include_contents 参数用于同时搜索 XML 标记值和 XML 标记名称。
<book> <title>Graph Theory</title> <author>Stewart</author> <date>January 14, 2006</date> </book>
CREATE INDEX book_bts ON books(xml_data bts_lvarchar_ops) USING bts(all_xmltags="yes",include_contents="yes") IN bts_sbspace;
title:graph theory author:stewart date:january 14, 2006 contents:<book> <title>Graph Theory</title> <author>Stewart</author> <date>January 14, 2006</date> </book>