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一个复现用例: 升级后创建以下视图，回滚后查看该视图定义报同样的错误

SELECT
	l.objoid, l.classoid, l.objsubid,
	'column'::text AS objtype,
	rel.relnamespace AS objnamespace,
	CASE WHEN pg_catalog.pg_table_is_visible(rel.oid)
	     THEN pg_catalog.quote_ident(rel.relname)
	     ELSE pg_catalog.quote_ident(nsp.nspname) || '.' || pg_catalog.quote_ident(rel.relname)
	     END || '.' || att.attname AS objname,
	l.provider, l.label
FROM
	pg_seclabel l
	JOIN pg_class rel ON l.classoid = rel.tableoid AND l.objoid = rel.oid
	JOIN pg_attribute att
	     ON rel.oid = att.attrelid AND l.objsubid = att.attnum
	JOIN pg_namespace nsp ON rel.relnamespace = nsp.oid
WHERE
	l.objsubid != 0

不再报错，验证通过