org.apache.drill.exec.store.mapr.db

Class MapRDBFormatMatcher

java.lang.Object

org.apache.drill.exec.store.dfs.FormatMatcher

org.apache.drill.exec.store.mapr.TableFormatMatcher

org.apache.drill.exec.store.mapr.db.MapRDBFormatMatcher

public class MapRDBFormatMatcher
extends TableFormatMatcher

Field Summary

Fields inherited from class org.apache.drill.exec.store.dfs.FormatMatcher

HIGH_PRIORITY, MEDIUM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
MapRDBFormatMatcher(TableFormatPlugin plugin)

Method Summary

Modifier and Type	Method and Description
DrillTable	isReadable(DrillFileSystem fs, FileSelection selection, FileSystemPlugin fsPlugin, String storageEngineName, SchemaConfig schemaConfig)
DrillTable	isReadableIndex(DrillFileSystem fs, FileSelection selection, FileSystemPlugin fsPlugin, String storageEngineName, String userName, IndexDescriptor secondaryIndexDesc) Get an instance of DrillTable for a particular native secondary index
protected boolean	isSupportedTable(com.mapr.fs.MapRFileStatus status) Returns true if the path pointed by the MapRFileStatus is a supported table by this format plugin.

Methods inherited from class org.apache.drill.exec.store.mapr.TableFormatMatcher

getFormatPlugin, isFileReadable, supportDirectoryReads

Methods inherited from class org.apache.drill.exec.store.dfs.FormatMatcher

getFormatLocationTransformer, priority

Methods inherited from class java.lang.Object

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

Constructor Detail

MapRDBFormatMatcher

public MapRDBFormatMatcher(TableFormatPlugin plugin)

Method Detail

isSupportedTable

protected boolean isSupportedTable(com.mapr.fs.MapRFileStatus status)
                            throws IOException

Description copied from class: TableFormatMatcher

Returns true if the path pointed by the MapRFileStatus is a supported table by this format plugin. The path must point to a MapR table.

Specified by:

isSupportedTable in class TableFormatMatcher

Throws:

IOException

isReadableIndex

public DrillTable isReadableIndex(DrillFileSystem fs,
                                  FileSelection selection,
                                  FileSystemPlugin fsPlugin,
                                  String storageEngineName,
                                  String userName,
                                  IndexDescriptor secondaryIndexDesc)
                           throws IOException

Get an instance of DrillTable for a particular native secondary index

Parameters:

fs -

selection -

fsPlugin -

storageEngineName -

userName -

secondaryIndexDesc -

Returns:

Throws:

IOException

isReadable

public DrillTable isReadable(DrillFileSystem fs,
                             FileSelection selection,
                             FileSystemPlugin fsPlugin,
                             String storageEngineName,
                             SchemaConfig schemaConfig)
                      throws IOException

Overrides:

isReadable in class TableFormatMatcher

Throws:

IOException