DeletionVectorsPreDowngradeCommand¶

DeletionVectorsPreDowngradeCommand is a PreDowngradeTableFeatureCommand.

Creating Instance¶

DeletionVectorsPreDowngradeCommand takes the following to be created:

• DeltaTableV2

DeletionVectorsPreDowngradeCommand is created when:

• DeletionVectorsTableFeature is requested to preDowngradeCommand

removeFeatureTracesIfNeeded¶

removeFeatureTracesIfNeeded(
  spark: SparkSession): PreDowngradeStatus

removeFeatureTracesIfNeeded...FIXME

generateDVTombstones¶

generateDVTombstones(
  spark: SparkSession,
  checkIfSnapshotUpdatedSinceTs: Long,
  metrics: DeletionVectorsRemovalMetrics): Unit

generateDVTombstones...FIXME