 if the objects have dependencies (for example, if there are
     table columns of a data type created by the extension).  The way to fix
     this situation is to create an empty extension, then use <TT
CLASS="COMMAND"
>ALTER
     EXTENSION ADD</TT
> to attach each pre-existing object to the extension,
     then finally create any new objects that are in the current extension
     version but were not in the unpackaged release.  <TT
CLASS="COMMAND"
>CREATE
     EXTENSION</TT
> supports this case with its <