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Bug fix for multi-table delete with test case and manual entry

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unknown 2002-06-04 20:34:13 +03:00
parent 12ee8a3ef6
commit 945c46e6d2
4 changed files with 24 additions and 5 deletions
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2
Docs/manual.texi
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@ -49343,6 +49343,8 @@ Our TODO section contains what we plan to have in 4.0. @xref{TODO MySQL 4.0}.
@itemize @bullet
@item
Fixed bug in multi-table @code{DELETE} when optimiser uses only indices
@item
Fixed that @code{ALTER TABLE table_name RENAME new_table_name} is as fast
as @code{RENAME TABLE}.
@item

4
mysql-test/r/multi_update.result
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@ -66,3 +66,7 @@ select count(*) from t3 where id3;
count(*)
0
drop table t1,t2,t3;
create table t1(id1 int not null auto_increment primary key, t varchar(100));
create table t2(id2 int not null, t varchar(100), index(id2));
delete t1, t2 from t2,t1 where t1.id1 = t2.id2 and t1.id1 > 100;
drop table t1,t2;

18
mysql-test/t/multi_update.test
View File

@ -62,3 +62,21 @@ select count(*) from t2 where id2;
select count(*) from t3 where id3;
drop table t1,t2,t3;
create table t1(id1 int not null auto_increment primary key, t varchar(100));
create table t2(id2 int not null, t varchar(100), index(id2));
disable_query_log;
let $1 = 1000;
while ($1)
{
let $2 = 5;
eval insert into t1(t) values ('aaaaaaaaaaaaaaaaaaaa');
while ($2)
{
eval insert into t2(id2,t) values ($1,'bbbbbbbbbbbbbbbbb');
dec $2;
}
dec $1;
}
enable_query_log;
delete t1, t2 from t2,t1 where t1.id1 = t2.id2 and t1.id1 > 100;
drop table t1,t2;

5
sql/sql_parse.cc
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@ -1963,11 +1963,6 @@ mysql_execute_command(void)
(void)add_item_to_list(new Item_field(auxi->db,auxi->real_name,"*"));
}
tables->grant.want_privilege=(SELECT_ACL & ~tables->grant.privilege);
if (add_item_to_list(new Item_null()))
{
res= -1;
break;
}
thd->proc_info="init";
if ((res=open_and_lock_tables(thd,tables)))
break;