OpenSQLX function returns a sqlx.DB connection.

PGInfo preloads all database meta table and column names sorted, into a map[string][]string where key is table_name and values are column names used in meta.columns object banners | city_id banners | created_at banners | id banners | img banners | is_disabled banners | sort banners | thumb banners | updated_at banners | url banners | vendor_id cart_items | cart_id cart_items | item_id cart_items | quantity.