From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
Cc: | pgsql-patches(at)postgresql(dot)org |
Subject: | Re: Numeric 508 datatype |
Date: | 2005-12-02 04:34:00 |
Message-ID: | 200512020434.jB24Y0121472@candle.pha.pa.us |
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Lists: | pgsql-general pgsql-hackers pgsql-patches |
Where are we on this patch? It is ready for the patch queue?
---------------------------------------------------------------------------
Simon Riggs wrote:
>
> Now we're into 8.2devel mode, its time to submit the previously
> discussed patch that:
>
> - reduces Numeric storage format by 2 bytes
> - limits scale to +/- 508 decimal places
>
> This is sufficient to allow Numeric to continue to be used as the
> default numeric representation for all numbers in the parser.
>
> Passes: make check on cvstip, as well as some tests not in there.
>
> Code comments explain the new format and consequences.
>
> As previously agreed, reviewing this is a 2 stage process:
> 1. review/possibly agree OK to commit
> 2. check with everybody on GENERAL that the restriction to 508 is
> acceptable
>
> Figure there's no point doing (2) until we agree the proposal/code is
> workable.
>
> As Atsushi-san point out, there is also come CPU optimization to be done
> on Numeric comparison, and also on other areas such as aggregation. I've
> not done this yet.
>
> Best Regards, Simon Riggs
[ Attachment, skipping... ]
>
> ---------------------------(end of broadcast)---------------------------
> TIP 2: Don't 'kill -9' the postmaster
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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