GitHub user zhangxinyu1 opened a pull request:
https://github.com/apache/spark/pull/15483
Add KafkaForeachWriter in external kafka-0.8.0 for structured streaming
module
## What changes were proposed in this pull request?
I propose a `KafkaForeachWriter.scala` in external kafka-0.8.0.
It's useful for someone who requires to write results to kafka in
structured streaming module. It can be used with `ForeachSink`, and the usage
is as below:
`val query = input.writeStream`
`.outputMode("append")`
`.foreach(new KafkaForeachWriter[Row](producerProps,
topics, input.schema)`
`.start()`
## How was this patch tested?
Unit test in `KafkaForeachWriterSuite.scala`
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zhangxinyu1/spark
feature-kafkaForeachWriter-in-external-kafka-0-8-for-structured-streaming
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15483.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #15483
----
commit 8c2022755c08828edea3ef61f35a8490d1d6af24
Author: zhangxinyu1 <[email protected]>
Date: 2016-10-11T09:15:09Z
add KafkaForeachWriter for structured streaming. It can be used with
ForeachSink
commit 1ad774919598aca5cf126c2c6e19fa618eaaa5d1
Author: zhangxinyu1 <[email protected]>
Date: 2016-10-14T10:29:33Z
Add KafkaForeachWriter to write result to kafka in structured streaming
It can be used with ForeachSink
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