th the <TT
CLASS="COMMAND"
>ALTER EXTENSION SET SCHEMA</TT
>
       command, which automatically renames all the member objects into
       the new schema.  Normally, this is only possible if the extension
       contains no internal assumptions about what schema any of its
       objects are in.  Also, the extension's objects must all be in one
       schema to begin with (ignoring objects that do not belong to any
       schema, such as procedural languages).  Mark a fully relocatable
       extension by 