| Interface | Description |
|---|---|
| ADQLConstraint |
An ADQL constraint (comparison, in, exists, ...) must implement this interface.
|
| Class | Description |
|---|---|
| Between |
It represents the BETWEEN predicate of SQL and ADQL.
|
| Comparison |
Represents a comparison (numeric or not) between two operands.
|
| ConstraintsGroup |
Represents a parenthesized list of constraints.
|
| Exists |
Represents the predicate EXISTS of SQL and ADQL.
|
| In |
It represents the IN predicate of SQL and ADQL.
|
| IsNull |
Represents a comparison between a column to the NULL value.
|
| NotConstraint |
Lets apply the logical operator NOT on any constraint.
|
| Enum | Description |
|---|---|
| ComparisonOperator |
Gathers all comparison operators (numeric or not).
|