Re: CSV mode option for pg_dump
| От | Joshua D. Drake |
|---|---|
| Тема | Re: CSV mode option for pg_dump |
| Дата | |
| Msg-id | 448ED51F.8080902@commandprompt.com обсуждение исходный текст |
| Ответ на | Re: CSV mode option for pg_dump (Bruce Momjian <pgman@candle.pha.pa.us>) |
| Список | pgsql-hackers |
Bruce Momjian wrote:
> Good point. The number of CSV options would be hard to support for
> pg_dump. Any thoughts from anyone on how to do that cleanly? Could we
> just support the default behavior?
Although I don't see a real need for the feature, I do think that if we
were to support "1" (well two if you include the already tab delimited)
csv output it would be a large amount of bloat.
Perhaps we could pick "1" output, say comma delimted with quoted fields?
"foo","bar ","baz"
Joshua D. Drake
>
> ---------------------------------------------------------------------------
>
> Tom Lane wrote:
>> "Andrew Dunstan" <andrew@dunslane.net> writes:
>>> I wish I could understand why people are so keen to make other people turn
>>> handsprings in order to avoid a feature which, as Bruce points out, is
>>> already on the TODO list, and which, by my 10 minute analysis, would involve
>>> almost trivial code impact and risk. If this involved major impact I might
>>> understand, but it really doesn't.
>> Supporting all of the CSV options in pg_dump would involve major bloat
>> in its option set, and it already has far too many options. If it were
>> just a matter of adding a "--csv" switch I wouldn't be complaining, but
>> there are half a dozen more sub-options, and it seems like every time we
>> turn around someone is finding a reason for another one. Propagating
>> all that cruft through pg_dump would be a PITA, and updating it to track
>> future additions would be too.
>>
>> Furthermore, the entire rationale for the feature is predicated on the
>> claim that programs other than pg_restore might find it useful. But
>> this conveniently ignores the fact that if there are any such programs
>> in existence, what this will really do is BREAK them, because they won't
>> be able to cope with all the variants that pass for CSV.
>>
>> My opinions would be less negative if I thought that CSV were a
>> well-defined format that would never change. I don't believe that it
>> has either property, however, and so I'm against letting it get into our
>> dump file format. I think we'll just live to regret it if we do.
>>
>> regards, tom lane
>>
>> ---------------------------(end of broadcast)---------------------------
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>>
>
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