完善小细节

tradeCattle/add_device_id_to_xq_client_log.sql

@@ -0,0 +1,33 @@
+-- 为xq_client_log表添加device_id字段
+-- 解决SQLSyntaxErrorException: Unknown column 'device_id' in 'field list'错误
+
+-- 检查字段是否已存在，如果不存在则添加
+SET @sql = (SELECT IF(
+    (SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS 
+     WHERE TABLE_SCHEMA = DATABASE() 
+     AND TABLE_NAME = 'xq_client_log' 
+     AND COLUMN_NAME = 'device_id') > 0,
+    'SELECT "device_id字段已存在" as message',
+    'ALTER TABLE xq_client_log ADD COLUMN device_id varchar(50) NOT NULL COMMENT "项圈编号" AFTER id'
+));
+
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+-- 为device_id字段添加索引
+SET @sql2 = (SELECT IF(
+    (SELECT COUNT(*) FROM INFORMATION_SCHEMA.STATISTICS 
+     WHERE TABLE_SCHEMA = DATABASE() 
+     AND TABLE_NAME = 'xq_client_log' 
+     AND INDEX_NAME = 'idx_device_id') > 0,
+    'SELECT "device_id索引已存在" as message',
+    'ALTER TABLE xq_client_log ADD INDEX idx_device_id (device_id)'
+));
+
+PREPARE stmt2 FROM @sql2;
+EXECUTE stmt2;
+DEALLOCATE PREPARE stmt2;
+
+-- 显示表结构确认
+DESCRIBE xq_client_log;