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https://issues.apache.org/jira/browse/FLINK-27539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17814568#comment-17814568
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Jane Chan commented on FLINK-27539:
-----------------------------------
Hi [~martijnvisser], this issue duplicates FLINK-20281, and I think it can be
closed now.
> support consuming update and delete changes In Windowing TVFs
> -------------------------------------------------------------
>
> Key: FLINK-27539
> URL: https://issues.apache.org/jira/browse/FLINK-27539
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / API
> Affects Versions: 1.15.0
> Reporter: hjw
> Priority: Major
>
> custom_kafka is a cdc table
> sql:
> {code:java}
> select DATE_FORMAT(window_end,'yyyy-MM-dd') as date_str,sum(money) as
> total,name
> from TABLE(CUMULATE(TABLE custom_kafka,descriptor(createtime),interval '1'
> MINUTES,interval '1' DAY ))
> where status='1'
> group by name,window_start,window_end;
> {code}
> Error
> {code:java}
> Exception in thread "main" org.apache.flink.table.api.TableException:
> StreamPhysicalWindowAggregate doesn't support consuming update and delete
> changes which is produced by node TableSourceScan(table=[[default_catalog,
> default_database, custom_kafka, watermark=[-(createtime, 5000:INTERVAL
> SECOND)]]], fields=[name, money, status, createtime, operation_ts])
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor.createNewNode(FlinkChangelogModeInferenceProgram.scala:396)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor.visit(FlinkChangelogModeInferenceProgram.scala:315)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor.visitChild(FlinkChangelogModeInferenceProgram.scala:353)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor.$anonfun$visitChildren$1(FlinkChangelogModeInferenceProgram.scala:342)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor.$anonfun$visitChildren$1$adapted(FlinkChangelogModeInferenceProgram.scala:341)
> at scala.collection.TraversableLike.$anonfun$map$1(TraversableLike.scala:233)
> at scala.collection.immutable.Range.foreach(Range.scala:155)
> at scala.collection.TraversableLike.map(TraversableLike.scala:233)
> at scala.collection.TraversableLike.map$(TraversableLike.scala:226)
> at scala.collection.AbstractTraversable.map(Traversable.scala:104)
> at
> org.apache.flink.table.planner.plan.optimize.program.FlinkChangelogModeInferenceProgram$SatisfyModifyKindSetTraitVisitor.visitChildren(FlinkChangelogModeInferenceProgram.scala:341)
> {code}
> But I found Group Window Aggregation is works when use cdc table
> {code:java}
> select DATE_FORMAT(TUMBLE_END(createtime,interval '10' MINUTES),'yyyy-MM-dd')
> as date_str,sum(money) as total,name
> from custom_kafka
> where status='1'
> group by name,TUMBLE(createtime,interval '10' MINUTES)
> {code}
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