Uses of Package
org.apache.drill.exec.physical.impl.scan.v3

Packages that use org.apache.drill.exec.physical.impl.scan.v3

Package	Description
org.apache.drill.exec.physical.impl.scan.v3	Provides the "version 3" scan framework (which can also be thought of as EVF version 2).
org.apache.drill.exec.physical.impl.scan.v3.file
org.apache.drill.exec.physical.impl.scan.v3.lifecycle	Implements the details of the scan lifecycle for a set of readers, primarily the process of resolving the scan output schema from a variety of input schemas, then running each reader, each of which will produce some number of batches.

Classes in org.apache.drill.exec.physical.impl.scan.v3 used by org.apache.drill.exec.physical.impl.scan.v3

Class and Description
FixedReceiver Layer above the ResultSetLoader which handles standard conversions for scalar columns where the schema is known up front (i.e.
FixedReceiver.Builder
ManagedReader Extended version of a record reader which uses a size-aware batch mutator.
ManagedReader.EarlyEofException Exception thrown from the constructor if the data source is empty and can produce no data or schema.
ReaderFactory Creates a batch reader on demand.
ScanLifecycleBuilder.SchemaValidator
SchemaNegotiator Negotiates the table schema with the scanner framework and provides context information for the reader.

Classes in org.apache.drill.exec.physical.impl.scan.v3 used by org.apache.drill.exec.physical.impl.scan.v3.file

Class and Description
ManagedReader Extended version of a record reader which uses a size-aware batch mutator.
ManagedReader.EarlyEofException Exception thrown from the constructor if the data source is empty and can produce no data or schema.
ReaderFactory Creates a batch reader on demand.
ScanLifecycleBuilder Gathers options for the ScanLifecycle then builds a scan lifecycle instance.
SchemaNegotiator Negotiates the table schema with the scanner framework and provides context information for the reader.

Classes in org.apache.drill.exec.physical.impl.scan.v3 used by org.apache.drill.exec.physical.impl.scan.v3.lifecycle

Class and Description
ManagedReader Extended version of a record reader which uses a size-aware batch mutator.
ManagedReader.EarlyEofException Exception thrown from the constructor if the data source is empty and can produce no data or schema.
ReaderFactory Creates a batch reader on demand.
ScanLifecycleBuilder Gathers options for the ScanLifecycle then builds a scan lifecycle instance.
SchemaNegotiator Negotiates the table schema with the scanner framework and provides context information for the reader.