1 CREATE TABLE survey (

2 id SERIAL4 PRIMARY KEY,

3 title TEXT NOT NULL,

4 text TEXT NOT NULL,

5 finished_title TEXT NOT NULL,

6 finished_text TEXT NOT NULL,

7 created TIMESTAMPTZ NOT NULL DEFAULT now(),

8 open_from TIMESTAMPTZ NOT NULL,

9 open_until TIMESTAMPTZ NOT NULL

10 );

11

12 CREATE TABLE survey_question (

13 id SERIAL4 PRIMARY KEY,

14 survey_id INT4 NOT NULL REFERENCES survey(id),

15 position INT4 NOT NULL,

16 question TEXT NOT NULL,

17 description TEXT,

18 answer_type TEXT NOT NULL,

19 answer_options json

20 );

21

22 CREATE TABLE survey_answer_set (

23 ident TEXT NOT NULL PRIMARY KEY,

24 survey_id INT4 NOT NULL REFERENCES survey(id)

25 );

26

27 CREATE TABLE survey_answer (

28 id SERIAL8 PRIMARY KEY,

29 survey_answer_set_ident TEXT NOT NULL REFERENCES survey_answer_set(ident) ON DELETE CASCADE,

30 survey_question_id INT4 NOT NULL REFERENCES survey_question(id),

31 answer TEXT NOT NULL

32 );

33

34 CREATE TABLE survey_member (

35 id SERIAL4 PRIMARY KEY,

36 survey_id INT4 NOT NULL REFERENCES survey(id),

37 member_id INT4 NOT NULL REFERENCES member(id),

38 survey_answer_set_ident TEXT REFERENCES survey_answer_set(ident),

39 started TIMESTAMPTZ DEFAULT now(),

40 finished TIMESTAMPTZ,

41 rejected TIMESTAMPTZ

42 );

43

44 INSERT INTO survey (id, title, text, finished_text, open_from, open_until) VALUES (

45 1,

46 'Example survey',

47 'This is just an example',

48 '<strong>Done!</strong><br>You finished it. Thank you very much.',

49 '2021-10-06 12:00',

50 '2021-10-14 12:00'

51 );

52

53 INSERT INTO survey_question (survey_id, position, question, answer_type, answer_options) VALUES

54 (1, 1, 'What color do you like?', 'radio', '[ "Red", "Green", "Blue" ]'),

55 (1, 2, 'What form do you like?', 'radio', '[ "Square", "Circle", "Hexagon" ]')

56 ;

57

58