private static void GetDistinctSalesOrderDetails(Db db, DbAggregateQueryBuilder queryBuilder, SalesOrderDetail model)
{
SalesOrderDetail d;
queryBuilder.From(db.SalesOrderDetail, out d)
.AutoSelect()
.OrderBy(d.SalesOrderDetailID);
}
/// <summary>
/// Creates child query from aggregate query builder.
/// </summary>
/// <typeparam name="TChild">Type of child model.</typeparam>
/// <param name="initializer">The child model initializer.</param>
/// <param name="getChildModel">The delegate to get child model.</param>
/// <param name="buildQuery">The aggregate query builder.</param>
/// <param name="ct">The async cancellation token.</param>
/// <returns>The child query.</returns>
public async Task <DbQuery <TChild> > CreateChildAsync <TChild>(Action <TChild> initializer, Func <T, TChild> getChildModel, Action <DbAggregateQueryBuilder, TChild> buildQuery, CancellationToken ct = default(CancellationToken))
where TChild : Model, new()
{
buildQuery.VerifyNotNull(nameof(buildQuery));
var childModel = VerifyCreateChild(initializer, getChildModel);
await EnsureSequentialTempTableCreatedAsync(DbSession, ct);
if (SequentialKeyTempTable.InitialRowCount == 0)
{
return(null);
}
var queryBuilder = new DbAggregateQueryBuilder(childModel);
buildQuery(queryBuilder, childModel);
return(DbSession.PerformCreateQuery(childModel, queryBuilder.BuildQueryStatement(null)));
}
