- Added Section.Continuation. - Added not null to Lecture.Section_ID (although possibly redundant).

nigel.stanger / Handbook

Browse code - Added Section.Continuation. - Added not null to Lecture.Section_ID (although possibly redundant). - Commented out test data. master
1 parent 87435ab commit 7d1bbde360f1b8563e87e286f87166d400cd6ab4 nstanger authored on 5 Dec 2008

Patch

Showing 1 changed file

Ignore Space Show notes View calendar/calendar_schema.psql
create table Paper_Offering ( Paper_ID char(18), Paper_Code char(7) not null, Year_Offered smallint not null, Period_Code char(2) not null, Campus_Code char(3) not null, primary key ( Paper_ID ) ); -------------------------------------------------------------------------------- -- -- TRIG_Generate_Paper_ID -- -- Trigger to automatically generate a paper identifier. -- create function Generate_Paper_ID() returns trigger as ' begin if (new.Paper_ID is null) then new.Paper_ID := new.Paper_Code \|\| ''_'' \|\| new.Period_Code \|\| new.Campus_Code \|\| ''_'' \|\| new.Year_Offered; end if; return new; end; ' language 'plpgsql'; create trigger Generate_Paper_ID before insert on Paper_Offering for each row execute procedure Generate_Paper_ID(); create table Week ( Paper_ID char(18), Start_Date date, End_Date date not null check ( End_Date > Start_Date ), Is_Holiday boolean default false not null, primary key ( Paper_ID, Start_Date ), foreign key ( Paper_ID ) references Paper_Offering ); create table Section ( Paper_ID char(18), Section_ID varchar(10), Title text not null, Continuation text not null, -- needed if a section spans mid-semester break URL text, primary key ( Paper_ID, Section_ID ), foreign key ( Paper_ID ) references Paper_Offering ); create table Lecture ( Paper_ID char(18), Week_Starting date, Lecture_Date date check ( Lecture_Date >= Week_Starting ), Title text not null, URL text, Section_ID varchar(10) not null, Is_Holiday boolean default false not null, primary key ( Paper_ID, Week_Starting, Lecture_Date ), foreign key ( Paper_ID, Week_Starting ) references Week, foreign key ( Paper_ID, Section_ID ) references Section ); create table Other_Class ( Paper_ID char(18), Week_Starting date, Class_Type varchar(10) check ( Class_Type in ( 'laboratory', 'tutorial' ) ), Title text not null, URL text, primary key ( Paper_ID, Week_Starting, Class_Type ), foreign key ( Paper_ID, Week_Starting ) references Week ); create table Reading ( Paper_ID char(18), Week_Starting date, Content text not null, primary key ( Paper_ID, Week_Starting ), foreign key ( Paper_ID, Week_Starting ) references Week ); create table Assessment ( Paper_ID char(18), Week_Starting date, -- We're assuming here that we'll never have two assessments for the same -- paper due at exactly the same time. This seems reasonable. Deadline timestamp without time zone, Title text not null, URL text, primary key ( Paper_ID, Week_Starting, Deadline ), foreign key ( Paper_ID, Week_Starting ) references Week ); -- Some test data. --insert into paper_offering (paper_Code, year_offered, period_code, campus_code) values ('INFO212', 2009, 'S1', 'DNS'); --insert into paper_offering (paper_Code, year_offered, period_code, campus_code) values ('INFO321', 2009, 'S2', 'DNS'); -- --insert into week values ('INFO212_S1DNS_2009', date '2009-03-02', date '2009-03-06', false); --insert into week values ('INFO212_S1DNS_2009', date '2009-03-09', date '2009-03-13', false); --insert into week values ('INFO212_S1DNS_2009', date '2009-03-30', date '2009-04-03', false); --insert into week values ('INFO212_S1DNS_2009', date '2009-04-13', date '2009-04-17', true); -- --insert into section values ('INFO212_S1DNS_2009', 'intro', 'Introduction', 'http://info-nts-12.otago.ac.nz/info212/Lectures/Chapter0combined.pdf'); --insert into section values ('INFO212_S1DNS_2009', 'RDBMS', 'Relational DBMS', 'http://info-nts-12.otago.ac.nz/info212/Lectures/Chapter1combined.pdf'); -- --insert into lecture values ('INFO212_S1DNS_2009', date '2009-03-02', date '2009-03-02', 'Introduction', null, 'intro', false); --insert into lecture values ('INFO212_S1DNS_2009', date '2009-03-02', date '2009-03-05', 'What is a DBMS?', null, 'RDBMS', false); --insert into lecture values ('INFO212_S1DNS_2009', date '2009-03-09', date '2009-03-09', 'Functions of a DBMS', null, 'RDBMS', false); --insert into lecture values ('INFO212_S1DNS_2009', date '2009-03-09', date '2009-03-12', 'The relational model', null, 'RDBMS', false); -- --insert into other_class values ('INFO212_S1DNS_2009', date '2009-03-09', 'laboratory', 'Introduction (Oracle, TOAD)', 'http://info-nts-12.otago.ac.nz/info212/Labs/lab01/lab01-questions.html'); --insert into other_class values ('INFO212_S1DNS_2009', date '2009-03-09', 'tutorial', 'Database management systems', 'http://info-nts-12.otago.ac.nz/info212/Tutorials/tut01/tut01-questions.html'); -- --insert into reading values ('INFO212_S1DNS_2009', date '2009-03-02', 'Text Chs. 1 & 2'); --insert into reading values ('INFO212_S1DNS_2009', date '2009-03-09', 'Text �1�2'); -- --insert into assessment values ('INFO212_S1DNS_2009', date '2009-03-30', timestamp '2009-04-01 17:00:00', 'Assignment 1', 'http://info-nts-12.otago.ac.nz/info212/assessment/Assignment1.html'); create table Paper_Offering ( Paper_ID char(18), Paper_Code char(7) not null, Year_Offered smallint not null, Period_Code char(2) not null, Campus_Code char(3) not null, primary key ( Paper_ID ) ); -------------------------------------------------------------------------------- -- -- TRIG_Generate_Paper_ID -- -- Trigger to automatically generate a paper identifier. -- create function Generate_Paper_ID() returns trigger as ' begin if (new.Paper_ID is null) then new.Paper_ID := new.Paper_Code \|\| ''_'' \|\| new.Period_Code \|\| new.Campus_Code \|\| ''_'' \|\| new.Year_Offered; end if; return new; end; ' language 'plpgsql'; create trigger Generate_Paper_ID before insert on Paper_Offering for each row execute procedure Generate_Paper_ID(); create table Week ( Paper_ID char(18), Start_Date date, End_Date date not null check ( End_Date > Start_Date ), Is_Holiday boolean default false not null, primary key ( Paper_ID, Start_Date ), foreign key ( Paper_ID ) references Paper_Offering ); create table Section ( Paper_ID char(18), Section_ID varchar(10), Title text not null, URL text, primary key ( Paper_ID, Section_ID ), foreign key ( Paper_ID ) references Paper_Offering ); create table Lecture ( Paper_ID char(18), Week_Starting date, Lecture_Date date check ( Lecture_Date >= Week_Starting ), Title text not null, URL text, Section_ID