Re: Allow disabling folding of unquoted identifiers to lowercase

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От John R Pierce
Тема Re: Allow disabling folding of unquoted identifiers to lowercase
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Msg-id 8733c0e7-9b9a-5626-16ca-adf57c231a1f@hogranch.com
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Ответ на Re: Allow disabling folding of unquoted identifiers to lowercase  (John McKown <john.archie.mckown@gmail.com>)
Ответы Re: Allow disabling folding of unquoted identifiers to lowercase  (John McKown <john.archie.mckown@gmail.com>)
Re: Allow disabling folding of unquoted identifiers to lowercase  (John McKown <john.archie.mckown@gmail.com>)
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On 4/29/2016 12:56 PM, John McKown wrote:

I suspect this would be painful for the parser, unless you also enforced that all SQL keywords were in a specific case (all lower would be the minimal impact to the code).   otherwise the parser would have to lower() every token to check to see if its a keyword, but if not, revert it to its original case.


​ Why? PostgreSQL is written in C. So use strncasecmp() instead of strncmp() or strcasecmp() instead of strcmp() to test for a token.

are those the APIs the parser uses?


-- 
john r pierce, recycling bits in santa cruz

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