Re: Column storage positions - Mailing list pgsql-hackers

From Andrew Dunstan
Subject Re: Column storage positions
Date
Msg-id 45DDCFDD.5090408@dunslane.net
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In response to Re: Column storage positions  ("Zeugswetter Andreas ADI SD" <ZeugswetterA@spardat.at>)
Responses Re: Column storage positions  ("Zeugswetter Andreas ADI SD" <ZeugswetterA@spardat.at>)
List pgsql-hackers
Zeugswetter Andreas ADI SD wrote:
> And I also see a lot of unhappiness from users of system tables 
> when column numbers all over the system tables would not be logical
> column 
> positions any more.
>
>   

Are you arguing against the feature? Or against the suggested design?

I should have thought (without much looking) one possible way to 
implement it would be to put Oids on pg_attribute for the permanent id, 
and keep attnum for the (now mutable) logical order, adding a further 
column for the physical order.


cheers

andrew


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