branch-4.0: [fix](prune nested column) fix prune nested column maybe throw NullPointerException #60395#60444
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yiguolei merged 1 commit intobranch-4.0from Feb 3, 2026
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…interException (#60395) fix prune nested column maybe throw NullPointerException, introduced by #58370 ```sql select k1 as k2 -- can not find s.k2, we should replace k2 to k1 from ( select struct_element(s, 'k1') k1 from tbl )t ``` ``` java.lang.NullPointerException: Cannot invoke "org.apache.doris.nereids.rules.rewrite.NestedColumnPruning$DataTypeAccessTree.setAccessByPath(java.util.List, int, org.apache.doris.thrift.TAccessPathType)" because the return value of "java.util.Map.get(Object)" is null at org.apache.doris.nereids.rules.rewrite.NestedColumnPruning$DataTypeAccessTree.setAccessByPath(NestedColumnPruning.java:431) at org.apache.doris.nereids.rules.rewrite.NestedColumnPruning.pruneDataType(NestedColumnPruning.java:128) at org.apache.doris.nereids.rules.rewrite.NestedColumnPruning.rewriteRoot(NestedColumnPruning.java:86) at org.apache.doris.nereids.jobs.rewrite.CustomRewriteJob.execute(CustomRewriteJob.java:61) at org.apache.doris.nereids.jobs.executor.AbstractBatchJobExecutor.execute(AbstractBatchJobExecutor.java:167) at org.apache.doris.nereids.jobs.executor.Rewriter.lambda$execute$23(Rewriter.java:963) at org.apache.doris.nereids.util.MoreFieldsThread.keepFunctionSignature(MoreFieldsThread.java:127) at org.apache.doris.nereids.util.MoreFieldsThread.keepFunctionSignature(MoreFieldsThread.java:116) at org.apache.doris.nereids.jobs.executor.Rewriter.execute(Rewriter.java:962) at org.apache.doris.nereids.NereidsPlanner.lambda$rewrite$5(NereidsPlanner.java:434) at org.apache.doris.nereids.NereidsPlanner.keepOrShowPlanProcess(NereidsPlanner.java:1109) at org.apache.doris.nereids.NereidsPlanner.rewrite(NereidsPlanner.java:433) at org.apache.doris.nereids.NereidsPlanner.planWithoutLock(NereidsPlanner.java:297) at org.apache.doris.nereids.NereidsPlanner.planWithLock(NereidsPlanner.java:263) at org.apache.doris.nereids.NereidsPlanner.plan(NereidsPlanner.java:162) at org.apache.doris.qe.StmtExecutor.executeByNereids(StmtExecutor.java:748) at org.apache.doris.qe.StmtExecutor.execute(StmtExecutor.java:541) at org.apache.doris.qe.StmtExecutor.queryRetry(StmtExecutor.java:500) at org.apache.doris.qe.StmtExecutor.execute(StmtExecutor.java:485) at org.apache.doris.qe.ConnectProcessor.executeQuery(ConnectProcessor.java:311) at org.apache.doris.qe.ConnectProcessor.handleQuery(ConnectProcessor.java:198) at org.apache.doris.qe.MysqlConnectProcessor.handleQuery(MysqlConnectProcessor.java:231) at org.apache.doris.qe.MysqlConnectProcessor.dispatch(MysqlConnectProcessor.java:259) at org.apache.doris.qe.MysqlConnectProcessor.processOnce(MysqlConnectProcessor.java:403) at org.apache.doris.mysql.ReadListener.lambda$handleEvent$0(ReadListener.java:52) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:840) ```
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yiguolei
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Feb 3, 2026
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Cherry-picked from #60395