Package io.deephaven.parquet.table.metadata

Class DataIndexInfo

java.lang.Object

io.deephaven.parquet.table.metadata.DataIndexInfo

@Immutable
public abstract class DataIndexInfo
extends Object

Representation class for data index information stored in key-value metadata for Deephaven-written Parquet files.

Constructor Summary

Constructors

Constructor	Description
DataIndexInfo()

Method Summary

Modifier and Type	Method	Description
abstract Set<String>	columns()
abstract String	indexTablePath()
boolean	matchesColumns(String... columnsToMatch)
static DataIndexInfo	of(@NotNull String indexTablePath, String... columnNames)

Methods inherited from class java.lang.Object

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

Constructor Details

DataIndexInfo

public DataIndexInfo()

Method Details

columns

@Parameter
public abstract Set<String> columns()

Returns:

The column names

indexTablePath

@Parameter
public abstract String indexTablePath()

Returns:

The relative path name for the columns' data index sidecar table

matchesColumns

public boolean matchesColumns(String... columnsToMatch)

of

public static DataIndexInfo of(@NotNull
 @NotNull String indexTablePath,
 String... columnNames)