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https://issues.apache.org/jira/browse/FLINK-31007?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
lincoln lee reassigned FLINK-31007:
-----------------------------------
Assignee: xzw0223
> The code generated by the IF function throws NullPointerException
> -----------------------------------------------------------------
>
> Key: FLINK-31007
> URL: https://issues.apache.org/jira/browse/FLINK-31007
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner, Table SQL / Runtime
> Affects Versions: 1.15.2, 1.15.3
> Environment: {code:java}
> // code placeholder
> final StreamExecutionEnvironment env =
> StreamExecutionEnvironment.getExecutionEnvironment();
> env.setParallelism(1);
> final StreamTableEnvironment tableEnv = StreamTableEnvironment.create(env);
> final DataStream<Tuple2> tab =
> env.fromCollection(Arrays.asList(
> new Tuple2<>(1L, "a_b_c"),
> new Tuple2<>(-1L, "a_b_c")));
> final Table tableA = tableEnv.fromDataStream(tab);
> tableEnv.executeSql("SELECT if(f0 = -1, '', split_index(f1, '_', 0)) as id
> FROM " + tableA)
> .print(); {code}
> Reporter: tivanli
> Assignee: xzw0223
> Priority: Major
> Attachments: StreamExecCalc$19.java, image-2023-02-10-17-20-51-619.png
>
>
> Caused by: java.lang.NullPointerException
> at StreamExecCalc$19.processElement_split1(Unknown Source)
> at StreamExecCalc$19.processElement(Unknown Source)
> at
> org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.pushToOperator(CopyingChainingOutput.java:82)
> at
> org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.collect(CopyingChainingOutput.java:57)
> at
> org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.collect(CopyingChainingOutput.java:29)
> at
> org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:56)
> at
> org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:29)
> at
> org.apache.flink.table.runtime.operators.source.InputConversionOperator.processElement(InputConversionOperator.java:128)
> at
> org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.pushToOperator(CopyingChainingOutput.java:82)
> at
> org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.collect(CopyingChainingOutput.java:57)
> at
> org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.collect(CopyingChainingOutput.java:29)
> at
> org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:56)
> at
> org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:29)
> at
> org.apache.flink.streaming.api.operators.StreamSourceContexts$ManualWatermarkContext.processAndCollect(StreamSourceContexts.java:418)
> at
> org.apache.flink.streaming.api.operators.StreamSourceContexts$WatermarkContext.collect(StreamSourceContexts.java:513)
> at
> org.apache.flink.streaming.api.operators.StreamSourceContexts$SwitchingOnClose.collect(StreamSourceContexts.java:103)
> at
> org.apache.flink.streaming.api.functions.source.FromElementsFunction.run(FromElementsFunction.java:231)
> at
> org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:110)
> at
> org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:67)
> at
> org.apache.flink.streaming.runtime.tasks.SourceStreamTask$LegacySourceFunctionThread.run(SourceStreamTask.java:332)
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