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have working correct/incorrect/total/ratio values for every type from a 'single' query in getStats()

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BroodjeAap 2020-11-09 21:49:29 +01:00
parent f9ecd40a10
commit 5c056fa101
1 changed files with 59 additions and 13 deletions
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70
lib/pages/practice/PracticeDatabase.dart
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@ -41,7 +41,7 @@ class PracticeDatabase {
INNER JOIN PracticeAnswer on PracticeSession.id = PracticeAnswer.sessionId;
''');
await database.execute('''
CREATE VIEW AnswersCorrectByTypeView AS
CREATE VIEW AnswersCorrectByTypeViewAll AS
SELECT
type,
SUM(correct = 1)*1.0 AS correct,
@ -53,15 +53,48 @@ class PracticeDatabase {
type;
''');
await database.execute('''
CREATE VIEW AnswersRatioByTypeView AS
CREATE VIEW AnswersCorrectByTypeView7d AS
SELECT
type,
correct,
incorrect,
total,
correct / total AS ratio
SUM(correct = 1)*1.0 AS correct,
SUM(correct = 0)*1.0 AS incorrect,
COUNT(*) AS total,
CAST(
strftime('%s', time)
AS INTEGER
) as time,
CAST(
strftime("%s", DATETIME('now', '-7 day'))
AS INTEGER
) as before
FROM
AnswersCorrectByTypeView
AnswersView
WHERE
time < before
GROUP BY
type;
''');
await database.execute('''
CREATE VIEW AnswersCorrectByTypeView30d AS
SELECT
type,
SUM(correct = 1)*1.0 AS correct,
SUM(correct = 0)*1.0 AS incorrect,
COUNT(*) AS total,
CAST(
strftime('%s', time)
AS INTEGER
) as time,
CAST(
strftime("%s", DATETIME('now', '-1 month '))
AS INTEGER
) as before
FROM
AnswersView
WHERE
time < before
GROUP BY
type;
''');
}
@ -99,14 +132,27 @@ class PracticeDatabase {
type,
correct,
incorrect,
total,
ratio
total
FROM
AnswersRatioByTypeView
AnswersCorrectByTypeViewAll
UNION ALL
SELECT
type,
correct,
incorrect,
total
FROM
AnswersCorrectByTypeView7d
UNION ALL
SELECT
type,
correct,
incorrect,
total
FROM
AnswersCorrectByTypeView30d;
''');
print(answers);
var first = answers.first;
print(first["practice_id"]);
print("something else");
}
}