Trait tidb_query_expr::impl_cast::CastAnyAsString_Fn [−][src]
Required methods
fn eval(
self,
ctx: &mut EvalContext,
output_rows: usize,
args: &[RpnStackNode<'_>],
extra: &mut RpnFnCallExtra<'_>,
metadata: &(dyn Any + Send)
) -> Result<VectorValue>
[src]
self,
ctx: &mut EvalContext,
output_rows: usize,
args: &[RpnStackNode<'_>],
extra: &mut RpnFnCallExtra<'_>,
metadata: &(dyn Any + Send)
) -> Result<VectorValue>
Implementors
impl<'arg_, T: ConvertTo<Bytes> + Evaluable + EvaluableRet, Arg0_: RpnFnArg<Type = Option<&'arg_ T>>> CastAnyAsString_Fn<T> for Arg<Arg0_, Null>
[src]
default fn eval(
self,
ctx: &mut EvalContext,
output_rows: usize,
args: &[RpnStackNode<'_>],
extra: &mut RpnFnCallExtra<'_>,
metadata: &(dyn Any + Send)
) -> Result<VectorValue>
[src]
self,
ctx: &mut EvalContext,
output_rows: usize,
args: &[RpnStackNode<'_>],
extra: &mut RpnFnCallExtra<'_>,
metadata: &(dyn Any + Send)
) -> Result<VectorValue>
impl<T: ConvertTo<Bytes> + Evaluable + EvaluableRet, D_: ArgDef> CastAnyAsString_Fn<T> for D_
[src]
default fn eval(
self,
ctx: &mut EvalContext,
output_rows: usize,
args: &[RpnStackNode<'_>],
extra: &mut RpnFnCallExtra<'_>,
metadata: &(dyn Any + Send)
) -> Result<VectorValue>
[src]
self,
ctx: &mut EvalContext,
output_rows: usize,
args: &[RpnStackNode<'_>],
extra: &mut RpnFnCallExtra<'_>,
metadata: &(dyn Any + Send)
) -> Result<VectorValue>