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短路预计算rolling因子读取

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