Refactored get_date_trunc_sql() to DatabaseOperations.date_trunc_sql(). Refs #5106

git-svn-id: http://code.djangoproject.com/svn/django/trunk@5952 bcc190cf-cafb-0310-a4f2-bffc1f526a37

1 files changed, 4 insertions, 5 deletions

diff --git a/django/db/backends/postgresql/base.py b/django/db/backends/postgresql/base.py
index fa659b60c0..5221ebf871 100644
--- a/django/db/backends/postgresql/base.py
+++ b/django/db/backends/postgresql/base.py
@@ -62,6 +62,10 @@ class DatabaseOperations(BaseDatabaseOperations):
         # http://www.postgresql.org/docs/8.0/static/functions-datetime.html#FUNCTIONS-DATETIME-EXTRACT
         return "EXTRACT('%s' FROM %s)" % (lookup_type, field_name)
 
+    def date_trunc_sql(self, lookup_type, field_name):
+        # http://www.postgresql.org/docs/8.0/static/functions-datetime.html#FUNCTIONS-DATETIME-TRUNC
+        return "DATE_TRUNC('%s', %s)" % (lookup_type, field_name)
+
 class DatabaseWrapper(BaseDatabaseWrapper):
     ops = DatabaseOperations()
 
@@ -124,11 +128,6 @@ def get_last_insert_id(cursor, table_name, pk_name):
     cursor.execute("SELECT CURRVAL('\"%s_%s_seq\"')" % (table_name, pk_name))
     return cursor.fetchone()[0]
 
-def get_date_trunc_sql(lookup_type, field_name):
-    # lookup_type is 'year', 'month', 'day'
-    # http://www.postgresql.org/docs/8.0/static/functions-datetime.html#FUNCTIONS-DATETIME-TRUNC
-    return "DATE_TRUNC('%s', %s)" % (lookup_type, field_name)
-
 def get_datetime_cast_sql():
     return None