update schema
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1 changed files with 40 additions and 4 deletions
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@ -26,7 +26,7 @@ CREATE TRIGGER lng_upd_trg
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BEFORE UPDATE
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ON languages
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FOR EACH ROW
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EXECUTE PROCEDURE lng_upd_trg_fn();
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EXECUTE FUNCTION lng_upd_trg_fn();
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@ -64,8 +64,11 @@ CREATE TABLE IF NOT EXISTS contest_problem
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(
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contest_id INT REFERENCES contests ON DELETE CASCADE,
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problem_id INT REFERENCES problems ON DELETE CASCADE,
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position INT NOT NULL,
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position_name VARCHAR(10) NOT NULL, -- problem name like: A,B,A1,etc
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UNIQUE (contest_id,problem_id)
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UNIQUE (contest_id,problem_id),
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UNIQUE (contest_id,position),
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UNIQUE (contest_id,position_name)
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);
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CREATE INDEX ON contest_problem USING BTREE (contest_id);
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@ -81,6 +84,7 @@ CREATE TABLE IF NOT EXISTS participants
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contest_id INT REFERENCES contests ON DELETE CASCADE,
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name varchar(200) NOT NULL,
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UNIQUE (user_id,contest_id),
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PRIMARY KEY (id)
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);
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@ -160,16 +164,48 @@ CREATE INDEX ON testruns USING BTREE (solution_id);
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CREATE TABLE IF NOT EXISTS participant_problem
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(
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participand_id INT REFERENCES participants ON DELETE CASCADE,
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participant_id INT REFERENCES participants ON DELETE CASCADE,
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problem_id INT REFERENCES problems ON DELETE CASCADE,
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result INT NOT NULL,
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best_score INT NOT NULL
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best_score INT NOT NULL,
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penalty INT NOT NULL
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);
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CREATE FUNCTION fill_participant_result() RETURNS TRIGGER AS
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$$
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BEGIN
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RAISE NOTICE 'NEW.ID:%, NEW.contest_id:%', NEW.id,NEW.contest_id;
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INSERT INTO participant_problem (participant_id,problem_id,result,best_score,penalty) SELECT NEW.id,problem_id,0,0,0 FROM contest_problem WHERE contest_id=NEW.contest_id;
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RETURN NEW;
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END;
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$$ LANGUAGE plpgsql;
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CREATE TRIGGER fill_participant_result_trg
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AFTER INSERT
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ON participants
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FOR EACH ROW
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EXECUTE FUNCTION fill_participant_result();
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CREATE FUNCTION fill_problem_result() RETURNS TRIGGER AS
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$$
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BEGIN
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INSERT INTO participant_problem (participant_id,problem_id,result,best_score,penalty) SELECT id,NEW.problem_id,0,0,0 FROM participants WHERE contest_id=NEW.contest_id;
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RETURN NEW;
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END;
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$$ LANGUAGE plpgsql;
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CREATE TRIGGER fill_problem_result_trg
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AFTER INSERT
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ON contest_problem
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FOR EACH ROW
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EXECUTE FUNCTION fill_problem_result();
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-- TODO: automatic creating & deleting entries on creating & deleting users & problems to contest
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-- +goose StatementEnd
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-- +goose Down
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DROP FUNCTION IF EXISTS lng_upd_trg_fn CASCADE;
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DROP FUNCTION IF EXISTS fill_participant_result CASCADE;
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DROP FUNCTION IF EXISTS fill_problem_result CASCADE;
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DROP TABLE IF EXISTS tests CASCADE;
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DROP TABLE IF EXISTS solutions CASCADE;
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DROP TABLE IF EXISTS languages CASCADE;
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