FunctionHandler class abstract

Function handlers can be implemented by an Extension to add type analysis for additional function.

Constructors

FunctionHandler()

Constant default constructor to allow const implementations.

const

Properties

functionNames → Set<String>

The set of function names supported by this handler.

no setter

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

inferArgumentType(AnalysisContext context, SqlInvocation call, Expression argument) → ResolveResult

Resolve the type of an argument used in a function invocation.

inferReturnType(AnalysisContext context, SqlInvocation call, List<Typeable> expandedArgs) → ResolveResult

Resolve the return type of a function invocation.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

reportErrors(SqlInvocation call, AnalysisContext context) → void

Can optionally be used by implementations to provide AnalysisErrors from the call.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited