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 fur BUG#13348: "multi-table updates and deletes are not logged if no rows were affected".

Browse Source 
Not fixed in 4.1 as not critical. Also I'm correcting error checking of multi-UPDATE/DELETE
when it comes to binlogging, to make it consistent with when we rollback the statement.
This commit is contained in:
guilhem@mysql.com
2005-09-20 17:41:47 +02:00
parent ad53c58eb5
commit 388cf622ee
6 changed files with 88 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
sql/sql_delete.cc
View File

@ -258,19 +258,12 @@ cleanup:
delete select;
transactional_table= table->file->has_transactions();
/*
We write to the binary log even if we deleted no row, because maybe the
user is using this command to ensure that a table is clean on master *and
on slave*. Think of the case of a user having played separately with the
master's table and slave's table and wanting to take a fresh identical
start now.
error < 0 means "really no error". error <= 0 means "maybe some error".
*/
if ((deleted || (error < 0)) && (error <= 0 || !transactional_table))
/* See similar binlogging code in sql_update.cc, for comments */
if ((error < 0) || (deleted && !transactional_table))
{
if (mysql_bin_log.is_open())
{
if (error <= 0)
if (error < 0)
thd->clear_error();
Query_log_event qinfo(thd, thd->query, thd->query_length,
transactional_table, FALSE);
@ -718,6 +711,9 @@ bool multi_delete::send_eof()
/* Does deletes for the last n - 1 tables, returns 0 if ok */
int local_error= do_deletes(); // returns 0 if success
/* compute a total error to know if something failed */
local_error= local_error || error;
/* reset used flags */
thd->proc_info="end";
@ -730,19 +726,11 @@ bool multi_delete::send_eof()
query_cache_invalidate3(thd, delete_tables, 1);
}
/*
Write the SQL statement to the binlog if we deleted
rows and we succeeded, or also in an error case when there
was a non-transaction-safe table involved, since
modifications in it cannot be rolled back.
Note that if we deleted nothing we don't write to the binlog (TODO:
fix this).
*/
if (deleted && ((error <= 0 && !local_error) || normal_tables))
if ((local_error == 0) || (deleted && normal_tables))
{
if (mysql_bin_log.is_open())
{
if (error <= 0 && !local_error)
if (local_error == 0)
thd->clear_error();
Query_log_event qinfo(thd, thd->query, thd->query_length,
transactional_tables, FALSE);