// (otherwise -1)
	limitValue int64

	// Count of rows that have been output.
	outputCount int64

	// Table alias
	tableAlias string
}

// ParseSelectStatement - parses a select query from the given string
// and analyzes it.
func ParseSelectStatement(s string) (stmt SelectStatement, err error) {
	var selectAST Select
	err = SQLParser.ParseString(s, &selectAST)
	if err != nil {
		err = errQueryParseFailure(err)

		t.Errorf("Expected 7 got %d", len(tokens))
	}
	// for i, t := range tokens {
	// 	fmt.Printf("%d: %#v\n", i, t)
	// }
}

func TestParseSelectStatement(t *testing.T) {
	exp, err := ParseSelectStatement("select _3,_1,_2 as 'mytest'  from S3object")
	if err != nil {
		t.Fatalf("parse alias sql error: %v", err)
	}
	if exp.selectAST.Expression.Expressions[2].As != "mytest" {