org.apache.tajo.storage

Class TableStatistics

java.lang.Object

org.apache.tajo.storage.TableStatistics

public class TableStatistics
extends Object

This class is not thread-safe.

Constructor Summary

Constructors

Constructor and Description
TableStatistics(Schema schema, boolean[] columnStatsEnabled)

Method Summary

Methods

Modifier and Type	Method and Description
void	analyzeField(int idx, Tuple tuple)
long	getNumBytes()
long	getNumRows()
Schema	getSchema()
TableStats	getTableStat()
void	incrementRow()
void	incrementRows(long num)
void	setNumBytes(long bytes)

Methods inherited from class java.lang.Object

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

Constructor Detail

TableStatistics

public TableStatistics(Schema schema,
               boolean[] columnStatsEnabled)

Method Detail

getSchema

public Schema getSchema()

incrementRow

public void incrementRow()

incrementRows

public void incrementRows(long num)

getNumRows

public long getNumRows()

setNumBytes

public void setNumBytes(long bytes)

getNumBytes

public long getNumBytes()

analyzeField

public void analyzeField(int idx,
                Tuple tuple)

getTableStat

public TableStats getTableStat()