Most of the people who have thought about this have figured that the
right solution involves a single index spanning multiple tables (hence,
adding a table ID to the index entry headers in such indexes). This
fixes the lookup and entry problems, but it's not any help for the
lock-against-schema-mods problem, and it leaves you with a real headache
if you want to drop just one of the tables.
'Tis a hard problem :-(
Maybe the solution is to make inherited tables actually the same table,
and jank it with an extra per-row attribute to differentiate them or
something :)
Might make constraint_exclusion less useful then.
Chris
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