diff options
Diffstat (limited to 'mysql-test/r/select_safe.result')
| -rw-r--r-- | mysql-test/r/select_safe.result | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/mysql-test/r/select_safe.result b/mysql-test/r/select_safe.result index 1111ba00cd9..e225a0e3995 100644 --- a/mysql-test/r/select_safe.result +++ b/mysql-test/r/select_safe.result @@ -1,10 +1,39 @@ +drop table if exists t1; +SET SQL_SAFE_UPDATES=1,SQL_SELECT_LIMIT=4, SQL_MAX_JOIN_SIZE=9; +create table t1 (a int primary key, b char(20)); +insert into t1 values(1,"test"); +SELECT SQL_BUFFER_RESULT * from t1; a b 1 test +update t1 set b="a" where a=1; +delete from t1 where a=1; +insert into t1 values(1,"test"),(2,"test2"); +SELECT SQL_BUFFER_RESULT * from t1; a b 1 test 2 test2 +update t1 set b="a" where a=1; +select 1 from t1,t1 as t2,t1 as t3,t1 as t4; 1 1 1 1 1 +update t1 set b="a"; +You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column +update t1 set b="a" where b="test"; +You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column +delete from t1; +You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column +delete from t1 where b="test"; +You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column +delete from t1 where a+0=1; +You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column +select 1 from t1,t1 as t2,t1 as t3,t1 as t4,t1 as t5; +The SELECT would examine too many records and probably take a very long time. Check your WHERE and use SET OPTION SQL_BIG_SELECTS=1 if the SELECT is ok +update t1 set b="a" limit 1; +update t1 set b="a" where b="b" limit 2; +delete from t1 where b="test" limit 1; +delete from t1 where a+0=1 limit 2; +drop table t1; +SET SQL_SAFE_UPDATES=0,SQL_SELECT_LIMIT=DEFAULT, SQL_MAX_JOIN_SIZE=DEFAULT; |