TT#19855 add voip_preference lock enum value 0

* backward compatibility to support existing 0 values
      of the 'lock' preference in voip_usr_preferences

Change-Id: I7c497e14695891d3b7a4ee018cf5429f79a0a485

db_scripts/diff/15349.down

@@ -0,0 +1,13 @@
+use provisioning;
+set autocommit=0;
+
+set @pid = 0;
+select id into @pid from voip_preferences where attribute = "lock";
+
+DELETE FROM voip_preferences_enum
+ WHERE preference_id = @pid
+   AND label = 'none'
+   AND value = 0
+   AND default_val = 0;
+
+commit;

db_scripts/diff/15349.up

@@ -0,0 +1,10 @@
+use provisioning;
+set autocommit=0;
+
+set @pid = 0;
+select id into @pid from voip_preferences where attribute = "lock";
+
+INSERT INTO voip_preferences_enum
+    (preference_id, label, value, default_val) VALUES (@pid, 'none', 0, 0);
+
+commit;