Uses of Interface
org.apache.drill.exec.physical.impl.scan.RowBatchReader
Packages that use RowBatchReader
Package
Description
Defines the scan operation implementation.
Defines the projection, vector continuity and other operations for
a set of one or more readers.
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.
-
Uses of RowBatchReader in org.apache.drill.exec.physical.impl.scan
Methods in org.apache.drill.exec.physical.impl.scan that return RowBatchReaderModifier and TypeMethodDescriptionScanOperatorEvents.nextReader()
A scanner typically readers multiple data sources (such as files or file blocks.) A batch reader handles each read. -
Uses of RowBatchReader in org.apache.drill.exec.physical.impl.scan.framework
Classes in org.apache.drill.exec.physical.impl.scan.framework that implement RowBatchReaderModifier and TypeClassDescriptionclass
Represents a layer of row batch reader that works with a result set loader and schema manager to structure the data read by the actual row batch reader.Methods in org.apache.drill.exec.physical.impl.scan.framework that return RowBatchReader -
Uses of RowBatchReader in org.apache.drill.exec.physical.impl.scan.v3.lifecycle
Classes in org.apache.drill.exec.physical.impl.scan.v3.lifecycle that implement RowBatchReaderModifier and TypeClassDescriptionclass
Manages the schema and batch construction for a managed reader.Methods in org.apache.drill.exec.physical.impl.scan.v3.lifecycle that return RowBatchReader