functions

type Dialect interface {
	Name() string

	// LocalizeFunctionRegistry creates a function registry restricts the provided registry down to
	// the subset of functions supported by this dialect. This will return an error if there are
	// functions declared in the dialect that are not available within the provided registry.
	LocalizeFunctionRegistry(registry FunctionRegistry) (LocalFunctionRegistry, error)

	// LocalizeTypeRegistry creates a type registry restricts the provided registry down to
	// the subset of types supported by this dialect. This will return an error if there are
	// types declared in the dialect that are not available within the provided registry.
	LocalizeTypeRegistry(registry TypeRegistry) (LocalTypeRegistry, error)
}

type FunctionName interface {
	// contains filtered or unexported methods
}

type FunctionNotation int

type FunctionRegistry interface {
	GetScalarFunctionsByName(name string) []*extensions.ScalarFunctionVariant
	GetAggregateFunctionsByName(name string) []*extensions.AggregateFunctionVariant
	GetWindowFunctionsByName(name string) []*extensions.WindowFunctionVariant
	// contains filtered or unexported methods
}

type LocalAggregateFunctionVariant struct {
	extensions.AggregateFunctionVariant
	LocalFunctionVariant
}

type LocalFunctionName string

type LocalFunctionRegistry interface {
	GetDialect() Dialect
	// contains filtered or unexported methods
}

type LocalFunctionVariant struct {
	// contains filtered or unexported fields
}

type LocalScalarFunctionVariant struct {
	extensions.ScalarFunctionVariant
	LocalFunctionVariant
}

type LocalTypeRegistry interface {
	// GetTypeFromTypeString gets the Substrait type for a given Substrait standard typeString.
	GetTypeFromTypeString(typeString string) (types.Type, error)

	// GetSubstraitTypeFromLocalType gets the Substrait type for a given local type string.
	GetSubstraitTypeFromLocalType(localType string) (types.Type, error)

	// GetLocalTypeFromSubstraitType gets the local type string for a given Substrait type.
	GetLocalTypeFromSubstraitType(typ types.Type) (string, error)

	// IsTypeSupportedInTables checks whether a particular type is supported in tables.
	// Some types (such as INTERVAL) may only be supported in literal contexts.
	IsTypeSupportedInTables(typ types.Type) bool
}

type LocalWindowFunctionVariant struct {
	extensions.WindowFunctionVariant
	LocalFunctionVariant
}

type SubstraitFunctionName string

type TypeRegistry interface {
	// GetTypeFromTypeString gets the Substrait type for a given Substrait standard typeString.
	// Returns an error if type doesn't parse. This type registry should support both standard types
	// and any available extension types.
	GetTypeFromTypeString(typeString string) (types.Type, error)
}