com.alibaba.druid.sql.parser.ParserException: ERROR. pos 401, line 17, column 8, token DOT

com.alibaba.druid.sql.parser.ParserException: ERROR. pos 401, line 17, column 8, token DOT
	at com.alibaba.druid.sql.parser.SQLExprParser.primary(SQLExprParser.java:793) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.sql.dialect.oracle.parser.OracleExprParser.primary(OracleExprParser.java:462) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.sql.parser.SQLExprParser.expr(SQLExprParser.java:86) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.sql.parser.SQLExprParser.primary(SQLExprParser.java:529) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.sql.dialect.oracle.parser.OracleExprParser.primary(OracleExprParser.java:462) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.sql.parser.SQLExprParser.expr(SQLExprParser.java:86) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.sql.parser.SQLExprParser.parseSelectItem(SQLExprParser.java:3249) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.sql.parser.SQLSelectParser.parseSelectList(SQLSelectParser.java:646) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.sql.dialect.oracle.parser.OracleSelectParser.query(OracleSelectParser.java:299) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.sql.dialect.oracle.parser.OracleSelectParser.select(OracleSelectParser.java:75) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser.parseStatementList(OracleStatementParser.java:96) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.sql.parser.SQLStatementParser.parseStatementList(SQLStatementParser.java:83) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.wall.WallProvider.checkInternal(WallProvider.java:624) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.wall.WallProvider.check(WallProvider.java:578) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.wall.WallFilter.checkInternal(WallFilter.java:785) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.wall.WallFilter.connection_prepareStatement(WallFilter.java:251) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.filter.FilterChainImpl.connection_prepareStatement(FilterChainImpl.java:568) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.filter.FilterAdapter.connection_prepareStatement(FilterAdapter.java:929) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.filter.FilterEventAdapter.connection_prepareStatement(FilterEventAdapter.java:122) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.filter.FilterChainImpl.connection_prepareStatement(FilterChainImpl.java:568) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.proxy.jdbc.ConnectionProxyImpl.prepareStatement(ConnectionProxyImpl.java:342) ~[druid-1.1.10.jar:1.1.10]
	at com.alibaba.druid.pool.DruidPooledConnection.prepareStatement(DruidPooledConnection.java:349) ~[druid-1.1.10.jar:1.1.10]
	at sun.reflect.GeneratedMethodAccessor68.invoke(Unknown Source) ~[na:na]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_112]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_112]
	at org.apache.ibatis.logging.jdbc.ConnectionLogger.invoke(ConnectionLogger.java:55) ~[mybatis-3.4.6.jar:3.4.6]
	at com.sun.proxy.$Proxy121.prepareStatement(Unknown Source) ~[na:na]
	at org.apache.ibatis.executor.statement.PreparedStatementHandler.instantiateStatement(PreparedStatementHandler.java:87) ~[mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.executor.statement.BaseStatementHandler.prepare(BaseStatementHandler.java:88) ~[mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.executor.statement.RoutingStatementHandler.prepare(RoutingStatementHandler.java:59) ~[mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:85) ~[mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62) ~[mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:326) ~[mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:156) ~[mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:109) ~[mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:83) ~[mybatis-3.4.6.jar:3.4.6]
	at sun.reflect.GeneratedMethodAccessor67.invoke(Unknown Source) ~[na:na]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_112]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_112]
	at org.apache.ibatis.plugin.Invocation.proceed(Invocation.java:49) ~[mybatis-3.4.6.jar:3.4.6]
	at com.github.pagehelper.SqlUtil._processPage(SqlUtil.java:401) ~[pagehelper-4.1.3.jar:na]
	at com.github.pagehelper.SqlUtil.processPage(SqlUtil.java:374) ~[pagehelper-4.1.3.jar:na]
	at com.github.pagehelper.PageHelper.intercept(PageHelper.java:254) ~[pagehelper-4.1.3.jar:na]
	at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:61) ~[mybatis-3.4.6.jar:3.4.6]
	at com.sun.proxy.$Proxy120.query(Unknown Source) ~[na:na]
	at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:148) ~[mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:141) ~[mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:77) ~[mybatis-3.4.6.jar:3.4.6]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_112]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_112]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_112]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_112]
	at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433) ~[mybatis-spring-1.3.2.jar:1.3.2]
	at com.sun.proxy.$Proxy70.selectOne(Unknown Source) ~[na:na]
	at org.mybatis.spring.SqlSessionTemplate.selectOne(SqlSessionTemplate.java:166) ~[mybatis-spring-1.3.2.jar:1.3.2]
	at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:83) ~[mybatis-3.4.6.jar:3.4.6]
	at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:59) ~[mybatis-3.4.6.jar:3.4.6]
	at com.sun.proxy.$Proxy84.queryPerviewCase(Unknown Source) ~[na:na]
	at com.icf.consultation.service.ConsultationService.queryPerviewCase(ConsultationService.java:294) ~[classes/:na]
	at com.icf.consultation.controller.ConsultationController.perviewCase(ConsultationController.java:88) ~[classes/:na]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_112]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_112]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_112]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_112]
	at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE]
	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE]
	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE]
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE]
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE]
	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE]
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE]
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE]
	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:661) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) ~[spring-webmvc-4.3.16.RELEASE.jar:4.3.16.RELEASE]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) ~[tomcat-embed-websocket-8.5.29.jar:8.5.29]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61) ~[shiro-web-1.4.0.jar:1.4.0]
	at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108) ~[shiro-web-1.4.0.jar:1.4.0]
	at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137) ~[shiro-web-1.4.0.jar:1.4.0]
	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) ~[shiro-web-1.4.0.jar:1.4.0]
	at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66) ~[shiro-web-1.4.0.jar:1.4.0]
	at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449) ~[shiro-web-1.4.0.jar:1.4.0]
	at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365) ~[shiro-web-1.4.0.jar:1.4.0]
	at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90) ~[shiro-core-1.4.0.jar:1.4.0]
	at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83) ~[shiro-core-1.4.0.jar:1.4.0]
	at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:387) ~[shiro-core-1.4.0.jar:1.4.0]
	at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362) ~[shiro-web-1.4.0.jar:1.4.0]
	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125) ~[shiro-web-1.4.0.jar:1.4.0]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:123) ~[druid-1.1.10.jar:1.1.10]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.springframework.session.web.http.SessionRepositoryFilter.doFilterInternal(SessionRepositoryFilter.java:167) ~[spring-session-1.3.2.RELEASE.jar:na]
	at org.springframework.session.web.http.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:80) ~[spring-session-1.3.2.RELEASE.jar:na]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE]
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.16.RELEASE.jar:4.3.16.RELEASE]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) ~[tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:496) [tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) [tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) [tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) [tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) [tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803) [tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790) [tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459) [tomcat-embed-core-8.5.29.jar:8.5.29]
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-8.5.29.jar:8.5.29]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_112]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_112]
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-8.5.29.jar:8.5.29]
	at java.lang.Thread.run(Thread.java:745) [na:1.8.0_112]

