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com.linkedin.feathr.sparkcommon

SeqJoinCustomAggregation

abstract class SeqJoinCustomAggregation extends Serializable

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  1. new SeqJoinCustomAggregation()

Abstract Value Members

  1. abstract def applyAggregation(featureNameToColumnNameMap: Map[String, String]): Map[String, Column]

    Apply a custom aggregation function on seqJoin features.

    Apply a custom aggregation function on seqJoin features.

    featureNameToColumnNameMap

    Map from seqjoin feature names to the joined, unaggregated column name. This column name will generally look like "feathr_feature_<feature-name>feathr_tags_<randomString>".

    returns

    Map from seqJoin feature name to column with custom aggregation.

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