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143
deploy/migrations/0057_media.up.sql
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143
deploy/migrations/0057_media.up.sql
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-- 0057_media: media pipeline storage — upload parts, file blobs, documents,
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-- photos, sticker sets, available reactions, profile photos; message media column.
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--
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-- Registry tables (documents/photos/sticker_sets/available_reactions/file_blobs)
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-- are low-cardinality global catalogs and are not partitioned. upload_parts is
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-- transient (assembled then deleted). Blob bytes live on the configured backend
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-- (localfs); file_blobs only indexes location_key -> backend/object_key.
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-- 上传分片：upload.saveFilePart / saveBigFilePart 累积，组装成 blob 后清理。
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CREATE TABLE IF NOT EXISTS upload_parts (
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owner_user_id BIGINT NOT NULL,
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file_id BIGINT NOT NULL,
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part INT NOT NULL,
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total_parts INT NOT NULL DEFAULT 0,
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is_big BOOLEAN NOT NULL DEFAULT false,
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bytes BYTEA NOT NULL,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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PRIMARY KEY (owner_user_id, file_id, part)
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);
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-- file_blobs：可下载二进制对象的索引（location_key -> backend/object_key）。
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CREATE TABLE IF NOT EXISTS file_blobs (
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location_key TEXT PRIMARY KEY,
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backend TEXT NOT NULL DEFAULT 'localfs',
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object_key TEXT NOT NULL,
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size BIGINT NOT NULL DEFAULT 0,
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sha256 BYTEA NOT NULL DEFAULT ''::bytea,
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mime_type TEXT NOT NULL DEFAULT '',
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created_at TIMESTAMPTZ NOT NULL DEFAULT now()
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);
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-- documents：Telegram 文档（贴纸/gif/文件/视频/音频/自定义 emoji）元数据。
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CREATE TABLE IF NOT EXISTS documents (
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id BIGINT PRIMARY KEY,
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access_hash BIGINT NOT NULL DEFAULT 0,
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file_reference BYTEA NOT NULL DEFAULT '',
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date INT NOT NULL DEFAULT 0,
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mime_type TEXT NOT NULL DEFAULT '',
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size BIGINT NOT NULL DEFAULT 0,
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dc_id INT NOT NULL DEFAULT 0,
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attributes JSONB NOT NULL DEFAULT '[]'::jsonb,
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thumbs JSONB NOT NULL DEFAULT '[]'::jsonb,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now()
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);
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-- photos：Telegram 照片（头像/图片消息）元数据。
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CREATE TABLE IF NOT EXISTS photos (
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id BIGINT PRIMARY KEY,
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access_hash BIGINT NOT NULL DEFAULT 0,
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file_reference BYTEA NOT NULL DEFAULT '',
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date INT NOT NULL DEFAULT 0,
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dc_id INT NOT NULL DEFAULT 0,
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has_stickers BOOLEAN NOT NULL DEFAULT false,
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sizes JSONB NOT NULL DEFAULT '[]'::jsonb,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now()
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);
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-- sticker_sets：贴纸 / 自定义 emoji 集（含有序文档 id 与 packs）。
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CREATE TABLE IF NOT EXISTS sticker_sets (
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id BIGINT PRIMARY KEY,
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access_hash BIGINT NOT NULL DEFAULT 0,
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short_name TEXT NOT NULL DEFAULT '',
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title TEXT NOT NULL DEFAULT '',
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count INT NOT NULL DEFAULT 0,
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hash INT NOT NULL DEFAULT 0,
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set_kind TEXT NOT NULL DEFAULT 'stickers',
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official BOOLEAN NOT NULL DEFAULT false,
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animated BOOLEAN NOT NULL DEFAULT false,
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videos BOOLEAN NOT NULL DEFAULT false,
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emojis BOOLEAN NOT NULL DEFAULT false,
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masks BOOLEAN NOT NULL DEFAULT false,
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installed BOOLEAN NOT NULL DEFAULT false,
