# pg_filespace_entry

A tablespace requires a file system location to store its database files. This collection of file system locations for all components in a OushuDB system is referred to as a *filespace*. The `pg_filespace_entry` table contains information about the collection of file system locations across a OushuDB system that comprise a OushuDB filespace.



Table 1. `pg_catalog.pg_filespace_entry`

| column         | type       | references       | description                               |
| :------------- | :--------- | :--------------- | :---------------------------------------- |
| `fsefsoid`     | oid        | pg_filespace.oid | Object id of the filespace.               |
| `fsedbid`      | integer    |                  | Segment id.                               |
| `fselocation`  | text[]     |                  | File system location for this segment id. |
| `fselocweight` | smallint[] |                  |                                           |