Table.DuplicateColumn - Power Query

Search…

published

ItemExpression.From

RowExpression.Column

RowExpression.From

Table.AddColumn

Table.AddIndexColumn

Table.AddJoinColumn

Table.AggregateTableColumn

Table.AlternateRows

Table.ColumnCount

Table.ColumnNames

Table.ColumnsOfType

Table.CombineColumns

Table.ContainsAll

Table.ContainsAny

Table.DemoteHeaders

Table.DuplicateColumn

Table.ExpandListColumn

Table.ExpandRecordColumn

Table.ExpandTableColumn

Table.FilterWithDataTable

Table.FirstValue

Table.FromColumns

Table.FromPartitions

Table.FromRecords

Table.FromValue

Table.FuzzyJoin

Table.FuzzyNestedJoin

Table.HasColumns

Table.InsertRows

Table.IsDistinct

Table.MatchesAllRows

Table.MatchesAnyRows

Table.NestedJoin

Table.Partition

Table.PositionOf

Table.PositionOfAny

Table.PrefixColumns

Table.PromoteHeaders

Table.RemoveColumns

Table.RemoveFirstN

Table.RemoveLastN

Table.RemoveMatchingRows

Table.RemoveRows

Table.RemoveRowsWithErrors

Table.RenameColumns

Table.ReorderColumns

Table.ReplaceErrorValues

Table.ReplaceKeys

Table.ReplaceMatchingRows

Table.ReplaceRelationshipIdentity

Table.ReplaceRows

Table.ReplaceValue

Table.ReverseRows

Table.SelectColumns

Table.SelectRows

Table.SelectRowsWithErrors

Table.SingleRow

Table.SplitColumn

Table.ToColumns

Table.ToRecords

Table.TransformColumnNames

Table.TransformColumns

Table.TransformColumnTypes

Table.TransformRows

Table.Transpose

Table.UnpivotOtherColumns

Table.ViewFunction

Tables.GetRelationships

Powered By GitBook

Table.DuplicateColumn

Table.DuplicateColumn
Duplicates a column with the specified name. Values and type are copied from the source column.
function (table as table, columnName as text, newColumnName as text, optional columnType as nullable any) as table
Description
Duplicate the column named columnName to the table table. The values and type for the column newColumnName are copied from coulmn columnName.
Category
Table.Column operations
Examples
Duplicate the column "a" to a column named "copied column" in the table ({[a = 1, b = 2], [a = 3, b = 4]}).
Table.DuplicateColumn(Table.FromRecords({[a = 1, b = 2], [a = 3, b = 4]}), "a", "copied column")
Table.FromRecords({ [ a = 1, b = 2,
    #"copied column" = 1
], [
    a = 3,
    b = 4,
    #"copied column" = 3
]
}, { "a", "b", "copied column" })

Table.ExpandListColumn

Last modified 3yr ago

Copy link

On this page

Table.DuplicateColumn

Description

Category

Examples