pg_polyline

Fast Google Encoded Polyline encoding & decoding for postgres

Overview

PackageVersionCategoryLicenseLanguage
pg_polyline0.0.1GISMITRust
IDExtensionBinLibLoadCreateTrustRelocSchema
1570pg_polylineNoYesNoYesYesNo-
Relatedpostgis pgrouting pg_geohash postgis_topology postgis_raster postgis_sfcgal postgis_tiger_geocoder address_standardizer

Version

TypeRepoVersionPG VerPackageDeps
EXTPIGSTY0.0.11817161514pg_polyline-
RPMPIGSTY0.0.11817161514pg_polyline_$v-
DEBPIGSTY0.0.11817161514postgresql-$v-pg-polyline-
OS / PGPG18PG17PG16PG15PG14
el8.x86_64
el8.aarch64
el9.x86_64
el9.aarch64
el10.x86_64
el10.aarch64
d12.x86_64
d12.aarch64
d13.x86_64
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
d13.aarch64
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
u22.x86_64
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
u22.aarch64
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
u24.x86_64
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
u24.aarch64
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1
PIGSTY 0.0.1

Build

You can build the RPM / DEB packages for pg_polyline using pig build:

pig build pkg pg_polyline         # build RPM / DEB packages

Install

You can install pg_polyline directly. First, make sure the PGDG and PIGSTY repositories are added and enabled:

pig repo add pgsql -u          # Add repo and update cache

Install the extension using pig or apt/yum/dnf:

pig install pg_polyline;          # Install for current active PG version
pig ext install -y pg_polyline -v 18  # PG 18
pig ext install -y pg_polyline -v 17  # PG 17
pig ext install -y pg_polyline -v 16  # PG 16
pig ext install -y pg_polyline -v 15  # PG 15
pig ext install -y pg_polyline -v 14  # PG 14
dnf install -y pg_polyline_18       # PG 18
dnf install -y pg_polyline_17       # PG 17
dnf install -y pg_polyline_16       # PG 16
dnf install -y pg_polyline_15       # PG 15
dnf install -y pg_polyline_14       # PG 14
apt install -y postgresql-18-pg-polyline   # PG 18
apt install -y postgresql-17-pg-polyline   # PG 17
apt install -y postgresql-16-pg-polyline   # PG 16
apt install -y postgresql-15-pg-polyline   # PG 15
apt install -y postgresql-14-pg-polyline   # PG 14

Create Extension:

CREATE EXTENSION pg_polyline;

Usage

pg_polyline: Google Encoded Polyline encoding & decoding for PostgreSQL

Fast Google Encoded Polyline encoding & decoding as a PostgreSQL extension. Built with pgrx.

CREATE EXTENSION pg_polyline;

-- Encode an array of points to a polyline string
SELECT polyline_encode(
  ARRAY[point(-120.2, 38.5), point(-120.95, 40.7), point(-126.453, 43.252)], 6
);
--          polyline_encode
-- ----------------------------------
--  _izlhA~rlgdF_{geC~ywl@_kwzCn`{nI

-- Decode a polyline string back to points
SELECT polyline_decode('_ibE_seK_seK_seK', 6);
--       polyline_decode
-- ---------------------------
--  {"(0.2,0.1)","(0.4,0.3)"}

The second parameter is the precision (number of decimal places).


Last Modified 2026-03-12: add pg extension catalog (95749bf)