Re: COPY FROM WHEN condition

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От Corey Huinker
Тема Re: COPY FROM WHEN condition
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Msg-id CADkLM=dmvGSpZ+h_CzFoGeuzH7mZT3TLttx-ikc+UYw_e6L2jg@mail.gmail.com
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Ответ на Re: COPY FROM WHEN condition  (Surafel Temesgen <surafel3000@gmail.com>)
Ответы Re: COPY FROM WHEN condition
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On Thu, Oct 11, 2018 at 5:04 AM Surafel Temesgen <surafel3000@gmail.com> wrote:


On Thu, Oct 11, 2018 at 12:00 PM Christoph Moench-Tegeder <cmt@burggraben.net> wrote:
You can:
  COPY ( query ) TO 'filename';
it is for COPY FROM

regards
Surafel

It didn't get far, but you may want to take a look at a rejected patch for copy_srf() (set returning function)

Having a set returning function gives you the full expressiveness of SQL, at the cost of an extra materialization step.


 

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