Re: massive quotes?

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От Jan Wieck
Тема Re: massive quotes?
Дата
Msg-id 3F60E844.8000700@Yahoo.com
обсуждение исходный текст
Ответ на Re: massive quotes?  (Bruce Momjian <pgman@candle.pha.pa.us>)
Ответы Re: massive quotes?  (Bruce Momjian <pgman@candle.pha.pa.us>)
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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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