1CREATE TABLE memos (
2  id integer,
3  content text
4);
5INSERT INTO memos VALUES (1, 'PostgreSQL is a RDBMS');
6INSERT INTO memos VALUES (2, 'Groonga is fast full text search engine');
7INSERT INTO memos VALUES (3, 'PGroonga is a PostgreSQL extension that uses Groonga');
8INSERT INTO memos VALUES (4, 'groonga command is provided');
9CREATE INDEX grnindex ON memos USING pgroonga (content pgroonga.text_regexp_ops);
10SET enable_seqscan = off;
11SET enable_indexscan = off;
12SET enable_bitmapscan = on;
13SELECT id, content
14  FROM memos
15 WHERE content LIKE '%Groonga';
16 id |                       content
17----+------------------------------------------------------
18  3 | PGroonga is a PostgreSQL extension that uses Groonga
19(1 row)
20
21DROP TABLE memos;
22