Re: Question about the enum type

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От Tim Hart
Тема Re: Question about the enum type
Дата
Msg-id 70326e4da0629ad3f8841234ceff7fb0@mac.com
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Ответ на Re: Question about the enum type  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Feb 18, 2008, at 12:10 AM, Tom Lane wrote:

>> Would it have been reasonable to expect some kind of notice or warning
>> message stating that 'position' was special, and
>> <double-quote>position<double-quote> would be used instead?
>
> The way you phrase that makes me think you misunderstand what's
> happening here.  The name of the type isn't "position" with double
> quotes, it's just position.  You have to double-quote it when you
> use it to prevent the parser from thinking that the special SQL
> POSITION function call syntax is coming up.  There are other ways
> to do that though, for example if you write public.position (or
> whatever
> schema it's in) then you won't need double quotes.

I did misunderstand. I understand now that the quotes are used to call
out the string literally, and to avoid syntax-related parsing. Thanks
for the help.

Tim


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