AggregateExpr class

An aggregate call: SUM(x), COUNT(x), AVG(x), MIN(x), MAX(x). The function is one of "SUM", "COUNT", "AVG", "MIN", "MAX". distinct emits DISTINCT (COUNT(DISTINCT x)).

Inheritance

• Object
• Expr
• AggregateExpr

Available extensions

• ExprNavRefFactory

Constructors

AggregateExpr(String function, Expr selector, {bool distinct = false})

const

Properties

distinct → bool

final

function → String

final

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

selector → Expr

final

Methods

accept<R>(ExprVisitor<R> v) → R

External visitor for providers (SQL translator, codegen emitter, …).

override

eval(Map<String, Object?> ctx) → Object?

In-memory evaluation against a context.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited