Contains an entry for each attachment with its decoded content. To be used in conjunction with the attachments table.
> Columns
attachment_id: integer, unique
unique internal identifier for the attachment.
content: oid
a reference to a PostgreSQL binary large object (blob)
The actual contents are located in the pg_largeobject table.
fingerprint: text
base64-encoded SHA1 fingerprint of the contents.
> Size
One row per uniquement attachment.
For versions 0.9.9 and higher, identical attachment contents are shared (same oid and fingerprint)