Trait tidb_query_expr::impl_op::IntIsTrue_Fn

trait IntIsTrue_Fn<K: KeepNull> {
    fn eval(
        self, 
        ctx: &mut EvalContext, 
        output_rows: usize, 
        args: &[RpnStackNode<'_>], 
        extra: &mut RpnFnCallExtra<'_>, 
        metadata: &(dyn Any + Send)
    ) -> Result<VectorValue>;
}

Required methods

fn eval(
    self,
    ctx: &mut EvalContext,
    output_rows: usize,
    args: &[RpnStackNode<'_>],
    extra: &mut RpnFnCallExtra<'_>,
    metadata: &(dyn Any + Send)
) -> Result<VectorValue>

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Implementors

impl<'arg_, K: KeepNull, Arg0_: RpnFnArg<Type = Option<&'arg_ Int>>> IntIsTrue_Fn<K> for Arg<Arg0_, Null>

default fn eval(
    self,
    ctx: &mut EvalContext,
    output_rows: usize,
    args: &[RpnStackNode<'_>],
    extra: &mut RpnFnCallExtra<'_>,
    metadata: &(dyn Any + Send)
) -> Result<VectorValue>

impl<K: KeepNull, D_: ArgDef> IntIsTrue_Fn<K> for D_

default fn eval(
    self,
    ctx: &mut EvalContext,
    output_rows: usize,
    args: &[RpnStackNode<'_>],
    extra: &mut RpnFnCallExtra<'_>,
    metadata: &(dyn Any + Send)
) -> Result<VectorValue>

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