 = 0</TT
>
      when <TT
CLASS="LITERAL"
>foo</TT
> is coming from the nullable side of an outer join.
      9.2 showed this type of error in more cases than previous releases,
      but the basic bug has been there for a long time.
     </P
></LI
><LI
><P
>      Fix <TT
CLASS="COMMAND"
>SELECT DISTINCT</TT
> with index-optimized
      <CODE
CLASS="FUNCTION"
>MIN</CODE
>/<CODE
CLASS="FUNCTION"
>MAX</CODE
> on an inheritance tree (Tom Lane)
     </P
><P
>      The planner would fail with <SPAN
CLASS="QUOTE"