467 lines
20 KiB
Plaintext
467 lines
20 KiB
Plaintext
SET default_storage_engine=InnoDB;
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set global innodb_file_per_table=1;
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### Test 1 ###
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create table worklog5743(a TEXT not null, primary key (a(1000))) charset latin1 ROW_FORMAT=DYNAMIC;
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show warnings;
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Level Code Message
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insert into worklog5743 values(repeat("a", 20000));
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update worklog5743 set a = (repeat("b", 16000));
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create index idx on worklog5743(a(2000));
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show warnings;
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Level Code Message
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begin;
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update worklog5743 set a = (repeat("x", 17000));
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select @@session.transaction_isolation;
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@@session.transaction_isolation
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REPEATABLE-READ
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select a = repeat("x", 17000) from worklog5743;
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a = repeat("x", 17000)
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0
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select a = repeat("b", 16000) from worklog5743;
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a = repeat("b", 16000)
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1
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SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
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select @@session.transaction_isolation;
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@@session.transaction_isolation
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READ-UNCOMMITTED
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select a = repeat("x", 17000) from worklog5743;
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a = repeat("x", 17000)
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1
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rollback;
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drop table worklog5743;
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### Test 2 ###
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create table worklog5743(a1 int, a2 TEXT not null) charset latin1 ROW_FORMAT=DYNAMIC;
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show warnings;
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Level Code Message
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create index idx on worklog5743(a1, a2(2000));
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show warnings;
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Level Code Message
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insert into worklog5743 values(9, repeat("a", 10000));
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begin;
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update worklog5743 set a1 = 1000;
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select @@session.transaction_isolation;
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@@session.transaction_isolation
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REPEATABLE-READ
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explain select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
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id select_type table partitions type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE worklog5743 NULL ref idx idx 5 const 1 100.00 NULL
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Warnings:
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Note 1003 /* select#1 */ select `test`.`worklog5743`.`a1` AS `a1`,(`test`.`worklog5743`.`a2` = convert(repeat('a',10000) using latin1)) AS `a2 = repeat("a", 10000)` from `test`.`worklog5743` where (`test`.`worklog5743`.`a1` = 9)
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select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
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a1 a2 = repeat("a", 10000)
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9 1
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SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
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select @@session.transaction_isolation;
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@@session.transaction_isolation
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READ-UNCOMMITTED
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select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
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a1 a2 = repeat("a", 10000)
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rollback;
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drop table worklog5743;
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### Test 3 ###
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create table worklog5743(a1 int, a2 TEXT not null) ROW_FORMAT=DYNAMIC;
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create index idx on worklog5743(a1, a2(50));
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insert into worklog5743 values(9, repeat("a", 10000));
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begin;
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update worklog5743 set a1 = 1000;
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select @@session.transaction_isolation;
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@@session.transaction_isolation
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REPEATABLE-READ
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explain select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
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id select_type table partitions type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE worklog5743 NULL ref idx idx 5 const 1 100.00 NULL
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Warnings:
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Note 1003 /* select#1 */ select `test`.`worklog5743`.`a1` AS `a1`,(`test`.`worklog5743`.`a2` = repeat('a',10000)) AS `a2 = repeat("a", 10000)` from `test`.`worklog5743` where (`test`.`worklog5743`.`a1` = 9)
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select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
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a1 a2 = repeat("a", 10000)
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9 1
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SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
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select @@session.transaction_isolation;
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@@session.transaction_isolation
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READ-UNCOMMITTED
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select a1, a2 = repeat("a", 10000) from worklog5743 where a1 = 9;
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a1 a2 = repeat("a", 10000)
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rollback;
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drop table worklog5743;
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### Test 4 ###
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create table worklog5743_1(a1 int, a2 TEXT not null) charset latin1 KEY_BLOCK_SIZE=1;
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create table worklog5743_2(a1 int, a2 TEXT not null) charset latin1 KEY_BLOCK_SIZE=2;
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create table worklog5743_4(a1 int, a2 TEXT not null) charset latin1 KEY_BLOCK_SIZE=4;
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create table worklog5743_8(a1 int, a2 TEXT, a3 TEXT) charset latin1 KEY_BLOCK_SIZE=8;
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create table worklog5743_16(a1 int, a2 TEXT, a3 TEXT) charset latin1 KEY_BLOCK_SIZE=16;
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create index idx2 on worklog5743_1(a2(4000));
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ERROR 42000: Specified key was too long; max key length is 3072 bytes
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show warnings;
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Level Code Message
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Error 1071 Specified key was too long; max key length is 3072 bytes
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create index idx3 on worklog5743_1(a2(436));
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ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs
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show warnings;
