From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
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To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: proposal - assign result of query to psql variable |
Date: | 2012-07-26 05:37:40 |
Message-ID: | CAFj8pRAjcoXRBNMUFPJ5apjaMD14=yAsiYuLenArpX0tZhnkOA@mail.gmail.com |
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Lists: | pgsql-hackers |
2012/7/26 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
> Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
>> \eset variable [, variable [..]] query -- it raise exception when
>> more than one row is returned or when no row is returned
>
> Better would be a variant on \g, that is you type in the query and
> then tell it where to put the result. We have learned the hard way
> that putting SQL commands into the arguments of backslash commands
> is a horrid idea. Maybe
>
> select x,y,... from ...
> \gset var1 var2 ...
it could be
Pavel
>
> regards, tom lane
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