Re: dynamic field names in a function.

At 12:42 AM 3/31/2001 -0500, you wrote:
>Plain PLSQL will not do this --- it wants to know field names when the
>query is first compiled. (This is a feature, not a bug, since it
>implies that the query can be optimized during compilation.)
>
>You could use PLTCL or PLPERL instead. Both of them treat queries
>as plain strings that you assemble out of whatever parts you please
>and then pass to the query engine. Of course you pay the cost of
>re-planning the query from scratch every time --- there's no free lunch.
>
>In 7.1, PLSQL can do that trick too, via its new EXECUTE statement.

You neglected to mention that triggers can't call perl functions. Had you
mentioned this - I'd not have bothered spending several days trying to get
perl working with postgres.

YOU SHOULD EXPLICITLY SAY THIS IN YOUR MANUAL!!!