运行spring boot项目时出现SQLSyntaxErrorException

Question

package com.rahul.flightreservation.repos;

import java.util.Date;
import java.util.List;

import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;
import org.springframework.data.repository.query.Param;

import com.rahul.flightreservation.entities.Flight;

public interface FlightRepository extends JpaRepository<Flight, Long > {

    
    @Query(value="from Flight where departureCity= :departureCity and arrivalCity= :arrivalCity and dateOfDeparture= :dateOfDeparture", nativeQuery = true)
    List<Flight> findFlights(@Param("departureCity") String from, @Param("arrivalCity") String to, @Param("dateOfDeparture")  Date departureDate);

}

飞行等级： 包 com.rahul.flightreservation.entities;

import java.sql.Timestamp;
import java.util.Date;

import javax.persistence.Column;
import javax.persistence.Entity;

@Entity
public class Flight extends AbstractEntity {
    
    private String flightNumber;
    private String operatingAirlines;
    @Column(name="Departure_City")
    private String departureCity;
    @Column(name="Arrival_City")
    private String arrivalCity;
    @Column(name="Date_of_Departure")
    private Date dateOfDeparture;
    private Timestamp estimatedDepartureTime;

    public String getFlightNumber() {
        return flightNumber;
    }

    public void setFlightNumber(String flightNumber) {
        this.flightNumber = flightNumber;
    }

    public String getOperatingAirlines() {
        return operatingAirlines;
    }

    public void setOperatingAirlines(String operatingAirlines) {
        this.operatingAirlines = operatingAirlines;
    }

    public String getDepartureCity() {
        return departureCity;
    }

    public void setDepartureCity(String departureCity) {
        this.departureCity = departureCity;
    }

    public String getArrivalCity() {
        return arrivalCity;
    }

    public void setArrivalCity(String arrivalCity) {
        this.arrivalCity = arrivalCity;
    }

    public Date getDateOfDeparture() {
        return dateOfDeparture;
    }

    public void setDateOfDeparture(Date dateOfDeparture) {
        this.dateOfDeparture = dateOfDeparture;
    }

    public Timestamp getEstimatedDepartureTime() {
        return estimatedDepartureTime;
    }

    public void setEstimatedDepartureTime(Timestamp estimatedDepartureTime) {
        this.estimatedDepartureTime = estimatedDepartureTime;
    }
    
    
    

}

表格描述：ID 航班号 OPERATING_AIRLINES 出发城市 ARRIVAL_CITY 出发日期 ESTIMATED_DEPARTURE_TIME

错误： 休眠：从航班出发城市 = ？和到达城市=？和 dateOfDeparture= ？ 2020-06-28 20:32:13.138 WARN 5744 --- [nio-8083-exec-8] o.h.engine.jdbc.spi.SqlExceptionHelper：SQL 错误：1064，SQLState：42000 2020-06-28 20:32:13.138 ERROR 5744 --- [nio-8083-exec-8] o.h.engine.jdbc.spi.SqlExceptionHelper：您的 SQL 语法有错误；检查与您的 MySQL 服务器版本相对应的手册以获取正确的语法，以便在第 1 行的 'from Flight where 出发城市 = 'AUS' 和到达城市 = 'NYC' 和 dateOfDepartur' 附近使用 2020-06-28 20:32:13.194 错误 5744 --- [nio-8083-exec-8] oaccC[.[.[.[dispatcherServlet] ：Servlet.service() 用于 servlet [dispatcherServlet] 在上下文中的路径 [ /flightreservation] 抛出异常 [请求处理失败；嵌套异常是 org.springframework.dao.InvalidDataAccessResourceUsageException: could not extract ResultSet; SQL [不适用]；嵌套异常是 org.hibernate.exception.SQLGrammarException: could not extract ResultSet] with root cause

