  See <A
HREF="runtime-config-query.html#RUNTIME-CONFIG-QUERY-GEQO"
>Section 18.7.3</A
>.
       </P
></DD
><DT
><A
NAME="GUC-JOIN-COLLAPSE-LIMIT"
></A
><TT
CLASS="VARNAME"
>join_collapse_limit</TT
> (<TT
CLASS="TYPE"
>integer</TT
>)</DT
><DD
><P
>        The planner will rewrite explicit <TT
CLASS="LITERAL"
>JOIN</TT
>
        constructs (except <TT
CLASS="LITERAL"
>FULL JOIN</TT
>s) into lists of
        <TT
CLASS="LITERAL"
>FROM</TT
> items whenever a list of no more than this many items
        would re