20 lines
841 B
SQL
20 lines
841 B
SQL
CREATE TABLE IF NOT EXISTS public.channel_usernames (
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username_lower text NOT NULL,
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channel_id bigint NOT NULL,
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updated_at timestamp with time zone DEFAULT now() NOT NULL,
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CONSTRAINT channel_usernames_nonempty_check CHECK (username_lower <> '')
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);
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ALTER TABLE ONLY public.channel_usernames
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ADD CONSTRAINT channel_usernames_pkey PRIMARY KEY (username_lower);
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INSERT INTO public.channel_usernames (username_lower, channel_id)
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SELECT username_lower, peer_id
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FROM public.peer_usernames
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WHERE peer_type = 'channel';
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DROP TRIGGER IF EXISTS users_delete_peer_username ON public.users;
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DROP TRIGGER IF EXISTS channels_delete_peer_username ON public.channels;
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DROP FUNCTION IF EXISTS public.delete_user_peer_username();
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DROP FUNCTION IF EXISTS public.delete_channel_peer_username();
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DROP TABLE IF EXISTS public.peer_usernames;
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