From: | Jan Wieck <JanWieck(at)Yahoo(dot)com> |
---|---|
To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
Cc: | Jan Wieck <JanWieck(at)Yahoo(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andreas Pflug <pgadmin(at)pse-consulting(dot)de>, Andrew Dunstan <andrew(at)dunslane(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: massive quotes? |
Date: | 2003-09-11 21:25:24 |
Message-ID: | 3F60E844.8000700@Yahoo.com |
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Lists: | pgsql-hackers |
Bruce Momjian wrote:
> Jan Wieck wrote:
>>
>>
>> Bruce Momjian wrote:
>>
>> > Sounds good. I just think keywords in general are weird to use for
>> > quoting. We use "'" for quoting, so something similar like another
>> > operator combination would be nice. I have never been fond of the
>> > here-document approach, though I can see the value of doing
>> > here-documents in here-documents, though if we make the open and close
>> > of the quote string different <--, -->, we can still do that, no?
>> >
>>
>> The beauty of here-documents is that you specify your closing tag on a
>> per usage base and can vary that depending on the content you need to
>> enclose. Keep in mind that this literal mechanism is not only used for
>> PL/pgSQL, but for other languages like PL/Tcl and PL/Perl as well.
>> Imagine the pain for a Tcl programmer if we'd go with curly braces!
>
> Oh, non-SQL languages. OK, I agree, we need HERE documents, and I think
> we all agree it has to be done in the lexer.
>
Not only. psql by default sends the edit buffer when it encounters the
";". You don't want that to happen inside of the here document. So it
has to duplicate that logic.
Jan
--
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