WindowFunctionsLag Method (Object, Object) |
Creates a LAG(scalar_expression, offset, defaultValue) function call returning a value of the type the scalar expression resolves to
Namespace:
SD.LLBLGen.Pro.QuerySpec
Assembly:
SD.LLBLGen.Pro.ORMSupportClasses (in SD.LLBLGen.Pro.ORMSupportClasses.dll) Version: 5.10.0.0 (5.10.0)
Syntax public static FunctionMappingExpression Lag(
Object scalar_expression,
Object offset
)
Public Shared Function Lag (
scalar_expression As Object,
offset As Object
) As FunctionMappingExpression
Parameters
- scalar_expression
- Type: SystemObject
the value to return - offset
- Type: SystemObject
The number of rows back from the current row from which to obtain a value. offset can be a column, subquery,
or other expression that evaluates to a positive integer or can be implicitly converted to bigint. offset cannot be a negative value
Return Value
Type:
FunctionMappingExpressionFunction mapping expression representing the function call
Remarks Be sure to append an Over() clause to this function call.
See Also