apache
[Bug] 多设备查询最新值报错
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Version
1.0.1
Describe the bug and provide the minimal reproduce step
查询多设备最新值
select last 进水COD, 11, CO2, 水管流速, 膜产水状态, 功能码, TJCTSB1_Manual_start, TJCTSB1_Manual_stop, JCS_In_TN from root.ln_1.tb_6340, root.ln_1.tb_0014, root.ln_1.tb_6141
What did you expect to see?
正确结果
What did you see instead?
Msg: 301: null 2023-03-17 16:05:46,526 [Query-Worker-Thread-11$20230317_080546_52613_1.1.0] WARN o.a.i.d.m.e.s.AbstractDriverThread:80 - [ExecuteFailed] java.lang.NullPointerException: null at org.apache.iotdb.db.mpp.execution.operator.process.last.LastQueryUtil.appendLastValue(LastQueryUtil.java:108) at org.apache.iotdb.db.mpp.execution.operator.process.last.LastQueryMergeOperator.next(LastQueryMergeOperator.java:171) at org.apache.iotdb.db.mpp.execution.driver.Driver.processInternal(Driver.java:193) at org.apache.iotdb.db.mpp.execution.driver.Driver.lambda$processFor$1(Driver.java:131) at org.apache.iotdb.db.mpp.execution.driver.Driver.tryWithLock(Driver.java:277) at org.apache.iotdb.db.mpp.execution.driver.Driver.processFor(Driver.java:112) at org.apache.iotdb.db.mpp.execution.schedule.DriverTaskThread.execute(DriverTaskThread.java:64) at org.apache.iotdb.db.mpp.execution.schedule.AbstractDriverThread.run(AbstractDriverThread.java:74) 2023-03-17 16:05:46,527 [pool-30-IoTDB-ClientRPC-Processor-6] WARN o.a.i.d.u.ErrorHandlingUtils:90 - Status code: 301, Query Statement: "select last 进水COD, CO2, 水管流速, 膜产水状态, 功能码, TJCTSB1_Manual_start, TJCTSB1_Manual_stop, JCS_In_TN from root.ln_1.tb_6340, root.ln_1.tb_0014, root.ln_1.tb_6141". executeStatement failed org.apache.iotdb.commons.exception.IoTDBException: java.lang.NullPointerException at org.apache.iotdb.db.mpp.plan.execution.QueryExecution.dealWithException(QueryExecution.java:428) at org.apache.iotdb.db.mpp.plan.execution.QueryExecution.getResult(QueryExecution.java:411) at org.apache.iotdb.db.mpp.plan.execution.QueryExecution.getByteBufferBatchResult(QueryExecution.java:446) at org.apache.iotdb.db.utils.QueryDataSetUtils.convertQueryResultByFetchSize(QueryDataSetUtils.java:387) at org.apache.iotdb.db.service.thrift.impl.ClientRPCServiceImpl.lambda$static$0(ClientRPCServiceImpl.java:162) at org.apache.iotdb.db.service.thrift.impl.ClientRPCServiceImpl.executeStatementInternal(ClientRPCServiceImpl.java:240) at org.apache.iotdb.db.service.thrift.impl.ClientRPCServiceImpl.executeStatementV2(ClientRPCServiceImpl.java:398) at org.apache.iotdb.service.rpc.thrift.IClientRPCService$Processor$executeStatementV2.getResult(IClientRPCService.java:3509) at org.apache.iotdb.service.rpc.thrift.IClientRPCService$Processor$executeStatementV2.getResult(IClientRPCService.java:3489) at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:38) at org.apache.iotdb.db.service.thrift.ProcessorWithMetrics.process(ProcessorWithMetrics.java:64) at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:248) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834) Caused by: java.lang.NullPointerException: null at org.apache.iotdb.db.mpp.execution.operator.process.last.LastQueryUtil.appendLastValue(LastQueryUtil.java:108) at org.apache.iotdb.db.mpp.execution.operator.process.last.LastQueryMergeOperator.next(LastQueryMergeOperator.java:171) at org.apache.iotdb.db.mpp.execution.driver.Driver.processInternal(Driver.java:193) at org.apache.iotdb.db.mpp.execution.driver.Driver.lambda$processFor$1(Driver.java:131) at org.apache.iotdb.db.mpp.execution.driver.Driver.tryWithLock(Driver.java:277) at org.apache.iotdb.db.mpp.execution.driver.Driver.processFor(Driver.java:112) at org.apache.iotdb.db.mpp.execution.schedule.DriverTaskThread.execute(DriverTaskThread.java:64) at org.apache.iotdb.db.mpp.execution.schedule.AbstractDriverThread.run(AbstractDriverThread.java:74)
Anything else?
No response
Are you willing to submit a PR?
- [ ] I'm willing to submit a PR!
