Ensure to use psycopg3 is used while connecting to postgres DB when PGADMIN_CONFIG_CONFIG_DATABASE_URI is specified.

Author: yogeshmahajan-1903

web/pgadmin/utils/check_external_config_db.py

@@ -15,6 +15,9 @@ def check_external_config_db(database_uri):
     Check if external config database exists if it
     is being used.
     """
+    if database_uri.startswith("postgresql://") or database_uri.startswith(
+        "postgres://"):
+        database_uri = database_uri.replace("://", "+psycopg://", 1)
     engine = create_engine(database_uri)
     try:
         connection = engine.connect()