1CREATE SCHEMA lucifer;
2CREATE TABLE lucifer.lucifer(id int, body text, title text, last_mod_date date);
3INSERT INTO lucifer.lucifer VALUES(1, 'China, officially the People''s Republic of China(PRC), located in Asia, is the world''s most populous state.', 'China', '2010-1-1'),(2, 'America is a rock band, formed in England in 1970 by multi-instrumentalists Dewey Bunnell, Dan Peek, and Gerry Beckley.', 'America', '2010-1-1'),(3, 'England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west.', 'England','2010-1-1');
4
5SELECT id, body, title FROM lucifer.lucifer WHERE to_tsvector(body) @@ to_tsquery('america');
6SELECT title FROM lucifer.lucifer WHERE to_tsvector(title || ' ' || body) @@ to_tsquery('china & asia');