"donniehan" <donnie...@126.com> writes:
> I have a question about the grantor. Why the grantor is owner in the
> following case ? I think it should be postgres(dba).
Grants done by a superuser on an object he doesn't own are treated as
being done by the object owner instead. Otherwise you end up with
grants that don't have a clear chain of traceability to the owner,
which causes all sorts of un-fun issues for REVOKE. (I'm too lazy
to come up with the details right now, but if you care you can look
back in the pgsql-hackers archives to find the discussions where this
behavior was agreed on.)
regards, tom lane
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