TurtleDB
A mini distributed database system
|
Classes | |
class | UnaryRelationCacheIterator |
class | UnaryRelationStreamIterator |
Public Member Functions | |
void | setRelation (Relation r) |
int | tupleCount () |
Protected Attributes | |
Relation | m_relation |
Definition at line 20 of file UnaryRelation.java.
Definition at line 24 of file UnaryRelation.java.
int ca.uqac.dim.turtledb.UnaryRelation.tupleCount | ( | ) | [virtual] |
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.
Implements ca.uqac.dim.turtledb.Relation.
Reimplemented in ca.uqac.dim.turtledb.VariableTable.
Definition at line 30 of file UnaryRelation.java.
Definition at line 22 of file UnaryRelation.java.