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Re: How are blobs (oid) stored? - Mailing list pgsql-general

From Tom Lane
Subject Re: How are blobs (oid) stored?
Date
Msg-id 2460.1259250731@sss.pgh.pa.us
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In response to How are blobs (oid) stored?  (Jérôme Etévé <jerome.eteve@gmail.com>)
Responses Re: How are blobs (oid) stored?  (Jérôme Etévé <jerome.eteve@gmail.com>)
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=?UTF-8?B?SsOpcsO0bWUgRXTDqXbDqQ==?= <jerome.eteve@gmail.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

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