org.apache.paimon.stats

Class Statistics

java.lang.Object

org.apache.paimon.stats.Statistics

@Experimental
public class Statistics
extends Object

Global stats, supports the following stats.

• mergedRecordCount: the total number of records after merge
• mergedRecordSize: the size of the mergedRecordCount in bytes
• colStats: column stats map

Constructor Summary

Constructors

Constructor and Description
Statistics(long snapshotId, long schemaId, Long mergedRecordCount, Long mergedRecordSize)
Statistics(long snapshotId, long schemaId, Long mergedRecordCount, Long mergedRecordSize, Map<String,ColStats<?>> colStats)

Method Summary

Modifier and Type	Method and Description
Map<String,ColStats<?>>	colStats()
void	deserializeFieldsFromString(TableSchema schema)
boolean	equals(Object o)
static Statistics	fromJson(String json)
static Statistics	fromPath(FileIO fileIO, Path path)
int	hashCode()
OptionalLong	mergedRecordCount()
OptionalLong	mergedRecordSize()
long	schemaId()
void	serializeFieldsToString(TableSchema schema)
long	snapshotId()
String	toJson()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Statistics

public Statistics(long snapshotId,
                  long schemaId,
                  @Nullable
                  Long mergedRecordCount,
                  @Nullable
                  Long mergedRecordSize,
                  Map<String,ColStats<?>> colStats)

Statistics

public Statistics(long snapshotId,
                  long schemaId,
                  Long mergedRecordCount,
                  Long mergedRecordSize)

Method Detail

snapshotId

public long snapshotId()

schemaId

public long schemaId()

mergedRecordCount

public OptionalLong mergedRecordCount()

mergedRecordSize

public OptionalLong mergedRecordSize()

colStats

public Map<String,ColStats<?>> colStats()

serializeFieldsToString

public void serializeFieldsToString(TableSchema schema)

deserializeFieldsFromString

public void deserializeFieldsFromString(TableSchema schema)

toJson

public String toJson()

fromJson

public static Statistics fromJson(String json)

fromPath

public static Statistics fromPath(FileIO fileIO,
                                  Path path)

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