Andres Freund <andres(at)anarazel(dot)de> writes:
> I don't think this has anything to do with the problem. Isn't this the
> known problem around truncation that Tom has recently talked about fixing?
> [1] /message-id/2348.1544474335%40sss.pgh.pa.us
Yeah, it sure looks like that same old issue to me.
regards, tom lane