
> So, may by add to pg_opclass two fields?
> bool is_varlena_key
> bool is_lossy_compress

Those are both properties of the compress function, the index method or the key type.
I do not think it has anything to do with operator classes (comparison functions), 
and thus would be wrong in pg_opclass.

Andreas

Mon, 28 May 2001 08:59:48 +0200
Zeugswetter Andreas SB  <ZeugswetterA@wien.spardat.at>
AW: GiST index on data types that require compression