org.apache.hadoop.hive.ql.parse

Class MapReduceCompiler

java.lang.Object

org.apache.hadoop.hive.ql.parse.TaskCompiler

org.apache.hadoop.hive.ql.parse.MapReduceCompiler

public class MapReduceCompiler
extends TaskCompiler

Field Summary

Fields

Modifier and Type	Field and Description
protected org.slf4j.Logger	LOG

Fields inherited from class org.apache.hadoop.hive.ql.parse.TaskCompiler

conf, console, db, queryState

Constructor Summary

Constructors

Constructor and Description
MapReduceCompiler()

Method Summary

Modifier and Type	Method and Description
protected void	decideExecMode(List<Task<?>> rootTasks, Context ctx, GlobalLimitCtx globalLimitCtx)
protected void	generateTaskTree(List<Task<?>> rootTasks, ParseContext pCtx, List<Task<MoveWork>> mvTask, Set<ReadEntity> inputs, Set<WriteEntity> outputs)
void	init(QueryState queryState, SessionState.LogHelper console, Hive db)
protected void	optimizeOperatorPlan(ParseContext pCtx)
protected void	optimizeTaskPlan(List<Task<?>> rootTasks, ParseContext pCtx, Context ctx)
protected void	setInputFormat(Task<?> task)

Methods inherited from class org.apache.hadoop.hive.ql.parse.TaskCompiler

compile, genColumnStatsTask, getParseContext, runDynPartitionSortOptimizations

Methods inherited from class java.lang.Object

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

Field Detail

LOG

protected final org.slf4j.Logger LOG

Constructor Detail

MapReduceCompiler

public MapReduceCompiler()

Method Detail

init

public void init(QueryState queryState,
                 SessionState.LogHelper console,
                 Hive db)

Overrides:

init in class TaskCompiler

setInputFormat

protected void setInputFormat(Task<?> task)

Specified by:

setInputFormat in class TaskCompiler

optimizeOperatorPlan

protected void optimizeOperatorPlan(ParseContext pCtx)
                             throws SemanticException

Overrides:

optimizeOperatorPlan in class TaskCompiler

Throws:

SemanticException

decideExecMode

protected void decideExecMode(List<Task<?>> rootTasks,
                              Context ctx,
                              GlobalLimitCtx globalLimitCtx)
                       throws SemanticException

Specified by:

decideExecMode in class TaskCompiler

Throws:

SemanticException

optimizeTaskPlan

protected void optimizeTaskPlan(List<Task<?>> rootTasks,
                                ParseContext pCtx,
                                Context ctx)
                         throws SemanticException

Specified by:

optimizeTaskPlan in class TaskCompiler

Throws:

SemanticException

generateTaskTree

protected void generateTaskTree(List<Task<?>> rootTasks,
                                ParseContext pCtx,
                                List<Task<MoveWork>> mvTask,
                                Set<ReadEntity> inputs,
                                Set<WriteEntity> outputs)
                         throws SemanticException

Specified by:

generateTaskTree in class TaskCompiler

Throws:

SemanticException