u

src/providers/mssql/schema.js

@@ -646,6 +646,12 @@ BEGIN
         CONSTRAINT FK_manifest_entity FOREIGN KEY (entity_id) REFERENCES entity(id) ON DELETE NO ACTION
     );
 END
+
+IF NOT EXISTS (SELECT * FROM sys.indexes WHERE name = 'UQ_manifest_company_type_number' AND object_id = OBJECT_ID('manifest'))
+BEGIN
+    CREATE UNIQUE NONCLUSTERED INDEX UQ_manifest_company_type_number
+    ON manifest (company_id, [type], [number]);
+END
 `;
 
 export const INIT_MANIFESTARTICLE = `

src/providers/sqlite3/schema.js

@@ -432,6 +432,8 @@ CREATE TABLE IF NOT EXISTS manifest (
     FOREIGN KEY (company_id) REFERENCES company(id) ON DELETE NO ACTION,
     FOREIGN KEY (entity_id) REFERENCES entity(id) ON DELETE NO ACTION
 );
+CREATE UNIQUE INDEX IF NOT EXISTS UQ_manifest_company_type_number
+    ON manifest (company_id, "type", "number");
 `;
 
 export const INIT_MANIFESTARTICLE = `