\', '\\abc\\\\' X RECORD `test`.```t'\"_str` PRIMARY 5 '4', 'abc', '\0abc', 'abc\0', 'a\0bc', 'a\0bc\0', 'a\0bc\0\0' X RECORD `test`.```t'\"_str` PRIMARY 5 '4', 'abc', '\0abc', 'abc\0', 'a\0bc', 'a\0bc\0', 'a\0bc\0\0' X RECORD `test`.`t_min` PRIMARY 2 -128, 0, -32768, 0, -8388608, 0, -2147483648, 0, -9223372036854775808, 0 X RECORD `test`.`t_min` PRIMARY 2 -128, 0, -32768, 0, -8388608, 0, -2147483648, 0, -9223372036854775808, 0 X RECORD `test`.`t_max` PRIMARY 2 127, 255, 32767, 65535, 8388607, 16777215, 2147483647, 4294967295, 9223372036854775807, 18446744073709551615 X RECORD `test`.`t_max` PRIMARY 2 127, 255, 32767, 65535, 8388607, 16777215, 2147483647, 4294967295, 9223372036854775807, 18446744073709551615 X RECORD `test`.```t'\"_str` PRIMARY 1 supremum pseudo-record X RECORD `test`.```t'\"_str` PRIMARY 1 supremum pseudo-record SELECT lock_table, COUNT(*) FROM INFORMATION_SCHEMA.INNODB_LOCKS GROUP BY lock_table; lock_table COUNT(*) `test`.`t_max` 2 `test`.`t_min` 2 `test`.```t'\"_str` 10 set @save_sql_mode = @@sql_mode; SET SQL_MODE='ANSI_QUOTES'; SELECT lock_table, COUNT(*) FROM INFORMATION_SCHEMA.INNODB_LOCKS GROUP BY lock_table; lock_table COUNT(*) "test"."t_max" 2 "test"."t_min" 2 "test"."`t'\""_str" 10 SET @@sql_mode=@save_sql_mode; connection con_lock; COMMIT; connection default; disconnect con_lock; disconnect con_min_trylock; disconnect con_max_trylock; disconnect con_str_insert_supremum; disconnect con_str_lock_row1; disconnect con_str_lock_row2; disconnect con_str_lock_row3; disconnect con_str_lock_row4; disconnect con_verify_innodb_locks; DROP TABLE t_min, t_max, ```t'\"_str`; SET GLOBAL innodb_lock_wait_timeout=@save_timeout;