[GitHub] [incubator-shardingsphere] komawei opened a new issue #2754: Class ModuloShardingTableAlgorithm & ModuloShardingDatabaseAlgorithm missing in V4.0.0-RC1

[GitBox <gi...@apache.org>]

komawei opened a new issue #2754: Class ModuloShardingTableAlgorithm & ModuloShardingDatabaseAlgorithm missing in V4.0.0-RC1
URL: https://github.com/apache/incubator-shardingsphere/issues/2754
 
 
   ## Bug Report
   
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   ### Which version of ShardingSphere did you use?
   V4.0.0-RC1
   ### Which project did you use? Sharding-JDBC or Sharding-Proxy?
   Sharding-JDBC
   ### Expected behavior
   Java config example compile success.
   ### Actual behavior
   Java config example compile success due to these two file missing, ModuloShardingTableAlgorithm and ModuloShardingDatabaseAlgorithm.
   ### Reason analyze (If you can)
   [In this java config example page](https://shardingsphere.apache.org/document/current/cn/manual/sharding-jdbc/configuration/config-java/)
   , you take this code fragment below for example:
   ```
   DataSource getDataSource() throws SQLException {
           ShardingRuleConfiguration shardingRuleConfig = new ShardingRuleConfiguration();
           shardingRuleConfig.getTableRuleConfigs().add(getOrderTableRuleConfiguration());
           shardingRuleConfig.getTableRuleConfigs().add(getOrderItemTableRuleConfiguration());
           shardingRuleConfig.getBindingTableGroups().add("t_order, t_order_item");
           shardingRuleConfig.getBroadcastTables().add("t_config");
           shardingRuleConfig.setDefaultDatabaseShardingStrategyConfig(new StandardShardingStrategyConfiguration("user_id", new ModuloShardingDatabaseAlgorithm()));
           shardingRuleConfig.setDefaultTableShardingStrategyConfig(new StandardShardingStrategyConfiguration("order_id", new ModuloShardingTableAlgorithm()));
           shardingRuleConfig.setMasterSlaveRuleConfigs(getMasterSlaveRuleConfigurations());
           return ShardingDataSourceFactory.createDataSource(createDataSourceMap(), shardingRuleConfig, new HashMap<String, Object>(), new Properties());
       }
   ```
   but these two classes do not exist in the jar file. Maybe just moving these two files from legacy version can solve this issue.
   ### Steps to reproduce the behavior, such as: SQL to execute, sharding rule configuration, when exception occur etc.
   
   ### Example codes for reproduce this issue (such as a github link).
   

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