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55c765925d
SHOW CREATE TABLE fails Underlying table names, that merge engine fails to open were not reported. With this fix CHECK TABLE issued against merge table reports all underlying table names that it fails to open. Other statements are unaffected, that is underlying table names are not included into error message. This fix doesn't solve SHOW CREATE TABLE issue. myisammrg/myrg_def.h: Added myrg_print_wrong_table declaration. myisammrg/myrg_open.c: If HA_OPEN_FOR_REPAIR is passed to merge engine open function, report names of tables that we fail to open. mysql-test/r/backup.result: Updated test result. mysql-test/r/key_cache.result: Updated test result - removed duplicate error. mysql-test/r/lock.result: Updated test result - added summary row. mysql-test/r/merge.result: A test case for BUG#26976. mysql-test/r/preload.result: Updated test result - removed duplicate error, added summary row. mysql-test/r/ps.result: Updated test result - removed duplicate error, added summary row. mysql-test/r/repair.result: Updated test result - removed duplicate error, added summary row. mysql-test/r/rpl_failed_optimize.result: Updated test result - removed duplicate error, added summary row. mysql-test/r/sp.result: Updated test result - removed duplicate error, added summary row. mysql-test/r/view.result: Updated test result - removed duplicate error, added summary row. mysql-test/t/merge.test: A test case for BUG#26976. sql/ha_myisam.cc: Do not report same error twice. sql/ha_myisammrg.cc: If HA_OPEN_FOR_REPAIR is passed to merge engine open function, report names of tables that we fail to open. Added dummy ha_myisammrg::check to not confuse users with "not implemented" error in case all underlying tables are fine. sql/ha_myisammrg.h: Added ha_myisammrg::check declaration. sql/share/errmsg.txt: Added ER_ADMIN_WRONG_MRG_TABLE errno. It is used instead of ER_WRONG_MRG_TABLE in case HA_OPEN_FOR_REPAIR is passed to merge engine handler open function. sql/sql_error.cc: warning_level_* are now public. It is required by mysql_admin_table to report message level. sql/sql_error.h: warning_level_* are now public. It is required by mysql_admin_table to report message level. sql/sql_table.cc: Reorder mysql_admin_table arguments to meet it's definition. Report errors that are pending in thd->warn_list as results of admin function.
368 lines
10 KiB
Text
368 lines
10 KiB
Text
drop table if exists t1, t2, t3;
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SET @save_key_buffer=@@key_buffer_size;
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SELECT @@key_buffer_size, @@small.key_buffer_size;
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@@key_buffer_size @@small.key_buffer_size
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2097152 131072
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SET @@global.key_buffer_size=16*1024*1024;
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SET @@global.default.key_buffer_size=16*1024*1024;
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SET @@global.default.key_buffer_size=16*1024*1024;
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SET @@global.small.key_buffer_size=1*1024*1024;
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SET @@global.medium.key_buffer_size=4*1024*1024;
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SET @@global.medium.key_buffer_size=0;
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SET @@global.medium.key_buffer_size=0;
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SHOW VARIABLES like "key_buffer_size";
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Variable_name Value
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key_buffer_size 16777216
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SELECT @@key_buffer_size;
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@@key_buffer_size
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16777216
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SELECT @@global.key_buffer_size;
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@@global.key_buffer_size
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16777216
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SELECT @@global.default.key_buffer_size;
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@@global.default.key_buffer_size
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16777216
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SELECT @@global.default.`key_buffer_size`;
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@@global.default.`key_buffer_size`
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16777216
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SELECT @@global.`default`.`key_buffer_size`;
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@@global.`default`.`key_buffer_size`
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16777216
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SELECT @@`default`.key_buffer_size;
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@@`default`.key_buffer_size
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16777216
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SELECT @@small.key_buffer_size;
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@@small.key_buffer_size
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1048576
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SELECT @@medium.key_buffer_size;
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@@medium.key_buffer_size
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0
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SET @@global.key_buffer_size=@save_key_buffer;
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SELECT @@default.key_buffer_size;
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ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'default.key_buffer_size' at line 1
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SELECT @@skr.storage_engine="test";
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ERROR HY000: Variable 'storage_engine' is not a variable component (can't be used as XXXX.variable_name)
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select @@keycache1.key_cache_block_size;
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@@keycache1.key_cache_block_size
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0
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select @@keycache1.key_buffer_size;
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@@keycache1.key_buffer_size
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0
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set global keycache1.key_cache_block_size=2048;
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select @@keycache1.key_buffer_size;
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@@keycache1.key_buffer_size
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0
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select @@keycache1.key_cache_block_size;
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@@keycache1.key_cache_block_size
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2048
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set global keycache1.key_buffer_size=1*1024*1024;
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select @@keycache1.key_buffer_size;
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@@keycache1.key_buffer_size
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1048576
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select @@keycache1.key_cache_block_size;
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@@keycache1.key_cache_block_size
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2048
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set global keycache2.key_buffer_size=4*1024*1024;
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select @@keycache2.key_buffer_size;
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@@keycache2.key_buffer_size
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4194304
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select @@keycache2.key_cache_block_size;
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@@keycache2.key_cache_block_size
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1024
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set global keycache1.key_buffer_size=0;
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select @@keycache1.key_buffer_size;
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@@keycache1.key_buffer_size
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0
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select @@keycache1.key_cache_block_size;
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@@keycache1.key_cache_block_size
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2048
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select @@key_buffer_size;
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@@key_buffer_size
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2097152
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select @@key_cache_block_size;
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@@key_cache_block_size
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1024
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set global keycache1.key_buffer_size=1024*1024;
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create table t1 (p int primary key, a char(10)) delay_key_write=1;
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create table t2 (p int primary key, i int, a char(10), key k1(i), key k2(a));
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show status like 'key_blocks_used';
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Variable_name Value
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Key_blocks_used 0
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show status like 'key_blocks_unused';
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Variable_name Value
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Key_blocks_unused KEY_BLOCKS_UNUSED
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insert into t1 values (1, 'qqqq'), (11, 'yyyy');
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insert into t2 values (1, 1, 'qqqq'), (2, 1, 'pppp'),
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(3, 1, 'yyyy'), (4, 3, 'zzzz');
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select * from t1;
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p a
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1 qqqq
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11 yyyy
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select * from t2;
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p i a
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1 1 qqqq
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2 1 pppp
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3 1 yyyy
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4 3 zzzz
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update t1 set p=2 where p=1;
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update t2 set i=2 where i=1;
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show status like 'key_blocks_used';
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Variable_name Value
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Key_blocks_used 4
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show status like 'key_blocks_unused';
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Variable_name Value
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Key_blocks_unused KEY_BLOCKS_UNUSED
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cache index t1 key (`primary`) in keycache1;
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Table Op Msg_type Msg_text
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test.t1 assign_to_keycache status OK
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explain select p from t1;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index NULL PRIMARY 4 NULL 2 Using index
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select p from t1;
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p
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2
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11
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explain select i from t2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 index NULL k1 5 NULL 4 Using index
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select i from t2;
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i
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2
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2
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2
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3
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explain select count(*) from t1, t2 where t1.p = t2.i;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 index PRIMARY PRIMARY 4 NULL 2 Using index
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1 SIMPLE t2 ref k1 k1 5 test.t1.p 2 Using where; Using index
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select count(*) from t1, t2 where t1.p = t2.i;
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count(*)
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3
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cache index t2 in keycache1;
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Table Op Msg_type Msg_text
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test.t2 assign_to_keycache status OK
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update t2 set p=p+1000, i=2 where a='qqqq';
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cache index t2 in keycache2;
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Table Op Msg_type Msg_text
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test.t2 assign_to_keycache status OK
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insert into t2 values (2000, 3, 'yyyy');
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cache index t2 in keycache1;
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Table Op Msg_type Msg_text
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test.t2 assign_to_keycache status OK
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update t2 set p=3000 where a='zzzz';
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select * from t2;
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p i a
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1001 2 qqqq
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2 2 pppp
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3 2 yyyy
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3000 3 zzzz
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2000 3 yyyy
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explain select p from t2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 index NULL PRIMARY 4 NULL 5 Using index
