On 31.10.2010 20:19, Dimitri Fontaine wrote:
Heikki Linnakangas<heikki.linnakan...@enterprisedb.com>  writes:
In particular, embedded and/or dynamic calls in PLs will get hairy if
not turing complete and outright impossible to solve.

Sorry, I don't follow. Got an example?

Well, who's to say the following hypothetical plpgsql example should be
forgiven only in an exception's script?

  v_sql := 'SELECT * FROM ' || p_fun || '()';
  FOR rec in EXECUTE v_sql
  LOOP
    …
  END LOOP;

If I understand that correctly, the idea is that p_fun holds the name of a function that's in the same schema as the extension? You would write that as

v_sql := 'SELECT * FROM @extsch...@.' || p_fun || '()';
FOR rec in EXECUTE v_sql
LOOP
  …
END LOOP;

--
  Heikki Linnakangas
  EnterpriseDB   http://www.enterprisedb.com

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