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fixed error handling in SET and DO operators (BUG#1484)

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bell@laptop.sanja.is.com.ua
2003-10-08 11:19:09 +03:00
parent 9b4018066e
commit 381b680868
4 changed files with 60 additions and 5 deletions
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7
mysql-test/r/subselect.result
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@@ -1439,3 +1439,10 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 Using temporary; Using filesort
drop table if exists t2, t3;
create table t1 (s1 int);
insert into t1 values (1);
insert into t1 values (2);
set sort_buffer_size = (select s1 from t1);
ERROR 21000: Subquery returns more than 1 row
do (select * from t1);
drop table t1;

14
mysql-test/t/subselect.test
View File

@@ -951,6 +951,7 @@ select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
explain select s1, s1 NOT IN (SELECT s1 FROM t2) from t1;
explain select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
drop table t1,t2;
#
# correct ALL optimisation
#
@@ -960,8 +961,21 @@ insert into t3 values (6),(7),(3);
select * from t3 where a >= all (select b from t2);
explain select * from t3 where a >= all (select b from t2);
#
# optimized static ALL/ANY with grouping
#
insert into t2 values (2,2), (2,1), (3,3), (3,1);
select * from t3 where a > all (select max(b) from t2 group by a);
explain select * from t3 where a > all (select max(b) from t2 group by a);
drop table if exists t2, t3;
#
# DO and SET with errors
#
create table t1 (s1 int);
insert into t1 values (1);
insert into t1 values (2);
-- error 1241
set sort_buffer_size = (select s1 from t1);
do (select * from t1);
drop table t1;