Re: [SQL] \set

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Jie Liang" <jie(at)stbernard(dot)com>
Cc: "Christian Kratzer" <ck(at)cksoft(dot)de>, pgsql-admin(at)postgresql(dot)org, pgsql-sql(at)postgresql(dot)org
Subject: Re: [SQL] \set
Date: 2004-05-12 23:05:37
Message-ID: 29758.1084403137@sss.pgh.pa.us
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"Jie Liang" <jie(at)stbernard(dot)com> writes:
> You will see AAA associate with 'whatever', it's an internal variable,
> but how could I use it in my SQL query?

regression=# \set AAA 'whatever'
regression=# select :AAA;
ERROR: column "whatever" does not exist
regression=# \set AAA '\'whatever\''
regression=# select :AAA;
?column?
----------
whatever
(1 row)

regards, tom lane

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