Hi Tom,
Thanks for your information. One more question, if i wanna get the accurate information about grantor(Sometimes the application just needs the information), what can i do?
Apparently i cannot get from the acls, so where can i get the info?
-Dongni
"Tom Lane" <tgl@sss.pgh.pa.us> ???? news:4759.1261758025@sss.pgh.pa.us...
> "donniehan" <donniehan@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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