Skip to content

FilterEstimation

FilterEstimation is...FIXME

=== [[computeEqualityPossibilityByHistogram]] computeEqualityPossibilityByHistogram Internal Method

[source, scala]

computeEqualityPossibilityByHistogram(literal: Literal, colStat: ColumnStat): Double

computeEqualityPossibilityByHistogram...FIXME

NOTE: computeEqualityPossibilityByHistogram is used when...FIXME

=== [[computeComparisonPossibilityByHistogram]] computeComparisonPossibilityByHistogram Internal Method

[source, scala]

computeComparisonPossibilityByHistogram(op: BinaryComparison, literal: Literal, colStat: ColumnStat): Double

computeComparisonPossibilityByHistogram...FIXME

NOTE: computeComparisonPossibilityByHistogram is used when...FIXME

=== [[update]] update Method

[source, scala]

update(a: Attribute, stats: ColumnStat): Unit

update...FIXME

NOTE: update is used when...FIXME


Last update: 2020-09-08