Trait tidb_query_expr::impl_math::Floor

pub trait Floor {
    type Input: Evaluable + EvaluableRet;
    type Output: EvaluableRet;
    fn floor(
        _ctx: &mut EvalContext, 
        arg: &Self::Input
    ) -> Result<Option<Self::Output>>;
}

Associated Types

type Input: Evaluable + EvaluableRet

type Output: EvaluableRet

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Required methods

fn floor(
    _ctx: &mut EvalContext,
    arg: &Self::Input
) -> Result<Option<Self::Output>>

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Implementors

impl Floor for FloorDecToDec

type Input = Decimal

type Output = Decimal

fn floor(
    ctx: &mut EvalContext,
    arg: &Self::Input
) -> Result<Option<Self::Output>>

impl Floor for FloorDecToInt

type Input = Decimal

type Output = Int

fn floor(
    ctx: &mut EvalContext,
    arg: &Self::Input
) -> Result<Option<Self::Output>>

impl Floor for FloorIntToDec

type Input = Int

type Output = Decimal

fn floor(
    _ctx: &mut EvalContext,
    arg: &Self::Input
) -> Result<Option<Self::Output>>

impl Floor for FloorIntToInt

type Input = Int

type Output = Int

fn floor(
    _ctx: &mut EvalContext,
    arg: &Self::Input
) -> Result<Option<Self::Output>>

impl Floor for FloorReal

type Input = Real

type Output = Real

fn floor(
    _ctx: &mut EvalContext,
    arg: &Self::Input
) -> Result<Option<Self::Output>>

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