# File lib/heroku/command/pg.rb, line 224 def extract_db(opts={}) db_id = extract_option("--db") (name, database) = resolve_db_id(db_id, :default => 'DATABASE_URL') # get DATABASE_URL first return name, database if opts[:include_shared] || name.match("HEROKU_POSTGRESQL") (name, database) = resolve_db_id(db_id, :default => heroku_postgresql_var_names.first) # get any HEROKU_POSTGRESQL_*_URL next return name, database if name.match("HEROKU_POSTGRESQL") end