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Bug#7011

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Fix replication for multi-update
  new test - rpl_multi_update2
This commit is contained in:
acurtis@pcgem.rdg.cyberkinetica.com
2005-01-30 10:24:03 +00:00
parent f003fb1f9c
commit 500fbf5c0f
6 changed files with 192 additions and 19 deletions
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51
sql/sql_update.cc
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@ -403,26 +403,20 @@ static table_map get_table_map(List<Item> *items)
}
/*
Setup multi-update handling and call SELECT to do the join
Prepare tables for multi-update
Analyse which tables need specific privileges and perform locking
as required
*/
int mysql_multi_update(THD *thd,
TABLE_LIST *table_list,
List<Item> *fields,
List<Item> *values,
COND *conds,
ulong options,
enum enum_duplicates handle_duplicates)
int mysql_multi_update_lock(THD *thd,
TABLE_LIST *table_list,
List<Item> *fields)
{
int res;
multi_update *result;
TABLE_LIST *tl;
const bool using_lock_tables= thd->locked_tables != 0;
DBUG_ENTER("mysql_multi_update");
thd->select_limit= HA_POS_ERROR;
DBUG_ENTER("mysql_multi_update_lock");
for (;;)
{
@ -490,7 +484,7 @@ int mysql_multi_update(THD *thd,
(grant_option && check_grant(thd, wants, tl, 0, 0)))
{
tl->next= save;
DBUG_RETURN(0);
DBUG_RETURN(1);
}
tl->next= save;
}
@ -498,11 +492,7 @@ int mysql_multi_update(THD *thd,
/* Relock the tables with the correct modes */
res= lock_tables(thd,table_list);
if (using_lock_tables)
{
if (res)
DBUG_RETURN(res);
break; // Don't have to do setup_field()
}
/*
We must setup fields again as the file may have been reopened
@ -535,6 +525,31 @@ int mysql_multi_update(THD *thd,
*/
close_thread_tables(thd);
}
DBUG_RETURN(res);
}
/*
Setup multi-update handling and call SELECT to do the join
*/
int mysql_multi_update(THD *thd,
TABLE_LIST *table_list,
List<Item> *fields,
List<Item> *values,
COND *conds,
ulong options,
enum enum_duplicates handle_duplicates)
{
int res;
TABLE_LIST *tl;
multi_update *result;
DBUG_ENTER("mysql_multi_update");
thd->select_limit= HA_POS_ERROR;
if ((res= mysql_multi_update_lock(thd, table_list, fields)))
DBUG_RETURN(res);
/*
Count tables and setup timestamp handling