token是个枚举 里面有很多类型

public enum Token {
    FOR("FOR"), 
    IF("IF"), 
    INDEX("INDEX"), 
    PRIMARY("PRIMARY"), 
    KEY("KEY"), 
    DEFAULT("DEFAULT"), 
    CONSTRAINT("CONSTRAINT"), 
    CHECK("CHECK"), 
    VIEW("VIEW"), 
    CREATE("CREATE"),
    ALTER("ALTER"), 
    DROP("DROP"), 
    TABLE("TABLE"), 
    UPDATE("UPDATE"), 
    SET("SET"), 
    SELECT("SELECT"), 
    FROM("FROM"), 
    WHERE("WHERE"), 
    ORDER("ORDER"), 
    BY("BY"),
    GROUP("GROUP"), 
    HAVING("HAVING"), 
    INSERT("INSERT"), 
    INTO("INTO"), 
    NULL("NULL"), 
    NOT("NOT"), 
    AS("AS"), 
    DELETE("DELETE"), 
    DISTINCT("DISTINCT"),
    UNIQUE("UNIQUE"), 
    FOREIGN("FOREIGN"), 
    REFERENCES("REFERENCES"), 
    ALL("ALL"), 
    UNION("UNION"), 
    INTERSECT("INTERSECT"), 
    MINUS("MINUS"),
    INNER("INNER"), 
    LEFT("LEFT"), 
    RIGHT("RIGHT"), 
    FULL("FULL"), 
    OUTER("OUTER"), 
    JOIN("JOIN"), 
    ON("ON"), 
    SCHEMA("SCHEMA"), 
    CAST("CAST"),
    COLUMN("COLUMN"),
    USE("USE"),
    DATABASE("DATABASE"),

    AND("AND"), 
    OR("OR"), 
    XOR("XOR"), 
    CASE("CASE"), 
    WHEN("WHEN"), 
    THEN("THEN"), 
    ELSE("ELSE"), 
    END("END"), 
    EXISTS("EXISTS"), 
    IN("IN"),

