bibimbap/docs/game-reviews-ddl.sql

203 lines
9.3 KiB
SQL

-- Game reviews (single star rating 1~5 + free-text body, one per game per user).
-- PostgreSQL DDL aligned with the existing bibimbap table style (recruit-posts-ddl.sql).
-- W3-2: 댓글/리뷰 분리. game_reviews 신규 + game_comments user_id 컬럼 추가.
CREATE SEQUENCE IF NOT EXISTS "game_reviews_id_seq";
CREATE TABLE IF NOT EXISTS "game_reviews" (
"id" bigint DEFAULT nextval('game_reviews_id_seq'::regclass) NOT NULL,
"game_id" bigint NOT NULL,
"user_id" bigint NOT NULL,
"rating" smallint NOT NULL,
"body" text,
"created_at" timestamp with time zone DEFAULT now() NOT NULL,
"updated_at" timestamp with time zone DEFAULT now() NOT NULL,
"deleted_at" timestamp with time zone,
"is_delete" boolean DEFAULT false NOT NULL,
PRIMARY KEY ("id")
);
ALTER SEQUENCE "game_reviews_id_seq" OWNED BY "game_reviews"."id";
DO $$
BEGIN
IF NOT EXISTS (
SELECT 1 FROM pg_constraint WHERE conname = 'game_reviews_game_id_fkey'
) THEN
ALTER TABLE "game_reviews"
ADD CONSTRAINT "game_reviews_game_id_fkey"
FOREIGN KEY ("game_id") REFERENCES "games" ("id");
END IF;
END
$$;
DO $$
BEGIN
IF NOT EXISTS (
SELECT 1 FROM pg_constraint WHERE conname = 'game_reviews_user_id_fkey'
) THEN
ALTER TABLE "game_reviews"
ADD CONSTRAINT "game_reviews_user_id_fkey"
FOREIGN KEY ("user_id") REFERENCES "users" ("id");
END IF;
END
$$;
DO $$
BEGIN
IF NOT EXISTS (
SELECT 1 FROM pg_constraint WHERE conname = 'game_reviews_rating_check'
) THEN
ALTER TABLE "game_reviews"
ADD CONSTRAINT "game_reviews_rating_check"
CHECK ("rating" BETWEEN 1 AND 5);
END IF;
END
$$;
-- 게임당 사용자 1회 (active 리뷰 한정 — soft-delete 후 재작성 허용).
CREATE UNIQUE INDEX IF NOT EXISTS "ux_game_reviews_game_user_active"
ON "game_reviews" ("game_id", "user_id")
WHERE "is_delete" IS NOT TRUE;
-- 목록 조회 + 후속 집계 SELECT 의 game_id 필터용. (C3 재분류: 집계뷰 game_review_stats 는 본 파일 하단에 W3-2 일반 DDL 로 신설됨 — roadmap.md:63,201,202. W2-3 동결 무관.)
CREATE INDEX IF NOT EXISTS "idx_game_reviews_game"
ON "game_reviews" ("game_id")
WHERE "is_delete" = false;
COMMENT ON TABLE "game_reviews" IS '게임 리뷰. 게임당 사용자 1회, 별점 1~5 + 서술 평가';
COMMENT ON COLUMN "game_reviews"."id" IS '리뷰 고유 ID';
COMMENT ON COLUMN "game_reviews"."game_id" IS '대상 게임 games.id';
COMMENT ON COLUMN "game_reviews"."user_id" IS '리뷰 작성자 users.id (로그인 필수)';
COMMENT ON COLUMN "game_reviews"."rating" IS '별점 5점 단일 (1~5). 향후 다축은 별도 game_review_axes 테이블로 분리';
COMMENT ON COLUMN "game_reviews"."body" IS '서술 평가 (앱레벨 1,000자 제한, DB 무제한)';
COMMENT ON COLUMN "game_reviews"."created_at" IS '리뷰 작성 시각';
COMMENT ON COLUMN "game_reviews"."updated_at" IS '리뷰 마지막 수정 시각. updated_at > created_at 이면 수정됨';
COMMENT ON COLUMN "game_reviews"."deleted_at" IS '리뷰 삭제 시각';
COMMENT ON COLUMN "game_reviews"."is_delete" IS '소프트 삭제 여부';
-- ===========================================================================
-- 기존 DB 적용용 idempotent ALTER (security-hardening-ddl.sql DO $$ 패턴)
-- ---------------------------------------------------------------------------
-- game_comments user_id 컬럼 (W3-2: 작성자 귀속, nullable 비파괴).
