PostgreSQL 7.2 Documentation
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# set_defhost

## Name

set_defhost -- set default host name [DV]

## Synopsis

    set_defhost(host)

### Parameters

`host`

  New default host (string/None).

### Return Type

string or None

  Previous default host specification.

### Exceptions

TypeError

  Bad argument type, or too many arguments.

## Description

`set_defhost()` sets the default host value for new connections. If None is supplied as parameter, environment variables will be used in future connections. It returns the previous setting for default host.

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