/// <summary>
/// Creates a new DBField reference with the specified owner.table.field name - do not enclose in delimiters
/// </summary>
/// <param name="table">The table (or table alias) this field belongs to</param>
/// <param name="field">The name of the field</param>
/// <param name="owner">The schema owner</param>
/// <param name="catalog">The catalog / database of the field</param>
/// <returns></returns>
public static DBField Field(string catalog, string owner, string table, string field)
{
DBFieldRef fref = new DBFieldRef();
fref.Name = field;
fref.Table = table;
fref.Owner = owner;
fref.Catalog = catalog;
return(fref);
}
/// <summary>
/// Creates a new DBField reference with the specified name - do not enclose in delimiters
/// </summary>
/// <param name="field"></param>
/// <returns></returns>
public static DBField Field(string field)
{
if (string.IsNullOrEmpty(field))
{
throw new ArgumentNullException("field");
}
DBFieldRef fref = new DBFieldRef();
fref.Name = field;
return(fref);
}
/// <summary>
/// Creates a new DBField reference with the specified table.field name - do not enclose in delimiters
/// </summary>
/// <param name="table">The table (or table alias) this field belongs to</param>
/// <param name="field">The name of the field</param>
/// <returns></returns>
public static DBField Field(string table, string field)
{
if (string.IsNullOrEmpty(field))
{
throw new ArgumentNullException("field");
}
//we can get away with table being empty or null.
DBFieldRef fref = new DBFieldRef();
fref.Name = field;
fref.Table = table;
return(fref);
}
//
// static factory methods
//
#region public static DBField Field()
/// <summary>
/// Creates a new empty DBField reference
/// </summary>
/// <returns></returns>
public static DBField Field()
{
DBFieldRef fref = new DBFieldRef();
return(fref);
}