| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
| Cc: | Ian Barwick <ian(at)2ndquadrant(dot)com>, Peter Geoghegan <pg(at)heroku(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, Andres Freund <andres(at)2ndquadrant(dot)com>, Greg Stark <stark(at)mit(dot)edu>, Jim Nasby <jim(at)nasby(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Robert Haas <robertmhaas(at)gmail(dot)com>, Albe Laurenz <laurenz(dot)albe(at)wien(dot)gv(dot)at> |
| Subject: | Re: Doing better at HINTing an appropriate column within errorMissingColumn() |
| Date: | 2014-06-17 00:53:48 |
| Message-ID: | 27925.1402966428@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Michael Paquier <michael(dot)paquier(at)gmail(dot)com> writes:
> On Tue, Jun 17, 2014 at 9:30 AM, Ian Barwick <ian(at)2ndquadrant(dot)com> wrote:
>> From what I've seen in the wild in Japan, Roman/ASCII characters are
>> widely used for object/attribute names, as generally it's much less
>> hassle than switching between input methods, dealing with different
>> encodings etc. The only place where I've seen Japanese characters widely
>> used is in tutorials, examples etc. However that's only my personal
>> observation for one particular non-Roman language.
> And I agree to this remark, that's a PITA to manage database object
> names with Japanese characters directly. I have ever seen some
> applications using such ways to define objects though in the past, not
> *that* many I concur..
What exactly is the rationale for thinking that Levenshtein distance is
useless in non-Roman alphabets? AFAIK it just counts insertions and
deletions of characters, which seems like a concept rather independent
of what those characters are.
regards, tom lane
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