Re: 2.0.10 crash in fetchone() in a DictCursor

Nathan <[email protected]>
Newsgroups gmane.comp.python.db.psycopg.devel
Message-ID <[email protected]>
On Thu, Apr 23, 2009 at 6:12 PM, Nathan <[email protected]> wrote:
> A script I've been using up through 2.0.8 no longer works in 2.0.10.
>
> Traceback (most recent call last):
>  File "/sm/script/diffscan.py", line 75, in ?
>    testlog1_dict = curs.fetchone()
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 53, in fetchone
>    self._build_index()
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 189, in _build_index
>    for item in self.description:
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 199, in __setitem__
>    if type(name) == type(0):
>  File "//usr/lib/python2.4/site-packages/psycopg2/extras.py", line
> 200, in __setitem__
>    name = self._column_mapping[name]
> IndexError: list index out of range
>
>
> Here's how I created the cursor:
>
> curs = db.cursor(cursor_factory = psycopg2.extras.RealDictCursor)
>
> What can I do to debug this?
>
> ~ Nathan
>

FYI, I downgraded to 2.0.9, and the script works fine.  So it appears
to be something between .9 and .10
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