Uses of Class
org.apache.drill.exec.physical.impl.scan.file.MetadataColumn

Packages that use MetadataColumn

Package	Description
org.apache.drill.exec.physical.impl.scan.file	Handles optional file metadata columns: implicit columns and partition columns.

Uses of MetadataColumn in org.apache.drill.exec.physical.impl.scan.file

Subclasses of MetadataColumn in org.apache.drill.exec.physical.impl.scan.file

Modifier and Type	Class	Description
class	FileMetadataColumn	Represents projection column which resolved to a file metadata (AKA "implicit") column such as "filename", "fqn", etc.
class	PartitionColumn	Represents a partition column (usually dir0, dir1, ...).

Methods in org.apache.drill.exec.physical.impl.scan.file that return MetadataColumn

Modifier and Type	Method	Description
MetadataColumn	FileMetadataColumn.resolve(FileMetadata fileInfo, VectorSource source, int sourceIndex)
abstract MetadataColumn	MetadataColumn.resolve(FileMetadata fileInfo, VectorSource source, int sourceIndex)
MetadataColumn	PartitionColumn.resolve(FileMetadata fileInfo, VectorSource source, int sourceIndex)

Methods in org.apache.drill.exec.physical.impl.scan.file that return types with arguments of type MetadataColumn

Modifier and Type	Method	Description
List<MetadataColumn>	ImplicitColumnManager.metadataColumns()