org.apache.drill.exec.physical.impl

Class ImplCreator

java.lang.Object

org.apache.drill.exec.physical.impl.ImplCreator

public class ImplCreator
extends Object

Create RecordBatch tree (PhysicalOperator implementations) for a given PhysicalOperator tree.

Method Summary

Methods

Modifier and Type	Method and Description
static RootExec	getExec(FragmentContext context, FragmentRoot root) Create and return fragment RootExec for given FragmentRoot.
RecordBatch	getRecordBatch(PhysicalOperator op, FragmentContext context) Create a RecordBatch and its children for given PhysicalOperator

Methods inherited from class java.lang.Object

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

Method Detail

getExec

public static RootExec getExec(FragmentContext context,
               FragmentRoot root)
                        throws ExecutionSetupException

Create and return fragment RootExec for given FragmentRoot. RootExec has one or more RecordBatches as children (which may contain child RecordBatches and so on).

Parameters:

context - FragmentContext.

root - FragmentRoot.

Returns:

RootExec of fragment.

Throws:

ExecutionSetupException

getRecordBatch

public RecordBatch getRecordBatch(PhysicalOperator op,
                         FragmentContext context)
                           throws ExecutionSetupException

Create a RecordBatch and its children for given PhysicalOperator

Throws:

ExecutionSetupException