[
https://issues.apache.org/jira/browse/FLINK-10999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16697629#comment-16697629
]
ideal-hp edited comment on FLINK-10999 at 11/24/18 6:11 AM:
------------------------------------------------------------
public static DataStream<String> getSource(StreamTableEnvironment tableEnv){
Table table = tableEnv.sqlQuery("SELECT * FROM (VALUES ('Bob'), ('Lucy')) AS
NameTable(name)");
return tableEnv.toAppendStream(table, String.class);
}
public static void run(StreamTableEnvironment tableEnv)
throws Exception
{
DataStream<String> inputStream = getSource(tableEnv);
//add proctime.proctime
Table tb1 = tableEnv.fromDataStream(inputStream, "name,proctime.proctime");
DataStream<Row> stream1 = tableEnv.toAppendStream(tb1, Row.class);
stream1.getTransformation().setOutputType(tb1.getSchema().toRowType());
//--Use rowtime.proctime here to simulate rowtime.rowtime
Table tb2 = tableEnv.fromDataStream(stream1, "name,proctime,rowtime.proctime");
tableEnv.toAppendStream(tb2, Row.class).print();
System.out.println("**************************************************");
System.out.println(tableEnv.execEnv().getExecutionPlan());
System.out.println("*********************There are no errors
here.*****************************");
//---Running directly below will start to go wrong
tableEnv.execEnv().execute();
}
was (Author: harbby):
public static DataStream<String> getSource(StreamTableEnvironment tableEnv){
Table table = tableEnv.sqlQuery("SELECT * FROM (VALUES ('Bob'),
('Lucy')) AS NameTable(name)");
return tableEnv.toAppendStream(table, String.class);
}
public static void run(StreamTableEnvironment tableEnv)
throws Exception
{
DataStream<String> inputStream = getSource(tableEnv);
//add proctime.proctime
Table tb1 = tableEnv.fromDataStream(inputStream,
"name,proctime.proctime");
DataStream<Row> stream1 = tableEnv.toAppendStream(tb1, Row.class);
stream1.getTransformation().setOutputType(tb1.getSchema().toRowType());
//--Use rowtime.proctime here to simulate rowtime.rowtime
Table tb2 = tableEnv.fromDataStream(stream1,
"name,proctime,rowtime.proctime");
tableEnv.toAppendStream(tb2, Row.class).print();
System.out.println("**************************************************");
System.out.println(tableEnv.execEnv().getExecutionPlan());
System.out.println("*********************There are no errors
here.*****************************");
//---Running directly below will start to go wrong
tableEnv.execEnv().execute();
}
> Adding time multiple times causes Runtime : java.sql.Timestamp cannot be cast
> to java.lang.Long
> -----------------------------------------------------------------------------------------------
>
> Key: FLINK-10999
> URL: https://issues.apache.org/jira/browse/FLINK-10999
> Project: Flink
> Issue Type: Bug
> Components: Table API & SQL
> Affects Versions: 1.5.5, 1.6.2
> Reporter: ideal-hp
> Priority: Major
>
> Caused by: java.lang.ClassCastException: java.sql.Timestamp cannot be cast to
> java.lang.Long
> at
> org.apache.flink.api.common.typeutils.base.LongSerializer.copy(LongSerializer.java:27)
> at
> org.apache.flink.api.java.typeutils.runtime.RowSerializer.copy(RowSerializer.java:95)
> at
> org.apache.flink.api.java.typeutils.runtime.RowSerializer.copy(RowSerializer.java:46)
> at
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.pushToOperator(OperatorChain.java:577)
> at
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:554)
> at
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:534)
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:689)
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:667)
> at
> org.apache.flink.streaming.api.operators.StreamMap.processElement(StreamMap.java:41)
> at
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.pushToOperator(OperatorChain.java:579)
> at
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:554)
> at
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:534)
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:689)
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:667)
> at
> org.apache.flink.streaming.api.operators.TimestampedCollector.collect(TimestampedCollector.java:51)
> at
> org.apache.flink.table.runtime.CRowWrappingCollector.collect(CRowWrappingCollector.scala:37)
> at
> org.apache.flink.table.runtime.CRowWrappingCollector.collect(CRowWrappingCollector.scala:28)
> at DataStreamCalcRule$15.processElement(Unknown Source)
> at
> org.apache.flink.table.runtime.CRowProcessRunner.processElement(CRowProcessRunner.scala:66)
> at
> org.apache.flink.table.runtime.CRowProcessRunner.processElement(CRowProcessRunner.scala:35)
> at
> org.apache.flink.streaming.api.operators.ProcessOperator.processElement(ProcessOperator.java:66)
> at
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.pushToOperator(OperatorChain.java:579)
> at
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:554)
> at
> org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:534)
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:689)
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:667)
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