;
WITH totals
AS (SELECT parent_id,
title,
counters.*
FROM(
SELECT organizer,
COUNT(*) AS total,
SUM(CASE WHEN workflow = 0 AND isVirtual = 0 THEN 1 ELSE 0 END) AS countPull,
SUM(CASE WHEN workflow = 1 AND isVirtual = 0 AND isMicroTraining = 0 THEN 1 ELSE 0 END) AS countPush,
SUM(CASE WHEN isMicroTraining = 1 THEN 1 ELSE 0 END) AS countMicro,
SUM(CASE WHEN workflow IN (0,1) AND isVirtual = 1 THEN 1 ELSE 0 END) as countVirtual
FROM tblTrainings
JOIN tblTrainingTitles ON tblTrainings.trainingTitle_id = tblTrainingTitles.id
JOIN tblItems ON tblItems.id = tblTrainings.id AND tblItems.deleted IS NULL
WHERE
((@dateRange_start IS NULL AND startDate <= @dateRange_end)
OR (@dateRange_end IS NULL AND startDate >= @dateRange_start)
OR (startDate >= @dateRange_start AND startDate <= @dateRange_end))
GROUP BY organizer) AS counters
JOIN tblOrganisationUnits ON tblOrganisationUnits.id = organizer
WHERE @mandator_id IS NULL OR tblOrganisationUnits.mandator_id = @mandator_id),
totalsCTE(organizer,
parent_id,
title,
fullName,
total,
countPull,
countPush,
countMicro,
countVirtual)
AS (SELECT organizer,
parent_id,
title,
CAST(title AS NVARCHAR(1024))AS fullName,
total,
countPull,
countPush,
countMicro,
countVirtual
FROM totals
WHERE parent_id IS NULL
UNION ALL
SELECT t.organizer,
t.parent_id,
t.title,
CAST(totalsCTE.fullName + '/' + CAST(t.title AS NVARCHAR(1024))AS NVARCHAR(1024))AS fullName,
t.total,
t.countPull,
t.countPush,
t.countMicro,
t.countVirtual
FROM totals AS t
INNER JOIN totalsCTE ON totalsCTE.organizer = t.parent_id)
SELECT fullName AS Veranstalter, total as 'Anzahl Termine',
countPush as 'Push-Seminare',
countPull as 'Pull-Seminare',
countMicro as 'Micro-Trainings',
countVirtual as 'Virtuelle Seminare'
FROM totalsCTE ORDER BY fullName