From 811ece13974504685e1e2add7c91b2b88d213322 Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Tue, 16 Mar 2010 22:38:18 +0000
Subject: - The except_() method now renders as MINUS on Oracle, which is more
 or less equivalent on that platform. [ticket:1712]

---
 lib/sqlalchemy/dialects/sqlite/base.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'lib/sqlalchemy/dialects/sqlite')

diff --git a/lib/sqlalchemy/dialects/sqlite/base.py b/lib/sqlalchemy/dialects/sqlite/base.py
index dfc09f025..37e63fbc1 100644
--- a/lib/sqlalchemy/dialects/sqlite/base.py
+++ b/lib/sqlalchemy/dialects/sqlite/base.py
@@ -191,8 +191,9 @@ ischema_names = {
 
 
 class SQLiteCompiler(compiler.SQLCompiler):
-    extract_map = compiler.SQLCompiler.extract_map.copy()
-    extract_map.update({
+    extract_map = util.update_copy(
+        compiler.SQLCompiler.extract_map,
+        {
         'month': '%m',
         'day': '%d',
         'year': '%Y',
-- 
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