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• parquet4s-core_2.12
• 2.20.0
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• MetadataWriter.scala

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com.github.mjakubowski84.parquet4s.MetadataWriter.scala Maven / Gradle / Ivy

package com.github.mjakubowski84.parquet4s

private[parquet4s] object MetadataWriter {
  val NoOp: MetadataWriter = () => Map.empty
}

private[parquet4s] trait MetadataWriter {
  def getMetadata(): Map[String, String]
}

private[parquet4s] object MetadataReader {
  val NoOp: MetadataReader = _ => {}
}
private[parquet4s] trait MetadataReader {
  def setMetadata(metadata: collection.Map[String, String]): Unit
}