Package org.apache.orc.impl

Class ColumnStatisticsImpl.StringStatisticsImpl

java.lang.Object

org.apache.orc.impl.ColumnStatisticsImpl

org.apache.orc.impl.ColumnStatisticsImpl.StringStatisticsImpl

All Implemented Interfaces:

ColumnStatistics, StringColumnStatistics

Enclosing class:

ColumnStatisticsImpl

protected static final class ColumnStatisticsImpl.StringStatisticsImpl
extends ColumnStatisticsImpl
implements StringColumnStatistics

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.orc.impl.ColumnStatisticsImpl

ColumnStatisticsImpl.BinaryStatisticsImpl, ColumnStatisticsImpl.StringStatisticsImpl

Field Summary

Fields

Modifier and Type	Field	Description
static final int	MAX_BYTES_RECORDED

Fields inherited from class org.apache.orc.impl.ColumnStatisticsImpl

count

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
String	getLowerBound()	Get the string with length = Min(StringStatisticsImpl.MAX_BYTES_RECORDED, getMinimum())
String	getMaximum()	Get the maximum string.
String	getMinimum()	Get the minimum string.
long	getSum()	Get the total length of all strings
String	getUpperBound()	Get the string with length = Min(StringStatisticsImpl.MAX_BYTES_RECORDED, getMaximum())
int	hashCode()
void	merge(ColumnStatisticsImpl other)
void	reset()
OrcProto.ColumnStatistics.Builder	serialize()
String	toString()
void	updateString(byte[] bytes, int offset, int length, int repetitions)
void	updateString(Text value)

Methods inherited from class org.apache.orc.impl.ColumnStatisticsImpl

create, create, deserialize, deserialize, getBytesOnDisk, getNumberOfValues, hasNull, increment, increment, isStatsExists, setNull, updateBinary, updateBinary, updateBoolean, updateByteCount, updateCollectionLength, updateDate, updateDate, updateDecimal, updateDecimal64, updateDouble, updateInteger, updateTimestamp, updateTimestamp

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.orc.ColumnStatistics

getBytesOnDisk, getNumberOfValues, hasNull

Field Details

MAX_BYTES_RECORDED

public static final int MAX_BYTES_RECORDED

See Also:

• Constant Field Values

Method Details

reset

public void reset()

Overrides:

reset in class ColumnStatisticsImpl

updateString

public void updateString(Text value)

Overrides:

updateString in class ColumnStatisticsImpl

updateString

public void updateString(byte[] bytes,
 int offset,
 int length,
 int repetitions)

Overrides:

updateString in class ColumnStatisticsImpl

merge

public void merge(ColumnStatisticsImpl other)

Overrides:

merge in class ColumnStatisticsImpl

serialize

public OrcProto.ColumnStatistics.Builder serialize()

Overrides:

serialize in class ColumnStatisticsImpl

getMinimum

public String getMinimum()

Description copied from interface: StringColumnStatistics

Get the minimum string.

Specified by:

getMinimum in interface StringColumnStatistics

Returns:

the minimum

getMaximum

public String getMaximum()

Description copied from interface: StringColumnStatistics

Get the maximum string.

Specified by:

getMaximum in interface StringColumnStatistics

Returns:

the maximum

getLowerBound

public String getLowerBound()

Get the string with length = Min(StringStatisticsImpl.MAX_BYTES_RECORDED, getMinimum())

Specified by:

getLowerBound in interface StringColumnStatistics

Returns:

lower bound

getUpperBound

public String getUpperBound()

Get the string with length = Min(StringStatisticsImpl.MAX_BYTES_RECORDED, getMaximum())

Specified by:

getUpperBound in interface StringColumnStatistics

Returns:

upper bound

getSum

public long getSum()

Description copied from interface: StringColumnStatistics

Get the total length of all strings

Specified by:

getSum in interface StringColumnStatistics

Returns:

the sum (total length)

toString

public String toString()

Overrides:

toString in class ColumnStatisticsImpl

equals

public boolean equals(Object o)

Overrides:

equals in class ColumnStatisticsImpl

hashCode

public int hashCode()

Overrides:

hashCode in class ColumnStatisticsImpl