cohort14.sql

WITH analytics_data AS (
  SELECT user_pseudo_id, event_timestamp, event_name, 
    UNIX_MICROS(TIMESTAMP("2018-08-01 00:00:00", "-7:00")) AS start_day,
    3600*1000*1000*24*7 AS one_week_micros
  FROM `firebase-public-project.analytics_153293282.events_*`
  WHERE _table_suffix BETWEEN '20180731' AND '20180829'
  AND user_pseudo_id IN ( 
    -- Anybody who received 20 initial extra steps
    SELECT DISTINCT(user_pseudo_id) FROM 
      (SELECT user_pseudo_id,
             (SELECT value.string_value FROM UNNEST(user_properties) WHERE key = "initial_extra_steps") AS initial_steps
       FROM `firebase-public-project.analytics_153293282.events_*`
       WHERE _table_suffix BETWEEN '20180731' AND '20180829'
      )
    WHERE initial_steps = "20"
  )
)