26 lines
764 B
MySQL
26 lines
764 B
MySQL
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-- Chats
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CREATE TABLE IF NOT EXISTS public.chats (
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chatid UUID DEFAULT gen_random_uuid () NOT NULL,
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created_at TIMESTAMP WITHOUT TIME ZONE NOT NULL,
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user_ref UUID NOT NULL,
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tags TEXT []
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);
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-- Primary Key
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DO $$ BEGIN
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ALTER TABLE public.chats
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ADD CONSTRAINT chats_pkey PRIMARY KEY (chatid);
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EXCEPTION
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WHEN invalid_table_definition THEN
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RAISE NOTICE 'Primary key already exists. Ignoring...';
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END $$;
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-- Foreign Key to Users
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DO $$ BEGIN IF NOT EXISTS (
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SELECT 1 FROM pg_constraint
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WHERE conname = 'userchats'
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) THEN
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ALTER TABLE public.chats
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ADD CONSTRAINT userchats
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FOREIGN KEY (user_ref) REFERENCES public.users (id)
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ON UPDATE CASCADE ON DELETE CASCADE;
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END IF;
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END $$;
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