}

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" {
		t.Fatalf("parse alias sql error: %s not equal %s", exp.selectAST.Expression.Expressions[2].As, err)
	}

}

// preSignValues data type represents structured form of AWS Signature V4 query string.
type preSignValues struct {
	signValues
	Date    time.Time
	Expires time.Duration
}

// Parses signature version '4' query string of the following form.
//
//	querystring = X-Amz-Algorithm=algorithm
//	querystring += &X-Amz-Credential= urlencode(accessKey + '/' + credential_scope)
//	querystring += &X-Amz-Date=date

        createFilterChain();
    }

    public Query parse(final String query) {
        return filterChain.parse(query);
    }

    protected org.apache.lucene.queryparser.classic.QueryParser createQueryParser() {
        final LuceneQueryParser parser = new LuceneQueryParser(defaultField, analyzer);
        parser.setAllowLeadingWildcard(allowLeadingWildcard);
        parser.setDefaultOperator(defaultOperator);
        return parser;

     *
     * @param parser
     *            プロパティを設定する{@link SAXParser}。{@literal null}であってはいけません
     * @param name
     *            設定されるプロパティの名前。{@literal null}や空文字列であってはいけません
     * @param value
     *            設定されるプロパティの値
     */
    public static void setProperty(final SAXParser parser, final String name, final String value) {
        assertArgumentNotNull("parser", parser);

        ComponentUtil.register(new SystemHelper(), "systemHelper");
    }

    public void test_parse() throws IOException {
        GsaConfigParser parser = new GsaConfigParser();
        try (InputStream is = ResourceUtil.getResourceAsStream("data/gsaconfig.xml")) {
            parser.parse(new InputSource(is));
        }
        parser.getWebConfig().ifPresent(c -> {
            System.out.println(c.toString());

            XMLStreamReader parser = new WstxInputFactory().createXMLStreamReader(is);
            if (parser.nextTag() == XMLStreamReader.START_ELEMENT
                    && parser.getLocalName().equals("project")) {
                for (int i = 0; i < parser.getAttributeCount(); i++) {
                    if ("root".equals(parser.getAttributeLocalName(i))) {

        SAXParserFactoryUtil.setXIncludeAware(spf, true);
        spf.setNamespaceAware(true);
        final SAXParser parser = SAXParserFactoryUtil.newSAXParser(spf);

        final InputSource is = new InputSource(ResourceUtil.getResourceAsStream("org/codelibs/core/xml/include.xml"));
        is.setSystemId("include.xml");
        parser.parse(is, new DefaultHandler() {

            @Override

    private static final ObjectParser<StoredLtrQueryBuilder, Void> PARSER;

    static {
        PARSER = new ObjectParser<>(NAME);
        PARSER.declareString(StoredLtrQueryBuilder::modelName, MODEL_NAME);
        PARSER.declareString(StoredLtrQueryBuilder::featureSetName, FEATURESET_NAME);
        PARSER.declareString(StoredLtrQueryBuilder::storeName, STORE_NAME);

	Name6        int64  `gorm:"index:profile,comment:hello \\, world,where:age > 10"`
	Age          int64  `gorm:"index:profile,expression:ABS(age),option:WITH PARSER parser_name"`
	OID          int64  `gorm:"index:idx_id;index:idx_oid,unique"`
	MemberNumber string `gorm:"index:idx_id,priority:1"`
	Name7        string `gorm:"index:type"`

	Where   string
	Comment string
	Option  string        // WITH PARSER parser_name
	Fields  []IndexOption // Note: IndexOption's Field maybe the same
}

type IndexOption struct {
	*Field
	Expression string
	Sort       string // DESC, ASC
	Collate    string
	Length     int
	priority   int
}

// ParseIndexes parse schema indexes
func (schema *Schema) ParseIndexes() map[string]Index {