Re: Variable substitution in psql backtick expansion

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От Pavel Stehule
Тема Re: Variable substitution in psql backtick expansion
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Msg-id CAFj8pRDCfLLNfMyNAjDwgHXS7inThdqgCaSbfKpiYXkb6Mvmwg@mail.gmail.com
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Ответ на Re: Variable substitution in psql backtick expansion  (Fabien COELHO <coelho@cri.ensmp.fr>)
Ответы Re: Variable substitution in psql backtick expansion
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2017-04-02 8:53 GMT+02:00 Fabien COELHO <coelho@cri.ensmp.fr>:

Bonjour Daniel,

I think that users would rather have the option to just put
an SQL expression behind \if.

Note that this is already available indirectly, as show in the documentation.

  SELECT some-boolean-expression AS okay \gset
  \if :okay
    \echo boolean expression was true
  \else
    \echo boolean expression was false
  \endif


For this case can be nice to have function that returns server version as number

some like version_num() .. 10000

comments?

Regards

Pavel
 
--
Fabien.



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