Re: per-column generic option
От | David Fetter |
---|---|
Тема | Re: per-column generic option |
Дата | |
Msg-id | 20110627234220.GB11795@fetter.org обсуждение исходный текст |
Ответ на | Re: per-column generic option (David Fetter <david@fetter.org>) |
Список | pgsql-hackers |
On Fri, Jun 17, 2011 at 05:59:31AM -0700, David Fetter wrote: > On Fri, Jun 17, 2011 at 07:19:39PM +0900, Shigeru Hanada wrote: > > > Here's an example of a non-trivial mapping. > > > > > > Database type: > > > MySQL > > > Foreign data type: > > > datetime > > > PostgreSQL data type: > > > timestamptz > > > Transformation direction: > > > Import > > > Transformation: > > > CASE > > > WHEN DATA = '0000-00-00 00:00:00' > > > THEN NULL > > > ELSE DATA > > > END > > > > > > Here, I'm making the simplifying assumption that there is a bijective > > > mapping between data types. Any word on this? Cheers, David. -- David Fetter <david@fetter.org> http://fetter.org/ Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter Skype: davidfetter XMPP: david.fetter@gmail.com iCal: webcal://www.tripit.com/feed/ical/people/david74/tripit.ics Remember to vote! Consider donating to Postgres: http://www.postgresql.org/about/donate
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