morningman opened a new pull request, #40969:
URL: https://github.com/apache/doris/pull/40969
If trigger "fetching partition in batch mode" feature, the `explain verbose`
for external table may cause NPE.
Because in batch mode, the scan range is not initialized in plan phase.
```
org.apache.doris.common.NereidsException: errCode = 2, detailMessage =
java.lang.NullPointerException
at
org.apache.doris.qe.StmtExecutor.executeByNereids(StmtExecutor.java:767)
~[doris-fe.jar:1.2-SNAPSHOT]
at org.apache.doris.qe.StmtExecutor.execute(StmtExecutor.java:591)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.qe.StmtExecutor.queryRetry(StmtExecutor.java:554)
~[doris-fe.jar:1.2-SNAPSHOT]
at org.apache.doris.qe.StmtExecutor.execute(StmtExecutor.java:544)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.qe.ConnectProcessor.executeQuery(ConnectProcessor.java:323)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.qe.ConnectProcessor.handleQuery(ConnectProcessor.java:234)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.qe.MysqlConnectProcessor.handleQuery(MysqlConnectProcessor.java:194)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.qe.MysqlConnectProcessor.dispatch(MysqlConnectProcessor.java:222)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.qe.MysqlConnectProcessor.processOnce(MysqlConnectProcessor.java:281)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.mysql.ReadListener.lambda$handleEvent$0(ReadListener.java:52)
~[doris-fe.jar:1.2-SNAPSHOT]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
~[?:?]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
~[?:?]
at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: org.apache.doris.common.AnalysisException: errCode = 2,
detailMessage = java.lang.NullPointerException
... 13 more
Caused by: java.lang.NullPointerException
at
com.google.common.base.Preconditions.checkNotNull(Preconditions.java:903)
~[guava-32.1.2-jre.jar:?]
at
com.google.common.collect.AbstractMultimap.putAll(AbstractMultimap.java:83)
~[guava-32.1.2-jre.jar:?]
at
com.google.common.collect.ArrayListMultimap.putAll(ArrayListMultimap.java:62)
~[guava-32.1.2-jre.jar:?]
at
org.apache.doris.datasource.FileScanNode.getNodeExplainString(FileScanNode.java:141)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.planner.PlanNode.getExplainString(PlanNode.java:548)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.planner.PlanFragment.getExplainString(PlanFragment.java:369)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.planner.Planner.getExplainString(Planner.java:93)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.nereids.NereidsPlanner.getExplainString(NereidsPlanner.java:627)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.nereids.trees.plans.commands.ExplainCommand.run(ExplainCommand.java:96)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.qe.StmtExecutor.executeByNereids(StmtExecutor.java:736)
~[doris-fe.jar:1.2-SNAPSHOT]
... 12 more
```
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