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AIRIOT智慧系统搭建平台经验交流

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  2. 设备接入
  3. mqtt数据传输-数据类型变更问题

mqtt数据传输-数据类型变更问题

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  • R Offline
    R Offline
    rui
    wrote on last edited by
    #1

    之前字段传的是数字,改成字符串之后就报错了,我移除了表字段,和关联重新建立,还是会报错?无法存储,相同的字段更改数据类型要如何处理呢?

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    0
  • guangdaG Offline
    guangdaG Offline
    guangda
    wrote on last edited by
    #2

    这个正常不能修改,数据点第一次上数是什么类型以后也要统一类型,之前跟您说过,以后您关注下数据类型吧。

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  • guangdaG Offline
    guangdaG Offline
    guangda
    wrote on last edited by
    #3

    按照这个论坛下面的这个操作方式删除吧,这个表的所有数据点的历史数据都会删除
    https://bbs.airiot.cn/topic/316/关于mqtt设备接入问题/41

    image.png

    R 1 Reply Last reply
    0
  • R Offline
    R Offline
    rui
    replied to guangda on last edited by
    #4

    @guangda
    好的,目前是调试模式,可以接受全部删除

    1 Reply Last reply
    0
  • guangdaG Offline
    guangdaG Offline
    guangda
    wrote on last edited by
    #5

    好的,如果您以后采集设备数据的时候,要关注下类型不变化

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    0
  • R Offline
    R Offline
    rui
    wrote on last edited by
    #6

    布尔值要如何映射呢?我这边设备上传的数字0,1,但是我的表映射为布尔值,还是无法显示

    1 Reply Last reply
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  • guangdaG Offline
    guangdaG Offline
    guangda
    wrote on last edited by
    #7

    字段绑定位置能选择到布尔值字段吗

    R 1 Reply Last reply
    0
  • R Offline
    R Offline
    rui
    replied to guangda on last edited by
    #8

    @guangda 可以绑定,但是界面不会显示最新的数据

    guangdaG 1 Reply Last reply
    0
  • guangdaG Offline
    guangdaG Offline
    guangda
    wrote on last edited by
    #9

    这个mqtt驱动需要处理下,处理完告诉您

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    0
  • guangdaG Offline
    guangdaG Offline
    guangda
    wrote on last edited by
    #10

    刚才和开发确认了,这里是驱动sdk里的逻辑, 所有的布尔值都转成0和1了,为了保存到时序库做的特殊处理,所以布尔类型的表定义字段识别不到,如果你上数是0/1可以不选择布尔型,绑定文本数字的字段把

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  • guangdaG Offline
    guangdaG Offline
    guangda
    replied to rui on last edited by
    #11

    @rui 更新下 布尔值处理了 ws-data V4.0.16

    R 2 Replies Last reply
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  • R Offline
    R Offline
    rui
    replied to guangda on last edited by
    #12

    @guangda 好的

    1 Reply Last reply
    0
  • R Offline
    R Offline
    rui
    replied to guangda on last edited by
    #13

    @guangda 45e2a77f-a9a0-4134-b18b-90314b880bd7-1710233203527.jpg
    我更新后显示出错了呢

    1 Reply Last reply
    0
  • guangdaG Offline
    guangdaG Offline
    guangda
    wrote on last edited by
    #14

    你看下运维里面驱动是不是运行状态

    R 1 Reply Last reply
    0
  • R Offline
    R Offline
    rui
    replied to guangda on last edited by
    #15

    @guangda 7671ab4a-dff8-4e21-a4ab-8a18f98b5ef1-image.png
    这个吗,是在运行

    1 Reply Last reply
    0
  • guangdaG Offline
    guangdaG Offline
    guangda
    wrote on last edited by
    #16

    截图下驱动的日志

    R 1 Reply Last reply
    0
  • R Offline
    R Offline
    rui
    replied to guangda on last edited by
    #17

    @guangda 055eeea9-7c00-4c69-b1b0-685811ceb745-image.png

    1 Reply Last reply
    0
  • guangdaG Offline
    guangdaG Offline
    guangda
    wrote on last edited by
    #18

    平台是什么版本?

    R 1 Reply Last reply
    0
  • R Offline
    R Offline
    rui
    replied to guangda on last edited by
    #19

    @guangda 具体是那个服务呢

    1 Reply Last reply
    0
  • guangdaG Offline
    guangdaG Offline
    guangda
    wrote on last edited by
    #20

    4.0 linux还是windows

    R 1 Reply Last reply
    0

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