1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
from sqlalchemy.sql import text
class DBAnalyse:
def __init__(self, db):
self.db = db
def pagedata(self, quiz_id,user1,user2):
sql = "SELECT q.question, q.neg_answer, q.pos_answer, \
a1.answer, a2.answer, \
100 - ABS( a1.answer - a2.answer ) / 10 \
FROM questionaires quiz \
JOIN questions q ON q.id = ANY(quiz.questionset) \
JOIN answers a1 ON a1.user_id = (:user1) \
JOIN answers a2 ON a2.user_id = (:user2) \
WHERE a1.question_id = q.id \
AND a2.question_id = q.id \
AND quiz.id = (:quiz_id);"
return self.db.session.execute( text(sql), {
"quiz_id":quiz_id,
"user1":user1,
"user2":user2
} ).fetchall()
def compare(self, quiz_id,user1,user2):
sql = "SELECT \
AVG (100 - ABS( a1.answer - a2.answer ) / 10 ) \
FROM questionaires quiz \
JOIN questions q ON q.id = ANY(quiz.questionset) \
JOIN answers a1 ON a1.user_id = (:user1) \
JOIN answers a2 ON a2.user_id = (:user2) \
WHERE a1.question_id = q.id \
AND a2.question_id = q.id \
AND quiz.id = (:quiz_id);"
return self.db.session.execute( text(sql), {
"quiz_id":quiz_id,
"user1":user1,
"user2":user2
} ).scalar()
|
