Re: plpgsql arrays

On Fri, Apr 3, 2009 at 11:15 AM, Matthew Wakeling <matthew@flymine.org> wrote:
> 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?

ah, it isn't...in many cases where you access composite type fields,
() is required (especially in query).  it isn't here, so you can
safely leave it off.

merlin