org.apache.tajo.plan.rewrite

Interface LogicalPlanRewriteEngine

All Known Implementing Classes:

BaseLogicalPlanRewriteEngine

public interface LogicalPlanRewriteEngine

Method Summary

Methods

Modifier and Type	Method and Description
LogicalPlan	rewrite(OverridableConf queryContext, LogicalPlan plan) Rewrite a logical plan with all query rewrite rules added to this engine.

Method Detail

rewrite

LogicalPlan rewrite(OverridableConf queryContext,
                  LogicalPlan plan)
                    throws PlanningException

Rewrite a logical plan with all query rewrite rules added to this engine.

Parameters:

plan - The plan to be rewritten with all query rewrite rule.

Returns:

The rewritten plan.

Throws:

PlanningException