Power Query M Table.ExpandTableColumn( Table.FromRecords({ [ t = Table.FromRecords({ [a = 1, b = 2, c = 3], [a = 2, b = 4, c = 6] }), b = 2 ] }), "t", {"a", "b", "c"}, {"t.a", "t.b", "t.c"} ) ...
M公式: 展开表:= Table.ExpandTableColumn( 表, "待展开列", {"展开列1",..., "展开列n"}, {"新列名1",..., "新列名n"}) 展开列表:= Table.ExpandListColumn( 表, "新列名") 展开记录:= Table.ExpandRecordColumn( 表, "待展开列", {"展开列1",..., "展开列n"}, {"新列名1",......
Power Query M Table.FromRecords({ [Name = "Bob", Discount = 0.15], [Name = "Jim", Discount = 0.15], [Name = "Paul", Discount = 0.15] }) 示例2 拆分嵌套表列 [组件]。 使用情况 Power Query M Table.ExpandListColumn( #table( {"Part", "Components"}, { {"Tool", #table({"Name...
Power Query M Table.FromRecords({ [Name = "Bob", Discount = 0.15], [Name = "Jim", Discount = 0.15], [Name = "Paul", Discount = 0.15] }) 示例2 拆分嵌套表列 [组件]。 使用情况 Power Query M Table.ExpandListColumn( #table( {"Part", "Components"}, { {"Tool", #table({"Name...
newColumnNames:要提供给新列的列名的列表。 新列名不能与新表中的任何列重复。 示例1 将表({[a = [aa = 1, bb = 2, cc = 3], b = 2]})中的列 [a] 扩展为“aa”、“bb”和“cc”3 列。 使用情况 Power Query M复制 Table.ExpandRecordColumn( Table.FromRecords({ [ a = [aa = 1, ...
那知道从6月起要在中间插入一列“其他”，所以变成了这样A-Y列 我在用PowerQuery汇总时用了以下的...
Table.FuzzyNestedJoin Table.Group Table.HasColumns Table.InsertRows Table.IsDistinct Table.IsEmpty Table.Join Table.Keys Table.Last Table.LastN Table.MatchesAllRows Table.MatchesAnyRows Table.Max Table.MaxN Table.Min Table.MinN Table.NestedJoin Table.Partition Table.PartitionValues Table.Pivot Table...
Table.Group Table.HasColumns Table.InsertRows Table.IsDistinct Table.IsEmpty Table.Join Table.Keys Table.Last Table.LastN Table.MatchesAllRows Table.MatchesAnyRows Table.Max Table.MaxN Table.Min Table.MinN Table.NestedJoin Table.Partition Table.PartitionValues Table.Pivot Table.PositionOf Table.Posi...
源= Csv.Document(参数1,[Delimiter=",", Columns=55, Encoding=936, QuoteStyle=QuoteStyle.None]), 提升的标题 = Table.PromoteHeaders(源, [PromoteAllScalars=true]), 整合不同列名称 = if Table.HasColumns(提升的标题,{"标题"}) then Table.RenameColumns(提升的标题,{{"标题","商品名称"}}) else ...
[Delimiter = ",", Columns = 7, Encoding = 65001, QuoteStyle = QuoteStyle.None] ), #"Promoted Headers" = Table.PromoteHeaders(Source, [PromoteAllScalars = true]), #"Changed Type" = Table.TransformColumnTypes( #"Promoted Headers",