Understanding Power Query M functions Accessing data functions Binary functions Combiner functions Comparer functions Date functions DateTime functions DateTimeZone functions Duration functions Error handling functions Expression functions Function values Lines functions List functions Logical functions Logical function...
Logical.From根据给定值创建逻辑。 Logical.FromText从文本值“true”和“false”创建逻辑值。 Logical.ToText返回给定逻辑值的文本“true”或“false”。 反馈 此页面是否有帮助? 是否 提供产品反馈| 询问社区 其他资源 培训 模块 了解如何使用基本公式增强和自定义 Power Apps 画布应用。
Power Query M 复制 ValidateUrlScheme = (url as text) as text => if (Uri.Parts(url)[Scheme] <> "https") then error "Url scheme must be HTTPS" else url; 若要应用它,只需在数据访问函数中包装 url 参数。Power Query M 复制 DataAccessFunction = (url as text) as table => let _...
= Table.AddColumn(重命名的列, "IsTOGreaterThan0", each if [TurnoverCurrentYear] >0 then "Y" else if [TurnoverCurrentYear]is null then "Y"else "N") Ref:Power Query里多条件判断时需要注意的null值处理问题_51CTO博客_power query null...
创建Power Query 连接器 使用Power Query SDK 开发连接器 Power Query SDK Power Query SDK 概述 创建第一个连接器项目 - Hello World 概念 附加连接器功能 处理身份验证 为连接器配置 Microsoft Entra ID 处理数据访问 ODBC 开发 处理资源路径 处理分页 ...
作为一个不怎么用 PowerQuery 的人,最近在清洗数据时遇到了一个有趣的错误提示,为什么说它有趣,因为 PQ(编辑查询)中大部分提示是很直白的,比如:”无法将值 null 转换为类型 Logical”,一看就知道是列混入了多种类型的数据,无法转换为统一格式。还有一类错误提示描述的比较模糊,让人第一眼无法理解。比如下面这个...
Logical.FromText(text as nullable text) as nullable logical 关于从文本值 text(“true”或“false”)创建逻辑值。 如果 text 包含不同的字符串,则会引发异常。 text 文本值不区分大小写。示例1从文本字符串“true”创建逻辑值。使用情况Power Query M 复制 ...
Invoke-Sqlcmd takes a query in text form and sends it to SQL Server for processing. The results are returned in object form and standard PowerShell functions can be used to manipulate the data as necessary. It takes either a standard Transact-SQL query or an XQuery statement as input. ...
Logical 48 3.1 Logical.FromText 48 3.2 Logical.ToText 48 3.3 Logical.From 48 4. Date50 4.1 Date.FromText 50 4.2 Date.ToText 50 4.3 Date.From 51 4.4 Date.ToRecord 52 4.5 Date.Year 52 4.6 Date.Month 53 4.7 Date.Day 53 4.8 Date.AddDays 53 4.9 Date.AddWeeks 54 4.10 Date.AddMonths...
(and, some time in the near future, Microsoft Windows® 2000 and IIS 5) platform. The primary function of this database is to govern the local IIS server—similarly to the Windows Registry. The hierarchical structure of the Metabase has been designed to provide logical avenues to the ...