Any time this happens it's generally a nasty surprise for users. It
would be nice to throw them an explicit warning that it's occurring.

decibel=# vacuum i;
WARNING: exceeded maintenance_work_mem while vacuuming relation
"public.i"
HINT: Consider increasing maintenance_work_mem
VACUUM
decibel=#

Attached passes regression tests...
--
Jim Nasby jim@nasby.net
EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)




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