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merge

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This commit is contained in:
tulin@dl145c.mysql.com
2005-05-17 10:17:53 +02:00
parent f390bfe4c2 be4920cd81
commit 23f79bd1f2
155 changed files with 2990 additions and 991 deletions
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14
sql/sql_update.cc
View File

@ -139,7 +139,7 @@ int mysql_update(THD *thd,
if (open_tables(thd, &table_list, &table_count))
DBUG_RETURN(1);
if (table_list->ancestor && table_list->ancestor->next_local)
if (table_list->multitable_view)
{
DBUG_ASSERT(table_list->view != 0);
DBUG_PRINT("info", ("Switch to multi-update"));
@ -807,9 +807,11 @@ bool mysql_multi_update_prepare(THD *thd)
if (!tl->placeholder() && !tl->schema_table && !using_lock_tables)
tl->table->reginfo.lock_type= tl->lock_type;
}
}
for(tl= table_list; tl; tl= tl->next_local)
{
/* Check access privileges for table */
if (!tl->derived && !tl->belong_to_view)
if (!tl->derived)
{
uint want_privilege= tl->updating ? UPDATE_ACL : SELECT_ACL;
if (check_access(thd, want_privilege,
@ -822,12 +824,10 @@ bool mysql_multi_update_prepare(THD *thd)
/* check single table update for view compound from several tables */
for (tl= table_list; tl; tl= tl->next_local)
{
if (tl->table == 0)
if (tl->effective_algorithm == VIEW_ALGORITHM_MERGE)
{
DBUG_ASSERT(tl->view &&
tl->ancestor && tl->ancestor->next_local);
TABLE_LIST *for_update= 0;
if (tl->check_single_table(&for_update, tables_for_update))
if (tl->check_single_table(&for_update, tables_for_update, tl))
{
my_error(ER_VIEW_MULTIUPDATE, MYF(0),
tl->view_db.str, tl->view_name.str);