Trait tidb_query_expr::impl_control::IfConditionBytes_Fn

trait IfConditionBytes_Fn {
    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_, Arg2_: RpnFnArg<Type = Option<BytesRef<'arg_>>>, Arg1_: RpnFnArg<Type = Option<BytesRef<'arg_>>>, Arg0_: RpnFnArg<Type = Option<&'arg_ Int>>> IfConditionBytes_Fn for Arg<Arg0_, Arg<Arg1_, Arg<Arg2_, Null>>>

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

impl<D_: ArgDef> IfConditionBytes_Fn 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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