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sub2api/backend/migrations/037_add_account_rate_multiplier.sql
李建琦 6d655c9903
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Sub2API v1.0 - AI API 网关(二开初始版本,基于上游 Wei-Shaw/sub2api)
2026-08-21 18:30:13 +08:00

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SQL

-- Add account billing rate multiplier and per-usage snapshot.
--
-- accounts.rate_multiplier: 账号计费倍率(>=0,允许 0 表示该账号计费为 0)。
-- usage_logs.account_rate_multiplier: 每条 usage log 的账号倍率快照,用于实现
-- “倍率调整仅影响之后请求”,并支持同一天分段倍率加权统计。
--
-- 注意:usage_logs.account_rate_multiplier 不做回填、不设置 NOT NULL。
-- 老数据为 NULL 时,统计口径按 1.0 处理(COALESCE)。
ALTER TABLE IF EXISTS accounts
ADD COLUMN IF NOT EXISTS rate_multiplier DECIMAL(10,4) NOT NULL DEFAULT 1.0;
ALTER TABLE IF EXISTS usage_logs
ADD COLUMN IF NOT EXISTS account_rate_multiplier DECIMAL(10,4);