database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

Fix for bug#51304: checksum table gives different results

Browse Source 
for same data when using bit fields

Problem: checksum for BIT fields may be computed incorrectly 
in some cases due to its storage peculiarity.

Fix: convert a BIT field to a string then calculate its checksum.
This commit is contained in:
Ramil Kalimullin
2010-02-28 21:29:19 +04:00
parent 51d54a7eca
commit c1de4070ca
3 changed files with 54 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
mysql-test/r/myisam.result
View File

@ -2339,4 +2339,21 @@ CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
DROP TABLE t1;
#
# Bug#51304: checksum table gives different results
# for same data when using bit fields
#
CREATE TABLE t1(a INT, b BIT(1));
INSERT INTO t1 VALUES(1, 0), (2, 1);
CREATE TABLE t2 SELECT * FROM t1;
CHECKSUM TABLE t1 EXTENDED;
Table Checksum
test.t1 3775188275
CHECKSUM TABLE t2 EXTENDED;
Table Checksum
test.t2 3775188275
CHECKSUM TABLE t3 EXTENDED;
Table Checksum
test.t3 3775188275
DROP TABLE t1, t2, t3;
End of 5.1 tests