Added an SQL View for calculating links between stars

eyeonus · Aug 25, 2014 · 0185c28 · 0185c28
1 parent 08b7c23
commit 0185c28
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/dataseed/dbdef.sql b/dataseed/dbdef.sql
@@ -152,3 +152,14 @@ CREATE TABLE
       ON DELETE CASCADE
  ) WITHOUT ROWID
 ;
+
+CREATE VIEW
+  vLink
+AS
+   SELECT   lhs.system_id AS from_system_id
+            , rhs.system_id AS to_system_id
+            , calc_distance_sq( lhs.pos_x, lhs.pos_y, lhs.pos_z
+                              , rhs.pos_x, rhs.pos_y, rhs.pos_z)
+               AS distance_sq
+     FROM   System AS lhs, System AS rhs
+;