protected EntityField2(
	string name,
	IExpression expressionToApply,
	AggregateFunction aggregateFunctionToApply,
	Type dataType,
	string objectAlias,
	int maxLength,
	byte precision,
	byte scale
)

Protected Sub New ( 
	name As String,
	expressionToApply As IExpression,
	aggregateFunctionToApply As AggregateFunction,
	dataType As Type,
	objectAlias As String,
	maxLength As Integer,
	precision As Byte,
	scale As Byte
)