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https://issues.apache.org/jira/browse/SPARK-12300?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Davies Liu resolved SPARK-12300.
--------------------------------
Resolution: Fixed
Fix Version/s: 1.6.0
2.0.0
Issue resolved by pull request 10275
[https://github.com/apache/spark/pull/10275]
> Fix schema inferance on local collections
> -----------------------------------------
>
> Key: SPARK-12300
> URL: https://issues.apache.org/jira/browse/SPARK-12300
> Project: Spark
> Issue Type: Bug
> Components: PySpark, SQL
> Reporter: holdenk
> Priority: Minor
> Fix For: 2.0.0, 1.6.0
>
>
> Current schema inferance for local python collections halts as soon as there
> are no NullTypes. This is different than when we specify a sampling ratio of
> 1.0 on a distributed collection. This could result in incomplete schema
> information.
> Repro:
> {code}
> input = [{"a": 1}, {"b": "coffee"}]
> df = sqlContext.createDataFrame(input)
> print df.schema
> {code}
> Discovered while looking at SPARK-2870
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