ut it
      back the way it was before 9.2.
     </P
></LI
><LI
><P
>      Acquire buffer lock when re-fetching the old tuple for an
      <TT
CLASS="LITERAL"
>AFTER ROW UPDATE/DELETE</TT
> trigger (Andres Freund)
     </P
><P
>      In very unusual circumstances, this oversight could result in passing
      incorrect data to a trigger <TT
CLASS="LITERAL"
>WHEN</TT
> condition, or to the
      precheck logic for a foreign-key enforcement trigger.  That could
      result in a crash, or in an incorrect decis