Create a custom aggregate column.
Namespace:
Tortuga.Chain.Aggregates
Assembly:
Tortuga.Chain.Core (in Tortuga.Chain.Core.dll)
public CustomAggregateColumn(
string selectExpression,
string outputColumnName,
bool groupBy
)
Public Sub New ( _
selectExpression As String, _
outputColumnName As String, _
groupBy As Boolean _
)
public:
CustomAggregateColumn(
String^ selectExpression,
String^ outputColumnName,
bool^ groupBy
)
Parameters
- selectExpression
- Type: String
The SQL expression to use.
- outputColumnName
- Type: String
Name of output column.
- groupBy
- Type: Boolean
Indicates whether the expression is also used for grouping.
| Exception | Condition |
|---|
| [ArgumentException] | asColumnName is null or empty. |
