2026-03-11 05:00:35 +00:00
1 changed files with 1 additions and 0 deletions
--- a/database/migrations/2025_09_22_133425_create_class_characteristics_table.php
+++ b/database/migrations/2025_09_22_133425_create_class_characteristics_table.php
@@ -178,6 +178,7 @@ return new class extends Migration
                updated_by							TEXT DEFAULT NULL,
                deleted_at			                TIMESTAMP,

+                UNIQUE (gernr, plant_id),
                FOREIGN KEY (plant_id)              REFERENCES  plants (id),
                FOREIGN KEY (machine_id)            REFERENCES  machines (id),
                FOREIGN KEY (item_id)               REFERENCES  items (id)