Re: COPY IN as SELECT target
От | Heikki Linnakangas |
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Тема | Re: COPY IN as SELECT target |
Дата | |
Msg-id | 4B2A6912.1080509@enterprisedb.com обсуждение исходный текст |
Ответ на | COPY IN as SELECT target (Andrew Dunstan <andrew@dunslane.net>) |
Ответы |
Re: COPY IN as SELECT target
Re: COPY IN as SELECT target |
Список | pgsql-hackers |
Andrew Dunstan wrote: > > Recently there was discussion about allowing a COPY statement to be a > SELECT target, returning a text array, although the syntax wasn't really > nailed down that I recall. I was thinking that we might have > > COPY RETURNING ARRAY FROM ... > > instead of > > COPY tablename opt_column_list FROM ... It's not really returning an array, is it? It's returning a bag of rows like a (sub)query. > the we possibly could do things like: > > SELECT t[5] as a, 3*(t[3]::numeric) as b FROM (COPY RETURNING ARRAY > FROM STDIN CSV) as t; How about just COPY FROM? As in SELECT t[5] as a, 3*(t[3]::numeric) as b FROM (COPY FROM STDIN CSV) as t -- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com
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