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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-9444) Add full SQL support for Avro formats
Date Fri, 03 Aug 2018 07:56:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-9444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16567919#comment-16567919
] 

ASF GitHub Bot commented on FLINK-9444:
---------------------------------------

tragicjun commented on issue #6082: [FLINK-9444][table] KafkaAvroTableSource failed to work
for map and array fields
URL: https://github.com/apache/flink/pull/6082#issuecomment-410175862
 
 
   @twalthr it solves my issue as well, good job!

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> Add full SQL support for Avro formats
> -------------------------------------
>
>                 Key: FLINK-9444
>                 URL: https://issues.apache.org/jira/browse/FLINK-9444
>             Project: Flink
>          Issue Type: Bug
>          Components: Kafka Connector, Table API &amp; SQL
>    Affects Versions: 1.6.0
>            Reporter: Jun Zhang
>            Assignee: Jun Zhang
>            Priority: Blocker
>              Labels: patch, pull-request-available
>             Fix For: 1.6.0
>
>         Attachments: flink-9444.patch
>
>
> When some Avro schema has map/array fields and the corresponding TableSchema declares *MapTypeInfo/ListTypeInfo* for
these fields, an exception will be thrown when registering the *KafkaAvroTableSource*, complaining
like:
> Exception in thread "main" org.apache.flink.table.api.ValidationException: Type Map<String,
Integer> of table field 'event' does not match with type GenericType<java.util.Map>
of the field 'event' of the TableSource return type.
>  at org.apache.flink.table.api.ValidationException$.apply(exceptions.scala:74)
>  at org.apache.flink.table.sources.TableSourceUtil$$anonfun$validateTableSource$1.apply(TableSourceUtil.scala:92)
>  at org.apache.flink.table.sources.TableSourceUtil$$anonfun$validateTableSource$1.apply(TableSourceUtil.scala:71)
>  at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
>  at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186)
>  at org.apache.flink.table.sources.TableSourceUtil$.validateTableSource(TableSourceUtil.scala:71)
>  at org.apache.flink.table.plan.schema.StreamTableSourceTable.<init>(StreamTableSourceTable.scala:33)
>  at org.apache.flink.table.api.StreamTableEnvironment.registerTableSourceInternal(StreamTableEnvironment.scala:124)
>  at org.apache.flink.table.api.TableEnvironment.registerTableSource(TableEnvironment.scala:438)



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