install a basic earth distance computing

as an Npgsql extension
8 years ago · 1882138e61
parent 3205d8e785
commit 1882138e61
1 changed files with 6 additions and 0 deletions
--- a/Yavsc/contrib/install_earth.sql
+++ b/Yavsc/contrib/install_earth.sql
@ -0,0 +1,6 @@
+SELECT version();
+CREATE EXTENSION "cube"; -- you will not be able install "earthdistance" w/o "cube" extension
+CREATE EXTENSION "earthdistance"; --or any other extension you need
+create extension earthdistance;
+select earth();
+select earth_distance(ll_to_earth(12.4,2.0),ll_to_earth(12.456,2.8043)); -- 87km