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https://issues.apache.org/jira/browse/FLINK-8853?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timo Walther reassigned FLINK-8853:
-----------------------------------
Assignee: Timo Walther
> SQL Client cannot emit query results that contain a rowtime attribute
> ---------------------------------------------------------------------
>
> Key: FLINK-8853
> URL: https://issues.apache.org/jira/browse/FLINK-8853
> Project: Flink
> Issue Type: Bug
> Components: Table API & SQL
> Affects Versions: 1.5.0
> Reporter: Fabian Hueske
> Assignee: Timo Walther
> Priority: Blocker
> Fix For: 1.5.0
>
>
> Emitting a query result that contains a rowtime attribute fails with the
> following exception:
> {code:java}
> Caused by: java.lang.ClassCastException: java.sql.Timestamp cannot be cast to
> java.lang.Long
> at
> org.apache.flink.api.common.typeutils.base.LongSerializer.serialize(LongSerializer.java:27)
> at
> org.apache.flink.api.java.typeutils.runtime.RowSerializer.serialize(RowSerializer.java:160)
> at
> org.apache.flink.api.java.typeutils.runtime.RowSerializer.serialize(RowSerializer.java:46)
> at
> org.apache.flink.api.java.typeutils.runtime.TupleSerializer.serialize(TupleSerializer.java:125)
> at
> org.apache.flink.api.java.typeutils.runtime.TupleSerializer.serialize(TupleSerializer.java:30)
> at
> org.apache.flink.streaming.experimental.CollectSink.invoke(CollectSink.java:66)
> ... 44 more{code}
> The problem is cause by the {{ResultStore}} which configures the
> {{CollectionSink}} with the field types obtained from the {{TableSchema}}.
> The type of the rowtime field is a {{TimeIndicatorType}} which is serialized
> as Long. However, in the query result it is represented as Timestamp. Hence,
> the type must be replaced by a {{SqlTimeTypeInfo<Timestamp>}}.
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