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A fix for Bug#54811 "Assert in mysql_lock_have_duplicate()".

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Remove mysql_lock_have_duplicate(), since now we always
have TABLE_LIST objects for MyISAMMRG children
in lex->query_tables and keep it till the end of the
statement (sub-statement).
This commit is contained in:
Konstantin Osipov
2010-06-29 18:01:33 +04:00
parent e79d41893a
commit 02599d659a
6 changed files with 288 additions and 128 deletions
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102
mysql-test/r/merge.result
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@@ -2718,4 +2718,106 @@ m2 CREATE TABLE `m2` (
`i` int(11) DEFAULT NULL
) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 INSERT_METHOD=FIRST UNION=(`t1`)
drop tables m1, m2, t1;
#
# Test case for Bug#54811 "Assert in mysql_lock_have_duplicate()"
# Check that unique_table() works correctly for merge tables.
#
drop table if exists t1, t2, t3, m1, m2;
create table t1 (a int);
create table t2 (a int);
create table t3 (b int);
create view v1 as select * from t3,t1;
create table m1 (a int) engine=merge union (t1, t2) insert_method=last;
create table m2 (a int) engine=merge union (t1, t2) insert_method=first;
create temporary table tmp (b int);
insert into tmp (b) values (1);
insert into t1 (a) values (1);
insert into t3 (b) values (1);
insert into m1 (a) values ((select max(a) from m1));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
insert into m1 (a) values ((select max(a) from m2));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
insert into m1 (a) values ((select max(a) from t1));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
insert into m1 (a) values ((select max(a) from t2));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
insert into m1 (a) values ((select max(a) from t3, m1));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
insert into m1 (a) values ((select max(a) from t3, m2));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
insert into m1 (a) values ((select max(a) from t3, t1));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
insert into m1 (a) values ((select max(a) from t3, t2));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
insert into m1 (a) values ((select max(a) from tmp, m1));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
insert into m1 (a) values ((select max(a) from tmp, m2));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
insert into m1 (a) values ((select max(a) from tmp, t1));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
insert into m1 (a) values ((select max(a) from tmp, t2));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
insert into m1 (a) values ((select max(a) from v1));
ERROR HY000: The definition of table 'v1' prevents operation INSERT on table 'm1'.
insert into m1 (a) values ((select max(a) from tmp, v1));
ERROR HY000: The definition of table 'v1' prevents operation INSERT on table 'm1'.
update m1 set a = ((select max(a) from m1));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
update m1 set a = ((select max(a) from m2));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
update m1 set a = ((select max(a) from t1));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
update m1 set a = ((select max(a) from t2));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
update m1 set a = ((select max(a) from t3, m1));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
update m1 set a = ((select max(a) from t3, m2));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
update m1 set a = ((select max(a) from t3, t1));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
update m1 set a = ((select max(a) from t3, t2));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
update m1 set a = ((select max(a) from tmp, m1));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
update m1 set a = ((select max(a) from tmp, m2));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
update m1 set a = ((select max(a) from tmp, t1));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
update m1 set a = ((select max(a) from tmp, t2));
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
update m1 set a = ((select max(a) from v1));
ERROR HY000: The definition of table 'v1' prevents operation UPDATE on table 'm1'.
update m1 set a = ((select max(a) from tmp, v1));
ERROR HY000: The definition of table 'v1' prevents operation UPDATE on table 'm1'.
delete from m1 where a = (select max(a) from m1);
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
delete from m1 where a = (select max(a) from m2);
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
delete from m1 where a = (select max(a) from t1);
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
delete from m1 where a = (select max(a) from t2);
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
delete from m1 where a = (select max(a) from t3, m1);
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
delete from m1 where a = (select max(a) from t3, m2);
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
delete from m1 where a = (select max(a) from t3, t1);
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
delete from m1 where a = (select max(a) from t3, t2);
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
delete from m1 where a = (select max(a) from tmp, m1);
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
delete from m1 where a = (select max(a) from tmp, m2);
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
delete from m1 where a = (select max(a) from tmp, t1);
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
delete from m1 where a = (select max(a) from tmp, t2);
ERROR HY000: You can't specify target table 'm1' for update in FROM clause
delete from m1 where a = (select max(a) from v1);
ERROR HY000: The definition of table 'v1' prevents operation DELETE on table 'm1'.
delete from m1 where a = (select max(a) from tmp, v1);
ERROR HY000: The definition of table 'v1' prevents operation DELETE on table 'm1'.
drop view v1;
drop temporary table tmp;
drop table t1, t2, t3, m1, m2;
End of 6.0 tests