18th October 2018: PostgreSQL 11 Released!
Unsupported versions: 7.0 / 6.5 / 6.4

pg_lo_read

Name

pg_lo_read — read a large object
pg_lo_read conn fd bufVar len

Inputs

conn

Specifies a valid database connection.

fd

File descriptor for the large object from pg_lo_open.

bufVar

Specifies a valid buffer variable to contain the large object segment.

len

Specifies the maximum allowable size of the large object segment.

Outputs

None

Description

pg_lo_read reads at most len bytes from a large object into a variable named bufVar.

Usage

bufVar must be a valid variable name.