51 lines
1.6 KiB
Markdown
51 lines
1.6 KiB
Markdown
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# T701 — mongo product match indexes
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> Status: `done`
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> Milestone: `M0` · Phase A
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> Kind: `feat` · Est. change: `~120 lines`
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## Goal
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新增產品型 watch 與 ProductMatch 查詢索引，同時保留既有 Opportunity 唯一鍵與舊資料可讀性。
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## Depends on
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- T700
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## Inputs
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- `../spec.md` §6、§8
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- `apps/backend/generate/database/mongo/000014_demand_radar_indexes.*.json`
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- 代表性 nested ProductMatch 查詢與排序條件
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## Outputs
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| 路徑 | 動作 | 說明 |
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|------|------|------|
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| `apps/backend/generate/database/mongo/000015_brand_product_radar_indexes.up.json` | add | watch context、產品查詢與 primary 排序索引 |
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| `apps/backend/generate/database/mongo/000015_brand_product_radar_indexes.down.json` | add | 只移除本 migration 新增索引 |
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| `apps/backend/internal/module/radar/repository/**_test.go` | edit/add | 舊唯一鍵與查詢 shape 測試 |
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## Behavior
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- `(owner_uid, external_id)` 唯一索引不可改成含 product_id。
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- 索引不得依賴所有舊文件都有新欄位。
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- 避免無效 compound multikey 設計；以代表性 explain 確認 product filter 可用索引。
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## Out of scope
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- 資料批次回填或刪除舊索引
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- repository merge 實作（T732）
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## Acceptance
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- [x] migration JSON 可解析，且只新增本 migration 的索引。
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- [x] 既有 owner／external 唯一鍵未被 product_id 改寫。
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```bash
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cd apps/backend && go test ./internal/module/radar/repository/... -count=1
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```
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Implementation result (2026-08-10): added the 000015 watch/opportunity ProductMatch
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query indexes and a migration-shape regression test; the repository package passes.
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