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authorMike Bayer <mike_mp@zzzcomputing.com>2012-10-26 19:25:23 -0400
committerMike Bayer <mike_mp@zzzcomputing.com>2012-10-26 19:25:23 -0400
commitd68bf88fa9147591a245f23562154d9562e4b744 (patch)
tree609931e247dcff1b5f0012b31020afc190e8092b /lib/sqlalchemy/sql/expression.py
parent7f043a9666eecdecc54fe779ffdd50a7d5bb0086 (diff)
downloadsqlalchemy-d68bf88fa9147591a245f23562154d9562e4b744.tar.gz
- add class_ to AliasedInsp
- redefine inspect(Class.attrname).parent to be always an inspectable target; either Mapper or AliasedInsp - add most major features to 08 migration, document, link
Diffstat (limited to 'lib/sqlalchemy/sql/expression.py')
-rw-r--r--lib/sqlalchemy/sql/expression.py17
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/expression.py b/lib/sqlalchemy/sql/expression.py
index 1681b26f4..84fe9a82e 100644
--- a/lib/sqlalchemy/sql/expression.py
+++ b/lib/sqlalchemy/sql/expression.py
@@ -5535,6 +5535,12 @@ class Select(HasPrefixes, SelectBase):
If the fromclause is None, correlation is disabled for the returned
select().
+ .. seealso::
+
+ :meth:`.Select.correlate_except`
+
+ :ref:`correlated_subqueries`
+
"""
self._should_correlate = False
if fromclauses and fromclauses[0] is None:
@@ -5545,6 +5551,17 @@ class Select(HasPrefixes, SelectBase):
@_generative
def correlate_except(self, *fromclauses):
+ """"Return a new select() construct which will auto-correlate
+ on FROM clauses of enclosing selectables, except for those FROM
+ clauses specified here.
+
+ .. seealso::
+
+ :meth:`.Select.correlate`
+
+ :ref:`correlated_subqueries`
+
+ """
self._should_correlate = False
if fromclauses and fromclauses[0] is None:
self._correlate_except = ()