Package com.mckoi.database
Class QueryPlan.CachePointNode
java.lang.Object
com.mckoi.database.QueryPlan.SingleQueryPlanNode
com.mckoi.database.QueryPlan.CachePointNode
- All Implemented Interfaces:
QueryPlanNode,Serializable,Cloneable
- Enclosing class:
QueryPlan
A cache point node that only evaluates the child if the result can not
be found in the cache with the given unique id.
- See Also:
-
Field Summary
Fields inherited from class com.mckoi.database.QueryPlan.SingleQueryPlanNode
child -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionclone()Deep clone.evaluate(QueryContext context) Evaluates the node and returns the result as a Table.Methods inherited from class com.mckoi.database.QueryPlan.SingleQueryPlanNode
child, debugString, discoverCorrelatedVariables, discoverTableNames
-
Constructor Details
-
CachePointNode
Constructor.
-
-
Method Details
-
evaluate
Description copied from interface:QueryPlanNodeEvaluates the node and returns the result as a Table. The VariableResolver resolves any outer variables -
clone
Description copied from class:QueryPlan.SingleQueryPlanNodeDeep clone.- Specified by:
clonein interfaceQueryPlanNode- Overrides:
clonein classQueryPlan.SingleQueryPlanNode- Throws:
CloneNotSupportedException
-
titleString
- Overrides:
titleStringin classQueryPlan.SingleQueryPlanNode
-