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https://issues.apache.org/jira/browse/FLINK-8577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16700210#comment-16700210
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ASF GitHub Bot commented on FLINK-8577:
---------------------------------------
pnowojski commented on a change in pull request #6787: [FLINK-8577][table]
Implement proctime DataStream to Table upsert conversion
URL: https://github.com/apache/flink/pull/6787#discussion_r236605473
##########
File path:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/scala/DataStreamConversions.scala
##########
@@ -59,5 +59,38 @@ class DataStreamConversions[T](dataStream: DataStream[T],
inputType: TypeInforma
}
}
+ /**
+ * Converts the [[DataStream]] with upsert messages into a [[Table]] with
keys.
+ *
+ * The message will be encoded as [[Tuple2]]. The first field is a
[[Boolean]] flag, the second
Review comment:
The messages in the table will be encoded as `Tuple2`? Or the incoming
messages from the source `DataStream` are expected to be encoded as `Tuple2`?
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> Implement proctime DataStream to Table upsert conversion.
> ---------------------------------------------------------
>
> Key: FLINK-8577
> URL: https://issues.apache.org/jira/browse/FLINK-8577
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Reporter: Hequn Cheng
> Assignee: Hequn Cheng
> Priority: Major
> Labels: pull-request-available
>
> Api will looks like:
> {code:java}
> DataStream[(String, Long, Int)] input = ???
> // upsert with keyTable
> table = tEnv.upsertFromStream(input, 'a, 'b, 'c.key)
> // upsert without key -> single row tableTable
> table = tEnv.upsertFromStream(input, 'a, 'b, 'c){code}
> A simple design
> [doc|https://docs.google.com/document/d/1yMEi9xkm3pNYNmmZykbLzqtKjFVezaWe0y7Xqd0c1zE/edit?usp=sharing]
> about this subtask.
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