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e63b5546c597f65696868eaf69159107bc4a8e44
mariadb/mysql-test/r/handler_myisam.result
Michael Widenius e63b5546c5 Implementation of MWL#172: Add support for prepared statements to HANDLER READ 
It includes speed optimizations for HANDLER READ by caching as much as possible in HANDLER OPEN
Other things:
- Added mysqld option --disable-thr-alarm to be able to benchmark things without thr_alarm
- Changed 'Locked' state to 'System lock' and 'Table lock' (these where used in the code but never shown to end user)
- Better error message if mysql_install_db.sh fails
- Moved handler function prototypes to sql_handler.h
- Remove not anymore used 'thd->locked' member


include/thr_alarm.h:
  Added my_disable_thr_alarm
include/thr_lock.h:
  Add new member to THR_LOCK_DATA to remember original lock type state. This is needed as thr_unlock() resets type to TL_UNLOCK.
mysql-test/include/check_no_concurrent_insert.inc:
  Locked -> Table lock
mysql-test/include/handler.inc:
  Locked -> Table lock
mysql-test/r/handler_innodb.result:
  Updated results for new tests
mysql-test/r/handler_myisam.result:
  Updated results for new tests
mysql-test/r/sp-threads.result:
  Locked -> Table lock
mysql-test/suite/binlog/t/binlog_stm_row.test:
  Locked -> Table lock
mysql-test/suite/funcs_1/datadict/processlist_val.inc:
  Locked -> Table lock
mysql-test/suite/pbxt/t/lock_multi.test:
  Locked -> Table lock
mysql-test/suite/sys_vars/r/concurrent_insert_func.result:
  Locked -> Table lock
mysql-test/suite/sys_vars/t/concurrent_insert_func.test:
  Locked -> Table lock
mysql-test/suite/sys_vars/t/delayed_insert_limit_func.test:
  Locked -> Table lock
mysql-test/suite/sys_vars/t/query_cache_wlock_invalidate_func.test:
  Locked -> Table lock
mysql-test/suite/sys_vars/t/sql_low_priority_updates_func.test:
  Locked -> Table lock
mysql-test/t/insert_notembedded.test:
  Locked -> Table lock
mysql-test/t/lock_multi.test:
  Locked -> Table lock
mysql-test/t/merge-big.test:
  Locked -> Table lock
mysql-test/t/multi_update.test:
  Locked -> Table lock
mysql-test/t/query_cache_28249.test:
  Locked -> Table lock
mysql-test/t/sp_notembedded.test:
  Locked -> Table lock
mysql-test/t/sp_sync.test:
  Locked -> Table lock
mysql-test/t/status.test:
  Locked -> Table lock
mysql-test/t/trigger_notembedded.test:
  Locked -> Table lock
mysys/thr_alarm.c:
  Added option to disable thr_alarm
mysys/thr_lock.c:
  Detect loops
scripts/mysql_install_db.sh:
  Give better error message if something goes wrong
sql/Makefile.am:
  Added sql_handler.h
sql/lock.cc:
  Split functions to allow one to cache value if store_lock() (for HANDLER functions).
  - Split mysql_lock_tables() into two functions, where first one allocates MYSQL_LOCK and other other one uses it.
  - Made get_lock_data() an external function.
  - Added argument to mysql_unlock_tables() to not free sql_lock.
  - Added argument to reset_lock_data() to reset lock structure to initial state (as after get_lock_data())
sql/mysql_priv.h:
  Moved handler function prototypes to sql_handler.h
  Added new lock functions.
sql/mysqld.cc:
  Added --thread-alarm startup option
sql/net_serv.cc:
  Don't call vio_blocking() if not needed
sql/sql_base.cc:
  include sql_handler.h
sql/sql_class.cc:
  include sql_handler.h
  Remove not anymore used 'thd->locked' member
sql/sql_class.h:
  Remove not anymore used 'thd->locked' member
sql/sql_db.cc:
  include sql_handler.h
sql/sql_delete.cc:
  include sql_handler.h
sql/sql_handler.cc:
  Rewrote all code to use SQL_HANDLER instead of TABLE_LIST (original interface)
  Rewrote mysql_ha_open() to cache all things from TABLE_LIST and items for field list, where etc.
