Cheng Zhou
16 lines
521 B
SQL
16 lines
521 B
SQL
ALTER TABLE public.faq_items
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ADD COLUMN IF NOT EXISTS best_reply_id uuid;
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint WHERE conname = 'faq_items_best_reply_id_fkey'
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) THEN
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ALTER TABLE ONLY public.faq_items
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ADD CONSTRAINT faq_items_best_reply_id_fkey
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FOREIGN KEY (best_reply_id) REFERENCES public.faq_replies(id) ON DELETE SET NULL;
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END IF;
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END $$;
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CREATE INDEX IF NOT EXISTS ix_faq_items_best_reply_id ON public.faq_items USING btree (best_reply_id);
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