Files
battleship/migrations/0001_schema.sql
2024-10-06 00:53:46 +05:30

40 lines
1.1 KiB
SQL

-- DROP OWNED BY CURRENT_USER CASCADE;
CREATE TYPE STAT AS ENUM ('waiting', 'p1turn', 'p2turn', 'gameover');
CREATE TABLE IF NOT EXISTS players (
id CHAR(16) PRIMARY KEY,
board CHAR(10) [10],
room_code CHAR(4) NOT NULL,
abandoned BOOLEAN DEFAULT FALSE NOT NULL,
time TIMESTAMP DEFAULT NOW() NOT NULL
);
CREATE TABLE IF NOT EXISTS rooms (
code CHAR(4) PRIMARY KEY,
player1_id CHAR(16),
player2_id CHAR(16),
stat STAT DEFAULT 'waiting' NOT NULL,
CHECK (
(
player1_id IS DISTINCT
FROM player2_id
)
OR (
player1_id IS NULL
AND player2_id IS NULL
)
)
);
ALTER TABLE players
ADD CONSTRAINT fk_room_code FOREIGN KEY (room_code) REFERENCES rooms (code) ON DELETE
SET NULL;
ALTER TABLE rooms
ADD CONSTRAINT fk_player1 FOREIGN KEY (player1_id) REFERENCES players (id) ON DELETE
SET NULL ON UPDATE CASCADE,
ADD CONSTRAINT fk_player2 FOREIGN KEY (player2_id) REFERENCES players (id) ON DELETE
SET NULL ON UPDATE CASCADE;
CREATE INDEX idx_player_room_code ON players (room_code);
CREATE INDEX idx_room_status ON players (abandoned);