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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: 5.8.0.0 (5.8.21.0111)
Syntax
Copy
public static FunctionMappingExpression Lag(
	Object scalar_expression,
	Object offset
)

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: FunctionMappingExpression
Function mapping expression representing the function call
Remarks
Be sure to append an Over() clause to this function call.
See Also