2010/1/15 Pavel Stehule <pavel.stehule@xxxxxxxxx>: >> >> 3. Then I need to add the TABLE-level CHECK condition in order to >> exploit the "constraint_exclusion = on": >> execute $l2$ >> alter table $l2$||ct||$l2$ >> add check( $l0$||co||$l0$ ) >> $l2$ using $l0$||va||$l0$; >> > > I am sorry, I am out. Your code isn't much readable: > > Minimally there isn't placeholder - some like $x > > It is game for the most cryptografic code :). > > You searching a functionality that isn't in pg now :(. Clause USING > doesn't work like macros or templates in C++ > > look on this page - maybe it could be useful for you > http://wiki.postgresql.org/wiki/Sprintf > > Regards > Pavel > Pavel, It's worse than cryptographic if you skip the starting points. I do admit it's far from plain PLPGSQL, though. The "co" text variable contains the $x placeholders, the "va" text variable contains the expressions to be used. -- Vincenzo Romano NotOrAnd Information Technologies cel. +39 339 8083886 | gtalk. vincenzo.romano@xxxxxxxxxxx fix. +39 0823 454163 | skype. notorand.it fax. +39 02 700506964 | msn. notorand.it NON QVIETIS MARIBVS NAVTA PERITVS -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general