io.prestosql.testing.statistics

Class Metrics

java.lang.Object

io.prestosql.testing.statistics.Metrics

public final class Metrics
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static Metric	OUTPUT_ROW_COUNT

Method Summary

Modifier and Type	Method and Description
static Metric	distinctValuesCount(String columnName)
static Metric	highValue(String columnName)
static Metric	lowValue(String columnName)
static Metric	nullsFraction(String columnName)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

OUTPUT_ROW_COUNT

public static final Metric OUTPUT_ROW_COUNT

Method Detail

nullsFraction

public static Metric nullsFraction(String columnName)

distinctValuesCount

public static Metric distinctValuesCount(String columnName)

lowValue

public static Metric lowValue(String columnName)

highValue

public static Metric highValue(String columnName)