Re: dblink for 8.4 should work without user-mappings

From: Takahiro Itagaki <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: dblink for 8.4 should work without user-mappings
Date: 2010-02-25 00:49:33
Message-ID: 20100225094933.915C.52131E4D@oss.ntt.co.jp
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Bruce Momjian <bruce(at)momjian(dot)us> wrote:

> What happened to this patch?

It was rejected because SQL standard always requires an user mapping.
I agree about the decision, too.

> ---------------------------------------------------------------------------
> Itagaki Takahiro wrote:
> > contrib/dblink in 8.4 supports a server name by CREATE SERVER for connection
> > string, but it always requires an user-mapping (by CREATE USER MAPPING).
> > However, I think it should work user-mappings because it works when
> > the connection string is passed directly.
> >
> > The attached patch adds 'missing_ok' parameter to GetUserMapping() and
> > made dblink to use it. There should be no additional security issues here
> > because dblink's original security check works even for server name mode.

Regards,
---
Takahiro Itagaki
NTT Open Source Software Center

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