tivanli created FLINK-31007:
-------------------------------
Summary: 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 / Runtime
Affects Versions: 1.15.3, 1.15.2
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
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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