     When the second argument of <CODE
CLASS="FUNCTION"
>pg_extension_config_dump</CODE
> is
     an empty string, the entire contents of the table are dumped by
     <SPAN
CLASS="APPLICATION"
>pg_dump</SPAN
>.  This is usually only correct if the table
     is initially empty as created by the extension script.  If there is
     a mixture of initial data and user-provided data in the table,
     the second argument of <CODE
CLASS="FUNCTION"
>pg_extension_config_dump</CODE
> provides
     a <TT
CLASS="LITER