The recent discussion on the proposed HOT scheme has reminded me of a
question I meant to ask about TOASTing when it was introduced back in 7.1(?)

If I have a table something like: (id, status, big_text) and just update
the "status" column on a row, do I have two copies of "big_text" TOASTED
or are they shared?

--
Richard Huxton
Archonet Ltd

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TIP 6: explain analyze is your friend