Trait tidb_query_expr::impl_string::Insert_Fn

trait Insert_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_, Arg3_: RpnFnArg<Type = Option<BytesRef<'arg_>>>, Arg2_: RpnFnArg<Type = Option<&'arg_ Int>>, Arg1_: RpnFnArg<Type = Option<&'arg_ Int>>, Arg0_: RpnFnArg<Type = Option<BytesRef<'arg_>>>> Insert_Fn for Arg<Arg0_, Arg<Arg1_, Arg<Arg2_, Arg<Arg3_, 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> Insert_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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