55 lines
1.9 KiB
PL/PgSQL
55 lines
1.9 KiB
PL/PgSQL
BEGIN;
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DO $$
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BEGIN
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IF to_regclass('public.project_databases') IS NULL
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OR to_regclass('public.user_project_membership') IS NULL THEN
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RAISE EXCEPTION '033_metadata_project_settings must run in the project metadata database';
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END IF;
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END $$;
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ALTER TABLE public.projects
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ADD COLUMN IF NOT EXISTS settings jsonb NOT NULL DEFAULT '{}'::jsonb;
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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 conrelid = 'public.projects'::regclass
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AND conname = 'projects_settings_object_check'
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) THEN
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ALTER TABLE public.projects
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ADD CONSTRAINT projects_settings_object_check
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CHECK (jsonb_typeof(settings) = 'object');
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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' AND table_name = 'projects'
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AND column_name = 'scada_monitoring_interval_seconds'
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) THEN
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IF EXISTS (
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SELECT 1 FROM public.projects
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WHERE scada_monitoring_interval_seconds IS NOT NULL
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AND settings ? 'scada_monitoring_interval_seconds'
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AND settings->'scada_monitoring_interval_seconds'
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IS DISTINCT FROM to_jsonb(scada_monitoring_interval_seconds)
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) THEN
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RAISE EXCEPTION 'Conflicting SCADA monitoring intervals; resolve before migration';
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END IF;
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UPDATE public.projects
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SET settings = settings || jsonb_build_object(
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'scada_monitoring_interval_seconds', scada_monitoring_interval_seconds
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)
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WHERE scada_monitoring_interval_seconds IS NOT NULL;
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ALTER TABLE public.projects DROP COLUMN scada_monitoring_interval_seconds;
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END IF;
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END $$;
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COMMENT ON COLUMN public.projects.settings IS
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'项目级通用配置（JSON 对象，不存放密钥）；scada_monitoring_interval_seconds 为监测任务间隔秒数。';
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COMMIT;
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