  In mysql_ha_open() also cache MYSQL_LOCK structure from get_lock_data().
  Split functions into smaller sub functions (needed to be able to implement mysql_ha_read_prepare())
  Added mysql_ha_read_prepare() to allow one to prepare HANDLER READ.
sql/sql_handler.h:
  Interface to sql_handler.cc
sql/sql_parse.cc:
  include sql_handler.h
sql/sql_prepare.cc:
  Added mysql_test_handler_read(), prepare for HANDLER READ
sql/sql_rename.cc:
  include sql_handler.h
sql/sql_show.cc:
  Removed usage of thd->locked
sql/sql_table.cc:
  include sql_handler.h
sql/sql_trigger.cc:
  include sql_handler.h
2011-01-04 00:55:41 +02:00

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SET SESSION STORAGE_ENGINE = MyISAM;
drop table if exists t1,t3,t4,t5;
create table t1 (a int, b char(10), key a(a), key b(a,b));
insert into t1 values
(17,"ddd"),(18,"eee"),(19,"fff"),(19,"yyy"),
(14,"aaa"),(15,"bbb"),(16,"ccc"),(16,"xxx"),
(20,"ggg"),(21,"hhh"),(22,"iii");
handler t1 open as t2;
handler t2 read a=(SELECT 1);
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 'SELECT 1)' at line 1
handler t2 read a first;
a b
14 aaa
handler t2 read a next;
a b
15 bbb
handler t2 read a next;
a b
16 ccc
handler t2 read a prev;
a b
15 bbb
handler t2 read a last;
a b
22 iii
handler t2 read a prev;
a b
21 hhh
handler t2 read a prev;
a b
20 ggg
handler t2 read a first;
a b
14 aaa
handler t2 read a prev;
a b
handler t2 read a last;
a b
22 iii
handler t2 read a prev;
a b
21 hhh
handler t2 read a next;
a b
22 iii
handler t2 read a next;
a b
handler t2 read a=(15);
a b
15 bbb
handler t2 read a=(16);
a b
16 ccc
handler t2 read a=(19,"fff");
ERROR 42000: Too many key parts specified; max 1 parts allowed
handler t2 read b=(19,"fff");
a b
19 fff
handler t2 read b=(19,"yyy");
a b
19 yyy
handler t2 read b=(19);
a b
19 fff
handler t1 read a last;
ERROR 42S02: Unknown table 't1' in HANDLER
handler t2 read a=(11);
a b
handler t2 read a>=(11);
a b
14 aaa
handler t2 read a=(18);
a b
18 eee
handler t2 read a>=(18);
a b
18 eee
handler t2 read a>(18);
a b
19 fff
handler t2 read a<=(18);
a b
18 eee
handler t2 read a<(18);
a b
17 ddd
handler t2 read a first limit 5;
a b
14 aaa
15 bbb
16 ccc
16 xxx
17 ddd
handler t2 read a next limit 3;
a b
18 eee
19 fff
19 yyy
handler t2 read a prev limit 10;
a b
19 fff
18 eee
17 ddd
16 xxx
16 ccc
15 bbb
14 aaa
handler t2 read a>=(16) limit 4;
a b
16 ccc
16 xxx
17 ddd
18 eee
handler t2 read a>=(16) limit 2,2;
a b
17 ddd
18 eee
select * from t1 where a>=16 limit 2,2;
a b
17 ddd
18 eee
handler t2 read a last limit 3;
a b
22 iii
21 hhh
20 ggg
handler t2 read a=(16) limit 1,3;
a b
16 xxx
handler t2 read a=(19);
a b
19 fff
handler t2 read a=(19) where b="yyy";
a b
19 yyy
handler t2 read first;
a b
17 ddd
handler t2 read next;
a b
18 eee
handler t2 read next;
a b
19 fff
handler t2 read last;
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 '' at line 1
handler t2 close;
handler t1 open;
handler t1 read a next;
a b
14 aaa
handler t1 read a next;
a b
15 bbb
handler t1 close;
handler t1 open;
handler t1 read a prev;
a b
22 iii
handler t1 read a prev;
a b
21 hhh
handler t1 close;
handler t1 open as t2;
handler t2 read first;
a b
17 ddd
alter table t1 engine = MyISAM;
handler t2 read first;
ERROR 42S02: Unknown table 't2' in HANDLER
handler t1 open;
handler t1 read a=(16) limit 1,3;
a b
16 xxx
flush tables;
handler t1 read a=(16) limit 1,3;
