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Even though Spark DataFrame/SQL APIs do not distinguish cases of column names, the columns saved into HDFS are case-sensitive!
Use Kotlin in a Scala Project
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
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Methods of a Kotlin object can be called in a Scala project by
KotlinObject.INSTANCE.methodToCall() -
You might need to provide the Kotlin standard library
kotlin-stdlib.jarin order to run …