完善小细节
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35
tradeCattle/urgent_fix_latitude_field.sql
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35
tradeCattle/urgent_fix_latitude_field.sql
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-- 直接修复xq_client_log表的latitude字段长度问题
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-- 解决Data truncation错误
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-- 1. 检查当前latitude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 = 'latitude';
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-- 2. 修改latitude字段长度为更大的值
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ALTER TABLE xq_client_log MODIFY COLUMN latitude VARCHAR(200) DEFAULT NULL COMMENT '纬度';
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-- 3. 修改longitude字段长度为更大的值
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ALTER TABLE xq_client_log MODIFY COLUMN longitude VARCHAR(200) DEFAULT NULL COMMENT '经度';
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-- 4. 修改其他可能超长的字段
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ALTER TABLE xq_client_log MODIFY COLUMN device_voltage VARCHAR(200) DEFAULT NULL COMMENT '设备电量';
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ALTER TABLE xq_client_log MODIFY COLUMN device_temp VARCHAR(200) DEFAULT NULL COMMENT '设备温度';
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ALTER TABLE xq_client_log MODIFY COLUMN server_device_id VARCHAR(200) DEFAULT NULL COMMENT '主机设备ID';
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-- 5. 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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