Index to optimize retrieving distinct system links

eyeonus · Nov 17, 2014 · 456a866 · 456a866
1 parent a61eb84
commit 456a866
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/data/TradeDangerous.sql b/data/TradeDangerous.sql
@@ -250,7 +250,7 @@ CREATE TABLE StationLink
  ) WITHOUT ROWID
 ;
 CREATE INDEX idx_stn_dist ON StationLink (lhs_station_id, dist);
-CREATE INDEX idx_stn_sys ON StationLink (lhs_system_id, dist);
+CREATE INDEX idx_sys_dist ON StationLink (lhs_system_id, dist, rhs_system_id);
 
 CREATE VIEW vPrice AS
 	SELECT	si.station_id AS station_id,