com.metamatrix.query.optimizer.relational.rules
Class RuleValidateWhereAll

java.lang.Object
  com.metamatrix.query.optimizer.relational.rules.RuleValidateWhereAll

All Implemented Interfaces:

OptimizerRule

public final class RuleValidateWhereAll
extends java.lang.Object
implements OptimizerRule

Validates that the any atomic query being sent to a model where the model requires a criteria actually has a criteria. This rule will detect this case and throw an exception. This rule does not actually modify anything in the plan itself.

Constructor Summary

RuleValidateWhereAll()

Method Summary

PlanNode	execute(PlanNode plan, QueryMetadataInterface metadata, CapabilitiesFinder capFinder, RuleStack rules, AnalysisRecord analysisRecord, CommandContext context) Verifies that a model with "supports where all" is being passed an atomic query with a criteria.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

RuleValidateWhereAll

public RuleValidateWhereAll()

Method Detail

execute

public PlanNode execute(PlanNode plan,
                        QueryMetadataInterface metadata,
                        CapabilitiesFinder capFinder,
                        RuleStack rules,
                        AnalysisRecord analysisRecord,
                        CommandContext context)
                 throws QueryPlannerException,
                        QueryMetadataException,
                        MetaMatrixComponentException

Verifies that a model with "supports where all" is being passed an atomic query with a criteria.

Specified by:

execute in interface OptimizerRule

Throws:

QueryPlannerException - if property is not satisfied

QueryMetadataException

MetaMatrixComponentException

See Also:

com.metamatrix.query.optimizer.OptimizerRule#execute(PlanNode, QueryMetadataInterface, RuleStack)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object