CLASS="VARNAME"
>geqo_threshold</TT
> variable provides
        more granular control of GEQO.
       </P
></DD
><DT
><A
NAME="GUC-GEQO-THRESHOLD"
></A
><TT
CLASS="VARNAME"
>geqo_threshold</TT
> (<TT
CLASS="TYPE"
>integer</TT
>)</DT
><DD
><P
>        Use genetic query optimization to plan queries with at least
        this many <TT
CLASS="LITERAL"
>FROM</TT
> items involved. (Note that a
        <TT
CLASS="LITERAL"
>FULL OUTER JOIN</TT
> construct counts as only one <TT
CLASS="LITERAL"
>FROM</TT
>
        i