- initial sybase support checkin, [ticket:785]

1 files changed, 68 insertions, 0 deletions

diff --git a/lib/sqlalchemy/databases/mxODBC.py b/lib/sqlalchemy/databases/mxODBC.py
new file mode 100644
index 000000000..61649b9b3
--- /dev/null
+++ b/lib/sqlalchemy/databases/mxODBC.py
@@ -0,0 +1,68 @@
+# mxODBC.py
+# Copyright (C) 2007 Fisch Asset Management AG http://www.fam.ch
+# Coding: Alexander Houben alexander.houben@thor-solutions.ch
+#
+# This module is part of SQLAlchemy and is released under
+# the MIT License: http://www.opensource.org/licenses/mit-license.php
+
+'''
+A wrapper for a mx.ODBC.Windows DB-API connection.
+
+Makes sure the mx module is configured to return datetime objects instead of
+mx.DateTime.DateTime objects.
+'''
+
+from mx.ODBC.Windows import *
+
+
+
+'''
+Override the 'cursor' method.
+'''
+
+class Cursor:
+    
+    def __init__(self, cursor):
+        self.cursor = cursor
+        
+    def __getattr__(self, attr):
+        res = getattr(self.cursor, attr)
+        return res
+    
+    def execute(self, *args, **kwargs):
+        res = self.cursor.execute(*args, **kwargs)
+        return res
+
+class Connection:
+
+    def myErrorHandler(self, connection, cursor, errorclass, errorvalue):
+        err0, err1, err2, err3 = errorvalue
+        #print ", ".join(["Err%d: %s"%(x, errorvalue[x]) for x in range(4)])
+        if int(err1) == 109:
+            # Ignore "Null value eliminated in aggregate function", this is not an error
+            return
+        raise errorclass, errorvalue
+    
+    def __init__(self, conn):
+        self.conn = conn
+        # install a mx ODBC error handler
+        self.conn.errorhandler = self.myErrorHandler
+        
+    def __getattr__(self, attr):
+        res = getattr(self.conn, attr)
+        return res
+    
+    def cursor(self, *args, **kwargs):
+        res = Cursor(self.conn.cursor(*args, **kwargs))
+        return res
+    
+# override 'connect' call
+def connect(*args, **kwargs):
+        import mx.ODBC.Windows
+        conn = mx.ODBC.Windows.Connect(*args, **kwargs)
+        conn.datetimeformat = mx.ODBC.Windows.PYDATETIME_DATETIMEFORMAT
+        return Connection(conn)
+
+# override 'Connect' call
+def Connect(*args, **kwargs):
+        return self.connect(*args, **kwargs)