Fixed #8737 -- Made the PostgreSQL version number detection more flexible.

import re

VERSION_RE = re.compile(r'PostgreSQL (\d+)\.(\d+)\.')

# This reg-exp is intentionally fairly flexible here. Require only the major

# and minor version numbers, but need to be able to handle standard stuff like:

#   PostgreSQL 8.3.6

#   EnterpriseDB 8.3

#   PostgreSQL 8.3 beta4

VERSION_RE = re.compile(r'\S+ (\d+)\.(\d+)')

def get_version(cursor):

    """