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Level Code Message
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Error 1118 Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs
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create index idx4 on worklog5743_1(a2(419));
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show warnings;
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Level Code Message
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create index idx5 on worklog5743_1(a1, a2(430));
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ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs
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show warnings;
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Level Code Message
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Error 1118 Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs
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create index idx6 on worklog5743_1(a1, a2(413));
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show warnings;
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Level Code Message
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SET sql_mode= '';
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create index idx2 on worklog5743_2(a2(4000));
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ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs
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show warnings;
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Level Code Message
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Warning 1071 Specified key was too long; max key length is 3072 bytes
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Error 1118 Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs
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create index idx3 on worklog5743_2(a2(948));
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ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs
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show warnings;
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Level Code Message
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Error 1118 Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs
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create index idx4 on worklog5743_2(a2(930));
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show warnings;
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Level Code Message
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create index idx5 on worklog5743_2(a1, a2(934));
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ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs
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show warnings;
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Level Code Message
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Error 1118 Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs
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create index idx6 on worklog5743_2(a1, a2(924));
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show warnings;
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Level Code Message
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create index idx2 on worklog5743_4(a2(4000));
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ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs
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show warnings;
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Level Code Message
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Warning 1071 Specified key was too long; max key length is 3072 bytes
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Error 1118 Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs
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create index idx3 on worklog5743_4(a2(1964));
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ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs
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show warnings;
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Level Code Message
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Error 1118 Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs
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create index idx4 on worklog5743_4(a2(1954));
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show warnings;
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Level Code Message
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create index idx5 on worklog5743_4(a1, a2(1958));
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ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs
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show warnings;
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Level Code Message
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Error 1118 Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs
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create index idx6 on worklog5743_4(a1, a2(1948));
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show warnings;
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Level Code Message
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create index idx2 on worklog5743_8(a2(3073));
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Warnings:
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Warning 1071 Specified key was too long; max key length is 3072 bytes
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show warnings;
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Level Code Message
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Warning 1071 Specified key was too long; max key length is 3072 bytes
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create index idx3 on worklog5743_8(a2(3072));
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Warnings:
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Warning 1831 Duplicate index 'idx3' defined on the table 'test.worklog5743_8'. This is deprecated and will be disallowed in a future release.
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show warnings;
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Level Code Message
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Warning 1831 Duplicate index 'idx3' defined on the table 'test.worklog5743_8'. This is deprecated and will be disallowed in a future release.
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create index idx4 on worklog5743_8(a1, a2(3069));
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ERROR 42000: Specified key was too long; max key length is 3072 bytes
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show warnings;
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Level Code Message
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Error 1071 Specified key was too long; max key length is 3072 bytes
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create index idx5 on worklog5743_8(a1, a2(3068));
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show warnings;
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Level Code Message
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create index idx6 on worklog5743_8(a1, a2(2000), a3(1069));
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ERROR 42000: Specified key was too long; max key length is 3072 bytes
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show warnings;
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Level Code Message
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Error 1071 Specified key was too long; max key length is 3072 bytes
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create index idx7 on worklog5743_8(a1, a2(2000), a3(1068));
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show warnings;
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Level Code Message
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create index idx2 on worklog5743_16(a2(3073));
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Warnings:
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Warning 1071 Specified key was too long; max key length is 3072 bytes
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show warnings;
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Level Code Message
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Warning 1071 Specified key was too long; max key length is 3072 bytes
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create index idx3 on worklog5743_16(a2(3072));
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Warnings:
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Warning 1831 Duplicate index 'idx3' defined on the table 'test.worklog5743_16'. This is deprecated and will be disallowed in a future release.
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show warnings;
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Level Code Message
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Warning 1831 Duplicate index 'idx3' defined on the table 'test.worklog5743_16'. This is deprecated and will be disallowed in a future release.
