diff backend/doc/schema/postgresql.sql @ 7005:dddf633fec05 double-precision

SCHEMA CHANGE: a < b now enforced on ranges.
author Tom Gottfried <tom.gottfried@intevation.de>
date Thu, 12 Sep 2013 21:12:59 +0200
parents 5ce6a3d7d632
children 44a9233c62eb
line wrap: on
line diff
--- a/backend/doc/schema/postgresql.sql	Thu Sep 12 19:15:07 2013 +0200
+++ b/backend/doc/schema/postgresql.sql	Thu Sep 12 21:12:59 2013 +0200
@@ -34,7 +34,8 @@
     river_id int             NOT NULL REFERENCES rivers(id) ON DELETE CASCADE,
     a        NUMERIC         NOT NULL,
     b        NUMERIC,
-    UNIQUE (river_id, a, b)
+    UNIQUE (river_id, a, b),
+    CHECK (a < b)
 );
 
 

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