thod support a scan without any constraint
       for the first index column?</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>amsearcharray</TT
></TD
><TD
><TT
CLASS="TYPE"
>bool</TT
></TD
><TD
>&nbsp;</TD
><TD
>Does the access method support <TT
CLASS="LITERAL"
>ScalarArrayOpExpr</TT
> searches?</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>amsearchnulls</TT
></TD
><TD
><TT
CLASS="TYPE"
>bool</TT
></TD
><TD
>&nbsp;</TD
><TD
>Does the access method support <TT
CLASS="LITERAL"
>IS NULL</TT
>/<TT
CLASS="LITERAL