a b
16 xxx
handler t1 close;
handler t1 open;
prepare stmt from 'handler t1 read a=(?) limit ?,?';
set @a=16,@b=1,@c=100;
execute stmt using @a,@b,@c;
a b
16 xxx
set @a=16,@b=2,@c=1;
execute stmt using @a,@b,@c;
a b
set @a=16,@b=0,@c=2;
execute stmt using @a,@b,@c;
a b
16 ccc
16 xxx
deallocate prepare stmt;
prepare stmt from 'handler t1 read a next limit ?';
handler t1 read a>=(11);
a b
14 aaa
set @a=3;
execute stmt using @a;
a b
15 bbb
16 ccc
16 xxx
execute stmt using @a;
a b
17 ddd
18 eee
19 fff
execute stmt using @a;
a b
19 yyy
20 ggg
21 hhh
deallocate prepare stmt;
prepare stmt from 'handler t1 read b prev limit ?';
execute stmt using @a;
a b
22 iii
21 hhh
20 ggg
execute stmt using @a;
a b
19 yyy
19 fff
18 eee
execute stmt using @a;
a b
17 ddd
16 xxx
16 ccc
execute stmt using @a;
a b
15 bbb
14 aaa
deallocate prepare stmt;
prepare stmt from 'handler t1 read b=(?,?)';
set @a=14, @b='aaa';
execute stmt using @a,@b;
a b
14 aaa
set @a=14, @b='not found';
execute stmt using @a,@b;
a b
deallocate prepare stmt;
prepare stmt from 'handler t1 read b=(1+?) limit 10';
set @a=15;
execute stmt using @a;
a b
16 ccc
16 xxx
execute stmt using @a;
a b
16 ccc
16 xxx
deallocate prepare stmt;
prepare stmt from 'handler t1 read a>=(?) where a < ? limit 5';
set @a=15, @b=20;
execute stmt using @a,@b;
a b
15 bbb
16 ccc
16 xxx
17 ddd
18 eee
execute stmt using @a,@b;
a b
15 bbb
16 ccc
16 xxx
17 ddd
18 eee
deallocate prepare stmt;
prepare stmt from 'handler t1 read a=(?)';
set @a=16;
execute stmt using @a;
a b
16 ccc
alter table t1 add c int;
execute stmt using @a;
ERROR 42S02: Unknown table 't1' in HANDLER
deallocate prepare stmt;
handler t1 close;
ERROR 42S02: Unknown table 't1' in HANDLER
handler t1 open;
prepare stmt from 'handler t1 read a=(?)';
flush tables;
set @a=16;
execute stmt using @a;
ERROR HY000: Prepared statement needs to be re-prepared
deallocate prepare stmt;
handler t1 close;
handler t1 open as t2;
drop table t1;
create table t1 (a int);
insert into t1 values (17);
handler t2 read first;
ERROR 42S02: Unknown table 't2' in HANDLER
handler t1 open as t2;
alter table t1 engine=MEMORY;
handler t2 read first;
ERROR 42S02: Unknown table 't2' in HANDLER
drop table t1;
create table t1 (a int);
insert into t1 values (1),(2),(3),(4),(5),(6);
delete from t1 limit 2;
handler t1 open;
handler t1 read first;
a
3
handler t1 read first limit 1,1;
a
4
handler t1 read first limit 2,2;
a
5
6
delete from t1 limit 3;
handler t1 read first;
a
6
drop table t1;
create table t1(a int, index(a));
insert into t1 values (1), (2), (3);
handler t1 open;
handler t1 read a=(W);
ERROR 42S22: Unknown column 'W' in 'field list'
handler t1 read a=(a);
ERROR HY000: Incorrect arguments to HANDLER ... READ
drop table t1;
create table t1 (a char(5));
insert into t1 values ("Ok");
handler t1 open as t;
handler t read first;
a
Ok
use mysql;
handler t read first;
a
Ok
handler t close;
handler test.t1 open as t;
handler t read first;
a
Ok
handler t close;
use test;
drop table t1;
create table t1 ( a int, b int, INDEX a (a) );
insert into t1 values (1,2), (2,1);
handler t1 open;
handler t1 read a=(1) where b=2;
a b
1 2
handler t1 read a=(1) where b=3;
a b
handler t1 read a=(1) where b=1;
a b
handler t1 close;
drop table t1;
drop database if exists test_test;
create database test_test;
use test_test;
create table t1(table_id char(20) primary key);