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archived BOOLEAN NOT NULL DEFAULT false,
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installed_date INT NOT NULL DEFAULT 0,
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thumb_document_id BIGINT NOT NULL DEFAULT 0,
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thumbs JSONB NOT NULL DEFAULT '[]'::jsonb,
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thumb_dc_id INT NOT NULL DEFAULT 0,
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thumb_version INT NOT NULL DEFAULT 0,
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document_ids JSONB NOT NULL DEFAULT '[]'::jsonb,
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packs JSONB NOT NULL DEFAULT '[]'::jsonb,
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sort_order INT NOT NULL DEFAULT 0,
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system_key TEXT NOT NULL DEFAULT '',
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created_at TIMESTAMPTZ NOT NULL DEFAULT now()
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);
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CREATE UNIQUE INDEX IF NOT EXISTS sticker_sets_short_name_idx
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ON sticker_sets (short_name) WHERE short_name <> '';
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CREATE INDEX IF NOT EXISTS sticker_sets_kind_order_idx
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ON sticker_sets (set_kind, sort_order, id);
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CREATE INDEX IF NOT EXISTS sticker_sets_system_key_idx
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ON sticker_sets (system_key) WHERE system_key <> '';
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-- available_reactions：messages.getAvailableReactions 目录（引用真实文档 id）。
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CREATE TABLE IF NOT EXISTS available_reactions (
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reaction TEXT PRIMARY KEY,
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title TEXT NOT NULL DEFAULT '',
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inactive BOOLEAN NOT NULL DEFAULT false,
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premium BOOLEAN NOT NULL DEFAULT false,
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static_icon_id BIGINT NOT NULL DEFAULT 0,
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appear_animation_id BIGINT NOT NULL DEFAULT 0,
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select_animation_id BIGINT NOT NULL DEFAULT 0,
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activate_animation_id BIGINT NOT NULL DEFAULT 0,
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effect_animation_id BIGINT NOT NULL DEFAULT 0,
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around_animation_id BIGINT NOT NULL DEFAULT 0,
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center_icon_id BIGINT NOT NULL DEFAULT 0,
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sort_order INT NOT NULL DEFAULT 0
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);
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-- profile_photos：用户/频道头像历史（current = active 中 sort_order 最大者）。
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CREATE TABLE IF NOT EXISTS profile_photos (
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owner_peer_type TEXT NOT NULL,
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owner_peer_id BIGINT NOT NULL,
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photo_id BIGINT NOT NULL,
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date INT NOT NULL DEFAULT 0,
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active BOOLEAN NOT NULL DEFAULT true,
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sort_order BIGINT NOT NULL DEFAULT 0,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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PRIMARY KEY (owner_peer_type, owner_peer_id, photo_id),
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CONSTRAINT profile_photos_peer_type_check CHECK (owner_peer_type IN ('user', 'channel'))
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);
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CREATE INDEX IF NOT EXISTS profile_photos_current_idx
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ON profile_photos (owner_peer_type, owner_peer_id, sort_order DESC)
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WHERE active;
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-- 消息媒体快照列：避免历史读取再 join documents/photos。
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ALTER TABLE private_messages
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ADD COLUMN IF NOT EXISTS media JSONB NOT NULL DEFAULT '{}'::jsonb;
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ALTER TABLE message_boxes
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ADD COLUMN IF NOT EXISTS media JSONB NOT NULL DEFAULT '{}'::jsonb;
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ALTER TABLE channel_messages
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ADD COLUMN IF NOT EXISTS media JSONB NOT NULL DEFAULT '{}'::jsonb;
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-- 放宽 body 非空约束：允许「仅媒体」消息（图片/文件/贴纸，无文字 caption）。
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ALTER TABLE private_messages DROP CONSTRAINT IF EXISTS private_messages_nonempty_body;
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ALTER TABLE private_messages
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ADD CONSTRAINT private_messages_nonempty_body
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CHECK (body <> '' OR media <> '{}'::jsonb);
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ALTER TABLE channel_messages DROP CONSTRAINT IF EXISTS channel_messages_content_check;
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ALTER TABLE channel_messages
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ADD CONSTRAINT channel_messages_content_check
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CHECK (body <> '' OR action <> '{}'::jsonb OR media <> '{}'::jsonb);
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