sql server error handling approach idea

sql_server/error_handling.sql

@@ -0,0 +1,33 @@
+CREATE PROC RLARP.TEST AS
+
+BEGIN
+    PRINT 'Hi';                             --non-erroring statement
+    create table #temp(x varchar(255));     --create a permanent object to call outside block after error
+    insert into #temp select 1/0;
+    insert into #temp select 'hi';          --fill it after error
+    --select * from #temp;                    --select it after error
+    PRINT ERROR_MESSAGE();                  --error message is gone
+
+END;
+
+begin transaction x
+declare @e int;
+DECLARE @em varchar(max);
+begin try
+    EXEC RLARP.TEST;
+end TRY
+begin CATCH
+    select @e = ERROR_NUMBER(), @em = ERROR_MESSAGE();
+    if @e <> 0
+    BEGIN
+        rollback transaction x;
+        print @em;
+    END
+    if @e = 0 
+    BEGIN
+        commit transaction x;
+        print 'ok';
+    end
+end catch
+
+SELECT * FROM #temp