26 lines
727 B
MySQL
26 lines
727 B
MySQL
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-- Add column only if it doesn't exist
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_schema = 'public'
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AND table_name = 'servizio_annunci'
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AND column_name = 'servizio_annunci_id'
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) THEN
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ALTER TABLE public.servizio_annunci
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ADD COLUMN servizio_annunci_id serial NOT NULL;
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END IF;
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END $$;
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-- Add primary key only if it doesn't exist
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DO $$
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BEGIN
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IF NOT EXISTS (
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SELECT 1 FROM pg_constraint
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WHERE conname = 'servizio_annunci_pkey'
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AND conrelid = 'public.servizio_annunci'::regclass
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) THEN
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ALTER TABLE public.servizio_annunci
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ADD PRIMARY KEY (servizio_annunci_id);
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END IF;
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END $$;
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