pg_lo_open() opens a Large Object and returns large object resource. The resource encapsulates information about the connection. oid specifies a valid large object oid and mode can be either "r", "w", or "rw". It returns FALSE if there is an error.
| Warning |
Do not close the database connection before closing the large object resource. |
To use the large object (lo) interface, it is necessary to enclose it within a transaction block.
Note: This function used to be called pg_loopen().
See also pg_lo_close() and pg_lo_create().
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