org.apache.hadoop.hive.ql.parse
Class TezCompiler

java.lang.Object
  org.apache.hadoop.hive.ql.parse.TaskCompiler
      org.apache.hadoop.hive.ql.parse.TezCompiler

public class TezCompiler
extends TaskCompiler

TezCompiler translates the operator plan into TezTasks.

Field Summary

protected org.apache.commons.logging.Log

LOG

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

conf, console, db

Constructor Summary

TezCompiler()

Method Summary

protected void	decideExecMode(List<Task<? extends Serializable>> rootTasks, Context ctx, GlobalLimitCtx globalLimitCtx)
protected void	generateTaskTree(List<Task<? extends Serializable>> rootTasks, ParseContext pCtx, List<Task<MoveWork>> mvTask, Set<ReadEntity> inputs, Set<WriteEntity> outputs)
void	init(HiveConf conf, SessionState.LogHelper console, Hive db)
protected void	optimizeOperatorPlan(ParseContext pCtx, Set<ReadEntity> inputs, Set<WriteEntity> outputs)
protected void	optimizeTaskPlan(List<Task<? extends Serializable>> rootTasks, ParseContext pCtx, Context ctx)
protected void	setInputFormat(Task<? extends Serializable> task)

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

compile, genColumnStatsTask, getLeafTasks, getParseContext

Methods inherited from class java.lang.Object

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

Field Detail

LOG

protected final org.apache.commons.logging.Log LOG

Constructor Detail

TezCompiler

public TezCompiler()

Method Detail

init

public void init(HiveConf conf,
                 SessionState.LogHelper console,
                 Hive db)

Overrides:

init in class TaskCompiler

optimizeOperatorPlan

protected void optimizeOperatorPlan(ParseContext pCtx,
                                    Set<ReadEntity> inputs,
                                    Set<WriteEntity> outputs)
                             throws SemanticException

Overrides:

optimizeOperatorPlan in class TaskCompiler

Throws:

SemanticException

generateTaskTree

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

Specified by:

generateTaskTree in class TaskCompiler

Throws:

SemanticException

setInputFormat

protected void setInputFormat(Task<? extends Serializable> task)

Specified by:

setInputFormat in class TaskCompiler

decideExecMode

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

Specified by:

decideExecMode in class TaskCompiler

Throws:

SemanticException

optimizeTaskPlan

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

Specified by:

optimizeTaskPlan in class TaskCompiler

Throws:

SemanticException