, or zero if none</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>amrescan</TT
></TD
><TD
><TT
CLASS="TYPE"
>regproc</TT
></TD
><TD
><TT
CLASS="LITERAL"
><A
HREF="catalog-pg-proc.html"
><TT
CLASS="STRUCTNAME"
>pg_proc</TT
></A
>.oid</TT
></TD
><TD
><SPAN
CLASS="QUOTE"
>"(Re)start index scan"</SPAN
> function</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>amendscan</TT
></TD
><TD
><TT
CLASS="TYPE"
>regproc</TT
></TD
><TD
><TT
CLASS="LITERAL"
><A
HREF="catalog-pg-proc.html"
><TT
CLASS="STRUCTNAME"
>pg_proc</TT
>