完善小细节
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37
tradeCattle/emergency_fix_field_length.sql
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37
tradeCattle/emergency_fix_field_length.sql
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-- 紧急修复xq_client_log表字段长度问题
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-- 解决Data truncation错误,确保数据能正常插入
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-- 1. 检查当前字段长度
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SELECT
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COLUMN_NAME,
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DATA_TYPE,
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CHARACTER_MAXIMUM_LENGTH,
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NUMERIC_PRECISION,
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NUMERIC_SCALE
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FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'xq_client_log'
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AND COLUMN_NAME IN ('latitude', 'longitude', 'device_voltage', 'device_temp', 'server_device_id');
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-- 2. 修改所有字段长度为更大的值
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ALTER TABLE xq_client_log MODIFY COLUMN latitude VARCHAR(500) DEFAULT NULL COMMENT '纬度';
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ALTER TABLE xq_client_log MODIFY COLUMN longitude VARCHAR(500) DEFAULT NULL COMMENT '经度';
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ALTER TABLE xq_client_log MODIFY COLUMN device_voltage VARCHAR(500) DEFAULT NULL COMMENT '设备电量';
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ALTER TABLE xq_client_log MODIFY COLUMN device_temp VARCHAR(500) DEFAULT NULL COMMENT '设备温度';
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ALTER TABLE xq_client_log MODIFY COLUMN server_device_id VARCHAR(500) DEFAULT NULL COMMENT '主机设备ID';
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-- 3. 验证修改结果
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SELECT
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COLUMN_NAME,
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DATA_TYPE,
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CHARACTER_MAXIMUM_LENGTH
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FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE()
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AND TABLE_NAME = 'xq_client_log'
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AND COLUMN_NAME IN ('latitude', 'longitude', 'device_voltage', 'device_temp', 'server_device_id');
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-- 4. 清空表并准备重新同步
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TRUNCATE TABLE xq_client_log;
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-- 5. 检查表是否为空
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SELECT COUNT(*) as record_count FROM xq_client_log;
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