22 lines
942 B
SQL
22 lines
942 B
SQL
-- 为 trades 表添加「入场思路/过程」字段，便于事后分析策略执行效果
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-- 存储 JSON：signal_strength, market_regime, trend_4h, change_percent, rsi, reason, volume_confirmed 等
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-- 使用动态 SQL 检查列是否存在（兼容已有库）
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SET @column_exists = (
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SELECT COUNT(*)
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FROM information_schema.columns
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WHERE table_schema = DATABASE()
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AND table_name = 'trades'
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AND column_name = 'entry_context'
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);
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SET @sql = IF(@column_exists = 0,
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'ALTER TABLE `trades` ADD COLUMN `entry_context` JSON NULL COMMENT ''入场时的思路与过程（信号强度、市场状态、趋势、过滤通过情况等），便于综合分析策略执行效果'' AFTER `entry_reason`',
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'SELECT "entry_context 列已存在，跳过添加" AS message'
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);
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PREPARE stmt FROM @sql;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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SELECT 'Migration completed: entry_context added to trades (if not exists).' AS result;
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