indexes for postgres

2003-04-27 09:54:03 +00:00
parent f5e82bc7f4
commit e209e0b09e
2 changed files with 10 additions and 0 deletions
@@ -121,6 +121,12 @@ function main_upgrade($oldversion=0) {
        }
    }

+    if ($oldversion < 2003042700) {
+        /// Changing to multiple indexes
+        execute_sql(" CREATE INDEX coursemoduleaction ON {$CFG->prefix}log (course,module,action) ");
+        execute_sql(" CREATE INDEX courseuserid ON {$CFG->prefix}log (course,userid) ");
+    }
+                                                            
    return $result;
 }
 ?>    
@@ -64,6 +64,10 @@ CREATE TABLE prefix_log (
   info varchar(255) NOT NULL default ''
 );

+CREATE INDEX coursemoduleaction ON prefix_log (course,module,action);
+
+CREATE INDEX courseuserid ON prefix_log (course,userid);
+
 CREATE TABLE prefix_log_display (
   module varchar(20) NOT NULL default '',
   action varchar(20) NOT NULL default '',