public class FetchLauncher extends Object
| Constructor and Description |
|---|
FetchLauncher(PigContext pigContext) |
| Modifier and Type | Method and Description |
|---|---|
void |
explain(PhysicalPlan pp,
PigContext pc,
PrintStream ps,
String format)
Creates an empty MR plan
|
PigStats |
launchPig(PhysicalPlan pp)
Runs the fetch task by executing chain of calls on the PhysicalPlan from the leaf
up to the LoadFunc
|
public FetchLauncher(PigContext pigContext)
public PigStats launchPig(PhysicalPlan pp) throws IOException
pp - - Physical planIOExceptionpublic void explain(PhysicalPlan pp, PigContext pc, PrintStream ps, String format) throws PlanException, VisitorException, IOException
pp - - Physical planpc - - PigContextps - - PrintStream to write the plan toformat - format of the output planPlanExceptionVisitorExceptionIOExceptionCopyright © 2007-2017 The Apache Software Foundation