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create index idx4 on worklog5743_16(a1, a2(3069));
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ERROR 42000: Specified key was too long; max key length is 3072 bytes
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show warnings;
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Level Code Message
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Error 1071 Specified key was too long; max key length is 3072 bytes
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create index idx5 on worklog5743_16(a1, a2(3068));
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show warnings;
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Level Code Message
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create index idx6 on worklog5743_16(a1, a2(2000), a3(1069));
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ERROR 42000: Specified key was too long; max key length is 3072 bytes
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show warnings;
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Level Code Message
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Error 1071 Specified key was too long; max key length is 3072 bytes
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create index idx7 on worklog5743_16(a1, a2(2000), a3(1068));
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show warnings;
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Level Code Message
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set sql_mode= default;
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insert into worklog5743_1 values(9, repeat("a", 10000));
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insert into worklog5743_2 values(9, repeat("a", 10000));
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insert into worklog5743_4 values(9, repeat("a", 10000));
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insert into worklog5743_8 values(9, repeat("a", 10000), repeat("a", 10000));
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insert into worklog5743_16 values(9, repeat("a", 10000), repeat("a", 10000));
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insert into worklog5743_1 values(2, repeat("b", 10000));
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insert into worklog5743_2 values(2, repeat("b", 10000));
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insert into worklog5743_4 values(2, repeat("b", 10000));
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insert into worklog5743_8 values(2, repeat("b", 10000), repeat("b", 10000));
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insert into worklog5743_16 values(2, repeat("b", 10000), repeat("b", 10000));
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select a1, left(a2, 20) from worklog5743_1;
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a1 left(a2, 20)
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9 aaaaaaaaaaaaaaaaaaaa
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2 bbbbbbbbbbbbbbbbbbbb
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select a1, left(a2, 20) from worklog5743_2;
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a1 left(a2, 20)
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9 aaaaaaaaaaaaaaaaaaaa
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2 bbbbbbbbbbbbbbbbbbbb
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select a1, left(a2, 20) from worklog5743_4;
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a1 left(a2, 20)
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9 aaaaaaaaaaaaaaaaaaaa
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2 bbbbbbbbbbbbbbbbbbbb
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select a1, left(a2, 20) from worklog5743_8;
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a1 left(a2, 20)
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9 aaaaaaaaaaaaaaaaaaaa
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2 bbbbbbbbbbbbbbbbbbbb
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select a1, left(a2, 20) from worklog5743_16;
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a1 left(a2, 20)
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9 aaaaaaaaaaaaaaaaaaaa
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2 bbbbbbbbbbbbbbbbbbbb
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begin;
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update worklog5743_1 set a1 = 1000;
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update worklog5743_2 set a1 = 1000;
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update worklog5743_4 set a1 = 1000;
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update worklog5743_8 set a1 = 1000;
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update worklog5743_16 set a1 = 1000;
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select a1, left(a2, 20) from worklog5743_1;
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a1 left(a2, 20)
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1000 aaaaaaaaaaaaaaaaaaaa
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1000 bbbbbbbbbbbbbbbbbbbb
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select a1, left(a2, 20) from worklog5743_2;
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a1 left(a2, 20)
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1000 aaaaaaaaaaaaaaaaaaaa
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1000 bbbbbbbbbbbbbbbbbbbb
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select a1, left(a2, 20) from worklog5743_4;
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a1 left(a2, 20)
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1000 aaaaaaaaaaaaaaaaaaaa
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1000 bbbbbbbbbbbbbbbbbbbb
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select a1, left(a2, 20) from worklog5743_8;
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a1 left(a2, 20)
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1000 aaaaaaaaaaaaaaaaaaaa
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1000 bbbbbbbbbbbbbbbbbbbb
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select a1, left(a2, 20) from worklog5743_16;
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a1 left(a2, 20)
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1000 aaaaaaaaaaaaaaaaaaaa
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1000 bbbbbbbbbbbbbbbbbbbb
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select @@session.transaction_isolation;
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@@session.transaction_isolation
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REPEATABLE-READ
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explain select a1, left(a2, 20) from worklog5743_1 where a1 = 9;
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id select_type table partitions type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE worklog5743_1 NULL ref idx6 idx6 5 const 1 100.00 NULL
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Warnings:
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Note 1003 /* select#1 */ select `test`.`worklog5743_1`.`a1` AS `a1`,left(`test`.`worklog5743_1`.`a2`,20) AS `left(a2, 20)` from `test`.`worklog5743_1` where (`test`.`worklog5743_1`.`a1` = 9)
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explain select a1, left(a2, 20) from worklog5743_2 where a1 = 9;
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id select_type table partitions type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE worklog5743_2 NULL ref idx6 idx6 5 const 1 100.00 NULL
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Warnings:
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Note 1003 /* select#1 */ select `test`.`worklog5743_2`.`a1` AS `a1`,left(`test`.`worklog5743_2`.`a2`,20) AS `left(a2, 20)` from `test`.`worklog5743_2` where (`test`.`worklog5743_2`.`a1` = 9)
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explain select a1, left(a2, 20) from worklog5743_4 where a1 = 9;
