t

org.apache.spark.sql.delta.stats

DeltaScanGenerator

trait DeltaScanGenerator extends DeltaScanGeneratorBase

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Abstract Value Members

  1. abstract def filesForScan(projection: Seq[Attribute], filters: Seq[Expression]): DeltaScan

    Returns a DeltaScan based on the given filters and projections.

    Returns a DeltaScan based on the given filters and projections.

    Definition Classes
    DeltaScanGeneratorBase
  2. abstract def filesWithStatsForScan(partitionFilters: Seq[Expression]): DataFrame

    Returns a DataFrame for the given partition filters.

    Returns a DataFrame for the given partition filters. The schema of returned DataFrame is nearly the same as AddFile, except that the stats field is parsed to a struct from a json string.

    Definition Classes
    DeltaScanGeneratorBase
  3. abstract val snapshotToScan: Snapshot

    The snapshot that the scan is being generated on.

    The snapshot that the scan is being generated on.

    Definition Classes
    DeltaScanGeneratorBase

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Inherited from DeltaScanGeneratorBase

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