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select p from t2;
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p
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2
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3
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1001
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2000
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3000
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explain select i from t2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 index NULL k1 5 NULL 5 Using index
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select i from t2;
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i
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2
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2
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2
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3
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3
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explain select a from t2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 index NULL k2 11 NULL 5 Using index
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select a from t2;
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a
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pppp
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qqqq
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yyyy
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yyyy
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zzzz
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cache index t1 in unknown_key_cache;
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ERROR HY000: Unknown key cache 'unknown_key_cache'
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cache index t1 key (unknown_key) in keycache1;
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Table Op Msg_type Msg_text
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test.t1 assign_to_keycache Error Key 'unknown_key' doesn't exist in table 't1'
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test.t1 assign_to_keycache status Operation failed
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select @@keycache2.key_buffer_size;
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@@keycache2.key_buffer_size
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4194304
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select @@keycache2.key_cache_block_size;
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@@keycache2.key_cache_block_size
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1024
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set global keycache2.key_buffer_size=0;
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select @@keycache2.key_buffer_size;
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@@keycache2.key_buffer_size
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0
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select @@keycache2.key_cache_block_size;
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@@keycache2.key_cache_block_size
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1024
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set global keycache2.key_buffer_size=1024*1024;
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select @@keycache2.key_buffer_size;
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@@keycache2.key_buffer_size
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1048576
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update t2 set p=4000 where a='zzzz';
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update t1 set p=p+1;
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set global keycache1.key_buffer_size=0;
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select * from t2;
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p i a
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1001 2 qqqq
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2 2 pppp
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3 2 yyyy
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4000 3 zzzz
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2000 3 yyyy
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select p from t2;
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p
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2
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3
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1001
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2000
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4000
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explain select i from t2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 index NULL k1 5 NULL 5 Using index
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select i from t2;
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i
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2
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2
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2
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3
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3
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explain select a from t2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 index NULL k2 11 NULL 5 Using index
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select a from t2;
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a
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pppp
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qqqq
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yyyy
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yyyy
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zzzz
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select * from t1;
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p a
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3 qqqq
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12 yyyy
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select p from t1;
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p
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3
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12
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create table t3 (like t1);
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cache index t3 in small;
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Table Op Msg_type Msg_text
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test.t3 assign_to_keycache status OK
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insert into t3 select * from t1;
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cache index t3 in keycache2;
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Table Op Msg_type Msg_text
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test.t3 assign_to_keycache status OK
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cache index t1,t2 in default;
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Table Op Msg_type Msg_text
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test.t1 assign_to_keycache status OK
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test.t2 assign_to_keycache status OK
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drop table t1,t2,t3;
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show status like 'key_blocks_used';
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Variable_name Value
