MySql.Data.Entity.SelectGenerator.GenerateSQL C# (CSharp) Метод

        public override string GenerateSQL(DbCommandTree tree)
        {
            DbQueryCommandTree commandTree = tree as DbQueryCommandTree;

            SqlFragment fragment = null;

            DbExpression e = commandTree.Query;
            switch (commandTree.Query.ExpressionKind)
            {
                case DbExpressionKind.Project:
                    fragment = e.Accept(this);
                    Debug.Assert(fragment is SelectStatement);
                    break;
            }

            return fragment.ToString();
        }

        public override string GenerateProcedureBody(ICollection <DbModificationCommandTree> commandTrees, string rowsAffectedParameter, string providerManifestToken)
        {
            MySqlConnection    con  = new MySqlConnection();
            MigrationStatement stmt = new MigrationStatement();

            _providerManifest = DbProviderServices.GetProviderServices(con).GetProviderManifest(providerManifestToken);

            var          cmdStr    = "";
            SqlGenerator generator = new SelectGenerator();

            foreach (var commandTree in commandTrees)
            {
                switch (commandTree.CommandTreeKind)
                {
                case DbCommandTreeKind.Insert:
                    generator = new InsertGenerator();
                    cmdStr    = generator.GenerateSQL(commandTree);
                    break;

                case DbCommandTreeKind.Delete:
                    generator = new DeleteGenerator();
                    cmdStr    = generator.GenerateSQL(commandTree);
                    break;

                case DbCommandTreeKind.Update:
                    generator = new UpdateGenerator();
                    cmdStr    = generator.GenerateSQL(commandTree);
                    break;

                case DbCommandTreeKind.Query:
                    generator = new SelectGenerator();
                    cmdStr    = generator.GenerateSQL(commandTree);
                    break;

                case DbCommandTreeKind.Function:
                    generator = new FunctionGenerator();
                    cmdStr    = generator.GenerateSQL(commandTree);
                    break;
                }
                stmt.Sql += cmdStr.Replace("dbo.", "") + ";";
            }
            return(stmt.Sql);
        }