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Adjustments for modifying the calculate method to take in a filterCon…
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eycho-am committed Feb 12, 2024
1 parent cded30b commit 5268cb9
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Showing 5 changed files with 27 additions and 5 deletions.
4 changes: 4 additions & 0 deletions src/main/scala/com/amazon/deequ/analyzers/CustomSql.scala
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Expand Up @@ -55,6 +55,10 @@ case class CustomSql(expression: String) extends Analyzer[CustomSqlState, Double
}
}

override def computeStateFrom(data: DataFrame, filterCondition: Option[String]): Option[CustomSqlState] = {
computeStateFrom(data)
}

/**
* Compute the metric from the state (sufficient statistics)
*
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Expand Up @@ -78,6 +78,10 @@ case class DataSynchronizationAnalyzer(dfToCompare: DataFrame,
}
}

override def computeStateFrom(data: DataFrame, filterCondition: Option[String]): Option[DataSynchronizationState] = {
computeStateFrom(data)
}

override def computeMetricFrom(state: Option[DataSynchronizationState]): DoubleMetric = {

val metric = state match {
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4 changes: 4 additions & 0 deletions src/main/scala/com/amazon/deequ/analyzers/Histogram.scala
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Expand Up @@ -76,6 +76,10 @@ case class Histogram(
Some(FrequenciesAndNumRows(frequencies, totalCount))
}

override def computeStateFrom(data: DataFrame, where: Option[String]): Option[FrequenciesAndNumRows] = {
computeStateFrom(data)
}

override def computeMetricFrom(state: Option[FrequenciesAndNumRows]): HistogramMetric = {

state match {
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Expand Up @@ -137,7 +137,8 @@ class AnalysisRunnerTests extends AnyWordSpec
UniqueValueRatio(Seq("att1"), Some("att3 > 0")) :: Nil

val (separateResults, numSeparateJobs) = sparkMonitor.withMonitoringSession { stat =>
val results = analyzers.map { _.calculate(df) }.toSet
val results = analyzers.map { analyzer =>
analyzer.calculate(df, filterCondition = analyzer.filterCondition) }.toSet
(results, stat.jobCount)
}

Expand All @@ -160,7 +161,9 @@ class AnalysisRunnerTests extends AnyWordSpec
UniqueValueRatio(Seq("att1", "att2"), Some("att3 > 0")) :: Nil

val (separateResults, numSeparateJobs) = sparkMonitor.withMonitoringSession { stat =>
val results = analyzers.map { _.calculate(df) }.toSet
val results = analyzers.map { analyzer =>
analyzer.calculate(df, filterCondition = analyzer.filterCondition)
}.toSet
(results, stat.jobCount)
}

Expand All @@ -184,7 +187,9 @@ class AnalysisRunnerTests extends AnyWordSpec
Uniqueness("att1", Some("att3 = 0")) :: Nil

val (separateResults, numSeparateJobs) = sparkMonitor.withMonitoringSession { stat =>
val results = analyzers.map { _.calculate(df) }.toSet
val results = analyzers.map { analyzer =>
analyzer.calculate(df, filterCondition = analyzer.filterCondition)
}.toSet
(results, stat.jobCount)
}

Expand All @@ -193,9 +198,10 @@ class AnalysisRunnerTests extends AnyWordSpec
(results, stat.jobCount)
}

assert(separateResults.asInstanceOf[Set[DoubleMetric]].size == runnerResults.asInstanceOf[Set[DoubleMetric]].size)
assert(numSeparateJobs == analyzers.length * 2)
assert(numCombinedJobs == analyzers.length * 2)
assert(separateResults.toString == runnerResults.toString)
// assert(separateResults == runnerResults.toString)
}

"reuse existing results" in
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Expand Up @@ -58,7 +58,8 @@ class AnalysisBasedConstraintTest extends WordSpec with Matchers with SparkConte
override def calculate(
data: DataFrame,
stateLoader: Option[StateLoader],
statePersister: Option[StatePersister])
statePersister: Option[StatePersister],
filterCondition: Option[String])
: DoubleMetric = {
val value: Try[Double] = Try {
require(data.columns.contains(column), s"Missing column $column")
Expand All @@ -71,6 +72,9 @@ class AnalysisBasedConstraintTest extends WordSpec with Matchers with SparkConte
throw new NotImplementedError()
}

override def computeStateFrom(data: DataFrame, filterCondition: Option[String]): Option[NumMatches] = {
computeStateFrom(data)
}

override def computeMetricFrom(state: Option[NumMatches]): DoubleMetric = {
throw new NotImplementedError()
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