database: fix PostgreSQL connection string
If all databases drivers are loaded, MySQL SQLAlchemy driver
overrides all the other one that might not have set one.
This patches fixes that.
Change-Id: If6d8d08e5b7b7c48ca012677b536d71058def6fd
Closes-Bug: #1493304
diff --git a/lib/databases/postgresql b/lib/databases/postgresql
index e087a1e..78c7bed 100644
--- a/lib/databases/postgresql
+++ b/lib/databases/postgresql
@@ -21,6 +21,10 @@
# Functions
# ---------
+function get_database_type_postgresql {
+ echo postgresql
+}
+
# Get rid of everything enough to cleanly change database backends
function cleanup_database_postgresql {
stop_service postgresql