Roland Turner <[EMAIL PROTECTED]> writes:
> I'm working with 7.4, but the 8.2 docs[1] have the same apparent error:
> ROW SHARE
> Conflicts with the EXCLUSIVE and ACCESS EXCLUSIVE lock modes.
> If that conflict list were correct, then ROW SHARE wouldn't conflict
> with itself, much less with ROW EXCLUSIVE (required to prevent
> INSERT/UPDATE/DELETE); commonsense dictates that it should conflict with
> both, and experiment demonstrates that it actually does so.
A moment's examination of the source code (see the conflict tables in
src/backend/storage/lmgr/lock.c) shows that the documentation claim is
correct. Please provide your experiment to the contrary.
regards, tom lane
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