KaiGai Kohei <kai...@ak.jp.nec.com> writes:
> I reconsidered the previous walker implementation independent
> from other parser codes is more simple and better.
And slower, and equally subject to this bug, so I'm not convinced.
> Stephen, Tom, what is your opinion?
I'm thinking make_var is not the place to do this. The places that are
supposed to be taking care of permissions are the ones that do this:
/* Require read access --- see comments in setTargetTable() */
rte->requiredPerms |= ACL_SELECT;
It's possible that we've missed some --- in particular, right at the
moment I am not sure that whole-row Vars are handled properly.
And maybe we could refactor a little bit to save some code.
But those are basically the same places that ought to be adding
bits to the column bitmaps.
regards, tom lane
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