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working basic percentage of correct 'all' answers

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BroodjeAap 2020-11-09 20:33:15 +01:00
parent ba77cf2c94
commit e445b121e3
1 changed files with 14 additions and 1 deletions
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15
lib/pages/practice/PracticeDatabase.dart
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@ -71,7 +71,20 @@ class PracticeDatabase {
static Future<Map<String, dynamic>> getStats() async { static Future<Map<String, dynamic>> getStats() async {
var db = await getDatabase(); var db = await getDatabase();
List<Map<String, dynamic>> answers = await db.rawQuery('''SELECT * FROM AnswersView;'''); List<Map<String, dynamic>> answers = await db.rawQuery('''
SELECT
type,
SUM(correct = 1) AS correct,
SUM(correct = 0) AS incorrect,
(
(SUM(correct = 1)*1.0) /
(SUM(correct = 0) + SUM(correct = 1))
) as ratio
FROM
AnswersView
GROUP BY
type;
''');
print(answers); print(answers);
var first = answers.first; var first = answers.first;
print(first["practice_id"]); print(first["practice_id"]);