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drop table if exists t1,t2;
create table t1 (a int not null auto_increment primary key);
insert into t1 values(0);
lock table t1 read;
flush table t1;
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
unlock tables;
lock table t1 read;
lock table t1 read;
flush table t1;
select * from t1;
a
1
unlock tables;
select * from t1;
a
1
unlock tables;
lock table t1 write;
lock table t1 read;
flush table t1;
select * from t1;
a
1
unlock tables;
unlock tables;
lock table t1 read;
lock table t1 write;
flush table t1;
select * from t1;
a
1
unlock tables;
unlock tables;
select * from t1;
a
1
drop table t1;
create table t1(table_id char(20) primary key);
create table t2(table_id char(20) primary key);
insert into t1 values ('test.t1');
insert into t1 values ('');
insert into t2 values ('test.t2');
insert into t2 values ('');
handler t1 open as a1;
handler t1 open as a2;
handler t2 open;
handler a1 read first limit 9;
table_id
test.t1
handler a2 read first limit 9;
table_id
test.t1
handler t2 read first limit 9;
table_id
test.t2
flush tables;
handler a1 read first limit 9;
table_id
test.t1
handler a2 read first limit 9;
table_id
test.t1
handler t2 read first limit 9;
table_id
test.t2
handler t1 open as a1;
ERROR 42000: Not unique table/alias: 'a1'
handler t1 open as a2;
ERROR 42000: Not unique table/alias: 'a2'
handler t2 open;
ERROR 42000: Not unique table/alias: 't2'
handler a1 read first limit 9;
table_id
test.t1
handler a2 read first limit 9;
table_id
test.t1
handler t2 read first limit 9;
table_id
test.t2
flush table t1;
handler a1 read first limit 9;
table_id
test.t1
handler a2 read first limit 9;
table_id
test.t1
handler t2 read first limit 9;
table_id
test.t2
flush table t2;
handler t2 close;
drop table t1;
drop table t2;
create table t1(table_id char(20) primary key);
insert into t1 values ('Record-01');
insert into t1 values ('Record-02');
insert into t1 values ('Record-03');
insert into t1 values ('Record-04');
insert into t1 values ('Record-05');
handler t1 open;
handler t1 read first limit 1;
table_id
Record-01
handler t1 read next limit 1;
table_id
Record-02
handler t1 read next limit 1;
table_id
Record-03
flush table t1;
handler t1 read next limit 1;
table_id
Record-01
handler t1 read next limit 1;
table_id
Record-02
handler t1 close;
drop table t1;
FLUSH TABLES WITH READ LOCK ;
FLUSH TABLES WITH READ LOCK ;
UNLOCK TABLES;