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AIclinicalresearch/backend/migrations/add_data_stats_to_tool_c_session.sql
HaHafeng e59676342a docs(pkb): Add development records and update system status
Summary:
- Add PKB module development record for 2026-01-07
- Create PKB module status document (00-模块当前状态与开发指南.md)
- Update system status document to v2.7

Documents added:
- docs/03-业务模块/PKB-个人知识库/06-开发记录/2026-01-07_PKB模块前端V3设计实现.md
- docs/03-业务模块/PKB-个人知识库/00-模块当前状态与开发指南.md

Documents updated:
- docs/00-系统总体设计/00-系统当前状态与开发指南.md

PKB module progress: 75% complete
- Frontend Dashboard: 90%
- Frontend Workspace: 85%
- 3 work modes implemented
- Batch processing API pending debug
2026-01-07 10:35:03 +08:00

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-- 为 DcToolCSession 添加 dataStats 字段
-- 用于缓存数据统计信息,支持数据探索问答功能
--
-- 执行方法psql -d airesearch_v2 -f add_data_stats_to_tool_c_session.sql
\c airesearch_v2
-- 添加字段
ALTER TABLE dc_schema.dc_tool_c_sessions
ADD COLUMN IF NOT EXISTS data_stats JSONB NULL;
-- 添加注释
COMMENT ON COLUMN dc_schema.dc_tool_c_sessions.data_stats IS '数据统计信息缓存(用于数据探索问答):{totalRows, columnStats}';
-- 验证
SELECT column_name, data_type, is_nullable
FROM information_schema.columns
WHERE table_schema = 'dc_schema'
AND table_name = 'dc_tool_c_sessions'
AND column_name = 'data_stats';
\echo '✅ 字段 data_stats 已成功添加到 dc_tool_c_sessions 表'