執(zhí)行update批量更新時(shí)報(bào)錯(cuò)

在使用Mybatis 批量更新時(shí)

想要批量更新時(shí)通常在mapper中這么寫：

定義Mapper  Dao接口中定義

最后在service中調(diào)用

生成的sql直接放到mysql中運(yùn)行完全沒(méi)有問(wèn)題，但是mybatis執(zhí)行的時(shí)候卻會(huì)報(bào)錯(cuò)：

<span style="color:#ff0000;">八月 29, 2016 4:17:08 下午 org.apache.catalina.core.StandardWrapperValve invoke
嚴(yán)重: Servlet.service() for servlet [springMVC] in context with path [/yihg-travel-api] threw exception [Request processing failed; nested exception is org.springframework.jdbc.BadSqlGrammarException: 
### Error updating database.  Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'update assistant_group_guide
             SET guide_name = '陳玉梅（華1）',
                gui' at line 15
### The error may involve com.yihg.travel.api.dao.AssistantGroupGuideMapper.updateByGuideGroupId-Inline
### The error occurred while setting parameters
### SQL: update assistant_group_guide     SET guide_name = ?,     guide_certificate_no = ?,     guide_license_no = ?,     guide_mobile = ?,          guide_photo = ?,     driver_id = ?,     driver_name = ?,           driver_license_car = ?,          driver_mobile = ?,           driver_photo = ?,          state = ?     where group_id = ? and guide_id = ?    ;     update assistant_group_guide     SET guide_name = ?,     guide_certificate_no = ?,     guide_license_no = ?,     guide_mobile = ?,          guide_photo = ?,     driver_id = ?,     driver_name = ?,           driver_license_car = ?,          driver_mobile = ?,           driver_photo = ?,          state = ?     where group_id = ? and guide_id = ?
### Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'update assistant_group_guide
             SET guide_name = '陳玉梅（華1）',
                gui' at line 15
; bad SQL grammar []; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'update assistant_group_guide
             SET guide_name = '陳玉梅（華1）',
                gui' at line 15] with root cause
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'update assistant_group_guide
             SET guide_name = '陳玉梅（華1）',
                gui' at line 15
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
    at com.mysql.jdbc.Util.getInstance(Util.java:387)
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:939)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3878)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3814)
    at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478)
    at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625)
    at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551)
    at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861)
    at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1192)
    at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_execute(FilterChainImpl.java:2931)
    at com.alibaba.druid.filter.FilterEventAdapter.preparedStatement_execute(FilterEventAdapter.java:440)
    at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_execute(FilterChainImpl.java:2929)
    at com.alibaba.druid.proxy.jdbc.PreparedStatementProxyImpl.execute(PreparedStatementProxyImpl.java:131)
    at com.alibaba.druid.pool.DruidPooledPreparedStatement.execute(DruidPooledPreparedStatement.java:493)
    at org.apache.ibatis.executor.statement.PreparedStatementHandler.update(PreparedStatementHandler.java:46)
    at org.apache.ibatis.executor.statement.RoutingStatementHandler.update(RoutingStatementHandler.java:74)
    at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:50)
    at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:117)
    at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:76)
    at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:198)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:434)
    at com.sun.proxy.$Proxy18.update(Unknown Source)
    at org.mybatis.spring.SqlSessionTemplate.update(SqlSessionTemplate.java:295)
    at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:62)
    at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:53)
    at com.sun.proxy.$Proxy23.updateByGuideGroupId(Unknown Source)
    at com.yihg.travel.api.service.impl.AssistantGroupServiceImpl.findToErpGroupInfo(AssistantGroupServiceImpl.java:192)
    at com.yihg.travel.api.controller.query.AssistantGuestController.toYihgErpGroupList(AssistantGuestController.java:37)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136)
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:114)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)
    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1099)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:670)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:745)</span>

這是因?yàn)榕渲胢ysql的時(shí)候沒(méi)有開(kāi)啟批量插入，不開(kāi)啟的話只能允許操作一條sql語(yǔ)句，所以只需要修改一處即可：將properties配置文件中的數(shù)據(jù)庫(kù)連接信息URL后面添加上&allowMultiQueries=true就可以了，問(wèn)題完美解決。

如圖：

注意：請(qǐng)不要將“&”符號(hào)寫成“&amp;”

同時(shí)執(zhí)行多條sql的辦法

1、最簡(jiǎn)單的辦法：在MySQL的連接字符串中設(shè)置allowMultiQueries參數(shù)置為true。(只有MySQL Connector/J 3.1.1以上版本才支持) 。例如：在jdbc下設(shè)置連接字符串的時(shí)候設(shè)成如下的形式：

 jdbc:mysql://172.17.42.197:3306/yihg_openapi?useUnicode=true&amp;characterEncoding=utf8&allowMultiQueries=true就可以執(zhí)行多條語(yǔ)句了

在odbc下也是可以設(shè)置的，方法如下：

設(shè)置 ODBC — 配置 –Detials — Flags 3 — 鉤上 Allow multiple statements，這樣就可以了。

結(jié)論：第一種方式最簡(jiǎn)單。

2、在程序中對(duì)SQL語(yǔ)句以分號(hào)拆分成多條SQL語(yǔ)句，然后使用Statement的addBatch方法，最后executeBatch就行。

執(zhí)行update失敗問(wèn)題

今天在進(jìn)行分布式重構(gòu)項(xiàng)目的時(shí)候碰到一個(gè)問(wèn)題，在執(zhí)行sql的時(shí)候只有update不能成功，其他語(yǔ)句都可以正常執(zhí)行，報(bào)錯(cuò)如下： 版本：org.mybatis:mybatis:3.4.5 

接口：

@UpdateProvider(type = ManagerProvider.class, method = "updateManager")
int updateManager(Manager manager) throws Exception;

報(bào)錯(cuò)信息

Loading XML bean definitions from class path resource [org/springframework/jdbc/support/sql-error-codes.xml]
SQLErrorCodes loaded: [DB2, Derby, H2, HSQL, Informix, MS-SQL, MySQL, Oracle, PostgreSQL, Sybase, Hana]
org.springframework.jdbc.UncategorizedSQLException: Error getting generated key or setting result to parameter object. Cause: java.sql.SQLException: 不允許的操作; 

uncategorized SQLException for SQL []; SQL state [99999]; error code [17090]; 不允許的操作; nested exception is java.sql.SQLException: 不允許的操作

說(shuō)下原因

由于mybatis在執(zhí)行insert和update的時(shí)候都默認(rèn)生成key，然后注入，所以在執(zhí)行update的時(shí)候會(huì)報(bào)錯(cuò)。

解決辦法

在接口上增加注解 @Options(useGeneratedKeys = false)，不讓mybatis自動(dòng)注入key，問(wèn)題解決。

@UpdateProvider(type = ManagerProvider.class, method = "updateManager")
@Options() //    @Options(useGeneratedKeys = false)
int updateManager(Manager manager) throws Exception;

最后說(shuō)明一點(diǎn)，版本：org.mybatis:mybatis:3.4.4這個(gè)版本沒(méi)有此類問(wèn)題。

以上為個(gè)人經(jīng)驗(yàn)，希望能給大家一個(gè)參考，也希望大家多多支持腳本之家。

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