Re: Advice returning data as an array

From: Erik Jones <ejones(at)engineyard(dot)com>
To: George Woodring <george(dot)woodring(at)iglass(dot)net>
Cc: pgsql-sql(at)postgresql(dot)org
Subject: Re: Advice returning data as an array
Date: 2009-08-26 18:20:39
Message-ID: 3EB27E36-4935-4DDA-B365-53D72B7226AF@engineyard.com
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On Aug 20, 2009, at 5:07 AM, George Woodring wrote:

> I have the following query that works the way I need:
>
> SELECT '20090812' AS date, sum(in_oct) AS bytes, sum(in_pkt) AS
> pkts, 'appl' AS name, ARRAY['appl'] AS fields, CAST((LEAST(src_port,
> dst_port)) AS varchar) as fieldVal FROM flow_history.flows_20090812
> GROUP BY fieldVal ORDER BY bytes DESC LIMIT 20;
>
> My issue is that I need to get the fieldVal to return as an array
> and be fieldVal[1]. Any suggestions?

The manual has everything you should need: http://www.postgresql.org/docs/8.4/interactive/arrays.html#ARRAYS-IO
What would help us help you past that is if you show what you have
already tried so we know where you need correction/help.

Erik Jones, Database Administrator
Engine Yard
Support, Scalability, Reliability
866.518.9273 x 260
Location: US/Pacific
IRC: mage2k

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