From: Aaron Bono <postgresql@aranya.com>
To: Erik Jones <erik@myemma.com>
Cc: Postgres SQL language list <pgsql-sql@postgresql.org>
Subject: Re: Problem with array subscripts in plpgsql trigger function
Date: Wed, 5 Jul 2006 12:36:16 -0500
Message-ID: <bf05e51c0607051036j1a548b1as604529d41dc7aa6a@mail.gmail.com> (raw)
In-Reply-To: <44ABEE3A.1030609@myemma.com>
References: <44ABEE3A.1030609@myemma.com>
On 7/5/06, Erik Jones <erik@myemma.com> wrote:
>
> Ok, I have a trigger set up on the following (stripped down) table:
>
> CREATE TABLE members (
> member_id bigint,
> member_status_id smallint,
> member_is_deleted boolean
> );
>
> Here's a shortened version of the trigger function:
>
> CREATE OR REPLACE FUNCTION update_member() RETURNS TRIGGER AS $um$
> DECLARE
> status_deltas integer[];
> BEGIN
> IF(NEW.member_status_id != OLD.member_status_id AND
> NEW.member_is_deleted IS NOT TRUE) THEN
> status_deltas[NEW.member_status_id] := 1;
> status_deltas[OLD.member_status_id] := -1;
> END IF;
> /*and after a couple more such conditional assignments I use the
> values in status_deltas to update another table holding status totals
> here*/
> END;
> $um$ LANGUAGE plpgsql;
>
> on the two lines that access set array values I'm getting the following
> error:
>
> ERROR: invalid array subscripts
>
> What gives?
What values are being used for member_status_id?
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To: pgsql-sql@postgresql.org
Cc: postgresql@aranya.com, erik@myemma.com
Subject: Re: Problem with array subscripts in plpgsql trigger function
In-Reply-To: <bf05e51c0607051036j1a548b1as604529d41dc7aa6a@mail.gmail.com>
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