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Syntax
Table.DuplicateColumn(
table as table,
columnName as text,
newColumnName as text,
optional columnType as nullable type
) as table
About
Duplicate the column named columnName to the table table. The values and type for the column newColumnName are copied from column columnName.
Example
Duplicate the column "a" to a column named "copied column" in the table ({[a = 1, b = 2], [a = 3, b = 4]}).
Usage
Table.DuplicateColumn(
Table.FromRecords({
[a = 1, b = 2],
[a = 3, b = 4]
}),
"a",
"copied column"
)
Output
Table.FromRecords({
[a = 1, b = 2, #"copied column" = 1],
[a = 3, b = 4, #"copied column" = 3]
})