Package io.deephaven.parquet.table.metadata

Class RowGroupInfo.ByGroups

java.lang.Object

io.deephaven.parquet.table.metadata.RowGroupInfo.ByGroups

All Implemented Interfaces:

RowGroupInfo

Enclosing interface:

RowGroupInfo

public static final class RowGroupInfo.ByGroups
extends Object
implements RowGroupInfo

Splits into RowGroups based on unique values within groups, and optionally further splits (per unique groups ensuring that no group is larger than maxRows. If maxRows is not desired, this parameter may be set to Long.MAX_VALUE

Nested Class Summary

Nested classes/interfaces inherited from interface io.deephaven.parquet.table.metadata.RowGroupInfo

RowGroupInfo.ByGroups, RowGroupInfo.MaxGroups, RowGroupInfo.MaxRows, RowGroupInfo.SingleGroup, RowGroupInfo.Visitor<T>

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
List<String>	groups()
OptionalLong	maxRows()
String	toString()
<T> T	walk(@NotNull RowGroupInfo.Visitor<T> visitor)

Methods inherited from class java.lang.Object

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

Method Details

walk

public <T> T walk(@NotNull
 @NotNull RowGroupInfo.Visitor<T> visitor)

Specified by:

walk in interface RowGroupInfo

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

maxRows

public OptionalLong maxRows()

groups

public List<String> groups()