insert into t1 values ('test_test.t1');
insert into t1 values ('');
handler t1 open;
handler t1 read first limit 9;
table_id
test_test.t1
create table t2(table_id char(20) primary key);
insert into t2 values ('test_test.t2');
insert into t2 values ('');
handler t2 open;
handler t2 read first limit 9;
table_id
test_test.t2
use test;
drop table if exists t1;
create table t1(table_id char(20) primary key);
insert into t1 values ('test.t1');
insert into t1 values ('');
handler t1 open;
ERROR 42000: Not unique table/alias: 't1'
use test;
handler test.t1 read first limit 9;
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 'read first limit 9' at line 1
handler test_test.t1 read first limit 9;
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 'read first limit 9' at line 1
handler t1 read first limit 9;
table_id
test_test.t1
handler test_test.t2 read first limit 9;
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 'read first limit 9' at line 1
handler t2 read first limit 9;
table_id
test_test.t2
handler test_test.t1 close;
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 'close' at line 1
handler t1 close;
drop table test_test.t1;
handler test_test.t2 close;
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 'close' at line 1
handler t2 close;
drop table test_test.t2;
drop database test_test;
use test;
handler test.t1 close;
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 'close' at line 1
handler t1 close;
ERROR 42S02: Unknown table 't1' in HANDLER
drop table test.t1;
drop database if exists test_test;
drop table if exists t1;
drop table if exists t2;
drop table if exists t3;
create database test_test;
use test_test;
create table t1 (c1 char(20));
insert into t1 values ('test_test.t1');
create table t3 (c1 char(20));
insert into t3 values ('test_test.t3');
handler t1 open;
handler t1 read first limit 9;
c1
test_test.t1
handler t1 open h1;
handler h1 read first limit 9;
c1
test_test.t1
use test;
create table t1 (c1 char(20));
create table t2 (c1 char(20));
create table t3 (c1 char(20));
insert into t1 values ('t1');
insert into t2 values ('t2');
insert into t3 values ('t3');
handler t1 open;
ERROR 42000: Not unique table/alias: 't1'
handler t2 open t1;
ERROR 42000: Not unique table/alias: 't1'
handler t3 open t1;
ERROR 42000: Not unique table/alias: 't1'
handler t1 read first limit 9;
c1
test_test.t1
handler test.t1 close;
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 'close' at line 1
handler test.t1 open h1;
ERROR 42000: Not unique table/alias: 'h1'
handler test_test.t1 open h1;
ERROR 42000: Not unique table/alias: 'h1'
handler test_test.t3 open h3;
handler test.t1 open h2;
handler t1 read first limit 9;
c1
test_test.t1
handler h1 read first limit 9;
c1
test_test.t1
handler h2 read first limit 9;
c1
t1
handler h3 read first limit 9;
c1
test_test.t3
handler h2 read first limit 9;
c1
t1
handler test.h1 close;
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 'close' at line 1
handler t1 close;
handler h1 close;
handler h2 close;
handler t1 read first limit 9;
ERROR 42S02: Unknown table 't1' in HANDLER
handler h1 read first limit 9;
ERROR 42S02: Unknown table 'h1' in HANDLER
handler h2 read first limit 9;
ERROR 42S02: Unknown table 'h2' in HANDLER
handler h3 read first limit 9;
c1
test_test.t3
handler h3 read first limit 9;
c1
test_test.t3
use test_test;
handler h3 read first limit 9;
