The **pg_tsparser** module is the modified default text search parser from

PostgreSQL 9.6.

This module available under the same license as

[PostgreSQL](http://www.postgresql.org/about/licence/).

Typical installation procedure may look like this:

$ cd pg_tsparser

$ sudo make USE_PGXS=1 install

$ make USE_PGXS=1 installcheck

$ psql DB -c "CREATE EXTENSION pg_tsparser;"

After this you can create your own text search configuration:

CREATE TEXT SEARCH CONFIGURATION russian_ts (

PARSER = tsparser

);

COMMENT ON TEXT SEARCH CONFIGURATION russian_ts IS 'text search configuration for russian language';

ALTER TEXT SEARCH CONFIGURATION russian_ts

ADD MAPPING FOR email, file, float, host, hword_numpart, int,

numhword, numword, sfloat, uint, url, url_path, version

WITH simple;

ALTER TEXT SEARCH CONFIGURATION russian_ts

ADD MAPPING FOR asciiword, asciihword, hword_asciipart

WITH russian_stem, english_stem;

ALTER TEXT SEARCH CONFIGURATION russian_ts

ADD MAPPING FOR word, hword, hword_part

WITH russian_stem, russian_stem;