Steps to install the pg_similarity extension into Postgres
Published on 7/28/2014
The pg_similarity extension lets you run a variety of similarity functions, such as Jaro Winkler, in Postgres.
In your shell:
cd /usr/local/src
git clone https://github.com/eulerto/pg_similarity.git
cd pg_similarity
export USE_PGXS=1
make
make install
In Postgres:
create extension pg_similarity;
Test it out:
select jarowinkler('acme, inc', 'acme incorporated');
Output
| jarowinkler double precision | |
|---|---|
| 1 | 0.871895424836601 |