테넌트 목록 조회 cursor기반으로 재구성. 사용자 metadata 미사용 필드 제거

scripts/clear_orphan_user_tenant_memberships.sql

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+-- 삭제되었거나 존재하지 않는 tenant를 가리키는 사용자 소속정보를 정리한다.
+-- 실행 예:
+--   docker exec -i baron_postgres psql -U baron -d baron_sso < scripts/clear_orphan_user_tenant_memberships.sql
+
+BEGIN;
+
+WITH orphan_users AS (
+	SELECT
+		u.id,
+		u.email,
+		u.tenant_id,
+		u.company_code,
+		u.company_codes
+	FROM users AS u
+	WHERE u.deleted_at IS NULL
+	  AND (
+		(
+			u.tenant_id IS NOT NULL
+			AND NOT EXISTS (
+				SELECT 1
+				FROM tenants AS t
+				WHERE t.id = u.tenant_id
+				  AND t.deleted_at IS NULL
+			)
+		)
+		OR (
+			NULLIF(BTRIM(u.company_code), '') IS NOT NULL
+			AND NOT EXISTS (
+				SELECT 1
+				FROM tenants AS t
+				WHERE LOWER(t.slug) = LOWER(BTRIM(u.company_code))
+				  AND t.deleted_at IS NULL
+			)
+		)
+		OR EXISTS (
+			SELECT 1
+			FROM UNNEST(COALESCE(u.company_codes, ARRAY[]::text[])) AS code(value)
+			WHERE NULLIF(BTRIM(code.value), '') IS NOT NULL
+			  AND NOT EXISTS (
+				SELECT 1
+				FROM tenants AS t
+				WHERE LOWER(t.slug) = LOWER(BTRIM(code.value))
+				  AND t.deleted_at IS NULL
+			  )
+		)
+	  )
+),
+updated_users AS (
+	UPDATE users AS u
+	SET tenant_id = NULL,
+		company_code = '',
+		company_codes = NULL,
+		updated_at = NOW()
+	FROM orphan_users AS ou
+	WHERE u.id = ou.id
+	RETURNING
+		u.id,
+		u.email,
+		ou.tenant_id AS cleared_tenant_id,
+		ou.company_code AS cleared_company_code,
+		ou.company_codes AS cleared_company_codes
+)
+SELECT *
+FROM updated_users
+ORDER BY email;
+
+COMMIT;