52 lines
2.1 KiB
SQL
52 lines
2.1 KiB
SQL
-- Star gifts are owned by a peer, not only by users: user gifts are addressed by
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-- inputSavedStarGiftUser.msg_id, while channel gifts are addressed by
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-- inputSavedStarGiftChat{peer,saved_id}.
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DO $$
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BEGIN
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IF to_regclass('public.user_star_gifts') IS NOT NULL
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AND to_regclass('public.peer_star_gifts') IS NULL THEN
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ALTER TABLE public.user_star_gifts RENAME TO peer_star_gifts;
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END IF;
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IF EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_schema = 'public'
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AND table_name = 'peer_star_gifts'
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AND column_name = 'owner_user_id'
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) THEN
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ALTER TABLE public.peer_star_gifts RENAME COLUMN owner_user_id TO owner_peer_id;
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END IF;
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END $$;
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ALTER TABLE public.peer_star_gifts
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ADD COLUMN IF NOT EXISTS owner_peer_type text DEFAULT 'user' NOT NULL,
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ADD COLUMN IF NOT EXISTS saved_id bigint DEFAULT 0 NOT NULL;
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ALTER TABLE public.peer_star_gifts
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DROP CONSTRAINT IF EXISTS user_star_gifts_owner_msg_uniq,
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DROP CONSTRAINT IF EXISTS peer_star_gifts_owner_peer_type_check,
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DROP CONSTRAINT IF EXISTS peer_star_gifts_ref_check;
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DROP INDEX IF EXISTS public.user_star_gifts_owner_idx;
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DROP INDEX IF EXISTS public.peer_star_gifts_owner_idx;
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DROP INDEX IF EXISTS public.peer_star_gifts_user_msg_uniq;
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DROP INDEX IF EXISTS public.peer_star_gifts_channel_saved_uniq;
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ALTER TABLE public.peer_star_gifts
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ADD CONSTRAINT peer_star_gifts_owner_peer_type_check CHECK (owner_peer_type IN ('user', 'channel')),
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ADD CONSTRAINT peer_star_gifts_ref_check CHECK (
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(owner_peer_type = 'user' AND msg_id > 0 AND saved_id = 0)
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OR
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(owner_peer_type = 'channel' AND msg_id > 0 AND saved_id > 0)
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);
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CREATE UNIQUE INDEX peer_star_gifts_user_msg_uniq
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ON public.peer_star_gifts (owner_peer_type, owner_peer_id, msg_id)
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WHERE owner_peer_type = 'user' AND msg_id > 0;
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CREATE UNIQUE INDEX peer_star_gifts_channel_saved_uniq
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ON public.peer_star_gifts (owner_peer_type, owner_peer_id, saved_id)
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WHERE owner_peer_type = 'channel' AND saved_id > 0;
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CREATE INDEX peer_star_gifts_owner_idx
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ON public.peer_star_gifts (owner_peer_type, owner_peer_id, gift_date DESC, id DESC);
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