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Bug#49501 Inefficient information_schema check (system collation)

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added check_length optimization for I_S_NAME comparison
This commit is contained in:
Sergey Glukhov
2010-01-19 13:03:40 +04:00
parent 22cff39274
commit baacdf1dae
9 changed files with 49 additions and 41 deletions
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4
sql/sql_view.cc
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@ -268,11 +268,11 @@ bool create_view_precheck(THD *thd, TABLE_LIST *tables, TABLE_LIST *view,
table (i.e. user will not get some privileges by view creation)
*/
if ((check_access(thd, CREATE_VIEW_ACL, view->db, &view->grant.privilege,
0, 0, is_schema_db(view->db)) ||
0, 0, is_schema_db(view->db, view->db_length)) ||
check_grant(thd, CREATE_VIEW_ACL, view, 0, 1, 0)) ||
(mode != VIEW_CREATE_NEW &&
(check_access(thd, DROP_ACL, view->db, &view->grant.privilege,
0, 0, is_schema_db(view->db)) ||
0, 0, is_schema_db(view->db, view->db_length)) ||
check_grant(thd, DROP_ACL, view, 0, 1, 0))))
goto err;