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sanguo
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sanguo_vnpy_v2
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claude_dev
3304ff46b2
perf(data): 四热路径日期区间SARGable化——substr(datetime,1,10)对索引列套函数打不进复合索引datetime列,每股扫全量日线史取短窗——08-25晨9:30生产实锤:momentum选股1/2(RPS池)174s未达<60s验收,阶段日志精确定罪(过滤段含双seek仅7.8s);病根=PanelFetcher的30天窗SQL每只股扫~5000行日线史取~22行,3226只≈1600万行=174s量级吻合。修=裸列datetime>=start AND datetime<end+1天排他上界(与按日期前10位比较在d裸日期/15m·5m时间戳两格式下语义严格等价,含end当日全部行排除次日),区间打进复合索引第4列每股只扫窗口行。四处同病同修:PanelFetcher宽表/PriceFetcher逐只get_price/limit-status近2根90天窗(原substr版90天下界同样打不进索引)/datareader CTA回测K线。+3测试:防回潮扫描(三文件钉死禁substr谓词)+双格式边界行为(d裸日期与15m时间戳end当日含次日排)+get_price同语义;portfolio+data_platform 644绿;待VPS探针终验计时 [vps]
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2026-08-25 20:54:40 +08:00
claude_dev
f9322a7c48
feat(provider): TET窄试点B——P0四方法Fetcher化(_ex新接口,strict fail-fast),老接口零改动 [vps]
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2026-08-14 23:44:39 +08:00