diff options
Diffstat (limited to 'lib/sqlalchemy/sql/util.py')
| -rw-r--r-- | lib/sqlalchemy/sql/util.py | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/util.py b/lib/sqlalchemy/sql/util.py index 77c3e45ec..ed0afef24 100644 --- a/lib/sqlalchemy/sql/util.py +++ b/lib/sqlalchemy/sql/util.py @@ -417,6 +417,17 @@ def _deep_deannotate(element): element = clone(element) return element +def _shallow_annotate(element, annotations): + """Annotate the given ClauseElement and copy its internals so that + internal objects refer to the new annotated object. + + Basically used to apply a "dont traverse" annotation to a + selectable, without digging throughout the whole + structure wasting time. + """ + element = element._annotate(annotations) + element._copy_internals() + return element def splice_joins(left, right, stop_on=None): if left is None: @@ -639,7 +650,7 @@ class ClauseAdapter(visitors.ReplacingCloningVisitor): """ def __init__(self, selectable, equivalents=None, include=None, exclude=None): - self.__traverse_options__ = {'column_collections':False, 'stop_on':[selectable]} + self.__traverse_options__ = {'stop_on':[selectable]} self.selectable = selectable self.include = include self.exclude = exclude |