varchar(10), Is_Holiday boolean default false not null, primary key ( Paper_ID, Week_Starting, Lecture_Date ), foreign key ( Paper_ID, Week_Starting ) references Week, foreign key ( Paper_ID, Section_ID ) references Section ); create table Other_Class ( Paper_ID char(18), Week_Starting date, Class_Type varchar(10) check ( Class_Type in ( 'laboratory', 'tutorial' ) ), Title text not null, URL text, primary key ( Paper_ID, Week_Starting, Class_Type ), foreign key ( Paper_ID, Week_Starting ) references Week ); create table Reading ( Paper_ID char(18), Week_Starting date, Content text not null, primary key ( Paper_ID, Week_Starting ), foreign key ( Paper_ID, Week_Starting ) references Week ); create table Assessment ( Paper_ID char(18), Week_Starting date, -- We're assuming here that we'll never have two assessments for the same -- paper due at exactly the same time. This seems reasonable. Deadline timestamp without time zone, Title text not null, URL text, primary key ( Paper_ID, Week_Starting, Deadline ), foreign key ( Paper_ID, Week_Starting ) references Week ); -- Some test data. insert into paper_offering (paper_Code, year_offered, period_code, campus_code) values ('INFO212', 2009, 'S1', 'DNS'); insert into paper_offering (paper_Code, year_offered, period_code, campus_code) values ('INFO321', 2009, 'S2', 'DNS'); insert into week values ('INFO212_S1DNS_2009', date '2009-03-02', date '2009-03-06', false); insert into week values ('INFO212_S1DNS_2009', date '2009-03-09', date '2009-03-13', false); insert into week values ('INFO212_S1DNS_2009', date '2009-03-30', date '2009-04-03', false); insert into week values ('INFO212_S1DNS_2009', date '2009-04-13', date '2009-04-17', true); insert into section values ('INFO212_S1DNS_2009', 'intro', 'Introduction', 'http://info-nts-12.otago.ac.nz/info212/Lectures/Chapter0combined.pdf'); insert into section values ('INFO212_S1DNS_2009', 'RDBMS', 'Relational DBMS', 'http://info-nts-12.otago.ac.nz/info212/Lectures/Chapter1combined.pdf'); insert into lecture values ('INFO212_S1DNS_2009', date '2009-03-02', date '2009-03-02', 'Introduction', null, 'intro', false); insert into lecture values ('INFO212_S1DNS_2009', date '2009-03-02', date '2009-03-05', 'What is a DBMS?', null, 'RDBMS', false); insert into lecture values ('INFO212_S1DNS_2009', date '2009-03-09', date '2009-03-09', 'Functions of a DBMS', null, 'RDBMS', false); insert into lecture values ('INFO212_S1DNS_2009', date '2009-03-09', date '2009-03-12', 'The relational model', null, 'RDBMS', false); insert into other_class values ('INFO212_S1DNS_2009', date '2009-03-09', 'laboratory', 'Introduction (Oracle, TOAD)', 'http://info-nts-12.otago.ac.nz/info212/Labs/lab01/lab01-questions.html'); insert into other_class values ('INFO212_S1DNS_2009', date '2009-03-09', 'tutorial', 'Database management systems', 'http://info-nts-12.otago.ac.nz/info212/Tutorials/tut01/tut01-questions.html'); insert into reading values ('INFO212_S1DNS_2009', date '2009-03-02', 'Text Chs. 1 & 2'); insert into reading values ('INFO212_S1DNS_2009', date '2009-03-09', 'Text �1�2'); insert into assessment values ('INFO212_S1DNS_2009', date '2009-03-30', timestamp '2009-04-01 17:00:00', 'Assignment 1', 'http://info-nts-12.otago.ac.nz/info212/assessment/Assignment1.html');

