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Show example of ts_headline() using a configuration name.

This commit is contained in:
Bruce Momjian 2008-03-04 03:17:26 +00:00
parent d3567afffe
commit f10cd72007

View File

@ -1,4 +1,4 @@
<!-- $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 1.40.2.1 2008/03/04 03:17:26 momjian Exp $ -->
<chapter id="textsearch"> <chapter id="textsearch">
<title id="textsearch-title">Full Text Search</title> <title id="textsearch-title">Full Text Search</title>
@ -1102,7 +1102,7 @@ StartSel=&lt;b&gt;, StopSel=&lt;/b&gt;, MaxWords=35, MinWords=15, ShortWord=3, H
For example: For example:
<programlisting> <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 is to find all documents containing given query terms
and return them in order of their similarity to the and return them in order of their similarity to the
query.', to_tsquery('query &amp; similarity')); query.', to_tsquery('query &amp; similarity'));
@ -1112,7 +1112,7 @@ query.', to_tsquery('query &amp; similarity'));
and return them in order of their &lt;b&gt;similarity&lt;/b&gt; to the and return them in order of their &lt;b&gt;similarity&lt;/b&gt; to the
&lt;b&gt;query&lt;/b&gt;. &lt;b&gt;query&lt;/b&gt;.
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 is to find all documents containing given query terms
and return them in order of their similarity to the and return them in order of their similarity to the
query.', query.',
@ -1135,8 +1135,8 @@ query.',
example: example:
<programlisting> <programlisting>
SELECT id, ts_headline(body,q), rank SELECT id, ts_headline(body, q), rank
FROM (SELECT id, body, q, ts_rank_cd(ti,q) AS rank FROM (SELECT id, body, q, ts_rank_cd(ti, q) AS rank
FROM apod, to_tsquery('stars') q FROM apod, to_tsquery('stars') q
WHERE ti @@ q WHERE ti @@ q
ORDER BY rank DESC LIMIT 10) AS foo; ORDER BY rank DESC LIMIT 10) AS foo;