/// <summary>
/// 或 OR
/// </summary>
/// <param name="where"></param>
/// <param name="left"></param>
/// <param name="right"></param>
/// <returns></returns>
public static WhereExpressionSQL Or(this WhereExpressionSQL where, WhereExpressionSQL left, WhereExpressionSQL right)
{
if (where == null)
{
return Or(left, right);
}
List<IDbDataParameter> list = new List<IDbDataParameter>();
list.AddRange(left.GetParameters());
list.AddRange(right.GetParameters());
return where.AddExpression(string.Format("({0}) OR ({1})", left.GetExpression(), right.GetExpression()), list.ToArray());
}