init
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151
specs/DB.sql
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151
specs/DB.sql
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-- 新项目数据库 DDL（PostgreSQL）
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-- 目标：多租户（tenant_id 全表隔离）+ tenant_uuid 用于 OSS Key：quyun/<tenant_uuid>/<md5>.<ext>
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-- 注意：tenant_uuid 由业务代码生成写入（不使用 DB 扩展默认值）
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BEGIN;
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-- 1) 租户
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CREATE TABLE IF NOT EXISTS tenants (
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id BIGSERIAL PRIMARY KEY,
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tenant_code VARCHAR(64) NOT NULL,
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tenant_uuid UUID NOT NULL,
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name VARCHAR(128) NOT NULL DEFAULT '',
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status INT2 NOT NULL DEFAULT 0,
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config JSONB NOT NULL DEFAULT '{}'::jsonb,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
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);
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-- tenant_code：不区分大小写（写入/查询均 lower），并限制字符集 a-z0-9_-
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ALTER TABLE tenants
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ADD CONSTRAINT tenants_tenant_code_format
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CHECK (tenant_code ~ '^[A-Za-z0-9_-]+$');
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CREATE UNIQUE INDEX IF NOT EXISTS ux_tenants_tenant_code_lower
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ON tenants (lower(tenant_code));
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CREATE UNIQUE INDEX IF NOT EXISTS ux_tenants_tenant_uuid
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ON tenants (tenant_uuid);
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-- 2) 租户后台账号
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CREATE TABLE IF NOT EXISTS admin_users (
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id BIGSERIAL PRIMARY KEY,
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tenant_id BIGINT NOT NULL REFERENCES tenants(id) ON DELETE CASCADE,
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username VARCHAR(64) NOT NULL,
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password_hash TEXT NOT NULL,
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role VARCHAR(32) NOT NULL DEFAULT 'admin',
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status INT2 NOT NULL DEFAULT 0,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
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);
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CREATE UNIQUE INDEX IF NOT EXISTS ux_admin_users_tenant_username
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ON admin_users (tenant_id, lower(username));
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-- 3) 用户（微信 openid 用户）
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CREATE TABLE IF NOT EXISTS users (
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id BIGSERIAL PRIMARY KEY,
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tenant_id BIGINT NOT NULL REFERENCES tenants(id) ON DELETE CASCADE,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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deleted_at TIMESTAMPTZ,
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status INT2 NOT NULL DEFAULT 0,
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open_id VARCHAR(128) NOT NULL,
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username VARCHAR(128) NOT NULL DEFAULT '',
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avatar TEXT,
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metas JSONB NOT NULL DEFAULT '{}'::jsonb,
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auth_token JSONB NOT NULL DEFAULT '{}'::jsonb,
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balance BIGINT NOT NULL DEFAULT 0
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);
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CREATE UNIQUE INDEX IF NOT EXISTS ux_users_tenant_openid
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ON users (tenant_id, open_id);
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CREATE INDEX IF NOT EXISTS ix_users_tenant_id
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ON users (tenant_id, id);
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-- 4) 媒体
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CREATE TABLE IF NOT EXISTS medias (
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id BIGSERIAL PRIMARY KEY,
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tenant_id BIGINT NOT NULL REFERENCES tenants(id) ON DELETE CASCADE,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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name VARCHAR(255) NOT NULL DEFAULT '',
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mime_type VARCHAR(128) NOT NULL DEFAULT '',
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size BIGINT NOT NULL DEFAULT 0,
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path VARCHAR(512) NOT NULL DEFAULT '',
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metas JSONB NOT NULL DEFAULT '{}'::jsonb,
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hash VARCHAR(64) NOT NULL DEFAULT ''
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);
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-- 租户内按 md5 去重
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CREATE UNIQUE INDEX IF NOT EXISTS ux_medias_tenant_hash
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ON medias (tenant_id, hash);
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CREATE INDEX IF NOT EXISTS ix_medias_tenant_id
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ON medias (tenant_id, id);
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-- 5) 曲谱/内容
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CREATE TABLE IF NOT EXISTS posts (
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id BIGSERIAL PRIMARY KEY,
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tenant_id BIGINT NOT NULL REFERENCES tenants(id) ON DELETE CASCADE,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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deleted_at TIMESTAMPTZ,
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status INT2 NOT NULL DEFAULT 0,
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title VARCHAR(128) NOT NULL,
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head_images JSONB NOT NULL DEFAULT '[]'::jsonb,
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description VARCHAR(256) NOT NULL DEFAULT '',
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content TEXT NOT NULL DEFAULT '',
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price BIGINT NOT NULL DEFAULT 0,
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discount INT2 NOT NULL DEFAULT 100,
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views BIGINT NOT NULL DEFAULT 0,
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likes BIGINT NOT NULL DEFAULT 0,
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tags JSONB NOT NULL DEFAULT '[]'::jsonb,
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assets JSONB NOT NULL DEFAULT '[]'::jsonb
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);
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CREATE INDEX IF NOT EXISTS ix_posts_tenant_status_deleted
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ON posts (tenant_id, status, deleted_at);
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-- 6) 授权关系（购买/赠送）
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CREATE TABLE IF NOT EXISTS user_posts (
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id BIGSERIAL PRIMARY KEY,
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tenant_id BIGINT NOT NULL REFERENCES tenants(id) ON DELETE CASCADE,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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user_id BIGINT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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post_id BIGINT NOT NULL REFERENCES posts(id) ON DELETE CASCADE,
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price BIGINT NOT NULL DEFAULT 0
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);
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CREATE UNIQUE INDEX IF NOT EXISTS ux_user_posts_tenant_user_post
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ON user_posts (tenant_id, user_id, post_id);
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CREATE INDEX IF NOT EXISTS ix_user_posts_tenant_user
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ON user_posts (tenant_id, user_id, id);
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-- 7) 订单（仅余额）
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CREATE TABLE IF NOT EXISTS orders (
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id BIGSERIAL PRIMARY KEY,
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tenant_id BIGINT NOT NULL REFERENCES tenants(id) ON DELETE CASCADE,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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order_no VARCHAR(64) NOT NULL,
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price BIGINT NOT NULL DEFAULT 0,
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discount INT2 NOT NULL DEFAULT 100,
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currency VARCHAR(10) NOT NULL DEFAULT 'CNY',
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payment_method VARCHAR(50) NOT NULL DEFAULT 'balance',
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post_id BIGINT NOT NULL REFERENCES posts(id) ON DELETE CASCADE,
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user_id BIGINT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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status INT2 NOT NULL DEFAULT 0,
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meta JSONB NOT NULL DEFAULT '{}'::jsonb
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);
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CREATE UNIQUE INDEX IF NOT EXISTS ux_orders_tenant_order_no
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ON orders (tenant_id, order_no);
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CREATE INDEX IF NOT EXISTS ix_orders_tenant_user
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ON orders (tenant_id, user_id, id);
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COMMIT;
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