Re: [v9.2] Fix Leaky View Problem
Robert Haas <robertmhaas@gmail.com>
From: Robert Haas <robertmhaas@gmail.com>
To: Kohei KaiGai <kaigai@kaigai.gr.jp>
Cc: Noah Misch <noah@leadboat.com>, Tom Lane <tgl@sss.pgh.pa.us>, Thom Brown <thom@linux.com>, Kohei Kaigai <Kohei.Kaigai@emea.nec.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2011-09-26T00:50:42Z
Lists: pgsql-hackers
On Sun, Sep 25, 2011 at 3:25 PM, Kohei KaiGai <kaigai@kaigai.gr.jp> wrote: >> I'm a bit nervous about storing security_barrier in the RTE. What >> happens to stored rules if the security_barrier option gets change >> later? >> > The rte->security_barrier is evaluated when a query referencing security > views get expanded. So, rte->security_barrier is not stored to catalog. I think it is. If you create a view that involves an RTE, the node tree is going to get stored in pg_rewrite.ev_action. And it's going to include the security_barrier attribute, because you added outfuncs support for it... No? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company