resolve confilict

apps/edr-freight-api/src/migrations/1749800000000-AddShippingLinesCodeUniqueIndex.ts

@@ -0,0 +1,28 @@
+import { MigrationInterface, QueryRunner, TableIndex } from 'typeorm';
+
+/**
+ * shipping_lines was created without a unique index on code; seeder upserts require it.
+ */
+export class AddShippingLinesCodeUniqueIndex1749800000000 implements MigrationInterface {
+  name = 'AddShippingLinesCodeUniqueIndex1749800000000';
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    const existing = await queryRunner.query(
+      `SELECT 1 FROM pg_indexes WHERE schemaname = 'freight' AND tablename = 'shipping_lines' AND indexdef ILIKE '%UNIQUE%code%' LIMIT 1`,
+    );
+    if (existing.length === 0) {
+      await queryRunner.createIndex(
+        'freight.shipping_lines',
+        new TableIndex({
+          name: 'UQ_shipping_lines_code',
+          columnNames: ['code'],
+          isUnique: true,
+        }),
+      );
+    }
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.dropIndex('freight.shipping_lines', 'UQ_shipping_lines_code');
+  }
+}