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

Bug#8306 - TRUNCATE leads to index corruption

Browse Source 
Added a check, if the table, which we are going to create, is open.
This can happen if a MERGE mapped table is TRUNCATEd.


myisam/mi_open.c:
  Bug#8306 - TRUNCATE leads to index corruption
  Made test_if_reopen() globally available.
myisam/myisamdef.h:
  Bug#8306 - TRUNCATE leads to index corruption
  Declared test_if_reopen() as globally available.
mysql-test/r/myisam.result:
  Bug#8306 - TRUNCATE leads to index corruption
  The test result.
mysql-test/t/myisam.test:
  Bug#8306 - TRUNCATE leads to index corruption
  The test case.
This commit is contained in:
unknown
2005-03-02 10:35:00 +01:00
parent 22e0b300a4
commit 26f75ffc83
5 changed files with 61 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
mysql-test/t/myisam.test
View File

@ -524,3 +524,29 @@ explain select count(*) from t1 where a is null;
select count(*) from t1 where a is null;
drop table t1;
#
# Bug #8306: TRUNCATE leads to index corruption
#
create table t1 (c1 int, index(c1));
create table t2 (c1 int, index(c1)) engine=merge union=(t1);
insert into t1 values (1);
# Close all tables.
flush tables;
# Open t2 and (implicitly) t1.
select * from t2;
# Truncate after flush works (unless another threads reopens t2 in between).
flush tables;
truncate table t1;
insert into t1 values (1);
# Close all tables.
flush tables;
# Open t2 and (implicitly) t1.
select * from t2;
# Truncate t1, wich was not recognized as open without the bugfix.
# Now, it should fail with a table-in-use error message.
--error 1105
truncate table t1;
# The insert used to fail on the crashed table.
insert into t1 values (1);
drop table t1,t2;