Postgres by BigSQL includes the PostGIS extension, version 2.2 & 2.3, a powerful open source spatial and geographic data management package. PostGIS enables mapping, distance calculations, and geometry functions such as identifying if a point is within a polygon.

Install and Enable PostGIS

Using PostGIS with BigSQL is easy, simply install the PostGIS extension via pgc command line and then enable the extension in the database you want to use PostGIS functions. First, install PostGIS for your version of Postgres. For example, to install PostGIS with PostgreSQL v9.6 run the following:

C:\Program Files\PostgreSQL>pgc install postgis23-pg96
Get:1 postgis23-pg96-2.3.0-win64
  Unpacking postgis23-pg96-2.3.0-win64.tar.bz2

Then create the postgis extension. To do this in psql, connect to your database and run the following:

mydb=# create extension postgis;
mydb=# select st_distance_sphere(st_makepoint(-74.408934, 40.469244),st_makepoint(78.422142, 17.426312));
(1 row)


First, we enabled PostGIS in the database by running "CREATE EXTENSION". Then, we used one of the PostGIS distance functions to calculate the distance between two cities on the planet.

Learn More

To learn more about PostGIS, please visit the PostGIS website.

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