Ignore Space Show notes View

calendar/calendar_schema.psql

create table Paper_Offering
( Paper_ID      char(18),
  Paper_Code    char(7) not null,
  Year_Offered  smallint not null,
  Period_Code   char(2) not null,
  Campus_Code   char(3) not null,
  
  primary key ( Paper_ID )
);

--------------------------------------------------------------------------------
--
-- TRIG_Generate_Paper_ID
--
-- Trigger to automatically generate a paper identifier.
--
create function Generate_Paper_ID() returns trigger as '
  begin
    if (new.Paper_ID is null) then
      new.Paper_ID := new.Paper_Code || ''_'' ||
                      new.Period_Code || new.Campus_Code || ''_'' ||
                      new.Year_Offered;
    end if;
    return new;
  end;
' language 'plpgsql';

create trigger Generate_Paper_ID before insert on Paper_Offering
    for each row execute procedure Generate_Paper_ID();

create table Week
( Paper_ID      char(18),
  Start_Date    date,
  End_Date      date not null check ( End_Date > Start_Date ),
  Is_Holiday    boolean default false not null,
  
  primary key ( Paper_ID, Start_Date ),
  foreign key ( Paper_ID ) references Paper_Offering
);

create table Section
( Paper_ID      char(18),
  Section_ID    varchar(10),
  Title         text not null,
  Continuation  text not null, -- needed if a section spans mid-semester break
  URL           text,
  
  primary key ( Paper_ID, Section_ID ),
  foreign key ( Paper_ID ) references Paper_Offering
);

create table Lecture
( Paper_ID      char(18),
  Week_Starting date,
  Lecture_Date  date check ( Lecture_Date >= Week_Starting ),
  Title         text not null,
  URL           text,
  Section_ID    varchar(10) not null,
  Is_Holiday    boolean default false not null,
  
  primary key ( Paper_ID, Week_Starting, Lecture_Date ),
  foreign key ( Paper_ID, Week_Starting ) references Week,
  foreign key ( Paper_ID, Section_ID ) references Section
);

create table Other_Class
( Paper_ID      char(18),
  Week_Starting date,
  Class_Type    varchar(10) check ( Class_Type in ( 'laboratory', 'tutorial' ) ),
  Title         text not null,
  URL           text,
  
  primary key ( Paper_ID, Week_Starting, Class_Type ),
  foreign key ( Paper_ID, Week_Starting ) references Week
);

create table Reading
( Paper_ID      char(18),
  Week_Starting date,
  Content       text not null,
  
  primary key ( Paper_ID, Week_Starting ),
  foreign key ( Paper_ID, Week_Starting ) references Week
);

create table Assessment
( Paper_ID      char(18),
  Week_Starting date,
  -- We're assuming here that we'll never have two assessments for the same
  -- paper due at exactly the same time. This seems reasonable.
  Deadline      timestamp without time zone,
  Title         text not null,
  URL           text,
  
  primary key ( Paper_ID, Week_Starting, Deadline ),
  foreign key ( Paper_ID, Week_Starting ) references Week
);

-- Some test data.
--insert into paper_offering (paper_Code, year_offered, period_code, campus_code) values ('INFO212', 2009, 'S1', 'DNS');
--insert into paper_offering (paper_Code, year_offered, period_code, campus_code) values ('INFO321', 2009, 'S2', 'DNS');
--
--insert into week values ('INFO212_S1DNS_2009', date '2009-03-02', date '2009-03-06', false);
--insert into week values ('INFO212_S1DNS_2009', date '2009-03-09', date '2009-03-13', false);
--insert into week values ('INFO212_S1DNS_2009', date '2009-03-30', date '2009-04-03', false);
--insert into week values ('INFO212_S1DNS_2009', date '2009-04-13', date '2009-04-17', true);
--
--insert into section values ('INFO212_S1DNS_2009', 'intro', 'Introduction', 'http://info-nts-12.otago.ac.nz/info212/Lectures/Chapter0combined.pdf');
--insert into section values ('INFO212_S1DNS_2009', 'RDBMS', 'Relational DBMS', 'http://info-nts-12.otago.ac.nz/info212/Lectures/Chapter1combined.pdf');
--
--insert into lecture values ('INFO212_S1DNS_2009', date '2009-03-02', date '2009-03-02', 'Introduction', null, 'intro', false);
--insert into lecture values ('INFO212_S1DNS_2009', date '2009-03-02', date '2009-03-05', 'What is a DBMS?', null, 'RDBMS', false);
--insert into lecture values ('INFO212_S1DNS_2009', date '2009-03-09', date '2009-03-09', 'Functions of a DBMS', null, 'RDBMS', false);
--insert into lecture values ('INFO212_S1DNS_2009', date '2009-03-09', date '2009-03-12', 'The relational model', null, 'RDBMS', false);
--
--insert into other_class values ('INFO212_S1DNS_2009', date '2009-03-09', 'laboratory', 'Introduction (Oracle, TOAD)', 'http://info-nts-12.otago.ac.nz/info212/Labs/lab01/lab01-questions.html');
--insert into other_class values ('INFO212_S1DNS_2009', date '2009-03-09', 'tutorial', 'Database management systems', 'http://info-nts-12.otago.ac.nz/info212/Tutorials/tut01/tut01-questions.html');
--
--insert into reading values ('INFO212_S1DNS_2009', date '2009-03-02', 'Text Chs. 1 & 2');
--insert into reading values ('INFO212_S1DNS_2009', date '2009-03-09', 'Text �1�2');
--
--insert into assessment values ('INFO212_S1DNS_2009', date '2009-03-30', timestamp '2009-04-01 17:00:00', 'Assignment 1', 'http://info-nts-12.otago.ac.nz/info212/assessment/Assignment1.html');

