}
	// 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" {

`,
			totalFields: 308*2 + 1,
		}, {
			file:            "nyc-taxi-data-noheader-100k.csv",
			recordDelimiter: "\n",
			fieldDelimiter:  ",",
			header:          false,

		wantErr    bool
	}{
		{
			name:  "select-all",
			input: testInput,
			query: ``,
			// Since we are doing offset, no headers are used.
			wantResult: `{"_1":"2","_2":"2017-01-02T03:04Z","_3":"-5","_4":" 0.765111","_5":""}`,
			requestXML: []byte(`<?xml version="1.0" encoding="UTF-8"?>
<SelectObjectContentRequest>
    <Expression>SELECT * from s3object AS s</Expression>
    <ExpressionType>SQL</ExpressionType>