Class ColumnStatisticMetadata

java.lang.Object

io.trino.spi.statistics.ColumnStatisticMetadata

public class ColumnStatisticMetadata
extends Object

Constructor Summary

Constructors

Constructor	Description
ColumnStatisticMetadata(String columnName, ColumnStatisticType statisticType)
ColumnStatisticMetadata(String columnName, String connectorAggregationId, FunctionName aggregation)
ColumnStatisticMetadata(String columnName, String connectorAggregationId, ColumnStatisticType statisticType)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
static ColumnStatisticMetadata	fromJson(String columnName, String connectorAggregationId, Optional<ColumnStatisticType> statisticType, Optional<FunctionName> aggregation)
FunctionName	getAggregation()
Optional<FunctionName>	getAggregationIfPresent()
String	getColumnName()
String	getConnectorAggregationId()
ColumnStatisticType	getStatisticType()
Optional<ColumnStatisticType>	getStatisticTypeIfPresent()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

ColumnStatisticMetadata

public ColumnStatisticMetadata(String columnName,
 ColumnStatisticType statisticType)

ColumnStatisticMetadata

public ColumnStatisticMetadata(String columnName,
 String connectorAggregationId,
 ColumnStatisticType statisticType)

ColumnStatisticMetadata

@Experimental(eta="2023-01-31")
public ColumnStatisticMetadata(String columnName,
 String connectorAggregationId,
 FunctionName aggregation)

Method Details

fromJson

public static ColumnStatisticMetadata fromJson(String columnName,
 String connectorAggregationId,
 Optional<ColumnStatisticType> statisticType,
 Optional<FunctionName> aggregation)

getColumnName

public String getColumnName()

getConnectorAggregationId

@Experimental(eta="2023-01-31")
public String getConnectorAggregationId()

getStatisticType

public ColumnStatisticType getStatisticType()

getStatisticTypeIfPresent

@Experimental(eta="2023-01-31")
public Optional<ColumnStatisticType> getStatisticTypeIfPresent()

getAggregation

@Experimental(eta="2023-01-31")
public FunctionName getAggregation()

getAggregationIfPresent

@Experimental(eta="2023-01-31")
public Optional<FunctionName> getAggregationIfPresent()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object