org.apache.drill.exec.store.sys

Class SystemTableBatchCreator

java.lang.Object

org.apache.drill.exec.store.sys.SystemTableBatchCreator

All Implemented Interfaces:

BatchCreator<SystemTableScan>

public class SystemTableBatchCreator
extends Object
implements BatchCreator<SystemTableScan>

This class creates batches based on the the type of SystemTable. The distributed tables and the local tables use different record readers. Local system tables do not require a full-fledged query because these records are present on every Drillbit.

Constructor Summary

Constructors

Constructor and Description
SystemTableBatchCreator()

Method Summary

Modifier and Type	Method and Description
ScanBatch	getBatch(ExecutorFragmentContext context, SystemTableScan scan, List<RecordBatch> children)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SystemTableBatchCreator

public SystemTableBatchCreator()

Method Detail

getBatch

public ScanBatch getBatch(ExecutorFragmentContext context,
                          SystemTableScan scan,
                          List<RecordBatch> children)
                   throws ExecutionSetupException

Specified by:

getBatch in interface BatchCreator<SystemTableScan>

Throws:

ExecutionSetupException