Simon Riggs <[EMAIL PROTECTED]> writes: > That's a killer reason, I suppose. I was really trying to uncover what > the thinking was, so we can document it. Having VACUUM ignore it > completely seems wrong.
What you seem to be forgetting is that VACUUM is charged with cleaning out LP_DEAD tuples, which HOT cannot do. And the page header fields are set (quite properly so) with HOT's interests in mind not VACUUM's. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 7: You can help support the PostgreSQL project by donating at http://www.postgresql.org/about/donate