org.apache.drill.exec.physical.impl.scan.file

Class FileMetadata

java.lang.Object

org.apache.drill.exec.physical.impl.scan.file.FileMetadata

public class FileMetadata
extends Object

Specify the file name and optional selection root. If the selection root is provided, then partitions are defined as the portion of the file name that is not also part of the selection root. That is, if selection root is /a/b and the file path is /a/b/c/d.csv, then dir0 is c.

Constructor Summary

Constructors

Constructor and Description
FileMetadata(org.apache.hadoop.fs.Path filePath, org.apache.hadoop.fs.Path selectionRoot)
FileMetadata(org.apache.hadoop.fs.Path filePath, org.apache.hadoop.fs.Path selectionRoot, org.apache.hadoop.fs.FileSystem fs)

Method Summary

Modifier and Type	Method and Description
int	dirPathLength()
org.apache.hadoop.fs.Path	filePath()
String	getImplicitColumnValue(ColumnExplorer.ImplicitFileColumn column)
boolean	isSet()
String	partition(int index)

Methods inherited from class java.lang.Object

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

Constructor Detail

FileMetadata

public FileMetadata(org.apache.hadoop.fs.Path filePath,
                    org.apache.hadoop.fs.Path selectionRoot)

FileMetadata

public FileMetadata(org.apache.hadoop.fs.Path filePath,
                    org.apache.hadoop.fs.Path selectionRoot,
                    org.apache.hadoop.fs.FileSystem fs)

Method Detail

filePath

public org.apache.hadoop.fs.Path filePath()

partition

public String partition(int index)

dirPathLength

public int dirPathLength()

isSet

public boolean isSet()

getImplicitColumnValue

public String getImplicitColumnValue(ColumnExplorer.ImplicitFileColumn column)