Re: [HACKERS] 6.5.0 - Overflow bug in AVG( )

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От Thomas Lockhart
Тема Re: [HACKERS] 6.5.0 - Overflow bug in AVG( )
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Msg-id 3767A0B2.58C1DE09@alumni.caltech.edu
обсуждение исходный текст
Ответ на 6.5.0 - Overflow bug in AVG( )  ("Gene Sokolov" <hook@aktrad.ru>)
Ответы Re: [HACKERS] 6.5.0 - Overflow bug in AVG( )  (wieck@debis.com (Jan Wieck))
Список pgsql-hackers
> [PostgreSQL 6.5.0 on i386-unknown-freebsd3.2, compiled by gcc 2.7.2.1]
> test1=>  select count(*), max("ID"), min("ID"), avg("ID") from "ItemsBars";
>  count|    max|  min| avg
> ------+-------+-----+----
> 677719|3075717|61854|-251
> (1 row)
> Overflow, perhaps?

Of course. These are integer fields? I've been considering changing
all accumulators (and results) for integer aggregate functions to
float8, but have not done so yet. I was sort of waiting for a v7.0
release, but am not sure why...
                 - Thomas

-- 
Thomas Lockhart                lockhart@alumni.caltech.edu
South Pasadena, California


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