PostgreSQL 7.3.4 Documentation
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# pg_lo_read

## Name

pg_lo_read -- read a large object

## Synopsis

    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.

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