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-rw-r--r--mysql-test/main/select_safe.result95
1 files changed, 95 insertions, 0 deletions
diff --git a/mysql-test/main/select_safe.result b/mysql-test/main/select_safe.result
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+drop table if exists t1;
+SET SQL_SAFE_UPDATES=1,SQL_SELECT_LIMIT=4, 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;
+a b
+1 test
+2 test2
+update t1 set b="a" where a=1;
+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 MAX_JOIN_SIZE=# if the SELECT is okay
+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;
+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 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 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");
+insert into t1 values (null,"b"),(null,"b"),(null,"c"),(null,"c"),(null,"d"),(null,"d"),(null,"e"),(null,"e"),(null,"a"),(null,"e");
+insert into t1 values (null,"x"),(null,"x"),(null,"y"),(null,"y"),(null,"z"),(null,"z"),(null,"v"),(null,"v"),(null,"a"),(null,"v");
+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 41 Using where
+1 SIMPLE t2 ref b b 21 test.t1.b 6
+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 41 Using where
+1 SIMPLE t2 ref b b 21 test.t1.b 6
+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 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 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 MAX_JOIN_SIZE=# if the SELECT is okay
+drop table t1;
+SET SQL_SAFE_UPDATES=0,SQL_SELECT_LIMIT=DEFAULT, MAX_JOIN_SIZE=DEFAULT;