Re: plpgsql arrays

From: Matthew Wakeling
Subject: Re: plpgsql arrays
Date: ,
Msg-id: alpine.DEB.2.00.0904031614490.21772@aragorn.flymine.org
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In response to: Re: plpgsql arrays  (Merlin Moncure)
Responses: Re: plpgsql arrays  (Merlin Moncure)
List: pgsql-performance

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plpgsql arrays  (Matthew Wakeling, )
 Re: plpgsql arrays  (Robert Haas, )
  Re: plpgsql arrays  (Matthew Wakeling, )
   Re: plpgsql arrays  (Tom Lane, )
    Re: plpgsql arrays  (Matthew Wakeling, )
     Re: plpgsql arrays  (Tom Lane, )
      Re: plpgsql arrays  (Matthew Wakeling, )
       Re: plpgsql arrays  (Matthew Wakeling, )
       Re: plpgsql arrays  (Tom Lane, )
        Re: plpgsql arrays  (Matthew Wakeling, )
        Re: plpgsql arrays  (Nathan Boley, )
    Re: plpgsql arrays  (Simon Riggs, )
     Re: plpgsql arrays  (Alvaro Herrera, )
     Re: plpgsql arrays  (Tom Lane, )
      Re: plpgsql arrays  (Matthew Wakeling, )
     Re: plpgsql arrays  (Matthew Wakeling, )
      Re: plpgsql arrays  (Robert Haas, )
 Re: plpgsql arrays  (Tom Lane, )
  Re: plpgsql arrays  (Matthew Wakeling, )
   Re: plpgsql arrays  (justin, )
    Re: plpgsql arrays  (Matthew Wakeling, )
     Re: plpgsql arrays  (justin, )
     Re: plpgsql arrays  (Tom Lane, )
      Re: plpgsql arrays  (Matthew Wakeling, )
   Re: plpgsql arrays  (Merlin Moncure, )
    Re: plpgsql arrays  (Tom Lane, )
     Re: plpgsql arrays  (Matthew Wakeling, )
      Re: plpgsql arrays  (Tom Lane, )
 Re: plpgsql arrays  (Merlin Moncure, )
  Re: plpgsql arrays  (Merlin Moncure, )
   Re: plpgsql arrays  (Matthew Wakeling, )
    Re: plpgsql arrays  (Merlin Moncure, )

On Fri, 3 Apr 2009, Merlin Moncure wrote:
> select array(SELECT location FROM location, gene WHERE
> location.subjectid = gene.id ORDER BY objectid, intermine_start,
> intermine_end)) into genes;

Yeah, that works nicely.

> this will make array of location records.  when you access the records
> to do the merge, make sure to use () noation:
>
> if (genes[x]).field > something then

How is that different to genes[x].field?

Matthew

--
 And the lexer will say "Oh look, there's a null string. Oooh, there's
 another. And another.", and will fall over spectacularly when it realises
 there are actually rather a lot.
         - Computer Science Lecturer (edited)


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