How to programmatically specifying schema for DataFrame in Spark?

Question 1

Question 2

valschemaMap = List(“id”,”name”,”salary”).map(field =>StructField(field,StringType,true))

val schema = StructType(schemaMap)

rajeshsharma · Answer 1 · 2020-03-09T05:16:10+0000

valschemaMap = List(“id”,”name”,”salary”).map(field =>StructField(field,StringType,true))

val schema = StructType(schemaMap)

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