org.apache.flink.api.java.summarize

类 BooleanColumnSummary

java.lang.Object

org.apache.flink.api.java.summarize.ColumnSummary

org.apache.flink.api.java.summarize.BooleanColumnSummary

@PublicEvolving
public class BooleanColumnSummary
extends ColumnSummary

Summary for a column of booleans.

构造器概要

构造器

构造器和说明
BooleanColumnSummary(long trueCount, long falseCount, long nullCount)

方法概要

限定符和类型	方法和说明
long	getFalseCount()
long	getNonNullCount() The number of non-null values in this column.
long	getNullCount() The number of null values in this column.
long	getTrueCount()
String	toString()

从类继承的方法 org.apache.flink.api.java.summarize.ColumnSummary

containsNonNull, containsNull, getTotalCount

从类继承的方法 java.lang.Object

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

构造器详细资料

BooleanColumnSummary

public BooleanColumnSummary(long trueCount,
                            long falseCount,
                            long nullCount)

方法详细资料

getTrueCount

public long getTrueCount()

getFalseCount

public long getFalseCount()

getNonNullCount

public long getNonNullCount()

The number of non-null values in this column.

指定者:

getNonNullCount 在类中 ColumnSummary

getNullCount

public long getNullCount()

从类复制的说明: ColumnSummary

The number of null values in this column.

指定者:

getNullCount 在类中 ColumnSummary

toString

public String toString()

覆盖:

toString 在类中 Object