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Re: BUG: aliases does not work ((


  • From: Peter Eisentraut <peter_e(at)gmx(dot)net>
  • To: pgsql-bugs(at)postgresql(dot)org
  • Cc: Eugen(dot)Konkov(at)aldec(dot)com
  • Subject: Re: BUG: aliases does not work ((
  • Date: Wed, 7 May 2008 13:52:37 +0200
  • Message-id: <200805071352(dot)37691(dot)peter_e(at)gmx(dot)net>

Am Mittwoch, 7. Mai 2008 schrieb Eugen(dot)Konkov(at)aldec(dot)com:
>  SELECT
> MIN(COALESCE(cmp_values(parent_td.value, parent_md.value,
> parent_cmp.value),0)) as chk_parent, FROM some_table
>
> having chk_parent > 0
>
> ERROR:  column "chk_parent" does not exist at character 2342

Aliases in the select list are not in scope in the having clause.  Either 
write out the expression again or use a subquery.



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