-- 위 game_reviews CREATE/제약/인덱스는 전부 IF NOT EXISTS / DO $$ 멱등 → 재실행 안전.
-- ===========================================================================
ALTER TABLE "game_comments" ADD COLUMN IF NOT EXISTS "user_id" bigint;
DO $$
BEGIN
IF NOT EXISTS (
SELECT 1 FROM pg_constraint WHERE conname = 'game_comments_user_id_fkey'
) THEN
ALTER TABLE "game_comments"
ADD CONSTRAINT "game_comments_user_id_fkey"
FOREIGN KEY ("user_id") REFERENCES "users" ("id");
END IF;
END
$$;
COMMENT ON COLUMN "game_comments"."user_id" IS '덧글 작성자 users.id (nullable — 레거시 닉네임 덧글 보존)';
-- ===========================================================================
-- W3-2 고도화: 다축 평점(game_review_axes) + 댓글 updated_at + is_rating_manual
-- + game_review_stats 집계뷰
-- C3 재분류: game_review_stats 는 W3-2 일반 읽기전용 집계뷰. W2-3 잼 평가 동결과 무관
-- (roadmap.md:63,201,202). 아래 위 'idx_game_reviews_game' 주석의 "집계뷰 미신설"
-- 보수 표기는 본 블록으로 갱신됨.
-- ===========================================================================
-- 1) game_comments.updated_at (A3)
ALTER TABLE "game_comments"
ADD COLUMN IF NOT EXISTS "updated_at" timestamp with time zone DEFAULT now() NOT NULL;
-- 기존 댓글이 '수정됨' 오표시되지 않도록 정렬(멱등: 이미 정렬된 행엔 무영향)
UPDATE "game_comments" SET "updated_at" = "created_at" WHERE "updated_at" > "created_at";
COMMENT ON COLUMN "game_comments"."updated_at" IS '덧글 마지막 수정 시각. updated_at > created_at 이면 수정됨(리뷰 대칭)';
-- 2) game_reviews.is_rating_manual (overall 출처 구분)
ALTER TABLE "game_reviews"
ADD COLUMN IF NOT EXISTS "is_rating_manual" boolean DEFAULT false NOT NULL;
COMMENT ON COLUMN "game_reviews"."is_rating_manual" IS 'true=유저 직접선택 overall, false=6축 자동평균';
-- 3) game_review_axes (다축 평점, 리뷰당 6행)
CREATE SEQUENCE IF NOT EXISTS "game_review_axes_id_seq";
CREATE TABLE IF NOT EXISTS "game_review_axes" (
"id" bigint DEFAULT nextval('game_review_axes_id_seq'::regclass) NOT NULL,
"review_id" bigint NOT NULL,
"axis_key" character varying(20) NOT NULL,
"score" smallint NOT NULL,
PRIMARY KEY ("id")
);
ALTER SEQUENCE "game_review_axes_id_seq" OWNED BY "game_review_axes"."id";
DO $$
BEGIN
IF NOT EXISTS (SELECT 1 FROM pg_constraint WHERE conname = 'game_review_axes_review_id_fkey') THEN
ALTER TABLE "game_review_axes"
ADD CONSTRAINT "game_review_axes_review_id_fkey"
FOREIGN KEY ("review_id") REFERENCES "game_reviews" ("id");
END IF;
END
$$;
DO $$
BEGIN
IF NOT EXISTS (SELECT 1 FROM pg_constraint WHERE conname = 'game_review_axes_score_check') THEN
