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authormike bayer <mike_mp@zzzcomputing.com>2020-05-28 19:28:35 +0000
committerGerrit Code Review <gerrit@bbpush.zzzcomputing.com>2020-05-28 19:28:35 +0000
commit056bad48e2bc948a08621ab841fd882cb6934262 (patch)
tree2635059b149309c2ad7a648bfce13fd5844d8dc8 /lib/sqlalchemy/future/selectable.py
parentc07979e8d44a30fdf0ea73bc587aa05a52e9955a (diff)
parent77f1b7d236dba6b1c859bb428ef32d118ec372e6 (diff)
downloadsqlalchemy-056bad48e2bc948a08621ab841fd882cb6934262.tar.gz
Merge "callcount reductions and refinement for cached queries"
Diffstat (limited to 'lib/sqlalchemy/future/selectable.py')
-rw-r--r--lib/sqlalchemy/future/selectable.py9
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/sqlalchemy/future/selectable.py b/lib/sqlalchemy/future/selectable.py
index 58fced887..74cc13501 100644
--- a/lib/sqlalchemy/future/selectable.py
+++ b/lib/sqlalchemy/future/selectable.py
@@ -98,6 +98,15 @@ class Select(_LegacySelect):
]
return self.filter(*clauses)
+ @property
+ def column_descriptions(self):
+ """Return a 'column descriptions' structure which may be
+ plugin-specific.
+
+ """
+ meth = SelectState.get_plugin_class(self).get_column_descriptions
+ return meth(self)
+
@_generative
def join(self, target, onclause=None, isouter=False, full=False):
r"""Create a SQL JOIN against this :class:`_expresson.Select`