PG_RELFILENODE_SIZE
The PG_RELFILENODE_SIZE system catalog provides file-level space statistics. Each record in the catalog corresponds to a physical file on the disk and the size of the file.
Name |
Type |
Description |
---|---|---|
databaseid |
oid |
OID of the database that the physical file belongs to If a system catalog is shared across databases, its value is 0. |
tablespaceid |
oid |
Tablespace OID of the physical file |
relfilenode |
oid |
Serial number of the physical file |
backendid |
integer |
ID of the background thread that creates the physical file. Generally, the value is -1. |
type |
integer |
Type of the physical file.
|
filesize |
bigint |
Size of the physical file, in bytes. |
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