Hi Spark SQL team,
I trying to explore automatic schema detection for json document. I have few
questions:
1. What should be the date format to detect the fields as date type?
2. Is automatic schema infer slower than applying specific schema?
3. At this moment I am parsing json myself using map Function and creating
schema RDD from the parsed JavaRDD. Is there any performance impact not
using inbuilt jsonFile()?

Thanks
Tridib




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