Ron Johnson <ronljohnsonjr@xxxxxxxxx> writes: > Since the purpose of TOAST is just (I think) to store "large field values" > on disk by dividing into multiple chunks, what would be the purpose of > returning the TOASTed value to Jan's function? Probably not much. There are scenarios where not detoasting saves work overall, because the object never has to get detoasted; but I think that's rare. It'd probably look like UPDATE t SET c = no_op_function(c) WHERE ... which is something few people would write. regards, tom lane
