Used ALTER TABLE instead of rebuilding the table

db/patch7.sql

@@ -1,80 +1,10 @@
 -- You should not modify if this have pushed to Github, unless it does serious wrong with the db.
-PRAGMA foreign_keys = off;
-
 BEGIN TRANSACTION;
 
-create table monitor_dg_tmp (
-	id INTEGER not null primary key autoincrement,
-	name VARCHAR(150),
-	active BOOLEAN default 1 not null,
-	user_id INTEGER references user on update cascade on delete
-	set
-		null,
-		interval INTEGER default 20 not null,
-		url TEXT,
-		type VARCHAR(20),
-		weight INTEGER default 2000,
-		hostname VARCHAR(255),
-		port INTEGER,
-		created_date DATETIME default (DATETIME('now')) not null,
-		keyword VARCHAR(255),
-		maxretries INTEGER NOT NULL DEFAULT 0,
-		ignore_tls BOOLEAN default 0 not null,
-		upside_down BOOLEAN default 0 not null,
-    maxredirects INTEGER default 10 not null,
-    accepted_statuscodes_json TEXT default '["200-299"]' not null,
-    		dns_resolve_type VARCHAR(5),
-    		dns_resolve_server VARCHAR(255)
-);
+ALTER TABLE monitor
+	ADD dns_resolve_type VARCHAR(5);
 
-insert into
-	monitor_dg_tmp(
-		id,
-		name,
-		active,
-		user_id,
-		interval,
-		url,
-		type,
-		weight,
-		hostname,
-		port,
-    created_date,
-		keyword,
-		maxretries,
-		ignore_tls,
-		upside_down,
-		maxredirects,
-		accepted_statuscodes_json
-	)
-select
-	id,
-	name,
-	active,
-	user_id,
-	interval,
-	url,
-	type,
-	weight,
-	hostname,
-	port,
-  created_date,
-	keyword,
-	maxretries,
-	ignore_tls,
-	upside_down,
-	maxredirects,
-	accepted_statuscodes_json
-from
-	monitor;
-
-drop table monitor;
-
-alter table
-	monitor_dg_tmp rename to monitor;
-
-create index user_id on monitor (user_id);
+ALTER TABLE monitor
+	ADD dns_resolve_server VARCHAR(255);
 
 COMMIT;
-
-PRAGMA foreign_keys = on;