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| -- 1. 在 trading_decisions 表添加 JSON 列存储 asset requests | |
| ALTER TABLE trading_decisions | |
| ADD COLUMN asset_requests_data JSONB; | |
| -- 2. 在特定行初始化 asset requests 数据 | |
| -- (InvestorAgent, 2025-08-01, BTC) | |
| UPDATE trading_decisions | |
| SET asset_requests_data = '[]'::jsonb | |
| WHERE agent_name = 'InvestorAgent' | |
| AND date = '2025-08-01' | |
| AND asset = 'BTC'; | |
| -- 3. 创建索引以提高查询性能(可选) | |
| CREATE INDEX IF NOT EXISTS idx_asset_requests_data | |
| ON trading_decisions USING GIN (asset_requests_data); | |