feat: S0 主键改雪花（DDL 去 identity + 实体 ASSIGN_ID + 雪花配置）
为什么：自增主键把 ID 分配锁在单库序列上，分库分表时无法横向扩展。趁线上业务数据 近零（只有系统种子表有量）先改，代价最低。 - sql/schema.sql、sql/schema-phase1.sql、sql/partition-maintenance.sql：61 处 GENERATED BY DEFAULT AS IDENTITY 去掉，主键改 BIGINT 无默认值 - 52 个实体 @TableId IdType.AUTO -> IdType.ASSIGN_ID；两个入口 id-type: assign_id， 并加 global-config.sequence.worker-id/datacenter-id（单机固定值，多实例需按实例分配） - 新增 sql/migrate-s0-snowflake.sql：存量库幂等迁移，走 DROP IDENTITY 保留数据，不重建表 - 实测：三份建表脚本在新库连跑两遍幂等；线上 57 张表 identity 归零； watch_history/playback_ticket/order_event 的主键与唯一索引仍含分区键
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@@ -1,7 +1,7 @@
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-- FruitShorts 短剧服务 · 建表脚本（PostgreSQL 18）
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--
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-- 与 MySQL 版本的对应关系：
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-- AUTO_INCREMENT -> GENERATED BY DEFAULT AS IDENTITY
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-- AUTO_INCREMENT -> 无（主键由应用侧雪花算法生成：MyBatis-Plus IdType.ASSIGN_ID）
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-- TINYINT -> SMALLINT
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-- DATETIME(3) -> TIMESTAMP(3)
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-- ON UPDATE CURRENT_TIMESTAMP -> set_updated_at() 触发器
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@@ -11,7 +11,7 @@
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-- ========== 系统域 ==========
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CREATE TABLE IF NOT EXISTS sys_admin_user (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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id BIGINT PRIMARY KEY,
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username VARCHAR(64) NOT NULL, -- 登录名
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password VARCHAR(100) NOT NULL, -- BCrypt 哈希
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real_name VARCHAR(64) NOT NULL DEFAULT '',
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@@ -31,7 +31,7 @@ CREATE UNIQUE INDEX IF NOT EXISTS uk_sys_admin_user_username ON sys_admin_user (
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COMMENT ON TABLE sys_admin_user IS '管理员';
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CREATE TABLE IF NOT EXISTS sys_role_category (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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id BIGINT PRIMARY KEY,
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name VARCHAR(64) NOT NULL,
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description VARCHAR(255) NOT NULL DEFAULT '',
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sort INT NOT NULL DEFAULT 0,
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@@ -43,7 +43,7 @@ CREATE UNIQUE INDEX IF NOT EXISTS uk_sys_role_category_name ON sys_role_category
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COMMENT ON TABLE sys_role_category IS '角色分类';
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CREATE TABLE IF NOT EXISTS sys_role (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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id BIGINT PRIMARY KEY,
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name VARCHAR(64) NOT NULL,
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code VARCHAR(64) NOT NULL, -- 如 super_admin
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category_id BIGINT NOT NULL DEFAULT 0,
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@@ -59,7 +59,7 @@ CREATE UNIQUE INDEX IF NOT EXISTS uk_sys_role_code ON sys_role (code);
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COMMENT ON TABLE sys_role IS '角色';
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CREATE TABLE IF NOT EXISTS sys_admin_user_role (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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id BIGINT PRIMARY KEY,
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user_id BIGINT NOT NULL,
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role_id BIGINT NOT NULL
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);
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@@ -68,7 +68,7 @@ CREATE INDEX IF NOT EXISTS idx_sys_admin_user_role_role ON sys_admin_user_role (
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COMMENT ON TABLE sys_admin_user_role IS '管理员-角色';
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CREATE TABLE IF NOT EXISTS sys_permission (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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id BIGINT PRIMARY KEY,
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code VARCHAR(128) NOT NULL, -- 如 drama:create
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name VARCHAR(64) NOT NULL,
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group_name VARCHAR(64) NOT NULL DEFAULT '',
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@@ -79,7 +79,7 @@ CREATE UNIQUE INDEX IF NOT EXISTS uk_sys_permission_code ON sys_permission (code
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COMMENT ON TABLE sys_permission IS '权限点';
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CREATE TABLE IF NOT EXISTS sys_menu (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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id BIGINT PRIMARY KEY,
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parent_id BIGINT NOT NULL DEFAULT 0,
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title VARCHAR(64) NOT NULL,
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route_path VARCHAR(128) NOT NULL DEFAULT '',
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@@ -101,7 +101,7 @@ CREATE INDEX IF NOT EXISTS idx_sys_menu_parent ON sys_menu (parent_id);
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COMMENT ON TABLE sys_menu IS '菜单';
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CREATE TABLE IF NOT EXISTS sys_role_permission (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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id BIGINT PRIMARY KEY,
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role_id BIGINT NOT NULL,
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permission_id BIGINT NOT NULL
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);
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@@ -109,7 +109,7 @@ CREATE UNIQUE INDEX IF NOT EXISTS uk_sys_role_permission ON sys_role_permission
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COMMENT ON TABLE sys_role_permission IS '角色-权限';
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CREATE TABLE IF NOT EXISTS sys_role_menu (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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id BIGINT PRIMARY KEY,
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role_id BIGINT NOT NULL,
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menu_id BIGINT NOT NULL
