D"
>UPDATE</TT
> (Heikki)
     </P
></LI
><LI
><P
>      Ensure that a snapshot is available to datatype input functions (Tom)
     </P
><P
>      This primarily affects domains that are declared with <TT
CLASS="LITERAL"
>CHECK</TT
>
      constraints involving user-defined stable or immutable functions.  Such
      functions typically fail if no snapshot has been set.
     </P
></LI
><LI
><P
>      Make it safer for SPI-using functions to be used within datatype I/O;
      in particular, to be used in doma