 to fetch all rows.  Larger values
        put more emphasis on the total estimated time.  At the maximum
        setting of 1.0, cursors are planned exactly like regular queries,
        considering only the total estimated time and not how soon the
        first rows might be delivered.
       </P
></DD
><DT
><A
NAME="GUC-FROM-COLLAPSE-LIMIT"
></A
><TT
CLASS="VARNAME"
>from_collapse_limit</TT
> (<TT
CLASS="TYPE"
>integer</TT
>)</DT
><DD
><P
>        The planner will merge sub-queries into upper queries if