pg_largeobject_metadata
   The catalog pg_largeobject_metadata
   holds metadata associated with large objects.  The actual large object
   data is stored in
   pg_largeobject.
  
Table 51.31. pg_largeobject_metadata Columns
| Name | Type | References | Description | 
|---|---|---|---|
| oid | oid | Row identifier | |
| lomowner | oid |  | Owner of the large object | 
| lomacl | aclitem[] | Access privileges; see Section 5.7 for details |