ALTER TABLE "game_review_axes"
ADD CONSTRAINT "game_review_axes_score_check" CHECK ("score" BETWEEN 1 AND 5);
END IF;
END
$$;
DO $$
BEGIN
IF NOT EXISTS (SELECT 1 FROM pg_constraint WHERE conname = 'game_review_axes_axis_key_check') THEN
ALTER TABLE "game_review_axes"
ADD CONSTRAINT "game_review_axes_axis_key_check"
CHECK ("axis_key" IN ('immersion','creativity','controls','completeness','sound','visual'));
END IF;
END
$$;
CREATE UNIQUE INDEX IF NOT EXISTS "ux_game_review_axes_review_axis"
ON "game_review_axes" ("review_id", "axis_key");
CREATE INDEX IF NOT EXISTS "idx_game_review_axes_review"
ON "game_review_axes" ("review_id");
COMMENT ON TABLE "game_review_axes" IS '리뷰 다축 평점(6축, 리뷰당 6행). axis_key 6종 각 1~5';
COMMENT ON COLUMN "game_review_axes"."axis_key" IS '몰입성 immersion/창의성 creativity/조작성 controls/완성도 completeness/사운드 sound/비주얼 visual';
-- 4) game_review_stats (읽기전용 집계뷰 — 클라 평균계산 폐기 공급원)
-- fan-out 방지: game_review_axes 를 직접 JOIN 하면 리뷰가 axes 행수(최대 6)만큼
-- 복제되어 COUNT(*)/AVG(rating) 이 왜곡된다. 축 평균은 서브쿼리에서 game 단위로
-- 선집계한 뒤 LEFT JOIN 한다 (리뷰 단위 집계는 r 한 테이블로만 계산).
CREATE OR REPLACE VIEW "game_review_stats" AS
SELECT
r."game_id" AS "game_id",
ROUND(AVG(r."rating")::numeric, 1) AS "avg_rating",
COUNT(*) AS "review_count",
MAX(ax."avg_immersion") AS "avg_immersion",
MAX(ax."avg_creativity") AS "avg_creativity",
MAX(ax."avg_controls") AS "avg_controls",
MAX(ax."avg_completeness") AS "avg_completeness",
MAX(ax."avg_sound") AS "avg_sound",
MAX(ax."avg_visual") AS "avg_visual"
FROM "game_reviews" r
LEFT JOIN (
SELECT
rv."game_id" AS "game_id",
ROUND(AVG(a."score") FILTER (WHERE a."axis_key"='immersion'),1) AS "avg_immersion",
ROUND(AVG(a."score") FILTER (WHERE a."axis_key"='creativity'),1) AS "avg_creativity",
ROUND(AVG(a."score") FILTER (WHERE a."axis_key"='controls'),1) AS "avg_controls",
ROUND(AVG(a."score") FILTER (WHERE a."axis_key"='completeness'),1) AS "avg_completeness",
ROUND(AVG(a."score") FILTER (WHERE a."axis_key"='sound'),1) AS "avg_sound",
ROUND(AVG(a."score") FILTER (WHERE a."axis_key"='visual'),1) AS "avg_visual"
FROM "game_reviews" rv
JOIN "game_review_axes" a ON a."review_id" = rv."id"
WHERE rv."is_delete" IS NOT TRUE
GROUP BY rv."game_id"
) ax ON ax."game_id" = r."game_id"
WHERE r."is_delete" IS NOT TRUE
GROUP BY r."game_id";
COMMENT ON VIEW "game_review_stats" IS 'W3-2 일반 집계뷰(W2-3 동결 무관). 게임별 평균별점·리뷰수·6축평균';