pg_lo_open
pg_lo_open — Open a large object
Synopsis
pg_lo_open conn
loid
mode
Description
pg_lo_open
opens a large object.
Arguments
conn
The handle of the connection.
loid
The OID of the large object.
mode
Specifies the access mode for the large object. Mode can be
either r
, w
, or
rw
.
Return Value
A descriptor for use in later large-object commands.
A Tcl error will be thrown if an error occurs.
Notes
All large object manipulation must take place within an SQL transaction
block.
This command uses or emulates the PostgreSQL
libpq
function lo_open
.