PostgreSQL 9.3.2 Documentation
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# dblink_error_message

## Name

dblink_error_message -- gets last error message on the named connection

## Synopsis

    dblink_error_message(text connname) returns text

## Description

`dblink_error_message` fetches the most recent remote error message for a given connection.

## Arguments

`conname`

  Name of the connection to use.

## Return Value

Returns last error message, or an empty string if there has been no error in this connection.

## Examples

    SELECT dblink_error_message('dtest1');

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