Re: TODO Item - Return compressed length of TOAST datatypes

Mark Kirkwood <markir@paradise.net.nz> writes:
> I did some tests with a two tables, one small and one large, I am seeing
> a consistent difference favoring the first-call-only type checking:

We had come to a similar conclusion in regards to making array-related
functions cache lookup info across calls.  It's worth checking the
assumption every so often, but the result surprises me not at all.

            regards, tom lane