mirror of
https://github.com/kuhyx/WUT_Computer_Science.git
synced 2026-07-04 18:43:15 +02:00
119 lines
3.8 KiB
MySQL
119 lines
3.8 KiB
MySQL
-- USE alterscript.sql BEFORE RUNNING THIS SCRIPT (FIRST 7 LINES)
|
|
-- AFTER USING THIS SCRIPT RUN LAST 7 LINES FROM THE SAME FILE
|
|
|
|
truncate table takes_part_in cascade;--
|
|
truncate table takes_place_in cascade;--
|
|
truncate table player cascade;--
|
|
truncate table match cascade;--
|
|
truncate table stadium cascade;--
|
|
truncate table manager cascade;--
|
|
truncate table club cascade;--
|
|
truncate table competition cascade;--competition is last since it has no foreign keys (but club holds a foreign key to competition)
|
|
|
|
declare loops number := 1000;
|
|
begin
|
|
declare many_to_many number := 150;
|
|
begin
|
|
|
|
insert into competition
|
|
select
|
|
level +(select nvl(max(id),0) from competition) as id,
|
|
DBMS_RANDOM.value(0,1000000) as prize,
|
|
dbms_random.string('A', 6) as country,
|
|
DBMS_RANDOM.value(1,5) as reputation
|
|
from dual
|
|
connect by level <=loops
|
|
;
|
|
|
|
insert into manager
|
|
select
|
|
level +(select nvl(max(id),0) from manager) as id,
|
|
DBMS_RANDOM.value(1,5) as skill,
|
|
DBMS_RANDOM.value(1,5) as reputation,
|
|
DBMS_RANDOM.value(18,80) as age,
|
|
DBMS_RANDOM.value(0,1000000) as wage,
|
|
level as club_id
|
|
from dual
|
|
connect by level <=loops
|
|
;
|
|
|
|
insert into club
|
|
select
|
|
level +(select nvl(max(id),0) from club) as id,
|
|
DBMS_RANDOM.value(0,1000000) as budget,
|
|
DBMS_RANDOM.value(1,5)as training_ground_quality,
|
|
DBMS_RANDOM.value(1,5) as reputation,
|
|
dbms_random.string('A', 6) as country_of_origin,
|
|
dbms_random.value(1,loops) as competition_id, --https://stackoverflow.com/questions/27879874/how-to-get-random-foreign-key-in-sql-developer
|
|
level as manager_id
|
|
from dual
|
|
connect by level <=loops
|
|
;
|
|
|
|
insert into stadium
|
|
select
|
|
level +(select nvl(max(id),0) from stadium) as id,
|
|
DBMS_RANDOM.value(0,40000) as capacity,
|
|
DBMS_RANDOM.value(1,5) as reputation,
|
|
dbms_random.string('A', 6) as location,
|
|
DBMS_RANDOM.value(1900,2100) as build_year,
|
|
DBMS_RANDOM.value(0,1000000) as value,
|
|
DBMS_RANDOM.value(0,200) as ticket_price,
|
|
level as club_id
|
|
from dual
|
|
connect by level <=loops
|
|
;
|
|
|
|
insert into match
|
|
select
|
|
level +(select nvl(max(id),0) from match) as id,
|
|
DBMS_RANDOM.value(0,100) as score,
|
|
DBMS_RANDOM.value(1,5) as rating,
|
|
DBMS_RANDOM.value(0, 40000) as attendance,
|
|
dbms_random.string('A', 6) as weather,
|
|
DBMS_RANDOM.value(0,120) as duration,
|
|
To_date(TRUNC(DBMS_RANDOM.VALUE(TO_CHAR(DATE '1900-01-01','J') ,TO_CHAR(DATE '2023-12-31','J'))), 'J') as date2,
|
|
dbms_random.string('A', 6) as referee_name,
|
|
level as competition_id
|
|
from dual
|
|
connect by level <=loops
|
|
;
|
|
|
|
|
|
insert into player
|
|
select
|
|
level +(select nvl(max(id),0) from player) as id,
|
|
DBMS_RANDOM.value(1, 5) as skill,
|
|
dbms_random.string('A', 6) as position,
|
|
DBMS_RANDOM.value(1, 5) as reputation,
|
|
dbms_random.string('A', 6) as contract_status,
|
|
DBMS_RANDOM.value(0, 700) as injuries, -- in days, max injury can take about 2 years (700 days)
|
|
DBMS_RANDOM.value(15, 50) as age,
|
|
DBMS_RANDOM.value(0, 100000000) as wages,
|
|
DBMS_RANDOM.value(0, 1000000000) as transfer_value,
|
|
dbms_random.value(1,loops) as club_id
|
|
from dual
|
|
connect by level <=loops
|
|
;
|
|
|
|
insert into takes_part_in
|
|
SELECT club_id, match_id
|
|
FROM (
|
|
SELECT club.id as club_id, match.id as match_id
|
|
FROM club, match
|
|
ORDER BY DBMS_RANDOM.RANDOM)
|
|
WHERE rownum <= many_to_many;
|
|
|
|
insert into takes_place_in
|
|
SELECT stadium_id, competition_id
|
|
FROM (
|
|
SELECT stadium.id as stadium_id, competition.id as competition_id
|
|
FROM stadium, competition
|
|
ORDER BY DBMS_RANDOM.RANDOM)
|
|
WHERE rownum <= many_to_many;
|
|
|
|
end;
|
|
end;
|
|
|
|
-- USE alterscript.sql BEFORE RUNNING THIS SCRIPT (FIRST 7 LINES)
|
|
-- AFTER USING THIS SCRIPT RUN LAST 7 LINES FROM THE SAME FILE |