u

src/sql/purge.js

@@ -34,12 +34,19 @@ export const TABLES = [
 
 export const PROCEDURES = ['getnextnumberwithprefixandpadding'];
 
+/** Drop before tables — breaks company ↔ customergroup cycle for purge. */
+export const CONSTRAINTS = [
+  `IF EXISTS (SELECT 1 FROM sys.foreign_keys WHERE name = N'FK_company_poscustomergroup')
+    ALTER TABLE company DROP CONSTRAINT FK_company_poscustomergroup;`,
+];
+
 export function buildPurgeSql() {
   const drops = [
     ...PROCEDURES.map(
       (name) =>
         `IF OBJECT_ID(N'dbo.${name}', N'P') IS NOT NULL DROP PROCEDURE dbo.[${name}];`,
     ),
+    ...CONSTRAINTS,
     ...TABLES.map(
       (name) =>
         `IF OBJECT_ID(N'dbo.${name}', N'U') IS NOT NULL DROP TABLE dbo.[${name}];`,