     This is useful for event triggers.
       </P
></LI
><LI
><P
>        Invent pre-commit/pre-prepare/pre-subcommit events for transaction
        callbacks (Tom Lane)
       </P
><P
>        Loadable modules that use transaction callbacks might need modification
        to handle these new event types.
       </P
></LI
><LI
><P
>        Add function <A
HREF="functions-info.html#FUNCTIONS-INFO-CATALOG-TABLE"
><CODE
CLASS="FUNCTION"
>pg_identify_object()</CODE
></A
>
        to produce a machine-readable 