c1
test_test.t3
handler test.h3 read first limit 9;
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 'read first limit 9' at line 1
handler h3 close;
use test;
drop table t3;
drop table t2;
drop table t1;
drop database test_test;
create table t1 (c1 char(20));
insert into t1 values ("t1");
handler t1 open as h1;
handler h1 read first limit 9;
c1
t1
create table t2 (c1 char(20));
insert into t2 values ("t2");
handler t2 open as h2;
handler h2 read first limit 9;
c1
t2
create table t3 (c1 char(20));
insert into t3 values ("t3");
handler t3 open as h3;
handler h3 read first limit 9;
c1
t3
create table t4 (c1 char(20));
insert into t4 values ("t4");
handler t4 open as h4;
handler h4 read first limit 9;
c1
t4
create table t5 (c1 char(20));
insert into t5 values ("t5");
handler t5 open as h5;
handler h5 read first limit 9;
c1
t5
alter table t1 engine=MyISAM;
handler h1 read first limit 9;
ERROR 42S02: Unknown table 'h1' in HANDLER
handler h2 read first limit 9;
c1
t2
handler h3 read first limit 9;
c1
t3
handler h4 read first limit 9;
c1
t4
handler h5 read first limit 9;
c1
t5
alter table t5 engine=MyISAM;
handler h1 read first limit 9;
ERROR 42S02: Unknown table 'h1' in HANDLER
handler h2 read first limit 9;
c1
t2
handler h3 read first limit 9;
c1
t3
handler h4 read first limit 9;
c1
t4
handler h5 read first limit 9;
ERROR 42S02: Unknown table 'h5' in HANDLER
alter table t3 engine=MyISAM;
handler h1 read first limit 9;
ERROR 42S02: Unknown table 'h1' in HANDLER
handler h2 read first limit 9;
c1
t2
handler h3 read first limit 9;
ERROR 42S02: Unknown table 'h3' in HANDLER
handler h4 read first limit 9;
c1
t4
handler h5 read first limit 9;
ERROR 42S02: Unknown table 'h5' in HANDLER
handler h2 close;
handler h4 close;
handler t1 open as h1_1;
handler t1 open as h1_2;
handler t1 open as h1_3;
handler h1_1 read first limit 9;
c1
t1
handler h1_2 read first limit 9;
c1
t1
handler h1_3 read first limit 9;
c1
t1
alter table t1 engine=MyISAM;
handler h1_1 read first limit 9;
ERROR 42S02: Unknown table 'h1_1' in HANDLER
handler h1_2 read first limit 9;
ERROR 42S02: Unknown table 'h1_2' in HANDLER
handler h1_3 read first limit 9;
ERROR 42S02: Unknown table 'h1_3' in HANDLER
drop table t1;
drop table t2;
drop table t3;
drop table t4;
drop table t5;
create table t1 (c1 int);
insert into t1 values (1);
handler t1 open;
handler t1 read first;
c1
1
send the below to another connection, do not wait for the result
optimize table t1;
proceed with the normal connection
handler t1 read next;
c1
1
handler t1 close;
read the result from the other connection
Table Op Msg_type Msg_text
test.t1 optimize status OK
proceed with the normal connection
drop table t1;
CREATE TABLE t1 ( no1 smallint(5) NOT NULL default '0', no2 int(10) NOT NULL default '0', PRIMARY KEY (no1,no2));
INSERT INTO t1 VALUES (1,274),(1,275),(2,6),(2,8),(4,1),(4,2);
HANDLER t1 OPEN;
HANDLER t1 READ `primary` = (1, 1000);
no1 no2
HANDLER t1 READ `primary` PREV;
no1 no2
1 275
DROP TABLE t1;
create table t1 (c1 int);
insert into t1 values (14397);
flush tables with read lock;
drop table t1;
ERROR HY000: Can't execute the query because you have a conflicting read lock
send the below to another connection, do not wait for the result
drop table t1;
proceed with the normal connection
select * from t1;
c1
14397
unlock tables;
read the result from the other connection
