[jira] [Updated] (SPARK-21147) the schema of socket/rate source can not be set.
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https://issues.apache.org/jira/browse/SPARK-21147?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Shixiong Zhu updated SPARK-21147:
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Affects Version/s: 2.2.0
> the schema of socket/rate source can not be set.
>
>
> Key: SPARK-21147
> URL: https://issues.apache.org/jira/browse/SPARK-21147
> Project: Spark
> Issue Type: Bug
> Components: Structured Streaming
>Affects Versions: 2.1.0, 2.2.0
> Environment: Win7,spark 2.1.0
>Reporter: Fei Shao
>Assignee: Hyukjin Kwon
> Fix For: 2.3.0
>
>
> The schema set for DataStreamReader can not work. The code is shown as below:
> val line = ss.readStream.format("socket")
> .option("ip",xxx)
> .option("port",xxx)
> .schema( StructField("name",StringType)::StructField("area",StringType)::Nil)
> .load
> line.printSchema
> The printSchema prints:
> root
> |--value:String(nullable=true)
> According to the code, it should print the schema set by schema().
> Suggestion from Michael Armbrust:
> throw an exception saying that you can't set schema here.
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[jira] [Updated] (SPARK-21147) the schema of socket/rate source can not be set.
[
https://issues.apache.org/jira/browse/SPARK-21147?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Shixiong Zhu updated SPARK-21147:
-
Summary: the schema of socket/rate source can not be set. (was: the schema
of socket source can not be set.)
> the schema of socket/rate source can not be set.
>
>
> Key: SPARK-21147
> URL: https://issues.apache.org/jira/browse/SPARK-21147
> Project: Spark
> Issue Type: Bug
> Components: Structured Streaming
>Affects Versions: 2.1.0
> Environment: Win7,spark 2.1.0
>Reporter: Fei Shao
>
> The schema set for DataStreamReader can not work. The code is shown as below:
> val line = ss.readStream.format("socket")
> .option("ip",xxx)
> .option("port",xxx)
> .schema( StructField("name",StringType)::StructField("area",StringType)::Nil)
> .load
> line.printSchema
> The printSchema prints:
> root
> |--value:String(nullable=true)
> According to the code, it should print the schema set by schema().
> Suggestion from Michael Armbrust:
> throw an exception saying that you can't set schema here.
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