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caching of queries with isammerge tables forbiden using general way

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SQL_SELECT_LIMIT as default will be applied only for SELECT statement if there was not explicit LIMIT clause
correct table list passed to class constructor of select_update
This commit is contained in:
bell@sanja.is.com.ua
2004-05-05 21:21:41 +03:00
parent e9492cca05
commit c5c35c667e
11 changed files with 72 additions and 48 deletions
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12
mysql-test/t/union.test
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@ -504,3 +504,15 @@ select 1 union select 2;
(select 1) union (select 2) union (select 3) limit 2;
set sql_select_limit=default;
#
# ORDER with LIMIT
#
create table t1 (a int);
insert into t1 values (100), (1);
create table t2 (a int);
insert into t2 values (100);
select a from t1 union select a from t2 order by a;
SET SQL_SELECT_LIMIT=1;
select a from t1 union select a from t2 order by a;
drop table t1, t2;
set sql_select_limit=default;