    NEW("NEW"), 
    ASC("ASC"), 
    DESC("DESC"), 
    IS("IS"), 
    LIKE("LIKE"), 
    ESCAPE("ESCAPE"), 
    BETWEEN("BETWEEN"), 
    VALUES("VALUES"), 
    INTERVAL("INTERVAL"),

    LOCK("LOCK"), 
    SOME("SOME"), 
    ANY("ANY"),
    TRUNCATE("TRUNCATE"),

    // mysql
    TRUE("TRUE"), 
    FALSE("FALSE"),
    LIMIT("LIMIT"),
    KILL("KILL"),
    IDENTIFIED("IDENTIFIED"),
    PASSWORD("PASSWORD"),
    DUAL("DUAL"),

    //postgresql
    WINDOW("WINDOW"),
    OFFSET("OFFSET"),
    ROW("ROW"),
    ROWS("ROWS"),
    ONLY("ONLY"),
    FIRST("FIRST"),
    NEXT("NEXT"),
    FETCH("FETCH"),
    OF("OF"),
    SHARE("SHARE"),
    NOWAIT("NOWAIT"),
    RECURSIVE("RECURSIVE"),
    TEMPORARY("TEMPORARY"),
    TEMP("TEMP"),
    UNLOGGED("UNLOGGED"),
    RESTART("RESTART"),
    IDENTITY("IDENTITY"),
    CONTINUE("CONTINUE"),
    CASCADE("CASCADE"),
    RESTRICT("RESTRICT"),
    USING("USING"),
    CURRENT("CURRENT"),
    RETURNING("RETURNING"),
    COMMENT("COMMENT"),
    OVER("OVER"),

    // oracle
    START("START"),
    PRIOR("PRIOR"),
    CONNECT("CONNECT"),
    WITH("WITH"),
    EXTRACT("EXTRACT"),
    CURSOR("CURSOR"),
    MODEL("MODEL"),
    MERGE("MERGE"),
    MATCHED("MATCHED"),
    ERRORS("ERRORS"),
    REJECT("REJECT"),
    UNLIMITED("UNLIMITED"),
    BEGIN("BEGIN"),
    EXCLUSIVE("EXCLUSIVE"),
    MODE("MODE"),
    WAIT("WAIT"),
    ADVISE("ADVISE"),
    SESSION("SESSION"),
    PROCEDURE("PROCEDURE"),
    LOCAL("LOCAL"),
    SYSDATE("SYSDATE"),
    DECLARE("DECLARE"),
    EXCEPTION("EXCEPTION"),
    GRANT("GRANT"),
    LOOP("LOOP"),
    GOTO("GOTO"),
    COMMIT("COMMIT"),
    SAVEPOINT("SAVEPOINT"),
    CROSS("CROSS"),

    // transact-sql
    TOP("TOP"),

    // hive

    EOF, 
    ERROR,
    IDENTIFIER,
    HINT,
    VARIANT,
    LITERAL_INT,
    LITERAL_FLOAT,
    LITERAL_HEX,
    LITERAL_CHARS,
    LITERAL_NCHARS,

    LITERAL_ALIAS,
    LINE_COMMENT,
    MULTI_LINE_COMMENT,

    // Oracle
    BINARY_FLOAT,
    BINARY_DOUBLE,

    LPAREN("("), 
    RPAREN(")"), 
    LBRACE("{"), 
    RBRACE("}"), 
    LBRACKET("["), 
    RBRACKET("]"), 
    SEMI(";"), 
    COMMA(","), 
    DOT("."), 
    DOTDOT(".."), 
    DOTDOTDOT("..,"), 
    EQ("="), 
    GT(">"), 
    LT("<"), 
    BANG("!"),
    TILDE("~"), 
    QUES("?"), 
    COLON(":"), 
    COLONEQ(":="), 
    EQEQ("=="), 
    LTEQ("<="), 
    LTEQGT("<=>"), 
    LTGT("<>"), 
    GTEQ(">="), 
    BANGEQ("!="), 
    BANGGT("!>"), 
    BANGLT("!<"),
    AMPAMP("&&"), 
    BARBAR("||"), 
    PLUS("+"), 
    SUB("-"), 
    STAR("*"), 
    SLASH("/"), 
    AMP("&"), 
    BAR("|"), 
    CARET("^"), 
    PERCENT("%"), 
    LTLT("<<"), 
    GTGT(">>"),
    MONKEYS_AT("@");

    public final String name;

    Token(){
        this(null);
    }

    Token(String name){
        this.name = name;
    }
}

 DOT在枚举里面是· 键盘1左边的点 所以判断可能是sql里面的别名可能是保留字段，认真检查一下