From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Sat, 18 Dec 2010 00:27:01 +0000 (-0500)
Subject: this innocuous change allows sqlite to work with pypy.  sadly, pypy is twice as slow
X-Git-Tag: rel_0_7b1~150^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1b774516a89d9acd615c7c40eb0c16d8befc6014;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

this innocuous change allows sqlite to work with pypy.  sadly, pypy is twice as slow
even if i run the same test script four or five times to prime the jit.
---

diff --git a/lib/sqlalchemy/dialects/sqlite/base.py b/lib/sqlalchemy/dialects/sqlite/base.py
index a74ea0c3c9..707bc1630e 100644
--- a/lib/sqlalchemy/dialects/sqlite/base.py
+++ b/lib/sqlalchemy/dialects/sqlite/base.py
@@ -439,10 +439,10 @@ class SQLiteDialect(default.DefaultDialect):
         qtable = quote(table_name)
         cursor = _pragma_cursor(connection.execute("%stable_info(%s)" % (pragma, qtable)))
         row = cursor.fetchone()
-
+        
         # consume remaining rows, to work around
         # http://www.sqlite.org/cvstrac/tktview?tn=1884
-        while cursor.fetchone() is not None:
+        while not cursor.closed and cursor.fetchone() is not None:
             pass
 
         return (row is not None)