| Class | Description |
|---|---|
| AlgebraicOperator |
AlgebraicOperator: The base class for all algebraic operators.
|
| Group | |
| InitialProjection |
InitialProjection: An initial projection -- used to project out
attributes before the final projection (this is a hack, really, but
it will do for now).
|
| Join |
Join: An algebraic join operator.
|
| Projection |
Projection: The algebraic representation of a projection.
|
| Qualification |
Qualification: The base class of all algebraic qualifications.
|
| Selection |
Selection: The algebraic representation of a selection.
|
| Sort | |
| Variable |
Variable: Encapsulates a qualification/projection variable.
|
| VariableValueQualification |
VariableValueQualification: A qualification between a variable and
a value.
|
| VariableVariableQualification |
VariableVariableQualification: A qualification between two
variables.
|
| Enum | Description |
|---|---|
| Qualification.Relationship |