pg_lo_tell

Name

pg_lo_tell -- return the current seek position of a large object

Synopsis

pg_lo_tell conn descriptor

Description

pg_lo_tell returns the current read/write position in bytes from the beginning of the large object.

Arguments

conn

The handle of a connection to the database in which the large object exists.

descriptor

A descriptor for the large object from pg_lo_open.

Return Value

The current zero-based byte offset in the large object, suitable for use with pg_lo_lseek.

A Tcl error will be thrown if an error occurs.

Notes

All large object manipulation must take place within an SQL transaction block.