1 files changed, 0 insertions, 84 deletions
diff --git a/sqlplain/mssql_support.py b/sqlplain/mssql_support.py
deleted file mode 100644
index 67b461b..0000000
--- a/sqlplain/mssql_support.py
+++ /dev/null
@@ -1,84 +0,0 @@
-import sys
-import _mssql
-import pymssql as dbapi2
-from pymssql import OperationalError, pymssqlCursor as Cursor
-
-ISOLATION_LEVELS = (
-    None, 'READ UNCOMMITTED', 'READ COMMITTED', 'REPEATABLE READ',
-    'SERIALIZABLE')
-
-placeholder = '%s'
-
-## notice that retrieving the internal size does not work with pymssql
-CODEMAP = {
-    1: 'VARCHAR',
-    2: 'INTEGER',
-    3: 'FLOAT',
-    4: 'DATETIME',
-}
-
-class Connection(object):
-
-    def __init__(self, cnx, isolation_level=None):
-       assert isolation_level in ISOLATION_LEVELS, isolation_level
-       self._cnx = cnx
-       self.isolation_level = isolation_level
-       if isolation_level:
-           cnx.query("set transaction isolation level " + isolation_level)
-           try:
-               self._cnx.query("begin tran")
-               self._cnx.fetch_array()
-           except Exception, e:
-               raise OperationalError(e)
-
-    def cursor(self):
-        if self._cnx is None:
-            raise OperationalError("Closed connection")
-        cursor = Cursor(self._cnx)
-        if not hasattr(cursor, 'connection'): # for old versions of pymssql
-            cursor.connection = self
-        return cursor
-    
-    def close(self):
-        if self._cnx is None:
-            return # the connection was already closed
-        self._cnx.close()
-        self._cnx = None
-        
-    def commit(self):
-        if self._cnx is None:
-            raise OperationalError("Closed connection")
-        try:
-            self._cnx.query("commit tran")
-            self._cnx.fetch_array()
-            self._cnx.query("begin tran")
-            self._cnx.fetch_array()
-        except Exception, e:
-            raise OperationalError, "can't commit: %s" % e, sys.exc_info()[2]
-
-    def rollback(self):
-        if self._cnx is None:
-            raise OperationalError("Closed connection")
-        try:
-            self._cnx.query("rollback tran")
-            self._cnx.fetch_array()
-            self._cnx.query("begin tran")
-            self._cnx.fetch_array()
-        except Exception, e:
-            # XXX: sometimes the can't rollback message is wrong; a typical
-            # example is to try to create an already existing table with
-            # try: <create> except: <rollback>; SQL server performs an
-            # inner rollback, so that you should not call the second one
-            # the error here can be declassed to a Warning
-            raise OperationalError, "can't rollback: %s" % e, sys.exc_info()[2]
-
-def connect(params, isolation_level=None):
-    user, pwd, host, port, db = params
-    port = port or 1433
-    if sys.platform != 'win32': # on linux 
-        if '\\' in host: # strip the instance
-            host, instance = host.split('\\')
-        host = '%s:%s' % (host, port) # add the port
-    _conn = _mssql.connect(host, user, pwd)
-    _conn.select_db(db)
-    return Connection(_conn, isolation_level)