holdenk created SPARK-12300:
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Summary: 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
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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