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Re: Permissions checks for range-type support functions

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Jeff Davis <pgsql(at)j-davis(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Permissions checks for range-type support functions
Date: 2011-11-23 14:01:50
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Lists: pgsql-hackers
On Tue, Nov 22, 2011 at 6:38 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> 2. The ANALYZE option is flat out dangerous, because it allows any
> function with the signature "f(internal) returns bool" to be called as
> though it's a typanalyze function.  There are a couple of such functions
> in the catalogs already, and either of them will probably crash the
> backend if invoked as typanalyze on a range column.

It's always seemed mildly insane to me that we don't distinguish
between different flavors of "internal".  That seems like an accident
waiting to happen.

Robert Haas
The Enterprise PostgreSQL Company

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