case class CountDistinctValuesMetric(onColumns: List[String], filter: MetricFilter = MetricFilter.noFilter) extends MetricDescriptor with Filterable with Product with Serializable
A metric that calculates the number of distinct values in a column or across several columns
- onColumns
- the columns for which you are counting distinct values
- filter
- the filter to be applied before the distinct count is calculated
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- CountDistinctValuesMetric
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Instance Constructors
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new
CountDistinctValuesMetric(onColumns: List[String], filter: MetricFilter = MetricFilter.noFilter)
- onColumns
- the columns for which you are counting distinct values
- filter
- the filter to be applied before the distinct count is calculated
Type Members
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type
MC = DistinctValuesMetricCalculator
- Definition Classes
- CountDistinctValuesMetric → MetricDescriptor
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type
MetricType = MetricCalculator.DistinctValuesMetricCalculator.MetricType
- Definition Classes
- MetricDescriptor
Value Members
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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final
def
==(arg0: Any): Boolean
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final
def
asInstanceOf[T0]: T0
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def
clone(): AnyRef
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final
def
eq(arg0: AnyRef): Boolean
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val
filter: MetricFilter
A filter to apply before calculation of the metric
A filter to apply before calculation of the metric
- returns
the MetricFilter
- Definition Classes
- CountDistinctValuesMetric → Filterable
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def
finalize(): Unit
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final
def
getClass(): Class[_]
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final
def
isInstanceOf[T0]: Boolean
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def
metricCalculator: DistinctValuesMetricCalculator
The metricCalculator which contains key logic for calculating a MetricValue for this MetricDescriptor
The metricCalculator which contains key logic for calculating a MetricValue for this MetricDescriptor
- returns
the MetricCalculator
- Definition Classes
- CountDistinctValuesMetric → MetricDescriptor
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def
metricName: String
A name for the metric
A name for the metric
- Definition Classes
- CountDistinctValuesMetric → MetricDescriptor
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final
def
ne(arg0: AnyRef): Boolean
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final
def
notify(): Unit
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final
def
notifyAll(): Unit
- Definition Classes
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- val onColumns: List[String]
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final
def
synchronized[T0](arg0: ⇒ T0): T0
- Definition Classes
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def
toSimpleMetricDescriptor: SimpleMetricDescriptor
A representation of the MetricDescriptor that can be more easily handled for persistence
A representation of the MetricDescriptor that can be more easily handled for persistence
- returns
the SimpleMetricDescriptor
- Definition Classes
- CountDistinctValuesMetric → MetricDescriptor
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final
def
wait(): Unit
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final
def
wait(arg0: Long, arg1: Int): Unit
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final
def
wait(arg0: Long): Unit
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