On 8/26/20, 12:16 PM, "Alvaro Herrera" <alvhe...@2ndquadrant.com> wrote: > On 2020-Aug-20, Jeremy Schneider wrote: >> Alternatively, if we don't want to take this approach, then I'd argue >> that we should update README.tuplock to explicitly state that >> XMAX_LOCK_ONLY and XMAX_COMMITTED are incompatible (just as it already >> states for HEAP_XMAX_IS_MULTI and HEAP_XMAX_COMMITTED) and clean up the >> code in heapam_visibility.c for consistency. > > Yeah, I like this approach better for the master branch; not just clean > up as in remove the cases that handle it, but also actively elog(ERROR) > if the condition ever occurs (hopefully with some known way to fix the > problem; maybe by "WITH tup AS (DELETE FROM tab WHERE .. RETURNING *) > INSERT * INTO tab FROM tup" or similar.)
+1. I wouldn't mind picking this up, but it might be some time before I can get to it. Nathan