pg_largeobject

The pg_largeobject catalog provides information about large object data.

Column name Data type Description
loid oid (references pg_largeobject_metadata.oid) The identifier of the large object to which the page belongs.
pageno int4 The page number within the large object. Numbering starts from 0.
data bytea The actual data stored on the page. Its size is never greater than LOBLKSIZE bytes and may be smaller.