app/django/db/backends/postgresql/version.py
author Sverre Rabbelier <srabbelier@gmail.com>
Sun, 22 Mar 2009 14:51:37 +0000
changeset 1984 eb02fd5427c5
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Use getFromKeyFields instead of getForFields where possible Lookup by key_name is a lot faster than doing a query, so if possible the use of getFromKeyFields is preferred over getForFields. Patch by: Sverre Rabbelier
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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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