proceed with the normal connection
select * from t1;
ERROR 42S02: Table 'test.t1' doesn't exist
drop table if exists t1;
Warnings:
Note 1051 Unknown table 't1'
drop table if exists t1;
create table t1 (a int) ENGINE=MEMORY;
--> client 2
handler t1 open;
ERROR HY000: Table storage engine for 't1' doesn't have this option
--> client 1
drop table t1;
drop table if exists t1;
create table t1 (a int);
handler t1 open as t1_alias;
handler t1_alias read a next;
ERROR 42000: Key 'a' doesn't exist in table 't1_alias'
handler t1_alias READ a next where inexistent > 0;
ERROR 42S22: Unknown column 'inexistent' in 'field list'
handler t1_alias read a next;
ERROR 42000: Key 'a' doesn't exist in table 't1_alias'
handler t1_alias READ a next where inexistent > 0;
ERROR 42S22: Unknown column 'inexistent' in 'field list'
handler t1_alias close;
drop table t1;
drop table if exists t1,t2;
create table t1 (c1 int);
create table t2 (c1 int);
insert into t1 values (1);
insert into t2 values (2);
connection: default
handler t1 open;
handler t1 read first;
c1
1
connection: flush
flush tables;;
connection: default
handler t2 open;
handler t2 read first;
c1
2
handler t1 read next;
c1
1
handler t1 close;
handler t2 close;
drop table t1,t2;
drop table if exists t1,t2;
create table t1 (c1 int);
connection: default
handler t1 open;
handler t1 read first;
c1
connection: flush
rename table t1 to t2;;
connection: default
handler t2 open;
handler t2 read first;
c1
handler t1 read next;
ERROR 42S02: Table 'test.t1' doesn't exist
handler t1 close;
handler t2 close;
drop table t2;
drop table if exists t1;
create temporary table t1 (a int, b char(1), key a(a), key b(a,b));
insert into t1 values (0,"a"),(1,"b"),(2,"c"),(3,"d"),(4,"e"),
(5,"f"),(6,"g"),(7,"h"),(8,"i"),(9,"j");
select a,b from t1;
a b
0 a
1 b
2 c
3 d
4 e
5 f
6 g
7 h
8 i
9 j
handler t1 open as a1;
handler a1 read a first;
a b
0 a
handler a1 read a next;
a b
1 b
handler a1 read a next;
a b
2 c
select a,b from t1;
ERROR HY000: Can't reopen table: 'a1'
handler a1 read a prev;
a b
1 b
handler a1 read a prev;
a b
0 a
handler a1 read a=(6) where b="g";
a b
6 g
handler a1 close;
select a,b from t1;
a b
0 a
1 b
2 c
3 d
4 e
5 f
6 g
7 h
8 i
9 j
handler t1 open as a2;
handler a2 read a first;
a b
0 a
handler a2 read a last;
a b
9 j
handler a2 read a prev;
a b
8 i
handler a2 close;
drop table t1;
drop table if exists t1,t2;
create table t1 (a int);
handler t1 open as t1_alias;
drop table t1;
create table t1 (a int);
handler t1 open as t1_alias;
flush tables;
drop table t1;
create table t1 (a int);
handler t1 open as t1_alias;
handler t1_alias close;
drop table t1;
create table t1 (a int);
handler t1 open as t1_alias;
handler t1_alias read first;
a
drop table t1;
handler t1_alias read next;
ERROR 42S02: Unknown table 't1_alias' in HANDLER
create table t1 (a int);
create temporary table t2 (a int, key(a));
handler t1 open as a1;
handler t2 open as a2;
handler a2 read a first;
a
drop table t1, t2;
handler a2 read a next;
ERROR 42S02: Unknown table 'a2' in HANDLER
handler a1 close;
ERROR 42S02: Unknown table 'a1' in HANDLER
create table t1 (a int, key(a));
create table t2 like t1;
handler t1 open as a1;
handler t2 open as a2;
handler a1 read a first;
a
handler a2 read a first;
a
alter table t1 add b int;
handler a1 close;
ERROR 42S02: Unknown table 'a1' in HANDLER
handler a2 close;
