Bug Report

From: Markus Wiederkehr <wmax(at)sbox(dot)tu-graz(dot)ac(dot)at>
To: pgsql-ports(at)postgresql(dot)org
Subject: Bug Report
Date: 1999-11-16 13:55:58
Message-ID: 199911161355.OAA05538@fstgss05.tu-graz.ac.at
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Hello!

I've found a small bug (??) in PostgreSQL 6.5.3:

[PostgreSQL 6.5.3 on i686-pc-linux-gnu, compiled by gcc egcs-2.91.66]

SELECT SUM(1) FROM <table> WHERE <false-condition>;

I wanted to use this query to count the number of rows in a table that meet
the specified condition. Postgres crashes, if the number of rows is zero.

> table=> SELECT SUM(1) FROM nodes WHERE node_id = 172;
> pqReadData() -- backend closed the channel unexpectedly.
> This probably means the backend terminated abnormally
> before or while processing the request.
> We have lost the connection to the backend, so further processing is
> impossible. Terminating.

--
Markus Wiederkehr
mailto:wmax(at)sbox(dot)tu-graz(dot)ac(dot)at

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