From 096115bd948c023da31fd20bf3be5513e3aa5d81 Mon Sep 17 00:00:00 2001
From: boris <shuaibo.zhang@hotmail.com>
Date: Fri, 28 Aug 2026 08:31:40 +0800
Subject: [PATCH] perf(core): reuse aligned snapshots in universe scan

---
 crates/fidc-core/src/platform_expr_strategy.rs | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/crates/fidc-core/src/platform_expr_strategy.rs b/crates/fidc-core/src/platform_expr_strategy.rs
index b7abec7..0665c17 100644
--- a/crates/fidc-core/src/platform_expr_strategy.rs
+++ b/crates/fidc-core/src/platform_expr_strategy.rs
@@ -8889,16 +8889,16 @@ impl PlatformExprStrategy {
             if ctx.has_dynamic_universe() && !ctx.dynamic_universe_contains(&factor.symbol) {
                 continue;
             }
+            let snapshots = ctx.data.symbol_snapshots_by_id(date, symbol_id);
             let synthetic_candidate;
-            let candidate =
-                if let Some(candidate) = ctx.data.candidate_by_symbol_id(date, symbol_id) {
-                    candidate
-                } else {
-                    synthetic_candidate =
-                        crate::data::missing_candidate_risk_state(date, &factor.symbol);
-                    &synthetic_candidate
-                };
-            let Some(market) = ctx.data.market_by_symbol_id(date, symbol_id) else {
+            let candidate = if let Some(candidate) = snapshots.candidate {
+                candidate
+            } else {
+                synthetic_candidate =
+                    crate::data::missing_candidate_risk_state(date, &factor.symbol);
+                &synthetic_candidate
+            };
+            let Some(market) = snapshots.market else {
                 continue;
             };
             let (reject_from_universe, selection_decision) = if collect_risk_decisions {