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Key_blocks_used 4
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show status like 'key_blocks_unused';
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Variable_name Value
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Key_blocks_unused KEY_BLOCKS_UNUSED
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set global keycache2.key_buffer_size=0;
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set global keycache3.key_buffer_size=100;
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set global keycache3.key_buffer_size=0;
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create table t1 (mytext text, FULLTEXT (mytext));
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insert t1 values ('aaabbb');
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check table t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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set @my_key_cache_block_size= @@global.key_cache_block_size;
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set GLOBAL key_cache_block_size=2048;
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check table t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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drop table t1;
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set global key_cache_block_size= @my_key_cache_block_size;
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CREATE TABLE t1(a int NOT NULL AUTO_INCREMENT PRIMARY KEY);
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SET @my_key_cache_block_size= @@global.key_cache_block_size;
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SET GLOBAL key_cache_block_size=1536;
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INSERT INTO t1 VALUES (1);
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SELECT @@key_cache_block_size;
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@@key_cache_block_size
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1536
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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DROP TABLE t1;
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CREATE TABLE t1(a int NOT NULL AUTO_INCREMENT PRIMARY KEY, b int);
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CREATE TABLE t2(a int NOT NULL AUTO_INCREMENT PRIMARY KEY, b int);
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SET GLOBAL key_cache_block_size=1536;
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INSERT INTO t1 VALUES (1,0);
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INSERT INTO t2(b) SELECT b FROM t1;
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INSERT INTO t1(b) SELECT b FROM t2;
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INSERT INTO t2(b) SELECT b FROM t1;
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INSERT INTO t1(b) SELECT b FROM t2;
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INSERT INTO t2(b) SELECT b FROM t1;
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INSERT INTO t1(b) SELECT b FROM t2;
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INSERT INTO t2(b) SELECT b FROM t1;
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INSERT INTO t1(b) SELECT b FROM t2;
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INSERT INTO t2(b) SELECT b FROM t1;
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INSERT INTO t1(b) SELECT b FROM t2;
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INSERT INTO t2(b) SELECT b FROM t1;
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INSERT INTO t1(b) SELECT b FROM t2;
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INSERT INTO t2(b) SELECT b FROM t1;
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INSERT INTO t1(b) SELECT b FROM t2;
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INSERT INTO t2(b) SELECT b FROM t1;
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INSERT INTO t1(b) SELECT b FROM t2;
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INSERT INTO t2(b) SELECT b FROM t1;
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INSERT INTO t1(b) SELECT b FROM t2;
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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4181
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SELECT @@key_cache_block_size;
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@@key_cache_block_size
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1536
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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DROP TABLE t1,t2;
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set global key_cache_block_size= @my_key_cache_block_size;
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set @@global.key_buffer_size=0;
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Warnings:
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Warning 1438 Cannot drop default keycache
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select @@global.key_buffer_size;
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@@global.key_buffer_size
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2097152
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SET @bug28478_key_cache_block_size= @@global.key_cache_block_size;
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SET GLOBAL key_cache_block_size= 1536;
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CREATE TABLE t1 (
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id BIGINT NOT NULL AUTO_INCREMENT PRIMARY KEY,
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c1 CHAR(150),
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c2 CHAR(150),
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c3 CHAR(150),
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KEY(c1, c2, c3)
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) ENGINE= MyISAM;
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INSERT INTO t1 (c1, c2, c3) VALUES
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('a', 'b', 'c'), ('b', 'c', 'd'), ('c', 'd', 'e'), ('d', 'e', 'f'),
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('e', 'f', 'g'), ('f', 'g', 'h'), ('g', 'h', 'i'), ('h', 'i', 'j'),
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('i', 'j', 'k'), ('j', 'k', 'l'), ('k', 'l', 'm'), ('l', 'm', 'n'),
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('m', 'n', 'o'), ('n', 'o', 'p'), ('o', 'p', 'q'), ('p', 'q', 'r'),
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('q', 'r', 's'), ('r', 's', 't'), ('s', 't', 'u'), ('t', 'u', 'v'),
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('u', 'v', 'w'), ('v', 'w', 'x'), ('w', 'x', 'y'), ('x', 'y', 'z');
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INSERT INTO t1 (c1, c2, c3) SELECT c1, c2, c3 from t1;
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INSERT INTO t1 (c1, c2, c3) SELECT c1, c2, c3 from t1;
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INSERT INTO t1 (c1, c2, c3) SELECT c1, c2, c3 from t1;
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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SHOW VARIABLES LIKE 'key_cache_block_size';
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Variable_name Value
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key_cache_block_size 1536
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SET GLOBAL key_cache_block_size= @bug28478_key_cache_block_size;
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DROP TABLE t1;
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