com.metamatrix.query.optimizer.relational
Class GenerateCanonical

java.lang.Object
  com.metamatrix.query.optimizer.relational.GenerateCanonical

public final class GenerateCanonical
extends java.lang.Object

Method Summary

static PlanNode	createSelectNode(Criteria crit, boolean isHaving)
static PlanNode	generatePlan(Command command, PlanHints hints, QueryMetadataInterface metadata) Generate an initial plan given a command.

Methods inherited from class java.lang.Object

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

Method Detail

generatePlan

public static PlanNode generatePlan(Command command,
                                    PlanHints hints,
                                    QueryMetadataInterface metadata)
                             throws QueryPlannerException,
                                    MetaMatrixComponentException

Generate an initial plan given a command. This plan will contain all necessary information from the command but will not be optimized or even executable.

Parameters:

command - Command to plan

metadata - Metadata access

debug - True if debugging information should be dumped to STDOUT

Returns:

Initial query plan tree

Throws:

QueryPlannerException

MetaMatrixComponentException

createSelectNode

public static PlanNode createSelectNode(Criteria crit,
                                        boolean isHaving)