Wouldn't a regular query do that? Something like:
rows = db((db.tblB.fkA.belongs(1,2))) & (db.tblB.fkA==db.tblA.fldA)).select()
Wouldn't a regular query do that? Something like:
rows = db((db.tblB.fkA.belongs(1,2))) & (db.tblB.fkA==db.tblA.fldA)).select()