Create TSQL script for trigger TR_Product_SafetyStockLevel

Author: segovoni

samples/containers/unit-testing/tsqlt-docker/source/tr_product_safetystocklevel.sql

@@ -0,0 +1,33 @@
+-------------------------------------------------------------------------
+-- Demo:       SQL Server CI/CD                                         -
+--                                                                      -
+-- Script:     Create trigger TR_Product_SafetyStockLevel               -
+-- Author:     Sergio Govoni                                            -
+-- Notes:      --                                                       -
+-------------------------------------------------------------------------
+
+USE [AdventureWorks2017];
+GO
+
+CREATE OR ALTER TRIGGER Production.TR_Product_SafetyStockLevel
+  ON Production.Product
+AFTER INSERT AS
+BEGIN
+  /* 
+     Avoid to insert products with safety stock level lower than 10!
+  */
+  DECLARE @SafetyStockLevel SMALLINT;
+
+  SELECT
+    @SafetyStockLevel = SafetyStockLevel
+  FROM
+    inserted;
+
+  IF (@SafetyStockLevel < 10)
+  BEGIN
+    -- Error!!
+    EXEC Production.usp_Raiserror_SafetyStockLevel
+      @Message = 'Safety stock level cannot be lower than 10!';
+  END;
+END;
+GO