-<!-- $PostgreSQL: pgsql/doc/src/sgml/textsearch.sgml,v 1.40 2007/12/13 06:32:47 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/textsearch.sgml,v 1.41 2008/03/04 03:17:18 momjian Exp $ -->
<chapter id="textsearch">
<title id="textsearch-title">Full Text Search</title>
For example:
<programlisting>
-SELECT ts_headline('The most common type of search
+SELECT ts_headline('english', 'The most common type of search
is to find all documents containing given query terms
and return them in order of their similarity to the
query.', to_tsquery('query & similarity'));
and return them in order of their <b>similarity</b> to the
<b>query</b>.
-SELECT ts_headline('The most common type of search
+SELECT ts_headline('english', 'The most common type of search
is to find all documents containing given query terms
and return them in order of their similarity to the
query.',
example:
<programlisting>
-SELECT id, ts_headline(body,q), rank
-FROM (SELECT id, body, q, ts_rank_cd(ti,q) AS rank
+SELECT id, ts_headline(body, q), rank
+FROM (SELECT id, body, q, ts_rank_cd(ti, q) AS rank
FROM apod, to_tsquery('stars') q
WHERE ti @@ q
ORDER BY rank DESC LIMIT 10) AS foo;