public static List <PredictDictionary> FromFilters(this PredictorPredictContext ctx, List <Filter> filters, PredictionOptions?options = null)
{
var qd = QueryLogic.Queries.QueryDescription(ctx.Predictor.MainQuery.Query.ToQueryName());
var qr = new QueryRequest
{
QueryName = qd.QueryName,
GroupResults = ctx.Predictor.MainQuery.GroupResults,
Filters = filters, /*Filters of Main Query not considered*/
Columns = ctx.Predictor.MainQuery.Columns.Select(c => new Column(c.Token.Token, null)).ToList(),
Pagination = new Pagination.All(),
Orders = Enumerable.Empty <Order>().ToList(),
};
var mainQueryKeys = PredictorLogic.GetParentKeys(ctx.Predictor.MainQuery);
var rt = QueryLogic.Queries.ExecuteQuery(qr);
var subQueryResults = ctx.Predictor.SubQueries.ToDictionaryEx(sq => sq, sqe =>
{
List <QueryToken> parentKeys = sqe.Columns.Where(a => a.Usage == PredictorSubQueryColumnUsage.ParentKey).Select(a => a.Token.Token).ToList();
QueryDescription sqd = QueryLogic.Queries.QueryDescription(sqe.Query.ToQueryName());
Dictionary <string, string> tokenReplacements = mainQueryKeys.ZipStrict(parentKeys, (m, p) => KVP.Create(m.FullKey(), p.FullKey())).ToDictionaryEx();
Filter[] mainFilters = filters.Select(f => Replace(f, tokenReplacements, sqd)).ToArray();
List <Filter> additionalFilters = sqe.Filters.ToFilterList();
List <Column> allColumns = sqe.Columns.Select(c => new Column(c.Token.Token, null)).ToList();
var qgr = new QueryRequest
{
QueryName = sqe.Query.ToQueryName(),
GroupResults = true,
Filters = mainFilters.Concat(additionalFilters).ToList(),
Columns = allColumns,
Orders = new List <Order>(),
Pagination = new Pagination.All(),
};
ResultTable resultTable = QueryLogic.Queries.ExecuteQuery(qgr);
var tuples = sqe.Columns.Zip(resultTable.Columns, (sqc, rc) => (sqc: sqc, rc: rc)).ToList();
ResultColumn[] entityGroupKey = tuples.Extract(t => t.sqc.Usage == PredictorSubQueryColumnUsage.ParentKey).Select(a => a.rc).ToArray();
ResultColumn[] remainingKeys = tuples.Extract(t => t.sqc.Usage == PredictorSubQueryColumnUsage.SplitBy).Select(a => a.rc).ToArray();
var valuesTuples = tuples;
return(resultTable.Rows.AgGroupToDictionary(
row => row.GetValues(entityGroupKey),
gr => gr.ToDictionaryEx(
row => row.GetValues(remainingKeys),
row => valuesTuples.ToDictionaryEx(t => t.sqc, t => row[t.rc]),
ObjectArrayComparer.Instance
)
));
});
private static double Evaluate(ExecutingProcess ep, PredictorEntity p, Action <decimal?> onProgress)
{
PredictorLogic.TrainSync(p, onReportProgres: (str, val) => onProgress(val));
return(p.ResultValidation !.Loss.Value);
}
