Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
M
mariadb
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
Analytics
Analytics
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Commits
Issue Boards
Open sidebar
Kirill Smelkov
mariadb
Commits
5768f4a3
Commit
5768f4a3
authored
Jun 27, 2003
by
unknown
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
Fixed testcase after last changes
parent
c2cb9b97
Changes
2
Hide whitespace changes
Inline
Side-by-side
Showing
2 changed files
with
12 additions
and
8 deletions
+12
-8
mysql-test/r/select_safe.result
mysql-test/r/select_safe.result
+8
-5
mysql-test/t/select_safe.test
mysql-test/t/select_safe.test
+4
-3
No files found.
mysql-test/r/select_safe.result
View file @
5768f4a3
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)
, key(b)
);
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
...
...
@@ -22,9 +22,11 @@ select 1 from t1,t1 as t2,t1 as t3;
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;
...
...
@@ -33,18 +35,19 @@ 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;
SELECT * from t1
order by a
;
The SELECT would examine more rows than MAX_JOIN_SIZE. Check your WHERE and use SET SQL_BIG_SELECTS=1 or SET SQL_MAX_JOIN_SIZE=# if the SELECT is ok
SET SQL_BIG_SELECTS=1;
SELECT * from t1;
SELECT * from t1
order by a
;
a b
3 a
2 test2
3 a
4 a
5 a
SET MAX_JOIN_SIZE=2;
...
...
@@ -53,8 +56,8 @@ The SELECT would examine more rows than MAX_JOIN_SIZE. Check your WHERE and use
SET MAX_JOIN_SIZE=DEFAULT;
SELECT * from t1;
a b
3 a
2 test2
3 a
4 a
5 a
SELECT @@MAX_SEEKS_FOR_KEY;
...
...
mysql-test/t/select_safe.test
View file @
5768f4a3
...
...
@@ -4,7 +4,7 @@
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
)
,
key
(
b
)
);
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
;
...
...
@@ -36,13 +36,14 @@ 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
;
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment