System.Data.Entity.SqlServer.SqlServerMigrationSqlGenerator.GenerateFunctionSql C# (CSharp) Method

        private string GenerateFunctionSql(ICollection<DbModificationCommandTree> commandTrees, string rowsAffectedParameter)
        {
            DebugCheck.NotNull(commandTrees);
            Debug.Assert(commandTrees.Any());

            var functionSqlGenerator = new DmlFunctionSqlGenerator(_sqlGenerator);

            switch (commandTrees.First().CommandTreeKind)
            {
                case DbCommandTreeKind.Insert:
                    return functionSqlGenerator.GenerateInsert(commandTrees.Cast<DbInsertCommandTree>().ToList());
                case DbCommandTreeKind.Update:
                    return functionSqlGenerator.GenerateUpdate(commandTrees.Cast<DbUpdateCommandTree>().ToList(), rowsAffectedParameter);
                case DbCommandTreeKind.Delete:
                    return functionSqlGenerator.GenerateDelete(commandTrees.Cast<DbDeleteCommandTree>().ToList(), rowsAffectedParameter);
            }

            return null;
        }