TurtleDB
A mini distributed database system
ca.uqac.dim.turtledb.UnaryRelation Class Reference
Inheritance diagram for ca.uqac.dim.turtledb.UnaryRelation:
Collaboration diagram for ca.uqac.dim.turtledb.UnaryRelation:

List of all members.

Classes

class  UnaryRelationCacheIterator
class  UnaryRelationStreamIterator

Public Member Functions

void setRelation (Relation r)
int tupleCount ()

Protected Attributes

Relation m_relation

Detailed Description

Definition at line 20 of file UnaryRelation.java.


Member Function Documentation

Returns the number of actual tuples present in the query. This number is different from the cardinality of the query; it counts the number of tuples that are present in the leaves of the query tree.

Returns:
The tuple count

Implements ca.uqac.dim.turtledb.Relation.

Reimplemented in ca.uqac.dim.turtledb.VariableTable.

Definition at line 30 of file UnaryRelation.java.


Member Data Documentation


The documentation for this class was generated from the following file: