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18 changes: 17 additions & 1 deletion crates/asap-aware-mapping/src/cost_model.rs
Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,7 @@ use asap_types::pre_asap::agg_intent::AggIntent;
use asap_types::pre_asap::expr_ir::ColumnRef;
use asap_types::pre_asap::query_expr::QueryExpr;

use crate::lifecycle::LifecycleCostInputs;
use crate::lifecycle::{LifecycleCostInputs, SummaryLifecycleCapabilities};
use crate::recurrence::{
self, Horizon, RecurrenceCostExplanation, RecurrenceError, RecurrenceProfile,
};
Expand Down Expand Up @@ -513,6 +513,22 @@ pub trait CostModel {
fn summary_lifecycle_cost_inputs(&self, _summary: &SummaryNode) -> LifecycleCostInputs {
LifecycleCostInputs::default()
}

/// Physical update/merge/delete support for one concrete summary. The
/// conservative default advertises no long-lived maintenance capability.
fn summary_lifecycle_capabilities(
&self,
_summary: &SummaryNode,
) -> SummaryLifecycleCapabilities {
SummaryLifecycleCapabilities::default()
}

/// Cost of evaluating `target` directly from its logical/raw inputs once.
/// When known, lifecycle-aware materialization compares this fallback with
/// the aggregate cost of the selected summary deployments.
fn raw_query_recompute_cost(&self, _target: &QueryExpr) -> Option<Cost> {
None
}
}

fn sketch_state(
Expand Down
1 change: 1 addition & 0 deletions crates/asap-aware-mapping/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -207,6 +207,7 @@ pub use grouping::{has_subpopulations, HydraGroupingStrategy};
pub use lifecycle::{
plan_summary_lifecycles, LifecycleAlternative, LifecycleCapabilities, LifecycleCostInputs,
LifecyclePlan, LifecyclePlanError, LifecycleRejection, StateDeployment,
SummaryLifecycleCapabilities, WorkloadDemand,
};
pub use recurrence::{
evaluation_rate_of, total_cost, update_rate_from_data_workload, CostRate, EvaluationRate,
Expand Down
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