В настоящее время я работаю над запросом из этого сообщения. Этот запрос написан на устаревшем SQL и не будет работать в моей среде. Я изменил запрос, чтобы использовать современные функции SQL, и обновил SELECT date as date
, чтобы использовать timestamp_micros
.
Я также должен упомянуть, что строки, которые я пытаюсь выбрать, поступают из Firebase Analytics.
Мой запрос:
SELECT
FORMAT_TIMESTAMP('%Y-%m-%d', TIMESTAMP_MICROS(event.timestamp_micros)) as date,
SUM(CASE WHEN period = 7 THEN users END) as days_07,
SUM(CASE WHEN period = 14 THEN users END) as days_14,
SUM(CASE WHEN period = 30 THEN users END) as days_30
FROM (
SELECT
FORMAT_TIMESTAMP('%Y-%m-%d', TIMESTAMP_MICROS(event.timestamp_micros)) as date,
periods.period as period,
COUNT(DISTINCT user_dim.app_info.app_instance_id) as users
FROM `com_sidearm_fanapp_uiowa_IOS.*` as activity
CROSS JOIN
UNNEST(event_dim) as event
CROSS JOIN (
SELECT
FORMAT_TIMESTAMP('%Y-%m-%d', TIMESTAMP_MICROS(event.timestamp_micros)) as date
FROM `com_sidearm_fanapp_uiowa_IOS.*`
CROSS JOIN
UNNEST(event_dim) as event
GROUP BY event.timestamp_micros
) as dates
CROSS JOIN (
SELECT
period
FROM
(
SELECT 7 as period
UNION ALL
SELECT 14 as period
UNION ALL
SELECT 30 as period
)
) as periods
WHERE
dates.date >= activity.date
AND
SAFE_CAST(FLOOR(TIMESTAMP_DIFF(dates.date, activity.date, DAY)/periods.period) AS INT64) = 0
GROUP BY 1,2
)
CROSS JOIN
UNNEST(event_dim) as event
GROUP BY date
ORDER BY date DESC