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id select_type table partitions type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE worklog5743_4 NULL ref idx6 idx6 5 const 1 100.00 NULL
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Warnings:
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Note 1003 /* select#1 */ select `test`.`worklog5743_4`.`a1` AS `a1`,left(`test`.`worklog5743_4`.`a2`,20) AS `left(a2, 20)` from `test`.`worklog5743_4` where (`test`.`worklog5743_4`.`a1` = 9)
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explain select a1, left(a2, 20) from worklog5743_8 where a1 = 9;
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id select_type table partitions type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE worklog5743_8 NULL ref idx5,idx7 idx5 5 const 1 100.00 NULL
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Warnings:
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Note 1003 /* select#1 */ select `test`.`worklog5743_8`.`a1` AS `a1`,left(`test`.`worklog5743_8`.`a2`,20) AS `left(a2, 20)` from `test`.`worklog5743_8` where (`test`.`worklog5743_8`.`a1` = 9)
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explain select a1, left(a2, 20) from worklog5743_16 where a1 = 9;
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id select_type table partitions type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE worklog5743_16 NULL ref idx5,idx7 idx5 5 const 1 100.00 NULL
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Warnings:
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Note 1003 /* select#1 */ select `test`.`worklog5743_16`.`a1` AS `a1`,left(`test`.`worklog5743_16`.`a2`,20) AS `left(a2, 20)` from `test`.`worklog5743_16` where (`test`.`worklog5743_16`.`a1` = 9)
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select a1, left(a2, 20) from worklog5743_1 where a1 = 9;
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a1 left(a2, 20)
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9 aaaaaaaaaaaaaaaaaaaa
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select a1, left(a2, 20) from worklog5743_2 where a1 = 9;
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a1 left(a2, 20)
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9 aaaaaaaaaaaaaaaaaaaa
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select a1, left(a2, 20) from worklog5743_4 where a1 = 9;
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a1 left(a2, 20)
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9 aaaaaaaaaaaaaaaaaaaa
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select a1, left(a2, 20) from worklog5743_8 where a1 = 9;
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a1 left(a2, 20)
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9 aaaaaaaaaaaaaaaaaaaa
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select a1, left(a2, 20) from worklog5743_16 where a1 = 9;
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a1 left(a2, 20)
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9 aaaaaaaaaaaaaaaaaaaa
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SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
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select @@session.transaction_isolation;
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@@session.transaction_isolation
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READ-UNCOMMITTED
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select a1, left(a2, 20) from worklog5743_1 where a1 = 9;
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a1 left(a2, 20)
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select a1, left(a2, 20) from worklog5743_2 where a1 = 9;
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a1 left(a2, 20)
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select a1, left(a2, 20) from worklog5743_4 where a1 = 9;
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a1 left(a2, 20)
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select a1, left(a2, 20) from worklog5743_8 where a1 = 9;
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a1 left(a2, 20)
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select a1, left(a2, 20) from worklog5743_16 where a1 = 9;
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a1 left(a2, 20)
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rollback;
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drop table worklog5743_1;
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drop table worklog5743_2;
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drop table worklog5743_4;
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drop table worklog5743_8;
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drop table worklog5743_16;
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### Test 5 ###
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create table worklog5743(a1 int,
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a2 varchar(20000),
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a3 varchar(3073),
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a4 varchar(3072),
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a5 varchar(3069),
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a6 varchar(3068))
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charset latin1
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ROW_FORMAT=DYNAMIC;
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SET sql_mode='';
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create index idx1 on worklog5743(a2);
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Warnings:
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Warning 1071 Specified key was too long; max key length is 3072 bytes
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create index idx2 on worklog5743(a3);
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Warnings:
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Warning 1071 Specified key was too long; max key length is 3072 bytes
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create index idx3 on worklog5743(a4);
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show warnings;
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Level Code Message
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SET sql_mode= default;
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create index idx4 on worklog5743(a1, a2);
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ERROR 42000: Specified key was too long; max key length is 3072 bytes
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show warnings;
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Level Code Message
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Error 1071 Specified key was too long; max key length is 3072 bytes
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create index idx5 on worklog5743(a1, a5);
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ERROR 42000: Specified key was too long; max key length is 3072 bytes
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show warnings;
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Level Code Message
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Error 1071 Specified key was too long; max key length is 3072 bytes
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create index idx6 on worklog5743(a1, a6);
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show warnings;
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Level Code Message
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show create table worklog5743;
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Table Create Table
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worklog5743 CREATE TABLE `worklog5743` (
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`a1` int(11) DEFAULT NULL,
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`a2` varchar(20000) DEFAULT NULL,
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`a3` varchar(3073) DEFAULT NULL,
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`a4` varchar(3072) DEFAULT NULL,
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`a5` varchar(3069) DEFAULT NULL,
