case class WriterBucketSpec(bucketIdExpression: Expression, bucketFileNamePrefix: (Int) => String) extends Product with Serializable
Bucketing specification for all the write tasks.
- bucketIdExpression
Expression to calculate bucket id based on bucket column(s).
- bucketFileNamePrefix
Prefix of output file name based on bucket id.
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- new WriterBucketSpec(bucketIdExpression: Expression, bucketFileNamePrefix: (Int) => String)
- bucketIdExpression
Expression to calculate bucket id based on bucket column(s).
- bucketFileNamePrefix
Prefix of output file name based on bucket id.
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- val bucketFileNamePrefix: (Int) => String
- val bucketIdExpression: Expression
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