create trigger Generate_Paper_ID before insert on Paper_Offering
    for each row execute procedure Generate_Paper_ID();

create table Section
( Paper_ID      char(18),
  Section_ID    varchar(10),
  Title         text not null,
  URL           text,
  
  primary key ( Paper_ID, Section_ID ),
  foreign key ( Paper_ID ) references Paper_Offering
);

create table Lecture
( Paper_ID      char(18),
  Week_Starting date,
  Lecture_Date  date check ( Lecture_Date >= Week_Starting ),
  Title         text not null,
  URL           text,
  Section_ID    varchar(10),
  Is_Holiday    boolean default false not null,
  
  primary key ( Paper_ID, Week_Starting, Lecture_Date ),
  foreign key ( Paper_ID, Week_Starting ) references Week,
  foreign key ( Paper_ID, Section_ID ) references Section
);

-- Some test data.
insert into paper_offering (paper_Code, year_offered, period_code, campus_code) values ('INFO212', 2009, 'S1', 'DNS');
insert into paper_offering (paper_Code, year_offered, period_code, campus_code) values ('INFO321', 2009, 'S2', 'DNS');

insert into week values ('INFO212_S1DNS_2009', date '2009-03-02', date '2009-03-06', false);
insert into week values ('INFO212_S1DNS_2009', date '2009-03-09', date '2009-03-13', false);
insert into week values ('INFO212_S1DNS_2009', date '2009-03-30', date '2009-04-03', false);
insert into week values ('INFO212_S1DNS_2009', date '2009-04-13', date '2009-04-17', true);

insert into section values ('INFO212_S1DNS_2009', 'intro', 'Introduction', 'http://info-nts-12.otago.ac.nz/info212/Lectures/Chapter0combined.pdf');
insert into section values ('INFO212_S1DNS_2009', 'RDBMS', 'Relational DBMS', 'http://info-nts-12.otago.ac.nz/info212/Lectures/Chapter1combined.pdf');

insert into lecture values ('INFO212_S1DNS_2009', date '2009-03-02', date '2009-03-02', 'Introduction', null, 'intro', false);
insert into lecture values ('INFO212_S1DNS_2009', date '2009-03-02', date '2009-03-05', 'What is a DBMS?', null, 'RDBMS', false);
insert into lecture values ('INFO212_S1DNS_2009', date '2009-03-09', date '2009-03-09', 'Functions of a DBMS', null, 'RDBMS', false);
insert into lecture values ('INFO212_S1DNS_2009', date '2009-03-09', date '2009-03-12', 'The relational model', null, 'RDBMS', false);

insert into other_class values ('INFO212_S1DNS_2009', date '2009-03-09', 'laboratory', 'Introduction (Oracle, TOAD)', 'http://info-nts-12.otago.ac.nz/info212/Labs/lab01/lab01-questions.html');
insert into other_class values ('INFO212_S1DNS_2009', date '2009-03-09', 'tutorial', 'Database management systems', 'http://info-nts-12.otago.ac.nz/info212/Tutorials/tut01/tut01-questions.html');

insert into reading values ('INFO212_S1DNS_2009', date '2009-03-02', 'Text Chs. 1 & 2');
insert into reading values ('INFO212_S1DNS_2009', date '2009-03-09', 'Text �1�2');

insert into assessment values ('INFO212_S1DNS_2009', date '2009-03-30', timestamp '2009-04-01 17:00:00', 'Assignment 1', 'http://info-nts-12.otago.ac.nz/info212/assessment/Assignment1.html');

Show line notes below