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Code Activity

BUG#4286 - HANDLER tables are closed by FLUSH TABLE(S).

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BUG#4335 - one name can be handler open'ed many times.
Reworked the HANDLER functions and interface.
Using a HASH to store information on open tables that
survives FLUSH TABLE.
HANDLER tables alias names must now be unique, though it
is allowed in 4.0 to qualify them with the database name
of the base table.
This commit is contained in:
ingo@mysql.com
2004-09-24 18:39:25 +02:00
parent 38f462ae6f
commit e47decfa7f
10 changed files with 999 additions and 317 deletions
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101
mysql-test/r/flush_table.result
View File

@ -7,58 +7,6 @@ check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
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;
handler t1 read first limit 9;
table_id
test.t1
use test;
handler test.t1 read first limit 9;
table_id
test.t1
handler test.t2 read first limit 9;
Unknown table 't2' in HANDLER
handler test_test.t1 read first limit 9;
table_id
test_test.t1
handler test_test.t2 read first limit 9;
table_id
test_test.t2
handler test_test.t1 close;
drop table test_test.t1;
handler test_test.t2 close;
drop table test_test.t2;
drop database test_test;
use test;
handler test.t1 close;
drop table test.t1;
drop table if exists t1;
drop table if exists t2;
create table t1(table_id char(20) primary key);
@ -84,14 +32,23 @@ test.t2
flush tables;
handler a1 read first limit 9;
Unknown table 'a1' in HANDLER
table_id
test.t1
handler a2 read first limit 9;
Unknown table 'a2' in HANDLER
table_id
test.t1
handler t2 read first limit 9;
Unknown table 't2' in HANDLER
table_id
test.t2
handler t1 open as a1;
Not unique table/alias: 'a1'
handler t1 open as a2;
Not unique table/alias: 'a2'
handler t2 open;
Not unique table/alias: 't2'
handler a1 read first limit 9;
table_id
test.t1
@ -106,15 +63,43 @@ test.t2
flush table t1;
handler a1 read first limit 9;
Unknown table 'a1' in HANDLER
table_id
test.t1
handler a2 read first limit 9;
Unknown table 'a2' in HANDLER
table_id
test.t1
handler t2 read first limit 9;
table_id
test.t2
flush table t2;
handler t2 close;
Unknown table 't2' in HANDLER
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;