/// <summary>
/// Execute a query and return the results.
/// </summary>
/// <param name="where">A WhereDelegate that recieves a ParentColumns
/// and returns a IQueryFilter which is the result of any comparisons
/// between ParentColumns and other values
/// </param>
/// <param name="orderBy">
/// Specifies what column and direction to order the results by
/// </param>
/// <param name="database"></param>
public static ParentCollection Where(WhereDelegate <ParentColumns> where, OrderBy <ParentColumns> orderBy = null, Database database = null)
{
database = database ?? Db.For <Parent>();
var results = new ParentCollection(database, database.GetQuery <ParentColumns, Parent>(where, orderBy), true);
return(results);
}
/// <summary>
/// Return every record in the Parent table.
/// </summary>
/// <param name="database">
/// The database to load from or null
/// </param>
public static ParentCollection LoadAll(Database database = null)
{
SqlStringBuilder sql = new SqlStringBuilder();
sql.Select <Parent>();
Database db = database ?? Db.For <Parent>();
var results = new ParentCollection(sql.GetDataTable(db));
results.Database = db;
return(results);
}
private static Parent OneOrThrow(ParentCollection c)
{
if (c.Count == 1)
{
return(c[0]);
}
else if (c.Count > 1)
{
throw new MultipleEntriesFoundException();
}
return(null);
}
/// <summary>
/// This method is intended to respond to client side Qi queries.
/// Use of this method from .Net should be avoided in favor of
/// one of the methods that take a delegate of type
/// WhereDelegate<ParentColumns>.
/// </summary>
/// <param name="where"></param>
/// <param name="database"></param>
public static ParentCollection Where(QiQuery where, Database database = null)
{
var results = new ParentCollection(database, Select <ParentColumns> .From <Parent>().Where(where, database));
return(results);
}