create materialized view total_time_mins (learnerHash String, eventDate Date, minForDay AggregateFunction(min, DateTime)) Engine=AggregatingMergeTree(eventDate, (learnerHash, eventDate), 8192) populate as select learnerHash, eventDate, minState(eventTime) as minForDay from statements group by learnerHash, eventDate
Все ок, данные есть.
SELECT count()
FROM total_time_mins
┌─count()─┐
│ 438016 │
└─────────┘
Выполняю запрос
SELECT
learnerHash,
eventDate,
if(eventTime = minForDay, 0, runningDifference(eventTime)) AS diff
FROM statements
ANY LEFT JOIN
(
SELECT
minMerge(minForDay) AS minForDay,
learnerHash,
eventDate
FROM total_time_mins
GROUP BY
learnerHash,
eventDate
) USING (learnerHash, eventDate)
WHERE learnerHash = '354a14cd09a23d093ab7fa8887be37ed'
ORDER BY
learnerHash ASC,
eventTime ASC
Получаю ошибку DB::Exception: Table cursometr.total_time_mins doesn't exist..
Если отдельно выполнить подзапрос, то все ок считается. В чем проблема? :(