Initial commit

sqlscripts/functions/function-does_product_exist_with_name.sql

@@ -0,0 +1,19 @@
+USE [Database]
+
+IF OBJECT_ID('[Functions].[does_product_exist_with_name]') IS NOT NULL
+  DROP FUNCTION [Functions].[does_product_exist_with_name];
+GO
+CREATE FUNCTION [Functions].[does_product_exist_with_name](
+  @name AS NVARCHAR(128)
+)
+RETURNS BIT
+AS
+BEGIN
+  IF EXISTS (
+    SELECT *
+    FROM [Tables].[products]
+    WHERE [name] = @name
+  )
+    RETURN CAST(1 AS BIT);
+  RETURN CAST(0 AS BIT);
+END