hema@</TT
>.  The <TT
CLASS="LITERAL"
>@extschema@</TT
>
       substitution mechanism is available in this case too, although it is
       of limited use since the schema name is determined by the control file.
      </P
></LI
></UL
><P
>     In all cases, the script file will be executed with
     <A
HREF="runtime-config-client.html#GUC-SEARCH-PATH"
>search_path</A
> initially set to point to the target
     schema; that is, <TT
CLASS="COMMAND"
>CREATE EXTENSION</TT
> does the equivalent of
     this:
</P