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refactor(legacy_expr): step γ3 — WindowedAgg un-fusion bridge #142

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Merged
zzylol merged 1 commit into from
May 12, 2026
Merged

refactor(legacy_expr): step γ3 — WindowedAgg un-fusion bridge #142

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12 changes: 12 additions & 0 deletions controller/src/intent_algebra/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -135,3 +135,15 @@ pub use aggregate_bridge::{
// or later).
pub mod topk_bridge;
pub use topk_bridge::{bridge_topk, BridgeError as TopKBridgeError, BridgedTopK};

// Step γ3 bridge: one-way `legacy_expr::QueryExpr::WindowedAgg` →
// canonical `Window { child: Aggregate { .. } }` helper. Sidesteps the
// 20+ consumers that depend on the fused `WindowedAgg`'s window-sketch
// lifecycle invariant — they continue matching the legacy variant; only
// consumers that want the canonical stacked view call this bridge. The
// legacy variant remains in `legacy_expr.rs` until Step γ7 retires it.
pub mod windowed_agg_bridge;
pub use windowed_agg_bridge::{
bridge_windowed_agg_to_canonical, output_schema_for_windowed_agg,
BridgeError as WindowedAggBridgeError, BridgedWindowedAgg,
};
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