public ColumnSchema(
	TableSchema table,
	string name,
	DbType dataType,
	string nativeType,
	int size,
	byte precision,
	int scale,
	bool allowDBNull
)

Public Sub New ( 
	table As TableSchema,
	name As String,
	dataType As DbType,
	nativeType As String,
	size As Integer,
	precision As Byte,
	scale As Integer,
	allowDBNull As Boolean
)