Re: psql & regression (was: Error in new psql) - Mailing list pgsql-hackers

From wieck@debis.com (Jan Wieck)
Subject Re: psql & regression (was: Error in new psql)
Date
Msg-id m11wdfd-0003kGC@orion.SAPserv.Hamburg.dsh.de
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In response to Re: psql & regression (was: Error in new psql)  (Bruce Momjian <pgman@candle.pha.pa.us>)
List pgsql-hackers
Bruce Momjian wrote:

> >     And  who  can  guarantee that this kind of flaw cannot happen
> >     anywhere else?  There are many, very  old  regression  tests.
> >     Some  of them go back to the roots, Postgres 4.2, and I'm not
> >     sure anyone ever looked at the expected  results  lately,  if
> >     they  are  really  what SHOULD be expected. The tenk data for
> >     example is something where even I don't  know  where  it  was
> >     coming from, and I already joined the Postgres community with
> >     release 4.2 back in 1994.
>
> Thomas is the regression man, and has checked the output to see that
> it was expected in the past.  I assume he will regenerate it soon.

    Oh  yeah,  I've  seen his response with great pleasure. I did
    not  knew  that  there's  really  someone  taking  care   for
    breakage->expected glitches.

> A good point is that he can use the old psql to see any changes/breakage
> in the backend code, but can _not_ use the new psql to check because the
> output is different.  That is a good point, and I think the one Jan was
> making.

    Yes. The verification, if the new expected output is correct,
    needs one or more eyes (and AFAIK Thomas has good ones - he's
    one of a fistful who notice mistakes in my statements even if
    they are between the lines :-)).


Jan

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