ER
        TABLE</TT
></A
> revalidate foreign key constraints in some
        cases where it is not necessary (Noah Misch)
       </P
></LI
><LI
><P
>        Add <TT
CLASS="LITERAL"
>IF EXISTS</TT
> options to some <TT
CLASS="COMMAND"
>ALTER</TT
>
        commands (Pavel Stehule)
       </P
><P
>        For example, <TT
CLASS="COMMAND"
>ALTER FOREIGN TABLE IF EXISTS foo RENAME
        TO bar</TT
>.
       </P
></LI
><LI
><P
>        Add <A
HREF="sql-alterforeigndatawrapper.html"
><TT
CLASS="COMMAND"
>ALTER