indicated that test_empty_insert fails on mssql since pyodbc returns a -1 always for the result.rowcount.
indicated that test_empty_insert fails on mssql since pyodbc returns a -1 always for the result.rowcount.

git-svn-id: 655ff90ec95d1eeadb1ee4bb9db742a3c015d499@5152 8cd8332f-0806-0410-a4b6-96f4b9520244

obeattie/sqlalchemy,obeattie/sqlalchemy,obeattie/sqlalchemy