From: | Jérôme Etévé <jerome(dot)eteve(at)gmail(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: How are blobs (oid) stored? |
Date: | 2009-11-26 16:07:59 |
Message-ID: | f516fcd80911260807k49256ae3g8a5dbd4f3f41a5ba@mail.gmail.com |
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Lists: | pgsql-general |
Thanks Tom.
J.
2009/11/26 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
> =?UTF-8?B?SsOpcsO0bWUgRXTDqXbDqQ==?= <jerome(dot)eteve(at)gmail(dot)com> writes:
>> I know this is none of the user's business, but I'm wondering how
>> blob's implemented as oid are stored in the postgresql data storage.
>> Are each of them kept in a separate file, or are they chunked into
>> pieces and scattered ?
>
> They're in chunks in the pg_largeobject catalog.
> http://developer.postgresql.org/pgdocs/postgres/catalog-pg-largeobject.html
>
> regards, tom lane
>
--
Jerome Eteve.
http://www.eteve.net
jerome(at)eteve(dot)net
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