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`a6` varchar(3068) DEFAULT NULL,
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KEY `idx1` (`a2`(3072)),
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KEY `idx2` (`a3`(3072)),
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KEY `idx3` (`a4`),
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KEY `idx6` (`a1`,`a6`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=DYNAMIC
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insert into worklog5743 values(9,
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repeat("a", 20000), repeat("a", 3073),
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repeat("a", 3072), repeat("a", 3069),
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repeat("a", 3068));
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begin;
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update worklog5743 set a1 = 1000;
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select @@session.transaction_isolation;
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@@session.transaction_isolation
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REPEATABLE-READ
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explain select a1 from worklog5743 where a1 = 9;
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id select_type table partitions type possible_keys key key_len ref rows filtered Extra
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1 SIMPLE worklog5743 NULL ref idx6 idx6 5 const 1 100.00 Using index
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Warnings:
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Note 1003 /* select#1 */ select `test`.`worklog5743`.`a1` AS `a1` from `test`.`worklog5743` where (`test`.`worklog5743`.`a1` = 9)
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select a1 from worklog5743 where a1 = 9;
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a1
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9
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SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
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select @@session.transaction_isolation;
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@@session.transaction_isolation
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READ-UNCOMMITTED
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select a1 from worklog5743 where a1 = 9;
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a1
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rollback;
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drop table worklog5743;
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### Test 6 ###
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create table worklog5743(a TEXT not null, primary key (a(1000)))
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charset latin1
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row_format=compact;
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ERROR 42000: Specified key was too long; max key length is 767 bytes
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create table worklog5743(a TEXT)
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charset latin1
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row_format=compact;
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create index idx on worklog5743(a(768));
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ERROR 42000: Specified key was too long; max key length is 767 bytes
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create index idx on worklog5743(a(767));
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insert into worklog5743 values(repeat("a", 20000));
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begin;
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insert into worklog5743 values(repeat("b", 20000));
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update worklog5743 set a = (repeat("x", 25000));
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select @@session.transaction_isolation;
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@@session.transaction_isolation
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REPEATABLE-READ
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select a = repeat("a", 20000) from worklog5743;
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a = repeat("a", 20000)
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1
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SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
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select @@session.transaction_isolation;
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@@session.transaction_isolation
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READ-UNCOMMITTED
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select a = repeat("x", 25000) from worklog5743;
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a = repeat("x", 25000)
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1
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1
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rollback;
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drop table worklog5743;
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### Test 7 ###
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create table worklog5743(a TEXT not null) ROW_FORMAT=DYNAMIC;
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SET sql_mode='';
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create index idx1 on worklog5743(a(3073));
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Warnings:
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Warning 1071 Specified key was too long; max key length is 3072 bytes
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create index idx2 on worklog5743(a(3072));
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Warnings:
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Warning 1071 Specified key was too long; max key length is 3072 bytes
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Warning 1831 Duplicate index 'idx2' defined on the table 'test.worklog5743'. This is deprecated and will be disallowed in a future release.
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show create table worklog5743;
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Table Create Table
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worklog5743 CREATE TABLE `worklog5743` (
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`a` text NOT NULL,
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KEY `idx1` (`a`(768)),
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KEY `idx2` (`a`(768))
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci ROW_FORMAT=DYNAMIC
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drop table worklog5743;
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SET sql_mode= default;
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create table worklog5743(a TEXT not null) charset latin1 ROW_FORMAT=REDUNDANT;
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create index idx on worklog5743(a(768));
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ERROR 42000: Specified key was too long; max key length is 767 bytes
|
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create index idx2 on worklog5743(a(767));
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drop table worklog5743;
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create table worklog5743(a TEXT not null) charset latin1 ROW_FORMAT=COMPACT;
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create index idx on worklog5743(a(768));
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ERROR 42000: Specified key was too long; max key length is 767 bytes
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create index idx2 on worklog5743(a(767));
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drop table worklog5743;
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SET GLOBAL innodb_file_per_table=1;
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