drop table t1, t2;
create table t1 (a int, key(a));
handler t1 open as a1;
handler a1 read a first;
a
rename table t1 to t2;
handler a1 read a first;
ERROR 42S02: Unknown table 'a1' in HANDLER
drop table t2;
create table t1 (a int, key(a));
create table t2 like t1;
handler t1 open as a1;
handler t2 open as a2;
handler a1 read a first;
a
handler a2 read a first;
a
optimize table t1;
Table Op Msg_type Msg_text
test.t1 optimize status Table is already up to date
handler a1 close;
ERROR 42S02: Unknown table 'a1' in HANDLER
handler a2 close;
drop table t1, t2;
create table t1 (a int, b char(1), key a(a), key b(a,b));
insert into t1 values (0,"a"),(1,"b"),(2,"c"),(3,"d"),(4,"e"),
(5,"f"),(6,"g"),(7,"h"),(8,"i"),(9,"j");
handler t1 open;
handler t1 read a first;
a b
0 a
handler t1 read a next;
a b
1 b
flush tables;
handler t1 read a next;
a b
0 a
handler t1 read a next;
a b
1 b
flush tables with read lock;
handler t1 read a next;
a b
0 a
unlock tables;
drop table t1;
handler t1 read a next;
ERROR 42S02: Unknown table 't1' in HANDLER
drop table if exists t1;
create table t1 (a int);
insert into t1 values (1);
handler t1 open;
alter table t1 engine=memory;
handler t1 read a next;
ERROR HY000: Table storage engine for 't1' doesn't have this option
handler t1 close;
drop table t1;
USE information_schema;
HANDLER COLUMNS OPEN;
ERROR HY000: Incorrect usage of HANDLER OPEN and information_schema
USE test;
#
# BUG #46456: HANDLER OPEN + TRUNCATE + DROP (temporary) TABLE, crash
#
CREATE TABLE t1 AS SELECT 1 AS f1;
HANDLER t1 OPEN;
TRUNCATE t1;
HANDLER t1 READ FIRST;
ERROR 42S02: Unknown table 't1' in HANDLER
DROP TABLE t1;
CREATE TEMPORARY TABLE t1 AS SELECT 1 AS f1;
HANDLER t1 OPEN;
TRUNCATE t1;
HANDLER t1 READ FIRST;
ERROR 42S02: Unknown table 't1' in HANDLER
DROP TABLE t1;
#
# BUG#51877 - HANDLER interface causes invalid memory read
#
CREATE TABLE t1(a INT, KEY(a));
HANDLER t1 OPEN;
HANDLER t1 READ a FIRST;
a
INSERT INTO t1 VALUES(1);
HANDLER t1 READ a NEXT;
a
1
HANDLER t1 CLOSE;
DROP TABLE t1;
#
# Bug #54007: assert in ha_myisam::index_next , HANDLER
#
CREATE TABLE t1(a INT, b INT, PRIMARY KEY(a), KEY b(b), KEY ab(a, b));
HANDLER t1 OPEN;
HANDLER t1 READ FIRST;
a b
HANDLER t1 READ `PRIMARY` NEXT;
a b
HANDLER t1 READ ab NEXT;
a b
HANDLER t1 READ b NEXT;
a b
HANDLER t1 READ NEXT;
a b
HANDLER t1 CLOSE;
INSERT INTO t1 VALUES (2, 20), (1, 10), (4, 40), (3, 30);
HANDLER t1 OPEN;
HANDLER t1 READ FIRST;
a b
2 20
HANDLER t1 READ NEXT;
a b
1 10
HANDLER t1 READ `PRIMARY` NEXT;
a b
1 10
HANDLER t1 READ `PRIMARY` NEXT;
a b
2 20
HANDLER t1 READ ab NEXT;
a b
1 10
HANDLER t1 READ ab NEXT;
a b
2 20
HANDLER t1 READ b NEXT;
a b
1 10
HANDLER t1 READ b NEXT;
a b
2 20
HANDLER t1 READ b NEXT;
a b
3 30
HANDLER t1 READ b NEXT;
a b
4 40
HANDLER t1 READ b NEXT;
a b
HANDLER t1 READ NEXT;
a b
4 40
HANDLER t1 READ NEXT;
a b
3 30
HANDLER t1 READ NEXT;
a b
HANDLER t1 CLOSE;
HANDLER t1 OPEN;
HANDLER t1 READ FIRST;
a b
2 20
HANDLER t1 READ `PRIMARY` PREV;
a b
4 40
HANDLER t1 READ `PRIMARY` PREV;
a b
3 30
HANDLER t1 READ b PREV;
a b
4 40
HANDLER t1 READ b PREV;
a b
3 30
HANDLER t1 CLOSE;
HANDLER t1 OPEN;
HANDLER t1 READ FIRST;
a b
2 20
HANDLER t1 READ `PRIMARY` PREV LIMIT 3;
a b
4 40
3 30
2 20
HANDLER t1 READ b NEXT LIMIT 5;
a b
1 10
2 20
3 30
4 40
HANDLER t1 CLOSE;
DROP TABLE t1;
End of 5.1 tests
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