From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Sun, 19 Mar 2006 16:21:33 +0000 (+0000)
Subject: added distinct() function to column elements for "DISTINCT <col>"
X-Git-Tag: rel_0_1_5~50
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2f9bc2c338ce45b5d24cd0a795c4f801435fcbb4;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

added distinct() function to column elements for "DISTINCT <col>"
---

diff --git a/CHANGES b/CHANGES
index 8810b1db16..8995de9d33 100644
--- a/CHANGES
+++ b/CHANGES
@@ -3,6 +3,7 @@
 blown away if it hadnt been loaded
 - added unique_connection() method to engine, connection pool to return a connection
 that is not part of the thread-local context or any current transaction
+- added distinct() function to column elements so you can do func.count(mycol.distinct())
 
 0.1.4
 - create_engine() now uses genericized parameters; host/hostname, db/dbname/database, 
diff --git a/lib/sqlalchemy/sql.py b/lib/sqlalchemy/sql.py
index f78d4fa739..b88cf18cd0 100644
--- a/lib/sqlalchemy/sql.py
+++ b/lib/sqlalchemy/sql.py
@@ -490,6 +490,8 @@ class CompareMixin(object):
         return self._compare('LIKE', "%" + str(other))
     def label(self, name):
         return Label(name, self)
+    def distinct(self):
+        return CompoundClause(None,"DISTNCT", self)
     def op(self, operator):
         return lambda other: self._compare(operator, other)
     # and here come the math operators: