短路预计算rolling因子读取

2026-06-21 00:37:51 +08:00
parent 0f982887a3
commit a368fd5d7f
1 changed files with 7 additions and 4 deletions
@@ -2149,12 +2149,15 @@ impl PlatformExprStrategy {
        lookback: usize,
    ) -> Option<f64> {
        let precomputed = precomputed_stock_rolling_mean(extra_factors, field, lookback);
-        let computed = ctx
-            .data
-            .market_decision_numeric_moving_average(date, symbol, field, lookback);
        if self.config.prefer_precomputed_rolling_factors {
-            precomputed.or(computed)
+            precomputed.or_else(|| {
+                ctx.data
+                    .market_decision_numeric_moving_average(date, symbol, field, lookback)
+            })
        } else {
+            let computed = ctx
+                .data
+                .market_decision_numeric_moving_average(date, symbol, field, lookback);
            computed.or(precomputed)
        }
    }