Make it possible to retrieve all properties in toDict
We used to retrieve only the properties that are specified in the
self.properties() dictionary, instead, we now iterate over the
key_fields and only use self.properties() if those are not specified.
Patch by: Sverre Rabbelier
"""
Extracts the version of the PostgreSQL server.
"""
import re
VERSION_RE = re.compile(r'PostgreSQL (\d+)\.(\d+)\.')
def get_version(cursor):
"""
Returns a tuple representing the major and minor version number of the
server. For example, (7, 4) or (8, 3).
"""
cursor.execute("SELECT version()")
version = cursor.fetchone()[0]
major, minor = VERSION_RE.search(version).groups()
return int(major), int(minor)