CREATE TABLE keywords (
keyword text
);
INSERT INTO keywords VALUES ('Mroonga');
INSERT INTO keywords VALUES ('Groonga');
SELECT mroonga_highlight_html('Mroonga is the Groonga based storage engine.',
keyword) AS highlighted
FROM keywords;
highlighted
<span class="keyword">Mroonga</span> is the Groonga based storage engine.
Mroonga is the <span class="keyword">Groonga</span> based storage engine.
