From: Richard Huxton <dev@archonet.com>
To: Mark Mitchell <mark@lapcrew.com>
To: pgsql-sql@postgresql.org
Subject: Re: Underscores in column names
Date: Fri, 7 Mar 2003 16:28:11 +0000
Message-ID: <200303071628.11980.dev@archonet.com> (raw)
In-Reply-To: <1047052681.24305.6.camel@sql.icnfull.com>
References: <1047052681.24305.6.camel@sql.icnfull.com>
On Friday 07 Mar 2003 3:58 pm, Mark Mitchell wrote:
> I have a underscores in most all of the column names in this database.
> I've ran into a problem where Postgres doesn't like them.
>
> SELECT * FROM "NATAB" WHERE
> "NATAB"."NA_LAST_NAME" LIKE 'MITCHELL%' AND
> SUBSTRING("NATAB"."NA_NAME",0,"NATAB"."NA_COLON") LIKE 'MARK%'
>
> Produces the error : "ESCAPE string must be empty or one character"
>
> The column "NA_COLON" is a column that holds the numeric position at
> which the first name ends and the last name begins. If the column name
> does not contain an underscore it works fine. Any suggestions?
Are you sure you don't mean substr() rather than substring()? I think the form
you're using does a POSIX regexp match and uses the third param as an escape
character.
--
Richard Huxton
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To: pgsql-sql@postgresql.org
Cc: dev@archonet.com, mark@lapcrew.com
Subject: Re: Underscores in column names
In-Reply-To: <200303071628.11980.dev@archonet.com>
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