TDengine icon indicating copy to clipboard operation
TDengine copied to clipboard

3.3.5.0版本UNION ALL查询时字段长度不同执行SQL异常

Open river1017 opened this issue 8 months ago • 3 comments

Bug Description 3.3.5.0版本执行以下SQL语句异常: (select 1741708800000 startTime,

        '37KAP1_DL' deviceId,

        1215373850266001408 companyId,

        last(collect_date_time) endTime,

        last(temp.collect_value) - first(temp.collect_value) usage from (

        select

        collect_date_time, collect_value

        from aiot_dasmeasure.measure_data_t1743084587277402113

        where project_id = 1192410229407772672

        and device_id = '37KAP1_DL'

        and collect_date_time >= 1741708800000

        and collect_date_time <= 1745510400000

        and is_delete is null

        order by collect_date_time

        ) temp)

     UNION ALL 

        (select 1741708800000 startTime,

        '37KAP2_DL' deviceId,

        1215373850266001408 companyId,

        last(collect_date_time) endTime,

        last(temp.collect_value) - first(temp.collect_value) usage from (

        select

        collect_date_time, collect_value

        from aiot_dasmeasure.measure_data_t1743084587277402113

        where project_id = 1192410229407772672

        and device_id = '37KAP2_DL'

        and collect_date_time >= 1741708800000

        and collect_date_time <= 1745510400000

        and is_delete is null

        order by collect_date_time

        ) temp)

     UNION ALL 

        (select 1741708800000 startTime,

        '8FPDX_WYGL_3_DL' deviceId,

        1215373861133443072 companyId,

        last(collect_date_time) endTime,

        last(temp.collect_value) - first(temp.collect_value) usage from (

        select

        collect_date_time, collect_value

        from aiot_dasmeasure.measure_data_t1743084587277402113

        where project_id = 1192410229407772672

        and device_id = '8FPDX_WYGL_3_DL'

        and collect_date_time >= 1741708800000

        and collect_date_time <= 1745510400000

        and is_delete is null

        order by collect_date_time

        ) temp)

当把第三段中的8FPDX_WYGL_3_DL长度减少到9位的时候正常,以下SQL能够正常执行: (select 1741708800000 startTime,

        '37KAP1_DL' deviceId,

        1215373850266001408 companyId,

        last(collect_date_time) endTime,

        last(temp.collect_value) - first(temp.collect_value) usage from (

        select

        collect_date_time, collect_value

        from aiot_dasmeasure.measure_data_t1743084587277402113

        where project_id = 1192410229407772672

        and device_id = '37KAP1_DL'

        and collect_date_time >= 1741708800000

        and collect_date_time <= 1745510400000

        and is_delete is null

        order by collect_date_time

        ) temp)

     UNION ALL 

        (select 1741708800000 startTime,

        '37KAP2_DL' deviceId,

        1215373850266001408 companyId,

        last(collect_date_time) endTime,

        last(temp.collect_value) - first(temp.collect_value) usage from (

        select

        collect_date_time, collect_value

        from aiot_dasmeasure.measure_data_t1743084587277402113

        where project_id = 1192410229407772672

        and device_id = '37KAP2_DL'

        and collect_date_time >= 1741708800000

        and collect_date_time <= 1745510400000

        and is_delete is null

        order by collect_date_time

        ) temp)

     UNION ALL 

        (select 1741708800000 startTime,

        'WYGL_3_DL' deviceId,

        1215373861133443072 companyId,

        last(collect_date_time) endTime,

        last(temp.collect_value) - first(temp.collect_value) usage from (

        select

        collect_date_time, collect_value

        from aiot_dasmeasure.measure_data_t1743084587277402113

        where project_id = 1192410229407772672

        and device_id = '8FPDX_WYGL_3_DL'

        and collect_date_time >= 1741708800000

        and collect_date_time <= 1745510400000

        and is_delete is null

        order by collect_date_time

        ) temp)

Expected Behavior 在UNION ALL中长度不一样也能够正常执行

Environment (please complete the following information):

  • TDengine Version [3.3.5.0]

river1017 avatar Apr 03 '25 06:04 river1017

是从哪个版本升级上来的呢

yu285 avatar Apr 07 '25 01:04 yu285

是从哪个版本升级上来的呢

从3.3.3.0升级的

river1017 avatar Apr 07 '25 06:04 river1017

可以远程看下 a15652223354

yu285 avatar May 08 '25 02:05 yu285