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);
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@@ -117,7 +117,7 @@ CREATE UNIQUE INDEX IF NOT EXISTS uk_sys_role_menu ON sys_role_menu (role_id, me
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COMMENT ON TABLE sys_role_menu IS '角色-菜单';
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CREATE TABLE IF NOT EXISTS sys_config (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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id BIGINT PRIMARY KEY,
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config_key VARCHAR(128) NOT NULL,
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config_value VARCHAR(1024) NOT NULL DEFAULT '',
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remark VARCHAR(255) NOT NULL DEFAULT ''
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@@ -126,7 +126,7 @@ CREATE UNIQUE INDEX IF NOT EXISTS uk_sys_config_key ON sys_config (config_key);
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COMMENT ON TABLE sys_config IS '系统配置';
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CREATE TABLE IF NOT EXISTS sys_operation_log (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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id BIGINT PRIMARY KEY,
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admin_user_id BIGINT NOT NULL DEFAULT 0,
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username VARCHAR(64) NOT NULL DEFAULT '',
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module VARCHAR(64) NOT NULL DEFAULT '',
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@@ -148,7 +148,7 @@ COMMENT ON TABLE sys_operation_log IS '操作日志';
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-- ========== 内容域 ==========
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CREATE TABLE IF NOT EXISTS drama_category (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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id BIGINT PRIMARY KEY,
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name VARCHAR(64) NOT NULL,
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sort INT NOT NULL DEFAULT 0,
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status SMALLINT NOT NULL DEFAULT 1
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@@ -157,7 +157,7 @@ CREATE UNIQUE INDEX IF NOT EXISTS uk_drama_category_name ON drama_category (name
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COMMENT ON TABLE drama_category IS '短剧类型';
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CREATE TABLE IF NOT EXISTS drama (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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id BIGINT PRIMARY KEY,
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code VARCHAR(64) NOT NULL DEFAULT '',
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title VARCHAR(128) NOT NULL,
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subtitle VARCHAR(128) NOT NULL DEFAULT '',
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@@ -194,7 +194,7 @@ CREATE INDEX IF NOT EXISTS idx_drama_status_category ON drama (status, category_
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COMMENT ON TABLE drama IS '短剧';
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CREATE TABLE IF NOT EXISTS drama_episode (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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id BIGINT PRIMARY KEY,
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drama_id BIGINT NOT NULL,
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ep_no INT NOT NULL,
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title VARCHAR(128) NOT NULL DEFAULT '',
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@@ -217,7 +217,7 @@ CREATE INDEX IF NOT EXISTS idx_drama_episode_status ON drama_episode (drama_id,
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COMMENT ON TABLE drama_episode IS '剧集';
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CREATE TABLE IF NOT EXISTS drama_review_record (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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id BIGINT PRIMARY KEY,
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biz_type VARCHAR(16) NOT NULL, -- DRAMA/EPISODE
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biz_id BIGINT NOT NULL,
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action VARCHAR(16) NOT NULL, -- SUBMIT/APPROVE/REJECT/PUBLISH/OFFLINE
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@@ -230,7 +230,7 @@ CREATE INDEX IF NOT EXISTS idx_drama_review_biz ON drama_review_record (biz_type
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COMMENT ON TABLE drama_review_record IS '审核记录';
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CREATE TABLE IF NOT EXISTS content_banner (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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id BIGINT PRIMARY KEY,
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image_url VARCHAR(512) NOT NULL DEFAULT '',
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slot VARCHAR(32) NOT NULL DEFAULT 'HOME_TOP', -- 展示位置：HOME_TOP/DISCOVER
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link_type VARCHAR(16) NOT NULL DEFAULT 'NONE', -- NONE/DRAMA/URL
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@@ -249,7 +249,7 @@ COMMENT ON TABLE content_banner IS '轮播图';
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-- 本地存储版本：文件落在 fruitshorts.media.root-dir 下，通过 /files/** 访问
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CREATE TABLE IF NOT EXISTS media_asset (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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id BIGINT PRIMARY KEY,
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biz_type VARCHAR(32) NOT NULL DEFAULT 'EPISODE',
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file_name VARCHAR(255) NOT NULL DEFAULT '',
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object_key VARCHAR(512) NOT NULL DEFAULT '',
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@@ -274,7 +274,7 @@ CREATE INDEX IF NOT EXISTS idx_media_asset_biz_type ON media_asset (biz_type);
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COMMENT ON TABLE media_asset IS '媒资';
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CREATE TABLE IF NOT EXISTS media_upload_task (
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id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
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id BIGINT PRIMARY KEY,
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upload_id VARCHAR(64) NOT NULL,
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biz_type VARCHAR(32) NOT NULL DEFAULT 'EPISODE',
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file_name VARCHAR(255) NOT NULL DEFAULT '',
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