Dean Chen created SPARK-16597:
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Summary: DataFrame DateType is written as an int(Days since epoch)
by csv writer
Key: SPARK-16597
URL: https://issues.apache.org/jira/browse/SPARK-16597
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.0.0
Reporter: Dean Chen
import java.sql.Date
case class DateClass(date: java.sql.Date)
val df = spark.createDataFrame(Seq(DateClass(new Date(1468774636000L))))
df.write.csv("test.csv")
file content is 16999, days since epoch instead of 7/17/16
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