Re: pg_dump --binary-upgrade vs. ALTER TYPE ... DROP ATTRIBUTE

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От Robert Haas
Тема Re: pg_dump --binary-upgrade vs. ALTER TYPE ... DROP ATTRIBUTE
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Msg-id F8723BEB-5569-451C-861A-1A4D1998D6BE@gmail.com
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Ответ на Re: pg_dump --binary-upgrade vs. ALTER TYPE ... DROP ATTRIBUTE  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Apr 20, 2011, at 11:37 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>
>> But one might well wonder why we didn't decide on:
>> CREATE TABLE n OF TYPE t;
>> ...rather than the actual syntax:
>> CREATE TABLE n OF t;
>> ...which has brevity to recommend it, but likewise isn't terribly clear.
>
>> I presume someone will now refer to a standard of some kind....
>
> SQL:2008 11.3 <table definition>, the bits around <typed table clause>
> to be specific.

Right on schedule...

> The SQL committee's taste in syntax is, uh, not mine.  They are
> amazingly long-winded in places and then they go and do something
> like this ...

Not to mention that it won't do to use existing syntax (like function call notation) when you could invent bespoke
syntax,ideally involving new keywords. 

...Robert

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