Struct Log2 

pub struct Log2 { /* private fields */ }

Implementations

impl Log2

pub fn new() -> Self

Trait Implementations

impl Default for Log2

fn default() -> Self

Returns the “default value” for a type.

impl Function for Log2

fn kinds(&self) -> &[FunctionKind]

fn accumulator( &self, _ctx: &mut FunctionContext<'_>, ) -> Option<Box<dyn Accumulator>>

impl<'a> Routine<FunctionContext<'a>> for Log2

fn info(&self) -> &RoutineInfo

fn return_type(&self, _input_types: &[Type]) -> Type

fn execute( &self, ctx: &mut FunctionContext<'a>, args: &Columns, ) -> Result<Columns, RoutineError>

fn accepted_types(&self) -> InputTypes

fn propagates_options(&self) -> bool

fn attaches_row_metadata(&self) -> bool

fn call(&self, ctx: &mut C, args: &Columns) -> Result<Columns, RoutineError>