数据库field 的相关内容

阿里云文档 2025-03-26

数据库中修改字段名称后数据集报Unknown column 'XXX' in 'field list'错误

问题描述Quick BI数据库中修改了字段名称后数据集报错。Unknown column 'XXX' in 'field list'问题原因修改了数据库表字段名称后，预览数据集数据报错。解决方案修改了字段后，在数据集刷新页面，然后点击三个点，点击字段选择，一键清除失效字段，然后勾选修改后的字段。适...

文章 2024-08-28 来自：开发者社区

python Django教程之模型(数据库)、自定义Field、数据表更改、QuerySet API

阅读目录我们设计数据库的时候，早期设计完后，后期会发现不完善，需要对数据表进行更改. Django 1.7.x 及以后的版本集成了 South 的功能，在修改models.py了后运行： Django 1.6.x 及以前：　　　　　　　　　　　　　　python Django教程之模型(数据库)、自定义F...

问答 2024-04-17 来自：开发者社区

OceanBase数据库这些模块都报错 config already exists field？

"2024-04-11T15:30:18.16982+08:00 ERROR [46082,98c0cf852d63ae76] caller=engine/pipeline_module_callback.go:40:addPipeline: add pipeline module config result status: failed, description: module monitor....

文章 2024-04-10 来自：开发者社区

【微信小程序7】云数据库：利用Field获取指定字段的值。

一、Field说明 Collection.field(projection: Object): Collection 支持端：小程序 , 云函数 , Web 指定返回结果中记录需返回的字段 &nb...

问答 2023-01-09 来自：开发者社区

规则引擎流转到实例内时序数据库时是否可以设置多个field

阿里云文档 2019-03-06

如何通过HTTPAPI查询Metric/Field/TagK/TagV_时间序列数据库 TSDB(TSDB)

请求路径和方法请求路径请求方法描述/api/suggestPOST查询 Metric，Field, Tagk，Tagv请求内容名称类型是否必需描述默认值举例typeString是需要查询的类型，metrics，field, tagk，tagv无metricsmetricString否查询指定 met...

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更新时间 2024-08-29 10:22:40

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