/// <summary>
/// And
/// </summary>
/// <param name="where"></param>
/// <returns></returns>
public WhereClip And(WhereClip where)
{
if (WhereClip.IsNullOrEmpty(this) && WhereClip.IsNullOrEmpty(where))
{
return(All);
}
if (WhereClip.IsNullOrEmpty(where))
{
return(this);
}
if (WhereClip.IsNullOrEmpty(this))
{
return(where);
}
WhereClip andwhere = new WhereClip(string.Concat(this.Where, " AND ", where.Where));
andwhere.parameters.AddRange(this.Parameters);
andwhere.parameters.AddRange(where.Parameters);
return(andwhere);
}
/// <summary>
/// Or
/// </summary>
/// <param name="leftWhere"></param>
/// <param name="rightWhere"></param>
/// <returns></returns>
public static WhereClip operator |(WhereClip leftWhere, WhereClip rightWhere)
{
if (WhereClip.IsNullOrEmpty(leftWhere))
{
return(rightWhere);
}
return(leftWhere.Or(rightWhere));
}
/// <summary>
/// Or
/// </summary>
/// <param name="where"></param>
/// <returns></returns>
public WhereClip Or(WhereClip where)
{
if (WhereClip.IsNullOrEmpty(this) && WhereClip.IsNullOrEmpty(where))
{
return(All);
}
if (WhereClip.IsNullOrEmpty(where))
{
return(this);
}
if (WhereClip.IsNullOrEmpty(this))
{
return(where);
}
WhereClip orwhere = new WhereClip(string.Concat(this.Where, " OR ", where.Where));
orwhere.parameters.AddRange(this.Parameters);
orwhere.parameters.AddRange(where.Parameters);
return(orwhere);
}
