Function sql::plan::query::resolve_func

pub fn resolve_func(
    ecx: &ExprContext<'_>, 
    name: &UnresolvedObjectName, 
    args: &FunctionArgs<Aug>
) -> Result<&'static Func, PlanError>

Resolves the name to a set of function implementations.

If the name does not specify a known built-in function, returns an error.