<PRE
CLASS="SCREEN"
>SELECT plainto_tsquery('supernova star');
 plainto_tsquery
-----------------
 'sn'

SELECT to_tsvector('supernova star');
 to_tsvector
-------------
 'sn':1</PRE
><P>

    In principle, one can use <CODE
CLASS="FUNCTION"
>to_tsquery</CODE
> if you quote
    the argument:

</P><PRE
CLASS="SCREEN"
>SELECT to_tsquery('''supernova star''');
 to_tsquery
------------
 'sn'</PRE
><P>

    Notice that <TT
CLASS="LITERAL"
>supernova star</TT
> matches <TT
CLASS="LITERAL"
>supernovae
    stars</T