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Re: Largeobject Access Controls and pg_migrator - Mailing list pgsql-hackers

From Takahiro Itagaki
Subject Re: Largeobject Access Controls and pg_migrator
Date
Msg-id 20091214092622.8A72.52131E4D@oss.ntt.co.jp
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In response to Re: Largeobject Access Controls and pg_migrator  (KaiGai Kohei <kaigai@kaigai.gr.jp>)
Responses Re: Largeobject Access Controls and pg_migrator  (Bruce Momjian <bruce@momjian.us>)
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KaiGai Kohei <kaigai@kaigai.gr.jp> wrote:

> Can SELECT lo_create(16385); help this situation?

SELECT lo_create(loid) FROM (SELECT DISTINCT loid FROM pg_largeobject) AS t

would work for pg_migrator.

> I'm not clear whether we also check pg_largeobejct has chunks with same
> LOID on lo_create(). In the regular operation, it shall never happen.

I think the omission is a reasonable optimization.

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

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