wsm12138 opened a new issue, #18421: URL: https://github.com/apache/shardingsphere/issues/18421
## Bug Report **For English only**, other languages will not accept. Before report a bug, make sure you have: - Searched open and closed [GitHub issues](https://github.com/apache/shardingsphere/issues). - Read documentation: [ShardingSphere Doc](https://shardingsphere.apache.org/document/current/en/overview). Please pay attention on issues you submitted, because we maybe need more details. If no response anymore and we cannot reproduce it on current information, we will **close it**. Please answer these questions before submitting your issue. Thanks! ### Which version of ShardingSphere did you use? ``` we find java version: java8, full_version=1.8.0_131 ShardingSphere-5.1.2-SNAPSHOT Commit ID: dirty-1b77c33983198a420e974a302d2a891ca05ae664 Commit Message: Support openGauss cursor, close, move and fetch statements route and rewrite in sharding scenario (#18148) Branch: 1b77c33983198a420e974a302d2a891ca05ae664 Build time: 2022-06-02T15:58:32+0800 ``` ### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy? ShardingSphere-Proxy ### Expected behavior no errors ### Actual behavior ``` - everything you need to get the most out of using Atomikos! [INFO ] 2022-06-03 16:29:27.677 [main] o.a.s.p.v.ShardingSphereProxyVersion - Database name is `PostgreSQL`, version is `9.2.4`, database name is `test` [INFO ] 2022-06-03 16:29:27.897 [main] o.a.s.p.frontend.ShardingSphereProxy - ShardingSphere-Proxy Memory mode started successfully [ERROR] 2022-06-03 16:29:34.161 [Connection-93-ThreadExecutor] o.a.s.p.f.c.CommandExecutorTask - Exception occur: java.lang.NullPointerException: null at org.apache.shardingsphere.sharding.rule.ShardingRule.findTableRule(ShardingRule.java:398) at org.apache.shardingsphere.sharding.rule.ShardingRule.getJoinConditionTables(ShardingRule.java:803) at org.apache.shardingsphere.sharding.rule.ShardingRule.isJoinConditionContainsShardingColumns(ShardingRule.java:782) at org.apache.shardingsphere.sharding.rule.ShardingRule.isAllBindingTables(ShardingRule.java:483) at org.apache.shardingsphere.sharding.route.engine.type.ShardingRouteEngineFactory.getDQLRouteEngineForShardingTable(ShardingRouteEngineFactory.java:202) at org.apache.shardingsphere.sharding.route.engine.type.ShardingRouteEngineFactory.getDQLRoutingEngine(ShardingRouteEngineFactory.java:196) at org.apache.shardingsphere.sharding.route.engine.type.ShardingRouteEngineFactory.newInstance(ShardingRouteEngineFactory.java:102) at org.apache.shardingsphere.sharding.route.engine.ShardingSQLRouter.createRouteContext(ShardingSQLRouter.java:57) at org.apache.shardingsphere.sharding.route.engine.ShardingSQLRouter.createRouteContext(ShardingSQLRouter.java:45) at org.apache.shardingsphere.infra.route.engine.impl.PartialSQLRouteExecutor.route(PartialSQLRouteExecutor.java:68) at org.apache.shardingsphere.infra.route.engine.SQLRouteEngine.route(SQLRouteEngine.java:53) at org.apache.shardingsphere.infra.context.kernel.KernelProcessor.route(KernelProcessor.java:54) at org.apache.shardingsphere.infra.context.kernel.KernelProcessor.generateExecutionContext(KernelProcessor.java:46) at org.apache.shardingsphere.proxy.backend.communication.jdbc.JDBCDatabaseCommunicationEngine.execute(JDBCDatabaseCommunicationEngine.java:124) at org.apache.shardingsphere.proxy.frontend.postgresql.command.query.extended.JDBCPortal.bind(JDBCPortal.java:131) at org.apache.shardingsphere.proxy.frontend.postgresql.command.query.extended.bind.PostgreSQLComBindExecutor.execute(PostgreSQLComBindExecutor.java:54) at org.apache.shardingsphere.proxy.frontend.postgresql.command.query.extended.PostgreSQLAggregatedCommandExecutor.execute(PostgreSQLAggregatedCommandExecutor.java:41) at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:106) at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:76) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:748) [ERROR] 2022-06-03 16:29:34.197 [Connection-184-ThreadExecutor] o.a.s.p.f.c.CommandExecutorTask - Exception occur: java.lang.NullPointerException: null at org.apache.shardingsphere.sharding.rule.ShardingRule.findTableRule(ShardingRule.java:398) at org.apache.shardingsphere.sharding.rule.ShardingRule.getJoinConditionTables(ShardingRule.java:803) at org.apache.shardingsphere.sharding.rule.ShardingRule.isJoinConditionContainsShardingColumns(ShardingRule.java:782) at org.apache.shardingsphere.sharding.rule.ShardingRule.isAllBindingTables(ShardingRule.java:483) at org.apache.shardingsphere.sharding.route.engine.type.ShardingRouteEngineFactory.getDQLRouteEngineForShardingTable(ShardingRouteEngineFactory.java:202) at org.apache.shardingsphere.sharding.route.engine.type.ShardingRouteEngineFactory.getDQLRoutingEngine(ShardingRouteEngineFactory.java:196) at org.apache.shardingsphere.sharding.route.engine.type.ShardingRouteEngineFactory.newInstance(ShardingRouteEngineFactory.java:102) at org.apache.shardingsphere.sharding.route.engine.ShardingSQLRouter.createRouteContext(ShardingSQLRouter.java:57) ``` ### Reason analyze (If you can) My test program uses the openGauss postgres library, which contains the gaussdb schema by default. At the same time, our username is also gaussdb, which will implicitly trigger the search path logic of the underlying database. All the test tables were created in the gaussdb schema. During the pressure test, SS did not implement the search path function, and the tables were searched in the public schema by default, so an exception occurred. Maybe ShardingSphere currently does not support the search path feature now. ### Steps to reproduce the behavior, such as: SQL to execute, sharding rule configuration, when exception occur etc. #### config-sharding.yaml ``` schemaName: test dataSources: ds_0: url: jdbc:postgresql://ip:5555/postgres username: gaussdb password: connectionTimeoutMilliseconds: 30000 idleTimeoutMilliseconds: 60000 maxLifetimeMilliseconds: 1800000 maxPoolSize: 3000 minPoolSize: 1 rules: - !SHARDING bindingTables: - bmsql_warehouse, bmsql_customer - bmsql_stock, bmsql_district, bmsql_order_line defaultDatabaseStrategy: none: defaultTableStrategy: none: keyGenerators: snowflake: type: SNOWFLAKE tables: bmsql_config: actualDataNodes: ds_0.bmsql_config bmsql_warehouse: actualDataNodes: ds_0.bmsql_warehouse databaseStrategy: standard: shardingColumn: w_id shardingAlgorithmName: mod_1 bmsql_district: actualDataNodes: ds_0.bmsql_district databaseStrategy: standard: shardingColumn: d_w_id shardingAlgorithmName: mod_1 bmsql_customer: actualDataNodes: ds_0.bmsql_customer databaseStrategy: standard: shardingColumn: c_w_id shardingAlgorithmName: mod_1 ... ``` #### server.yaml ``` rules: - !AUTHORITY users: - root@%:root provider: type: ALL_PRIVILEGES_PERMITTED props: ``` ### Example codes for reproduce this issue (such as a github link). -- This is an automated message from the Apache Git Service. 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