Struct cassandra_cpp::FunctionMeta

pub struct FunctionMeta(_);

The metadata for a function

Methods

impl FunctionMeta

fn fields_iter(&self) -> FieldIterator

Iterator over the fields in this function

fn get_name(&self) -> String

Gets the name of the function.

fn full_name(&self) -> String

Gets the full name of the function. The full name includes the function's name and the function's signature: "name(type1 type2.. typeN)".

fn body(&self) -> String

Gets the body of the function.

fn language(&self) -> String

Gets the language of the function.

fn called_on_null_input(&self) -> bool

Gets whether a function is called on "null".

fn argument_count(&self) -> usize

Gets the number of arguments this function takes.

fn argument(&self, index: usize) -> Result<()>

Gets the function's argument name and type for the provided index.

fn argument_type_by_name(&self, name: &str) -> ConstDataType

Gets the function's argument and type for the provided name.

fn return_type(&self) -> ConstDataType

Gets the return type of the function.

fn field_by_name(&self, name: &str) -> Value

Gets a metadata field for the provided name. Metadata fields allow direct access to the column data found in the underlying "functions" metadata table.

Trait Implementations

impl Debug for FunctionMeta

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.