diff options
Diffstat (limited to 'lib/sqlalchemy/sql/expression.py')
-rw-r--r-- | lib/sqlalchemy/sql/expression.py | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/lib/sqlalchemy/sql/expression.py b/lib/sqlalchemy/sql/expression.py index a3a25f573..f4611de6d 100644 --- a/lib/sqlalchemy/sql/expression.py +++ b/lib/sqlalchemy/sql/expression.py @@ -3088,14 +3088,12 @@ class Select(_SelectBaseMixin, FromClause): for f in froms: froms.difference_update(f._hide_froms) - if len(froms) > 1: + if len(froms) > 1 or self.__correlate: if self.__correlate: froms.difference_update(self.__correlate) if self._should_correlate and existing_froms is not None: froms.difference_update(existing_froms) - if not froms: - raise exceptions.InvalidRequestError("Select statement '%s' is overcorrelated; returned no 'from' clauses" % str(self.__dont_correlate())) return froms froms = property(_get_display_froms, doc="""Return a list of all FromClause elements which will be applied to the FROM clause of the resulting statement.""") |