handler.result
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:10k
- drop table if exists t1;
- 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
- handler t2 read a last limit 3;
- a b
- 22 iii
- 21 hhh
- 20 ggg
- 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 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=MyISAM;
- 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;