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ThearchyHelios
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验收复现：业务日期最晚到明天、今天只写了几行，记出一条 volume_drop。原因有两层： - 比较器 value_drift.daily() 取 last = max(days)，只在 last >= today 时退一天；max 落在明天时退到的是今天这个 还没写完的日子。改成最近一个整天 = min(有数据的最后一天, 昨天)。 - 按日行数的查询 day_volume_sql 只有下界，未来的日子也进了窗口。加上界：数到观察当天（含），第二天起不算 （< 第二天，时间列上当天的时分秒照样算进来，文字存的日期按字符串比同样成立）。签名改成必须传 until。 缺天同样的问题也修了：今天以后的空日子不算缺天；以前那次观察只看到它自己那天（data.until）为止，免得它 窗口里未来的空日子被当成「以前就有过缺天」，挡住这一次真缺的天。断档遇到未来值时离今天是负数，只会报不出、 不会误报，观察本身照实记最新业务日期（目录里也照实给人看），不截未来值，写进了模块说明。 「今天」：原来窗口用 UTC 日期、比较器用 now.date()（也是 UTC），业务日期是本地日期，东八区凌晨 0–8 点会差 一天。统一成服务端所在时区（catalog_profile_observe.local_today，和待办汇总 notify.digest_at 同一个口径）， 写进模块说明。 测试：test_value_drift 两条（未来值不算最近整天、未来空日子不算缺天且历史按 until 截）；test_catalog_observe 两条（SQLite 真跑剖析任务，明天的行不进窗口、不记量跌；local_today 按 TZ 取本地日期）。去掉修复回跑都挂。 金样（tests/fixtures/dialect/*.sql）的 day_volume 一行随上界更新；scripts/dialect_it.py 加了一条「只数到观察 当天」的真库核对。
32 lines
2.7 KiB
SQL
32 lines
2.7 KiB
SQL
-- 剖析与取值观察的 SQL 金样：oracle（tests/test_profile_dialect_golden.py 生成，改动要人审）
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-- stats
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SELECT NUM_ROWS FROM ALL_TABLES WHERE OWNER = 'SALES' AND TABLE_NAME = 'ORDERS';
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-- stats_quoted
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SELECT NUM_ROWS FROM ALL_TABLES WHERE OWNER = SYS_CONTEXT('USERENV', 'CURRENT_SCHEMA') AND TABLE_NAME = 'visits';
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-- bounded
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SELECT COUNT(*) AS n FROM (SELECT * FROM (SELECT 1 AS one FROM sales.orders) WHERE ROWNUM <= 100001) s;
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-- distinct
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SELECT * FROM (SELECT DISTINCT store_code FROM sales.orders WHERE store_code IS NOT NULL) WHERE ROWNUM <= 2000;
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-- distinct_capped
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SELECT * FROM (SELECT DISTINCT store_code FROM (SELECT * FROM (SELECT store_code FROM sales.orders WHERE store_code IS NOT NULL) WHERE ROWNUM <= 100000) s) WHERE ROWNUM <= 2000;
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-- match
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SELECT COUNT(DISTINCT code) AS n FROM stores WHERE code IN ('12', '7');
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-- unique
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SELECT COUNT("level") AS n, COUNT(DISTINCT "level") AS d FROM "visits";
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-- value_counts
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SELECT * FROM (SELECT status, COUNT(*) AS cnt FROM sales.orders WHERE status IS NOT NULL GROUP BY status ORDER BY cnt DESC, status) WHERE ROWNUM <= 21;
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-- value_counts_capped
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SELECT * FROM (SELECT status, COUNT(*) AS cnt FROM (SELECT * FROM (SELECT status FROM sales.orders WHERE status IS NOT NULL) WHERE ROWNUM <= 100000) s WHERE status IS NOT NULL GROUP BY status ORDER BY cnt DESC, status) WHERE ROWNUM <= 21;
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-- min_max
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SELECT MIN(CASE WHEN paid_at >= DATE '0001-01-02' AND paid_at < DATE '9999-12-31' THEN paid_at END), MAX(CASE WHEN paid_at >= DATE '0001-01-02' AND paid_at < DATE '9999-12-31' THEN paid_at END), SUM(CASE WHEN paid_at < DATE '0001-01-02' OR paid_at >= DATE '9999-12-31' THEN 1 ELSE 0 END), MIN(CASE WHEN biz_day >= '0001-01-02' AND biz_day < '9999-12-31' THEN biz_day END), MAX(CASE WHEN biz_day >= '0001-01-02' AND biz_day < '9999-12-31' THEN biz_day END), SUM(CASE WHEN biz_day < '0001-01-02' OR biz_day >= '9999-12-31' THEN 1 ELSE 0 END) FROM sales.orders;
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-- date_window
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SELECT * FROM (SELECT status, COUNT(*) AS cnt FROM sales.orders WHERE paid_at >= DATE '2026-08-27' AND paid_at < DATE '9999-12-31' AND status IS NOT NULL GROUP BY status ORDER BY cnt DESC, status) WHERE ROWNUM <= 21;
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-- day_volume
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SELECT TRUNC(paid_at) AS d, COUNT(*) AS n FROM sales.orders WHERE paid_at >= DATE '2026-08-27' AND paid_at < DATE '2026-10-02' GROUP BY TRUNC(paid_at) ORDER BY d;
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-- sample
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SELECT * FROM (SELECT status, COUNT(*) AS cnt FROM sales.orders SAMPLE BLOCK (1) WHERE status IS NOT NULL GROUP BY status ORDER BY cnt DESC, status) WHERE ROWNUM <= 21;
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-- max_date
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SELECT MAX(paid_at) FROM sales.orders WHERE paid_at >= DATE '0001-01-02' AND paid_at < DATE '9999-12-31';
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-- max_date_text
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SELECT MAX(biz_day) FROM sales.orders WHERE biz_day >= '0001-01-02' AND biz_day < '9999-12-31';
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