diff options
Diffstat (limited to 'mysql-test/suite/pbxt/r/select_safe.result')
| -rw-r--r-- | mysql-test/suite/pbxt/r/select_safe.result | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/mysql-test/suite/pbxt/r/select_safe.result b/mysql-test/suite/pbxt/r/select_safe.result new file mode 100644 index 00000000000..468eb6cc5a9 --- /dev/null +++ b/mysql-test/suite/pbxt/r/select_safe.result @@ -0,0 +1,96 @@ +drop table if exists t1; +SET SQL_SAFE_UPDATES=1,SQL_SELECT_LIMIT=4, SQL_MAX_JOIN_SIZE=9; +create table t1 (a int auto_increment 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 order by a; +a b +1 test +2 test2 +update t1 set b="a" where a=1; +analyze table t1; +Table Op Msg_type Msg_text +test.t1 analyze status OK +select 1 from t1,t1 as t2,t1 as t3; +1 +1 +1 +1 +1 +update t1 set b="a"; +ERROR HY000: 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"; +ERROR HY000: You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column +delete from t1; +ERROR HY000: 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"; +ERROR HY000: 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; +ERROR HY000: 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; +ERROR 42000: The SELECT would examine more than MAX_JOIN_SIZE rows; check your WHERE and use SET SQL_BIG_SELECTS=1 or SET SQL_MAX_JOIN_SIZE=# if the SELECT is okay +update t1 set b="a" order by a limit 1; +update t1 set b="a" where b="b" order by a limit 2; +delete from t1 where b="test" order by a limit 1; +delete from t1 where a+0=1 order by a limit 2; +alter table t1 add key b (b); +SET MAX_JOIN_SIZE=2; +SELECT @@MAX_JOIN_SIZE, @@SQL_BIG_SELECTS; +@@MAX_JOIN_SIZE @@SQL_BIG_SELECTS +2 0 +insert into t1 values (null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"); +SELECT * from t1 order by a; +ERROR 42000: The SELECT would examine more than MAX_JOIN_SIZE rows; check your WHERE and use SET SQL_BIG_SELECTS=1 or SET SQL_MAX_JOIN_SIZE=# if the SELECT is okay +SET SQL_BIG_SELECTS=1; +SELECT * from t1 order by a; +a b +2 test2 +3 a +4 a +5 a +SET MAX_JOIN_SIZE=2; +SELECT * from t1; +ERROR 42000: The SELECT would examine more than MAX_JOIN_SIZE rows; check your WHERE and use SET SQL_BIG_SELECTS=1 or SET SQL_MAX_JOIN_SIZE=# if the SELECT is okay +SET MAX_JOIN_SIZE=DEFAULT; +SELECT * from t1; +a b +2 test2 +3 a +4 a +5 a +analyze table t1; +Table Op Msg_type Msg_text +test.t1 analyze status OK +insert into t1 values (null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"); +explain select STRAIGHT_JOIN * from t1,t1 as t2 where t1.b=t2.b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL b NULL NULL NULL 21 +1 SIMPLE t2 ref b b 21 test.t1.b 2 Using where +set MAX_SEEKS_FOR_KEY=1; +explain select STRAIGHT_JOIN * from t1,t1 as t2 where t1.b=t2.b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL b NULL NULL NULL 21 +1 SIMPLE t2 ref b b 21 test.t1.b 2 Using where +SET MAX_SEEKS_FOR_KEY=DEFAULT; +drop table t1; +create table t1 (a int); +insert into t1 values (1),(2),(3),(4),(5); +insert into t1 select * from t1; +insert into t1 select * from t1; +insert into t1 select * from t1; +set local max_join_size=8; +select * from (select * from t1) x; +ERROR 42000: The SELECT would examine more than MAX_JOIN_SIZE rows; check your WHERE and use SET SQL_BIG_SELECTS=1 or SET SQL_MAX_JOIN_SIZE=# if the SELECT is okay +set local max_join_size=1; +select * from (select a.a as aa, b.a as ba from t1 a, t1 b) x; +ERROR 42000: The SELECT would examine more than MAX_JOIN_SIZE rows; check your WHERE and use SET SQL_BIG_SELECTS=1 or SET SQL_MAX_JOIN_SIZE=# if the SELECT is okay +set local max_join_size=1; +select * from (select 1 union select 2 union select 3) x; +ERROR 42000: The SELECT would examine more than MAX_JOIN_SIZE rows; check your WHERE and use SET SQL_BIG_SELECTS=1 or SET SQL_MAX_JOIN_SIZE=# if the SELECT is okay +drop table t1; +SET SQL_SAFE_UPDATES=0,SQL_SELECT_LIMIT=DEFAULT, SQL_MAX_JOIN_SIZE=DEFAULT; |