Function select_execution_plan_drafting 

pub fn select_execution_plan_drafting<F: ExecutionPlanBackendFactory>(
    factory: &F,
    plan: &ExecutionPlan,
    target: &SelectedExecutionPlanTarget<F::Backend>,
    external_artifact: Option<ExternalDraftArtifact<F::DrafterPreparation>>,
) -> Result<SelectedExecutionPlanDrafting<F::SelectedDrafterPreparation>, AutomaticPlanningError>

Selects drafting materialization before any native target realization.