java.sql.SQLSyntaxErrorException：您的 SQL 语法有错误；检查与您的 MySQL 服务器版本相对应的手册，以获取正确的语法，以便在第 1 行的 'from Flight where 出发城市 = 'AUS' 和到达城市 = 'NYC' 和 dateOfDepartur' 附近使用 在 com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:120) ~[mysql-connector-java-8.0.19.jar:8.0.19] 在 com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97) ~[mysql-connector-java-8.0.19.jar:8.0.19] 在 com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122) ~[mysql-connector-java-8.0.19.jar:8.0.19] 在 com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:953) ~[mysql-connector-java-8.0.19.jar:8.0.19] 在 com.mysql.cj.jdbc.ClientPreparedStatement.executeQuery(ClientPreparedStatement.java:1003) ~[mysql-connector-java-8.0.19.jar:8.0.19] 在 com.zaxxer.hikari.pool.ProxyPreparedStatement.executeQuery(ProxyPreparedStatement.java:52) ~[HikariCP-3.4.2.jar:na] 在 com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeQuery(HikariProxyPreparedStatement.java) ~[HikariCP-3.4.2.jar:na] 在 org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:57) ~[hibernate-core-5.4.12.Final.jar:5.4.12.Final] 在 org.hibernate.loader.Loader.getResultSet(Loader.java:2292) ~[hibernate-core-5.4.12.Final.jar:5.4.12.Final] 在 org.hibernate.loader.Loader.executeQueryStatement(Loader.java:2050) ~[hibernate-core-5.4.12.Final.jar:5.4.12.Final] 在 org.hibernate.loader.Loader.executeQueryStatement(Loader.java:2012) ~[hibernate-core-5.4.12.Final.jar:5.4.12.Final] 在 org.hibernate.loader.Loader.doQuery(Loader.java:953) ~[hibernate-core-5.4.12.Final.jar:5.4.12.Final] 在 org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:354) ~[hibernate-core-5.4.12.Final.jar:5.4.12.Final] 在 org.hibernate.loader.Loader.doList(Loader.java:2838) ~[hibernate-core-5.4.12.Final.jar:5.4.12.Final] 在 org.hibernate.loader.Loader.doList(Loader.java:2820) ~[hibernate-core-5.4.12.Final.jar:5.4.12.Final] 在 org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2652) ~[hibernate-core-5.4.12.Final.jar:5.4.12.Final] 在 org.hibernate.loader.Loader.list(Loader.java:2647) ~[hibernate-core-5.4.12.Final.jar:5.4.12.Final] 在 org.hibernate.loader.custom.CustomLoader.list(CustomLoader.java:338) ~[hibernate-core-5.4.12.Final.jar:5.4.12.Final] 在 org.hibernate.internal.SessionImpl.listCustomQuery(SessionImpl.java:2131) ~[hibernate-core-5.4.12.Final.jar:5.4.12.Final] 在 org.hibernate.internal.AbstractSharedSessionContract.list(AbstractSharedSessionContract.java:1163) ~[hibernate-core-5.4.12.Final.jar:5.4.12.Final] 在 org.hibernate.query.internal.NativeQueryImpl.doList(NativeQueryImpl.java:173) ~[hibernate-core-5.4.12.Final.jar:5.4.12.Final] 在 org.hibernate.query.internal.AbstractProducedQuery.list(AbstractProducedQuery.java:1530) ~[hibernate-core-5.4.12.Final.jar:5.4.12.Final] 在 org.hibernate.query.Query.getResultList(Query.java:165) ~[hibernate-core-5.4.12.Final.jar:5.4.12.Final] 在 org.springframework.data.jpa.repository.query.JpaQueryExecution$CollectionExecution.doExecute(JpaQueryExecution.java:126) ~[spring-data-jpa-2.2.6.RELEASE.jar:2.2.6.RELEASE] 在 org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:88) ~[spring-data-jpa-2.2.6.RELEASE.jar:2.2.6.RELEASE] 在 org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:154) ~[spring-data-jpa-2.2.6.RELEASE.jar:2.2.6.RELEASE] 在 org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:142) ~[spring-data-jpa-2.2.6.RELEASE.jar:2.2.6.RELEASE] 在 org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:618) ~[spring-data-commons-2.2.6.RELEASE.jar:2.2.6.RELEASE] 在 org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:605) ~[spring-data-commons-2.2.6.RELEASE.jar:2.2.6.RELEASE] 在 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:80) ~[spring-data-commons-2.2.6.RELEASE.jar:2.2.6.RELEASE] 在 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:366) ~[spring-tx-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:118) ~[spring-tx-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:139) ~[spring-tx-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:149) ~[spring-data-jpa-2.2.6.RELEASE.jar:2.2.6.RELEASE] 在 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:95) ~[spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) ~[spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 com.sun.proxy.$Proxy99.findFlights(Unknown Source) ~[na:na] 在 com.rahul.flightreservation.controller.FlightController.findFlights(FlightController.java:28) ~[classes/:na] 在 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_131] 在 sun.reflect.NativeMethodAccessorImpl.invoke（未知来源）~[na:1.8.0_131] 在 sun.reflect.DelegatingMethodAccessorImpl.invoke（未知来源）~[na:1.8.0_131] 在 java.lang.reflect.Method.invoke（未知来源）~[na:1.8.0_131] 在 org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190) ~[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138) ~[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105) ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:879) ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:793) ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040) ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943) ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909) ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 javax.servlet.http.HttpServlet.service(HttpServlet.java:660) ~[tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) ~[spring-webmvc-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 javax.servlet.http.HttpServlet.service(HttpServlet.java:741) ~[tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-9.0.33.jar:9.0.33] 在 org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) ~[spring-web-5.2.5.RELEASE.jar:5.2.5.RELEASE] 在 org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) ~[tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541) [tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) [tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) [tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) [tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) [tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:373) [tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) [tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868) [tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1594) [tomcat-embed-core-9.0.33.jar:9.0.33] 在 org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-9.0.33.jar:9.0.33] 在 java.util.concurrent.ThreadPoolExecutor.runWorker（未知来源）[na:1.8.0_131] 在 java.util.concurrent.ThreadPoolExecutor$Worker.run（未知来源）[na:1.8.0_131] 在 org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-9.0.33.jar:9.0.33] 在 java.lang.Thread.run(Unknown Source) [na:1.8.0_131]

Answer 1

首先，你是不是少了select *这里？

其次，您将其称为本机查询，但您在查询中使用Flight 实体。

如果你选择使用JPQL，那么查询应该是

select f from Flight f where f.departureCity= :departureCity and f.arrivalCity= :arrivalCity and f.dateOfDeparture= :dateOfDeparture

但是，如果您将方法重命名为

，这可以很容易地简化为使用 spring 的支持

findAllByDepartureCityAndArrivalCityAndDateOfDeparture(...)

Answer 2

用-替换你的界面

public interface FlightRepository extends JpaRepository<Flight, Long > 
List<Flight> findAllByDepartureCityAndArrivalCityAndDateOfDeparture(String departureCity, String arrivalCity,Date dateOfDeparture)