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DeltaScan

PreparedDeltaFileIndex

DeltaScan is used to create a PreparedDeltaFileIndex.

Creating Instance

DeltaScan takes the following to be created:

  • Version
  • AddFiles
  • Total DataSize
  • Partition DataSize
  • Scanned DataSize
  • Partition filters (ExpressionSet)
  • Data filters (ExpressionSet)
  • Unused filters (ExpressionSet)
  • Projection (AttributeSet)
  • Scan duration (in millis)
  • DeltaDataSkippingType

DeltaScan is created when:

All Filters

allFilters: ExpressionSet

allFilters is a collection of the partitionFilters, the dataFilters, and the unusedFilters.

allFilters is used when: