Add index to apt_instance_history to speed up slow query.

sql/database-create.sql

@@ -371,7 +371,8 @@ CREATE TABLE `apt_instance_history` (
   KEY `profile_id` (`profile_id`),
   KEY `creator` (`creator`),
   KEY `creator_idx` (`creator_idx`),
-  KEY `pid_idx` (`pid_idx`)
+  KEY `pid_idx` (`pid_idx`),
+  KEY `servername` (`uuid`,`servername`(32))
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
 
 --

sql/updates/4/649

+use strict;
+use libdb;
+
+sub DoUpdate($$$)
+{
+    my ($dbhandle, $dbname, $version) = @_;
+
+    if (!DBKeyExists("apt_instance_history", "servername")) {
+	DBQueryFatal("ALTER TABLE apt_instance_history " .
+		     "ADD KEY `servername` (`uuid`,`servername`(32))");
+    }
+    return 0;
+}
+
+1;
+
+# Local Variables:
+# mode:perl
+# End: