CREATE TABLE IF NOT EXISTS "game" ( id SERIAL PRIMARY KEY NOT NULL, map TEXT NOT NULL ); CREATE TABLE IF NOT EXISTS "item" ( id SERIAL PRIMARY KEY NOT NULL, type VARCHAR(64) NOT NULL, quantity FLOAT NOT NULL ); CREATE TABLE IF NOT EXISTS "player" ( id SERIAL PRIMARY KEY NOT NULL, pos_x INTEGER NOT NULL, pos_y INTEGER NOT NULL, last_move TIMESTAMP, last_collect TIMESTAMP, move_speed_multiplier FLOAT NOT NULL, stamina_multiplier FLOAT NOT NULL, collect_rate_multiplier FLOAT NOT NULL );