[BUGS] Except all bug in PostgreSQL 7.1*

[Szinyei Gerzson]

Hi,

I have found a bug in PostgreSQL doing "except all". Some records are
removed from the result, even though they should stay. Except all removed
records which were _not_ in the table that were excepted from the original
table.

I have put the data and small python code here:

http://www.webit.hu/~gerzson/pgexceptbugtest.tgz

Thank you in advance,

Gerzson Szinyei


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