blob: ac1b45b8c6cee67947422a8f967314a51226eb66 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
#
# Test bugs in the MyISAM code with blobs
#
--disable_warnings
drop table if exists t1;
--enable_warnings
# Bug #2159 (Problem with update of blob to > 16M)
CREATE TABLE t1 (data LONGBLOB) ENGINE=myisam;
INSERT INTO t1 (data) VALUES (NULL);
UPDATE t1 set data=repeat('a',18*1024*1024);
select length(data) from t1;
delete from t1 where left(data,1)='a';
check table t1;
truncate table t1;
INSERT INTO t1 (data) VALUES (repeat('a',1*1024*1024));
INSERT INTO t1 (data) VALUES (repeat('b',16*1024*1024-1024));
delete from t1 where left(data,1)='b';
check table t1;
# now we have two blocks in the table, first is a 1M record and second is
# a 16M delete block.
UPDATE t1 set data=repeat('c',17*1024*1024);
check table t1;
delete from t1 where left(data,1)='c';
check table t1;
INSERT INTO t1 set data=repeat('a',18*1024*1024);
select length(data) from t1;
alter table t1 modify data blob;
select length(data) from t1;
drop table t1;
CREATE TABLE t1 (data BLOB) ENGINE=myisam;
INSERT INTO t1 (data) VALUES (NULL);
UPDATE t1 set data=repeat('a',18*1024*1024);
select length(data) from t1;
drop table t1;
# End of 4.1 tests
|