Merge branch 'b-3.6.1' of ../kivitendo-erp_20220811

[kivitendo-erp.git] / sql / Pg-upgrade2 / prices_unique.sql

diff --git a/sql/Pg-upgrade2/prices_unique.sql b/sql/Pg-upgrade2/prices_unique.sql
new file mode 100644 (file)
index 0000000..f086283
--- /dev/null
+++ b/sql/Pg-upgrade2/prices_unique.sql
@@ -0,0 +1,9 @@
+-- @tag: prices_unique
+-- @description: DB-Constraint - nur ein Preis pro Artikel pro Preisgruppe
+-- @depends: release_3_4_1
+
+-- it would be easier to just have a composite primary key on parts_id and
+-- pricegroup_id, but that would need some code refactoring
+ALTER TABLE prices ADD CONSTRAINT parts_id_pricegroup_id_unique UNIQUE (parts_id, pricegroup_id);
+ALTER TABLE prices ALTER COLUMN parts_id SET NOT NULL;
+ALTER TABLE prices ALTER COLUMN pricegroup_id SET NOT NULL;