mysql 1052 ambiguous_mysql错误：Column ‘id’ in field list is ambiguous的解决方法

2024-04-08 05:29:38

[Err] 1052 - Column ‘modify_time‘ in where clause is ambiguous

出错的语句：

SELECT AVG(T.se)%60

FROM

(SELECT TIMESTAMPDIFF(SECOND,first_transfer_time,modify_time) se

FROM xes_appeals

INNER JOIN xes_appeal_templates

WHERE xes_appeals.app_type = xes_appeal_templates.app_type

AND xes_appeals.app_type = 313

AND xes_appeals.first_transfer_time >= ‘2018-11-23 00:00:00‘

AND xes_appeals.first_transfer_time <= ‘2018-11-23 23:59:59‘

AND modify_time >= ‘2018-11-23 00:00:00‘

AND modify_time <= ‘2018-11-23 23:59:59‘

AND xes_appeals.`status` =4

AND xes_appeals.operater_id <> 0

) T

列‘ID‘在字段列表中重复，其实就是两张表有相同的字段，但是使用时表字段的名称前没有加表名，导致指代不明

调整后的：

SELECT AVG(T.se)%60

FROM

(SELECT TIMESTAMPDIFF(SECOND,first_transfer_time,xes_appeals.modify_time) se

FROM xes_appeals

INNER JOIN xes_appeal_templates

WHERE xes_appeals.app_type = xes_appeal_templates.app_type

AND xes_appeals.app_type = 313

AND xes_appeals.first_transfer_time >= ‘2018-11-23 00:00:00‘

AND xes_appeals.first_transfer_time <= ‘2018-11-23 23:59:59‘

AND xes_appeals.modify_time >= ‘2018-11-23 00:00:00‘

AND modify_time <= ‘2018-11-23 23:59:59‘

AND xes_appeals.`status` =4

AND xes_appeals.operater_id <> 0

) T

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