Re: massive quotes?

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: Postgresql Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: massive quotes?
Date: 2003-08-29 15:20:18
Message-ID: 3F4F6F32.3000408@dunslane.net
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Jon Jensen wrote:

>On Thu, 28 Aug 2003, Andrew Dunstan wrote:
>
>
>
>>What is the state of things regarding having to use massive strings of
>>quotes like this (taken from the 7.3 docs)?:
>>
>>a_output := a_output || '' if v_'' ||
>> referrer_keys.kind || '' like ''''''''''
>> || referrer_keys.key_string || ''''''''''
>> then return '''''' || referrer_keys.referrer_type
>> || ''''''; end if;'';
>>
>>This is truly ugly, IMNSHO. Perl has its q() construct - any chance of
>>us doing something here?
>>
>>I'm prepared to put in effort to implement a solution if there is
>>agreement on what the solution should be. Maybe some sort of magical
>>operator/function?
>>
>>
>
>I was thinking the most natural thing would be to use something similar to
>COPY's stdin quoting:
>
>CREATE FUNCTION bob() RETURNS INTEGER AS stdin LANGUAGE 'plpgsql';
>BEGIN
> ...
>END;
>\.
>
>Another possibility would be shell/Perl-style here documents, like this:
>
>CREATE FUNCTION bob() RETURNS INTEGER AS <<EOF
>BEGIN
> ...
>END;
>EOF
>LANGUAGE 'plpgsql';
>
>The former seems preferable since it uses a syntax PostgreSQL already
>supports in another context.
>
>Jon
>
>

Nice idea. I would probably never have thought of it :-) Makes function
text almost first class, in the way that Oracle's is AFAICS,

I also prefer the first version, not least because it hoists the
LANGUAGE clause to the top where it seems to me it belongs.

I have no idea how hard this would be.

cheers

andrew

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