psql Feature request \set query

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От Josh Berkus
Тема psql Feature request \set query
Дата
Msg-id 200810221538.21464.josh@agliodbs.com
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Ответы Re: psql Feature request \set query  (Alvaro Herrera <alvherre@commandprompt.com>)
Re: psql Feature request \set query  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
Hackers,

Just had a feature request from Wheeler, and I don't see why it shouldn't 
go on our todo list.

Currently, in psql you can do:

\set myvar 2008-10-23

and you can do

\set myvar `date`

but you can't do 

\set myvar "Select now()"

even though you could, bizarrely, do:

\set myvar `psql -c "SELECT now();"` 

... provided you were willing to parse out the garbage in the output.

This seems inconsistent, and it seems like the ability to store the results 
of a single-row-returning query in a psql variable would be useful for 
testing.  yes/no?

-- 
--Josh

Josh Berkus
PostgreSQL
San Francisco


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