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From "Shixiong Zhu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-20597) KafkaSourceProvider falls back on path as synonym for topic
Date Tue, 30 May 2017 18:03:04 GMT

     [ https://issues.apache.org/jira/browse/SPARK-20597?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Shixiong Zhu updated SPARK-20597:
---------------------------------
    Labels: starter  (was: )

> KafkaSourceProvider falls back on path as synonym for topic
> -----------------------------------------------------------
>
>                 Key: SPARK-20597
>                 URL: https://issues.apache.org/jira/browse/SPARK-20597
>             Project: Spark
>          Issue Type: Improvement
>          Components: Structured Streaming
>    Affects Versions: 2.2.0
>            Reporter: Jacek Laskowski
>            Priority: Trivial
>              Labels: starter
>
> # {{KafkaSourceProvider}} supports {{topic}} option that sets the Kafka topic to save
a DataFrame's rows to
> # {{KafkaSourceProvider}} can use {{topic}} column to assign rows to Kafka topics for
writing
> What seems a quite interesting option is to support {{start(path: String)}} as the least
precedence option in which {{path}} would designate the default topic when no other options
are used.
> {code}
> df.writeStream.format("kafka").start("topic")
> {code}
> See http://apache-spark-developers-list.1001551.n3.nabble.com/KafkaSourceProvider-Why-topic-option-and-column-without-reverting-to-path-as-the-least-priority-td21458.html
for discussion



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