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Current File : /home/usr.opt/mysql57/mysql-test/t/select_safe.test |
# The include statement below is a temp one for tests that are yet to #be ported to run with InnoDB, #but needs to be kept for tests that would need MyISAM in future. --source include/force_myisam_default.inc # # test of safe selects # --disable_warnings drop table if exists t1; --enable_warnings 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; 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; update t1 set b="a" where a=1; select 1 from t1,t1 as t2,t1 as t3; # The following should give errors: --error 1175 update t1 set b="a"; --error 1175 update t1 set b="a" where b="test"; --error 1175 delete from t1; --error 1175 delete from t1 where b="test"; --error 1175 delete from t1 where a+0=1; --error 1104 select 1 from t1,t1 as t2,t1 as t3,t1 as t4,t1 as t5; # The following should be 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; # Test SQL_BIG_SELECTS alter table t1 add key b (b); SET MAX_JOIN_SIZE=2; SELECT @@MAX_JOIN_SIZE, @@SQL_BIG_SELECTS; insert into t1 values (null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"),(null,"a"); --error 1104 SELECT * from t1 order by a; SET SQL_BIG_SELECTS=1; SELECT * from t1 order by a; SET MAX_JOIN_SIZE=2; --error 1104 SELECT * from t1; SET MAX_JOIN_SIZE=DEFAULT; SELECT * from t1; # # Test MAX_SEEKS_FOR_KEY # analyze table t1; 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; set MAX_SEEKS_FOR_KEY=1; explain select STRAIGHT_JOIN * from t1,t1 as t2 where t1.b=t2.b; SET MAX_SEEKS_FOR_KEY=DEFAULT; drop table t1; # BUG#8726 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; --error 1104 select * from (select * from t1) x; set local max_join_size=1; --error 1104 select * from (select a.a as aa, b.a as ba from t1 a, t1 b) x; set local max_join_size=1; --error 1104 select * from (select 1 union select 2 union select 3) x; drop table t1; SET SQL_SAFE_UPDATES=0,SQL_SELECT_LIMIT=DEFAULT, MAX_JOIN_SIZE=DEFAULT; # End of 4.1 tests --echo # --echo # Bug #28145710: SQL_SAFE_UPDATES ERROR IS INSUFFICIENTLY INFORMATIVE --echo # CREATE TABLE t1 (c1 INT NOT NULL, c2 VARCHAR(200) NOT NULL, UNIQUE KEY idx1 (c1), UNIQUE KEY idx2 (c2)); CREATE TABLE t2 (c1 INT NOT NULL, c2 VARCHAR(200) NOT NULL, UNIQUE KEY idx1 (c1)); INSERT INTO t1 VALUES (1, 'a'), (2, 'b'), (3, 'c'), (4, 'd'); INSERT INTO t2 VALUES (11, 'a'), (12, 'b'), (3, 'c'), (14, 'd'); ANALYZE TABLE t1, t2; SET SESSION sql_safe_updates=1; SET RANGE_OPTIMIZER_MAX_MEM_SIZE= 1; #DELETE with range_optimizer_max_mem_size warning let query1= DELETE FROM t1 WHERE c1 IN (1,22); #UPDATE with range_optimizer_max_mem_size warning let query2= UPDATE t1 SET c1=20 WHERE c1 IN (1,22); #multi-table DELETE with conversion warning and target table uses table scan let query3= DELETE t1 FROM t1 JOIN t2 ON t1.c2 = t2.c1; #multi-table UPDATE with conversion warning and target table uses table scan let query4= UPDATE t1, t2 SET t1.c1=20 WHERE t1.c2 = t2.c1; #multi-table DELETE with target table uses eq_ref (no error) let query5= DELETE t2 FROM t1 JOIN t2 ON t1.c2 = t2.c1; #DELETE with conversion warning let query6= DELETE FROM t1 WHERE c2 IN(1,2222); #DELETE with conversion warning let query7= UPDATE t1 SET c1=20 WHERE c2 IN(1,2222); #DELETE with non-indexed column returns error let query8= DELETE FROM t2 WHERE c2 IN('a','e'); #DELETE full table and test with binlog disabled let query9= DELETE FROM t2; eval EXPLAIN $query1; --error ER_UPDATE_WITHOUT_KEY_IN_SAFE_MODE eval $query1; eval EXPLAIN $query2; --error ER_UPDATE_WITHOUT_KEY_IN_SAFE_MODE eval $query2; SET RANGE_OPTIMIZER_MAX_MEM_SIZE= default; eval EXPLAIN $query3; --error ER_UPDATE_WITHOUT_KEY_IN_SAFE_MODE eval $query3; eval EXPLAIN $query4; --error ER_UPDATE_WITHOUT_KEY_IN_SAFE_MODE eval $query4; eval EXPLAIN $query5; eval $query5; eval EXPLAIN $query6; --error ER_UPDATE_WITHOUT_KEY_IN_SAFE_MODE eval $query6; eval EXPLAIN $query7; --error ER_UPDATE_WITHOUT_KEY_IN_SAFE_MODE eval $query7; eval EXPLAIN $query8; --error ER_UPDATE_WITHOUT_KEY_IN_SAFE_MODE eval $query8; eval EXPLAIN $query9; --error ER_UPDATE_WITHOUT_KEY_IN_SAFE_MODE eval $query9; SET sql_log_bin= 0; --error ER_UPDATE_WITHOUT_KEY_IN_SAFE_MODE eval $query9; SET sql_log_bin= default; DROP TABLE t1, t2; SET SESSION sql_safe_updates=default;