| Package | Description |
|---|---|
| org.apache.drill.exec.physical.impl.scan.v3.file | |
| org.apache.drill.exec.physical.impl.scan.v3.schema |
Provides run-time semantic analysis of the projection list for the
scan operator.
|
| Class and Description |
|---|
| BaseFileScanTest |
| BaseFileScanTest.ReaderCreator
Fixture that creates the reader and gives a test access to
the reader.
|
| FileDescrip
Describes one file within a scan and is used to populate implicit columns.
|
| FileReaderFactory
Iterates over the splits for the present scan.
|
| FileScanLifecycle
The file scan framework adds into the scan framework support for
reading from DFS splits (a file and a block) and for the file-related
implicit and partition columns.
|
| FileScanLifecycleBuilder |
| FileSchemaNegotiator
The file schema negotiator provides access to the Drill file system
and to the file split which the reader is to consume.
|
| ImplicitColumnMarker
Marks a column as implicit and provides a function to resolve an
implicit column given a description of the input file.
|
| ImplicitColumnResolver.ImplicitColumnOptions |
| ImplicitColumnResolver.ParseResult
The result of scanning the scan output schema to identify implicit and
partition columns.
|
| ImplicitFileColumnsHandler
Manages implicit columns for files and partition columns for
directories.
|
| MockFileNames |
| Class and Description |
|---|
| ImplicitColumnMarker
Marks a column as implicit and provides a function to resolve an
implicit column given a description of the input file.
|
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