liunancun opened a new issue #2192: Tip Must have sharding column with subquery error URL: https://github.com/apache/incubator-shardingsphere/issues/2192 sharding version: `<dependency> <groupId>io.shardingsphere</groupId> <artifactId>sharding-jdbc-spring-boot-starter</artifactId> <version>3.1.0</version> </dependency>` application.properties config: `sharding.jdbc.datasource.names=master,seller sharding.jdbc.datasource.master.type=com.alibaba.druid.pool.DruidDataSource sharding.jdbc.datasource.master.url=jdbc:mysql://192.168.99.214:3306/bessky_one?useSSL=false sharding.jdbc.datasource.master.username=bessky_pss sharding.jdbc.datasource.master.password=20092009 sharding.jdbc.datasource.seller.type=com.alibaba.druid.pool.DruidDataSource sharding.jdbc.datasource.seller.url=jdbc:mysql://192.168.99.214:3306/bessky_two?useSSL=false sharding.jdbc.datasource.seller.username=bessky_pss sharding.jdbc.datasource.seller.password=20092009 sharding.jdbc.config.sharding.default-data-source-name=master sharding.jdbc.config.sharding.tables.t_two.actual-data-nodes=seller.t_two` Execute SQL: `select * from (select id from t_two) two` Error message: `java.lang.IllegalStateException: Must have sharding column with subquery. at com.google.common.base.Preconditions.checkState(Preconditions.java:173) ~[guava-18.0.jar:na] at io.shardingsphere.core.routing.router.sharding.ParsingSQLRouter.mergeShardingValueForSubQuery(ParsingSQLRouter.java:154) ~[sharding-core-3.1.0.jar:na] at io.shardingsphere.core.routing.router.sharding.ParsingSQLRouter.route(ParsingSQLRouter.java:100) ~[sharding-core-3.1.0.jar:na] at io.shardingsphere.core.routing.StatementRoutingEngine.route(StatementRoutingEngine.java:55) ~[sharding-core-3.1.0.jar:na] at io.shardingsphere.shardingjdbc.jdbc.core.statement.ShardingStatement.sqlRoute(ShardingStatement.java:247) ~[sharding-jdbc-core-3.1.0.jar:na] at io.shardingsphere.shardingjdbc.jdbc.core.statement.ShardingStatement.executeQuery(ShardingStatement.java:89) ~[sharding-jdbc-core-3.1.0.jar:na] at org.springframework.jdbc.core.JdbcTemplate$1QueryStatementCallback.doInStatement(JdbcTemplate.java:438) ~[spring-jdbc-5.1.6.RELEASE.jar:5.1.6.RELEASE] at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:375) ~[spring-jdbc-5.1.6.RELEASE.jar:5.1.6.RELEASE]`
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