ExprNode class abstract

Base class for all expression nodes in the expression AST.

This type-safe system prevents injection attacks by disallowing arbitrary string expressions and only allowing structured, validated operations.

All expressions are evaluated atomically using current field values from the record at update time, preventing race conditions.

Implementers

• BinaryOp
• Constant
• FieldRef
• FunctionCall
• IfElse
• IsInsert
• IsUpdate
• TimestampExpr
• UnaryOp
• When

Available extensions

• ExprNodeOperators

Constructors

ExprNode()

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 %(ExprNode other) → BinaryOp

Available on ExprNode, provided by the ExprNodeOperators extension

Modulo operator: this % other

operator *(ExprNode other) → BinaryOp

Available on ExprNode, provided by the ExprNodeOperators extension

Multiplication operator: this * other

operator +(ExprNode other) → BinaryOp

Available on ExprNode, provided by the ExprNodeOperators extension

Addition operator: this + other

operator -(ExprNode other) → BinaryOp

Available on ExprNode, provided by the ExprNodeOperators extension

Subtraction operator: this - other

operator /(ExprNode other) → BinaryOp

Available on ExprNode, provided by the ExprNodeOperators extension

Division operator: this / other

operator ==(Object other) → bool

The equality operator.

inherited

operator unary-() → UnaryOp

Available on ExprNode, provided by the ExprNodeOperators extension

Unary negation operator: -this