Package org.apache.drill.exec.store.dfs

Interface Summary

Interface	Description
FormatLocationTransformer	Provides the ability to transform format location before creating FileSelection if required.
FormatPlugin	Similar to a storage engine but built specifically to work within a FileSystem context.
OpenFileTracker	Interface to track opening and closing of files.

Class Summary

Class	Description
BasicFormatMatcher
DrillFileSystem	DrillFileSystem is the wrapper around the actual FileSystem implementation.
DrillFileSystem.DebugStackTrace
DrillFSDataInputStream	Wrapper around FSDataInputStream to collect IO Stats.
DropboxFileSystem
FileSelection	Jackson serializable description of a file selection.
FileSystemConfig
FileSystemPlugin	A Storage engine associated with a Hadoop FileSystem Implementation.
FileSystemSchemaFactory	This is the top level schema that responds to root level path requests.
FormatCreator	Responsible for instantiating format plugins
FormatMatcher
FormatSelection
MagicString
MetadataContext	A metadata context that holds state across multiple invocations of the Parquet metadata APIs.
NamedFormatPluginConfig
ReadEntryFromHDFS
ReadEntryWithPath
SubDirectoryList
WorkspaceConfig	Stores the workspace related config.
WorkspaceSchemaFactory
WorkspaceSchemaFactory.TableInstance
ZipCodec	ZIP codec implementation which cna read or create single entry.

Enum Summary

Enum	Description
MetadataContext.PruneStatus