إشعار
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Syntax
Table.IsDistinct(table as table, optional comparisonCriteria as any) as logical
About
Indicates whether the table contains only distinct rows (no duplicates). Returns true if the rows are distinct, false otherwise. An optional parameter, comparisonCriteria, specifies which columns of the table are tested for duplication. If comparisonCriteria is not specified, all columns are tested.
Example 1
Determine if the table is distinct.
Usage
Table.IsDistinct(
Table.FromRecords({
[CustomerID = 1, Name = "Bob", Phone = "123-4567"],
[CustomerID = 2, Name = "Jim", Phone = "987-6543"],
[CustomerID = 3, Name = "Paul", Phone = "543-7890"],
[CustomerID = 4, Name = "Ringo", Phone = "232-1550"]
})
)
Output
true
Example 2
Determine if the table is distinct in column.
Usage
Table.IsDistinct(
Table.FromRecords({
[CustomerID = 1, Name = "Bob", Phone = "123-4567"],
[CustomerID = 2, Name = "Jim", Phone = "987-6543"],
[CustomerID = 3, Name = "Paul", Phone = "543-7890"],
[CustomerID = 5, Name = "Bob", Phone = "232-1550"]
}),
"Name"
)
Output
false