diff options
| -rw-r--r-- | doc/src/sgml/textsearch.sgml | 14 |
1 files changed, 1 insertions, 13 deletions
diff --git a/doc/src/sgml/textsearch.sgml b/doc/src/sgml/textsearch.sgml index 5a70d7db802..2da75955d0b 100644 --- a/doc/src/sgml/textsearch.sgml +++ b/doc/src/sgml/textsearch.sgml @@ -1290,19 +1290,7 @@ query.', <para> <function>ts_headline</> uses the original document, not a <type>tsvector</type> summary, so it can be slow and should be used with - care. A typical mistake is to call <function>ts_headline</function> for - <emphasis>every</emphasis> matching document when only ten documents are - to be shown. <acronym>SQL</acronym> subqueries can help; here is an - example: - -<programlisting> -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; -</programlisting> + care. </para> </sect2> |