Struct ForeignLibraryModuleRef 

#[repr(transparent)]
pub struct ForeignLibraryModuleRef(pub PrefixRef<ForeignLibraryModule_Prefix>);

Available on crate feature integration-tests only.

This is the pointer to the prefix of ForeignLibraryModule.

This is automatically generated documentation,by the StableAbi derive macro.

Creating a compiletime-constant

You can look at the docs in ::abi_stable::docs::prefix_types to see how you can construct and use this and similar types.
More specifically in the “constructing a module” example or the “Constructing a vtable” example

Tuple Fields

0: PrefixRef<ForeignLibraryModule_Prefix>

Implementations

impl ForeignLibraryModuleRef

pub fn _prefix_type_layout(self) -> &'static PTStructLayout

Accessor to get the layout of the type,used for error messages.

pub fn create_catalog(&self) -> Option<extern "C" fn() -> FFI_CatalogProvider>

Accessor method for the ForeignLibraryModule::create_catalog field.Returns Some(field_value) if the field exists,None if it does not.

pub fn create_table( &self, ) -> Option<extern "C" fn(synchronous: bool) -> FFI_TableProvider>

Accessor method for the ForeignLibraryModule::create_table field.Returns Some(field_value) if the field exists,None if it does not.

pub fn create_scalar_udf(&self) -> Option<extern "C" fn() -> FFI_ScalarUDF>

Accessor method for the ForeignLibraryModule::create_scalar_udf field.Returns Some(field_value) if the field exists,None if it does not.

pub fn create_nullary_udf(&self) -> Option<extern "C" fn() -> FFI_ScalarUDF>

Accessor method for the ForeignLibraryModule::create_nullary_udf field.Returns Some(field_value) if the field exists,None if it does not.

pub fn create_table_function( &self, ) -> Option<extern "C" fn() -> FFI_TableFunction>

Accessor method for the ForeignLibraryModule::create_table_function field.Returns Some(field_value) if the field exists,None if it does not.

pub fn create_sum_udaf(&self) -> Option<extern "C" fn() -> FFI_AggregateUDF>

Accessor method for the ForeignLibraryModule::create_sum_udaf field.Returns Some(field_value) if the field exists,None if it does not.

pub fn create_stddev_udaf(&self) -> Option<extern "C" fn() -> FFI_AggregateUDF>

Accessor method for the ForeignLibraryModule::create_stddev_udaf field.Returns Some(field_value) if the field exists,None if it does not.

pub fn create_rank_udwf(&self) -> Option<extern "C" fn() -> FFI_WindowUDF>

Accessor method for the ForeignLibraryModule::create_rank_udwf field.Returns Some(field_value) if the field exists,None if it does not.

pub fn version(&self) -> Option<extern "C" fn() -> u64>

Accessor method for the ForeignLibraryModule::version field.Returns Some(field_value) if the field exists,None if it does not.

Trait Implementations

impl Clone for ForeignLibraryModuleRef

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl GetPointerKind for ForeignLibraryModuleRef

type PtrTarget = WithMetadata_<ForeignLibraryModule_Prefix, ForeignLibraryModule_Prefix>

What this pointer points to.

type Kind = PK_Reference

The kind of the pointer.

const KIND: PointerKind = <Self::Kind as PointerKindVariant>::VALUE

The value-level version of the Kind associated type.

impl GetStaticEquivalent_ for ForeignLibraryModuleRef

where ForeignLibraryModule: PrefixTypeTrait,

type StaticEquivalent = PrefixRef<_static_ForeignLibraryModule>

The 'static equivalent of Self

impl PrefixRefTrait for ForeignLibraryModuleRef

type PrefixFields = ForeignLibraryModule_Prefix

A struct that contains all the fields of some other struct up to the field annotated with #[sabi(last_prefix_field)] inclusive.

fn from_prefix_ref(this: PrefixRef<Self::PrefixFields>) -> Self

Converts a PrefixRef to Self

fn to_prefix_ref(self) -> PrefixRef<Self::PrefixFields>

Converts Self to a PrefixRef

impl RootModule for ForeignLibraryModuleRef

const BASE_NAME: &'static str = "datafusion_ffi"

The name of the dynamic library,which is the same on all platforms. This is generally the name of the implementation crate.

const NAME: &'static str = "datafusion_ffi"

The name of the library used in error messages.

const VERSION_STRINGS: VersionStrings

The version number of the library that this is a root module of.

fn root_module_statics() -> &'static RootModuleStatics<ForeignLibraryModuleRef>

Gets the statics for Self.

fn initialization(self) -> Result<Self, LibraryError>

Defines behavior that happens once the module is loaded.

const CONSTANTS: RootModuleConsts = _

All the constants of this trait and supertraits.

const CONSTANTS_NO_ABI_INFO: RootModuleConsts = _

Like Self::CONSTANTS, except without including the type layout constant for the root module.

fn get_module() -> Option<Self>

Gets the root module,returning None if the module is not yet loaded.

fn get_raw_library() -> Option<&'static RawLibrary>

Gets the RawLibrary of the module, returning None if the dynamic library failed to load (it doesn’t exist or layout checking failed).

fn get_library_path(directory: &Path) -> PathBuf

Returns the path the library would be loaded from,given a directory(folder).

fn load_module_with<F, E>(f: F) -> Result<Self, E>

where F: FnOnce() -> Result<Self, E>,

Loads the root module,with a closure which either returns the root module or an error.

fn load_from(where_: LibraryPath<'_>) -> Result<Self, LibraryError>

Loads this module from the path specified by where_, first loading the dynamic library if it wasn’t already loaded.

fn load_from_directory(where_: &Path) -> Result<Self, LibraryError>

Loads this module from the directory specified by where_, first loading the dynamic library if it wasn’t already loaded.

fn load_from_file(path_: &Path) -> Result<Self, LibraryError>

Loads this module from the file at path_, first loading the dynamic library if it wasn’t already loaded.

impl StableAbi for ForeignLibraryModuleRef

where ForeignLibraryModule: PrefixTypeTrait,

const LAYOUT: &'static TypeLayout = <__sabi_re::PrefixRef<ForeignLibraryModule_Prefix> as __sabi_re::StableAbi>::LAYOUT

The layout of the type provided by implementors.

type IsNonZeroType = True

Whether this type has a single invalid bit-pattern.

const ABI_CONSTS: AbiConsts = _

const-equivalents of the associated types.

impl Copy for ForeignLibraryModuleRef