releasecountry support: update DB schema

lib/database/checkVersion

@@ -1,5 +1,5 @@
 #!/bin/bash
-currentdbversion=3
+currentdbversion=4
 checkDatabaseVersion() {
 	local dbversion
 	if dbversion=$(Select atom version <<<"\"1\" = 1")

lib/database/upgradedatabase_3_4

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+upgradedatabase_3_4() {
+        echo "Upgrading database to version 4... (backup is $database.bak_v3)"
+        cp "$database" "$database.bak_v3"
+        echo 'ALTER TABLE tags ADD COLUMN releasecountry TEXT;' >&3
+
+        Update atom version 4 <<<"1 = 1"
+}

share/schema.sql

@@ -58,6 +58,7 @@ CREATE TABLE IF NOT EXISTS tags (
 	title		TEXT,
 	composer	TEXT,
 	performer	TEXT,
+	releasecountry	TEXT,
 	depth		INTEGER,
 	rate		INTEGER,
 	channels	INTEGER,