20211116183103

WITH
  users AS (
  SELECT
    *
  FROM
    `logs.registeredUsers`),
  initiallyForgotten AS (
  SELECT
    DISTINCT userID,
    schedule,
    cardID
  FROM
    `logs.reviews`
  JOIN
    `users`
  USING
    (userID)
  WHERE
    cardID IN UNNEST([
“HpQN6NxQs6Y8kdS6XOVY”,
“UN7bsEiQmjXFQ9wsPjvL”,
“44wRCJhM0SSLoyfFyhDs”,
“1ENYKL02RT8aidhI917F”,
“DsKjxLEnyp7KzC93t1YX”,
“Sgl5VJI79NB6b22EqTn3”,
“LorT6689duDMfrlASd3O”,
“17fsggSIuqxnhKFwOI2g”,
“v3vTMn9bAA0joehFnsRK”,
“s4N3L6iTy93DK5F0mh6i”
    ])
   ),
  subsequentReviews AS (
  SELECT
    *,
    RANK() OVER (PARTITION BY userID, cardID ORDER BY timestamp) AS fullReviewCount
  FROM
    `logs.reviews`
  JOIN
    initiallyForgotten
  USING
    (userID,
      cardID)
  WHERE
    sessionID IS NOT NULL
    AND (beforeInterval > 1000*60*60*48 OR schedule=“original”))
SELECT
  beforeInterval / (1000*60*60*24),
  COUNT(DISTINCT userID) AS N,
  COUNT(*) AS promptN,
  COUNTIF(reviewMarking=“remembered”) / COUNT(*) AS accuracy
FROM
  subsequentReviews
WHERE
  fullReviewCount = 1
GROUP BY
  beforeInterval
ORDER BY
  beforeInterval