app/django/db/backends/postgresql/version.py
author Pawel Solyga <Pawel.Solyga@gmail.com>
Tue, 14 Oct 2008 16:00:59 +0000
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"""
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Extracts the version of the PostgreSQL server.
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"""
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import re
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VERSION_RE = re.compile(r'PostgreSQL (\d+)\.(\d+)\.')
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def get_version(cursor):
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    """
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    Returns a tuple representing the major and minor version number of the
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    server. For example, (7, 4) or (8, 3).
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    """
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    cursor.execute("SELECT version()")
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    version = cursor.fetchone()[0]
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    major, minor = VERSION_RE.search(version).groups()
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    return int(major), int(minor)
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