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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2022/12/29 16:05:22 UTC

[GitHub] [shardingsphere] youlongchengfeng opened a new issue, #23173: custom HintShardingAlgorithm initialize more then once when project started

youlongchengfeng opened a new issue, #23173:
URL: https://github.com/apache/shardingsphere/issues/23173

   public class MyTableHintShardingAlgorithm implements HintShardingAlgorithm<Integer> {
   
   	public Collection<String> doSharding(Collection<String> tableNames, HintShardingValue<Integer> hintShardingValue) {
   		Collection<String> result = new ArrayList<String>();
           for (String tableName : tableNames) {
               for (Integer shardingValue : hintShardingValue.getValues()) {
                   if (tableName.endsWith(shardingValue+ "")) {
                       result.add(tableName);
                   }
               }
           }
           return result;
   	}
   
   	@Override
   	public Properties getProps() {
   		// TODO Auto-generated method stub
   		return null;
   	}
   
   	@Override
   	public void init(Properties props) {
   		// TODO Auto-generated method stub
   		System.out.println("--------------------------------MyTableHintShardingAlgorithm---init------------------------");
   	}
   	
   }
   
   
   
   
    .   ____          _            __ _ _
    /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
   ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
    \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
     '  |____| .__|_| |_|_| |_\__, | / / / /
    =========|_|==============|___/=/_/_/_/
    :: Spring Boot ::        (v2.3.2.RELEASE)
   
   2022-12-29 23:53:22.700  INFO 11816 --- [           main] com.longshun.admin.MyTest                : Starting MyTest on longshun-PC with PID 11816 (started by longshun in C:\Develop\workspace\shardingTest)
   2022-12-29 23:53:22.701  INFO 11816 --- [           main] com.longshun.admin.MyTest                : No active profile set, falling back to default profiles: default
   --------------------------------MyTableHintShardingAlgorithm---init------------------------
   2022-12-29 23:53:23.520  INFO 11816 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'stringToNoneShardingStrategyConfigurationConverter' of type [org.apache.shardingsphere.spring.boot.converter.StringToNoneShardingStrategyConfigurationConverter] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
   2022-12-29 23:53:23.529  INFO 11816 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'spring.shardingsphere-org.apache.shardingsphere.spring.boot.prop.SpringBootPropertiesConfiguration' of type [org.apache.shardingsphere.spring.boot.prop.SpringBootPropertiesConfiguration] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
   2022-12-29 23:53:24.032  INFO 11816 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'org.apache.shardingsphere.spring.boot.ShardingSphereAutoConfiguration' of type [org.apache.shardingsphere.spring.boot.ShardingSphereAutoConfiguration$$EnhancerBySpringCGLIB$$7e4de5fa] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
   --------------------------------MyTableHintShardingAlgorithm---init------------------------
   2022-12-29 23:53:24.579  INFO 11816 --- [           main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Starting...
   2022-12-29 23:53:24.923  INFO 11816 --- [           main] com.zaxxer.hikari.HikariDataSource       : HikariPool-1 - Start completed.
   2022-12-29 23:53:25.189  INFO 11816 --- [           main] com.alibaba.druid.pool.DruidDataSource   : {dataSource-1} inited
   --------------------------------MyTableHintShardingAlgorithm---init------------------------
   Logging initialized using 'class org.apache.ibatis.logging.stdout.StdOutImpl' adapter.
   Parsed mapper file: 'file [C:\Develop\workspace\shardingTest\target\classes\com\longshun\admin\mapper\StudentMapper.xml]'
   
   
   
   
   is this normal?


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[GitHub] [shardingsphere] TeslaCN commented on issue #23173: custom HintShardingAlgorithm initialize more then once when project started

Posted by GitBox <gi...@apache.org>.
TeslaCN commented on issue #23173:
URL: https://github.com/apache/shardingsphere/issues/23173#issuecomment-1367679229

   Hi @youlongchengfeng 
   It's hard to answer your question without any information about your environment. Please provide us detail of your project, such as version, configuration...


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[GitHub] [shardingsphere] TeslaCN commented on issue #23173: custom HintShardingAlgorithm initialize more then once when project started

Posted by GitBox <gi...@apache.org>.
TeslaCN commented on issue #23173:
URL: https://github.com/apache/shardingsphere/issues/23173#issuecomment-1367688058

   ShardingSphere Spring modules have been deprecated and removed since 5.3.0. You may integrate ShardingSphere with Spring in a more simple way.
   https://shardingsphere.apache.org/document/current/en/user-manual/shardingsphere-jdbc/yaml-config/jdbc-driver/spring-boot/
   
   If you are interested, you may debug to figure out why it was repeatedly initialized.


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[GitHub] [shardingsphere] RaigorJiang commented on issue #23173: custom HintShardingAlgorithm initialize more then once when project started

Posted by "RaigorJiang (via GitHub)" <gi...@apache.org>.
RaigorJiang commented on issue #23173:
URL: https://github.com/apache/shardingsphere/issues/23173#issuecomment-1441488808

   @youlongchengfeng 
   I used version 5.3.1 for verification, and there is no such problem, you can try the latest version.
   
   <img width="1475" alt="image" src="https://user-images.githubusercontent.com/5668787/220876294-33cf28e6-b84e-48f6-b5a3-5da426eb3b43.png">
   


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[GitHub] [shardingsphere] youlongchengfeng commented on issue #23173: custom HintShardingAlgorithm initialize more then once when project started

Posted by GitBox <gi...@apache.org>.
youlongchengfeng commented on issue #23173:
URL: https://github.com/apache/shardingsphere/issues/23173#issuecomment-1367680219

   > Hi @youlongchengfeng It's hard to answer your question without any information about your environment. Please provide us detail of your project, such as version, configuration...
   
   i'am sorry
   
   version is shardingSphere5.2.1
   
   configuration as follows
   
   spring:
     shardingsphere:
       props:
         sql-show: true
       datasource:
         names: db1
         db1:
           driver-class-name: com.mysql.cj.jdbc.Driver
           url: jdbc:mysql://127.0.0.1:3306/hb99_gengy?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true&allowMultiQueries=true
           username: root
           password: root
           type: com.alibaba.druid.pool.DruidDataSource
       rules:
         sharding:
           sharding-algorithms:
             myHint:
               props:
                 strategy: hint
                 algorithmClassName: com.longshun.admin.shardingalgorithm.MyTableHintShardingAlgorithm
               type: CLASS_BASED
           tables:
             t_student:
               actual-data-nodes: db1.t_student0,db1.t_student1
               table-strategy:
                 hint:
                   sharding-algorithm-name: myHint


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[GitHub] [shardingsphere] RaigorJiang closed issue #23173: custom HintShardingAlgorithm initialize more then once when project started

Posted by "RaigorJiang (via GitHub)" <gi...@apache.org>.
RaigorJiang closed issue #23173: custom HintShardingAlgorithm initialize more then once when project started
URL: https://github.com/apache/shardingsphere/issues/23173


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