QuerySelect class abstract

Representing query select targets in a uniform, abstract way.

To allow different DatabaseAdapter implementations to interpret or implement selection and aggregation in different ways (e.g. convert to SQL statements).

See: WildcardSelect DataField AggregateSelect

Implementers

• AggregateSelect
• DataField
• ExpressionSelect
• FieldSelect
• WildcardSelect

Constructors

QuerySelect()

const

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Constants

count → const AggregateSelect

Convenience getter for a count aggregation with alias 'count'.