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Merge with 4.0.14

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monty@mashka.mysql.fi
2003-08-11 22:44:43 +03:00
parent 1279f9b024 6e7a509d06
commit 2263e3e51f
363 changed files with 13819 additions and 2895 deletions
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18
mysql-test/t/select_safe.test
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@@ -15,7 +15,7 @@ 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,t1 as t4;
select 1 from t1,t1 as t2,t1 as t3;
# The following should give errors:
--error 1175
@@ -39,19 +39,31 @@ 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;
SELECT * from t1 order by a;
SET SQL_BIG_SELECTS=1;
SELECT * from t1;
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
#
SELECT @@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 * from t1,t1 as t2 where t1.b=t2.b;
set MAX_SEEKS_FOR_KEY=1;
explain select * from t1,t1 as t2 where t1.b=t2.b;
SET MAX_SEEKS_FOR_KEY=DEFAULT;
drop table t1;
SET SQL_SAFE_UPDATES=0,SQL_SELECT_LIMIT=DEFAULT, SQL_MAX_JOIN_SIZE=DEFAULT;