32 lines
1.8 KiB
SQL
32 lines
1.8 KiB
SQL
-- Storage management: track who uploaded each document/photo, and track
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-- every live reference to it (message boxes, channel messages, profile
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-- photos, sticker material, gifts) so orphaned media (nothing left pointing
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-- at it) can be identified safely for later cleanup. A media row's
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-- orphaned_at is set the instant its last reference is removed, and cleared
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-- if a new reference appears -- retention sweeps only ever act on rows where
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-- orphaned_at is set, so media still visible in a live conversation is never
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-- touched regardless of age.
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ALTER TABLE public.documents ADD COLUMN owner_user_id bigint DEFAULT 0 NOT NULL;
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ALTER TABLE public.photos ADD COLUMN owner_user_id bigint DEFAULT 0 NOT NULL;
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-- Pre-existing rows predate ownership tracking and have no recorded
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-- uploader; they stay at 0 ("unattributed") rather than being backfilled
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-- with a guess, and are surfaced as their own bucket in the admin UI.
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CREATE INDEX idx_documents_owner_user_id ON public.documents (owner_user_id) WHERE owner_user_id <> 0;
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CREATE INDEX idx_photos_owner_user_id ON public.photos (owner_user_id) WHERE owner_user_id <> 0;
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CREATE TABLE public.media_references (
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media_kind text NOT NULL,
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media_id bigint NOT NULL,
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ref_kind text NOT NULL,
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ref_key text NOT NULL,
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created_at timestamp with time zone DEFAULT now() NOT NULL,
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PRIMARY KEY (media_kind, media_id, ref_kind, ref_key)
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);
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CREATE INDEX idx_media_references_media ON public.media_references (media_kind, media_id);
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ALTER TABLE public.documents ADD COLUMN orphaned_at timestamp with time zone;
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ALTER TABLE public.photos ADD COLUMN orphaned_at timestamp with time zone;
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CREATE INDEX idx_documents_orphaned_at ON public.documents (orphaned_at) WHERE orphaned_at IS NOT NULL;
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CREATE INDEX idx_photos_orphaned_at ON public.photos (orphaned_at) WHERE orphaned_at IS NOT NULL;
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