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db(migration): merge slug partial unique into 002_posts.sql

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xfy 2026-06-05 16:29:20 +08:00
parent 22de5add83
commit ad6c69b0e8
2 changed files with 1 additions and 6 deletions
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2
migrations/002_posts.sql
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@ -17,12 +17,12 @@ CREATE TABLE posts (
updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(), updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
deleted_at TIMESTAMPTZ, deleted_at TIMESTAMPTZ,
CONSTRAINT posts_slug_unique UNIQUE (slug),
CONSTRAINT posts_status_check CHECK (status IN ('draft', 'published')) CONSTRAINT posts_status_check CHECK (status IN ('draft', 'published'))
); );
CREATE INDEX idx_posts_status_published ON posts(status, published_at DESC) WHERE deleted_at IS NULL; CREATE INDEX idx_posts_status_published ON posts(status, published_at DESC) WHERE deleted_at IS NULL;
CREATE INDEX idx_posts_slug ON posts(slug) WHERE deleted_at IS NULL; CREATE INDEX idx_posts_slug ON posts(slug) WHERE deleted_at IS NULL;
CREATE UNIQUE INDEX idx_posts_slug_unique ON posts(slug) WHERE deleted_at IS NULL;
CREATE TABLE tags ( CREATE TABLE tags (
id SERIAL PRIMARY KEY, id SERIAL PRIMARY KEY,

5
migrations/003_slug_partial_unique.sql
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@ -1,5 +0,0 @@
-- 删除全局唯一约束
ALTER TABLE posts DROP CONSTRAINT IF EXISTS posts_slug_unique;
-- 创建部分唯一索引（仅对未删除记录）
CREATE UNIQUE INDEX idx_posts_slug_unique ON posts(slug) WHERE deleted_at IS NULL;