PostGIS Cookbook - Second Edition

Getting ready

1. For this recipe, make sure you have the latest GDAL, at least version 1.10, as you will use it with the ogr2ogr the OGR OSM driver (http://www.gdal.org/drv_osm.html):

      $ ogrinfo --version GDAL 2.1.2, released 2016/10/24
      $ ogrinfo --formats | grep -i osm
      -> "OSM -vector- (rov): OpenStreetMap XML and PBF"

2. As you will use PostgreSQL trigrams, install the PostgreSQL contrib package (which includes pg_trgm). The Windows EDB installer should already include this. In an Ubuntu 12.4 box, the following command will help you to do it:

      $ sudo apt-get install postgresql-contrib-9.1

3. Make sure to add the pg_trgm extension to the database:

      postgis_cookbook=# CREATE EXTENSION pg_trgm;
      CREATE EXTENSION

You will need to use some OSM ...