Method _bake

lib/sqlalchemy/ext/baked.py:223–246

(self, session)

        return query.with_session(session)

    def _bake(self, session):
        query = self._as_query(session)
        query.session = None

        # in 1.4, this is where before_compile() event is
        # invoked
        statement = query._statement_20()

        # if the query is not safe to cache, we still do everything as though
        # we did cache it, since the receiver of _bake() assumes subqueryload
        # context was set up, etc.
        #
        # note also we want to cache the statement itself because this
        # allows the statement itself to hold onto its cache key that is
        # used by the Connection, which in itself is more expensive to
        # generate than what BakedQuery was able to provide in 1.3 and prior

        if statement._compile_options._bake_ok:
            self._bakery[self._effective_key(session)] = (
                query,
                statement,
            )

        return query, statement

    def to_query(self, query_or_session):
        """Return the :class:`_query.Query` object for use as a subquery.