liruhui opened a new issue, #24918: URL: https://github.com/apache/shardingsphere/issues/24918
## 1. Official document  ## 2. version 5.3.1 ``` <dependencies> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.25</version> </dependency> <dependency> <groupId>org.apache.shardingsphere</groupId> <artifactId>shardingsphere-jdbc-core</artifactId> <version>5.3.1</version> </dependency> </dependencies> ``` ## 3. javaCode ```iava public static void main(String[] args) throws SQLException { //定义数据源 Map<String, DataSource> map = new HashMap<>(); HikariDataSource dataSource = new HikariDataSource(); dataSource.setDriverClassName(Driver.class.getName()); dataSource.setJdbcUrl("jdbc:mysql://192.168.191.164:3306/db_brand?serverTimezone=UTC"); dataSource.setUsername("root"); dataSource.setPassword("rootroot"); HikariDataSource dataSource1 = new HikariDataSource(); dataSource1.setDriverClassName(Driver.class.getName()); dataSource1.setJdbcUrl("jdbc:mysql://192.168.191.164:3307/db_brand?serverTimezone=UTC"); dataSource1.setUsername("root"); dataSource1.setPassword("rootroot"); HikariDataSource dataSource2 = new HikariDataSource(); dataSource2.setDriverClassName(Driver.class.getName()); dataSource2.setJdbcUrl("jdbc:mysql://192.168.191.164:3308/db_brand?serverTimezone=UTC"); dataSource2.setUsername("root"); dataSource2.setPassword("rootroot"); HikariDataSource dataSource3 = new HikariDataSource(); dataSource3.setDriverClassName(Driver.class.getName()); dataSource3.setJdbcUrl("jdbc:mysql://192.168.191.164:3309/db_brand?serverTimezone=UTC"); dataSource3.setUsername("root"); dataSource3.setPassword("rootroot"); map.put("write", dataSource); map.put("read_0", dataSource1); map.put("read_1", dataSource2); map.put("read_2", dataSource3); StaticReadwriteSplittingStrategyConfiguration staticConfiguration = new StaticReadwriteSplittingStrategyConfiguration( "write", Arrays.asList("read_0","read_1","read_2")); ReadwriteSplittingDataSourceRuleConfiguration configuration = new ReadwriteSplittingDataSourceRuleConfiguration( "abc",staticConfiguration,null,"myBalancer"); Map<String, AlgorithmConfiguration> loadBalancers = new HashMap<>(); // thit is here Properties prop = new Properties(); weightProp.put("transaction-read-query-strategy","FIXED_REPLICA"); loadBalancers.put("myBalancer",new AlgorithmConfiguration("RANDOM",prop)); ReadwriteSplittingRuleConfiguration readwriteSplittingRuleConfiguration = new ReadwriteSplittingRuleConfiguration(Collections.singleton(configuration),loadBalancers); Properties properties = new Properties(); properties.put("show-sql",true); DataSource abc = ShardingSphereDataSourceFactory.createDataSource(map, Collections.singleton(readwriteSplittingRuleConfiguration), properties); Connection connection = abc.getConnection(); connection.setAutoCommit(false); for (int i = 0; i < 10; i++) { ResultSet resultSet = connection.prepareStatement("select * from base_brand").executeQuery(); while (resultSet.next()){ long aLong = resultSet.getLong(1); String string = resultSet.getString(2); System.out.println(aLong+"====="+string); } System.out.println("==============================================="); } connection.commit(); connection.close(); } ``` ## 4. Test Result ``` set transaction-read-query-strategy=FIXED_REPLICA is In Transaction Randomly choose a fixed from slave nodes , but The result of my test is query from the master node every time. ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
