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This is a bug in python interface module,

Browse Source 
postgresql-7.3.3/src/interfaces/python/pg.py.

_quote() function fails due to integer overflow if input d is larger
than max integer.

In the case where the column type is "BIGINT", the input d may very well
be larger than max integer while its type, t, is labeled 'int'.
The conversion on line 19, return "%d" % int(d), will fail due to
"OverflowError: long int too large to convert to int".



Please describe a way to repeat the problem.   Please try to provide a
concise reproducible example, if at all possible:
----------------------------------------------------------------------

[1] create a table with a column type 'BIGINT'.
[2] use pg.DB.insert() to insert a value that is larger than max integer

If you know how this problem might be fixed, list the solution below:
---------------------------------------------------------------------

Just changing the conversion at line 19 of pg.py to long(d) instead of
int(d) should fix it. The following is a patch:

Chih-Hao Huang
This commit is contained in:
Bruce Momjian 2003-06-25 01:09:24 +00:00
parent dd23a882fa
commit 92798de02e
1 changed files with 1 additions and 1 deletions
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2
src/interfaces/python/pg.py
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@ -17,7 +17,7 @@ def _quote(d, t):
if t in ['int', 'seq']: if t in ['int', 'seq']:
if d == "": return "NULL" if d == "": return "NULL"
return "%d" % int(d) return "%d" % long(d)
if t == 'decimal': if t == 'decimal':
if d == "": return "NULL" if d == "": return "NULL"