Reworks of DML permission checks

Kouhei Kaigai <kaigai@ak.jp.nec.com>

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From: KaiGai Kohei <kaigai@ak.jp.nec.com>

To: Robert Haas <robertmhaas@gmail.com>

Cc: Stephen Frost <sfrost@snowman.net>, pgsql-hackers@postgresql.org

Date: 2010-06-14T08:46:12Z

Lists: pgsql-hackers

Attachments

pgsql-v9.1-reworks-dml-checks.1.patch (application/octect-stream) patch v9

The attached patch tries to rework DML permission checks.

It was mainly checked at the ExecCheckRTEPerms(), but same logic was
implemented in COPY TO/FROM statement and RI_Initial_Check().

This patch tries to consolidate these permission checks into a common
function to make access control decision on DML permissions. It enables
to eliminate the code duplication, and improve consistency of access
controls.

Thanks,
-- 
KaiGai Kohei <kaigai@ak.jp.nec.com>