Amazon redshift 红移中一个表依赖于另一个表

有人能告诉我如何在amazon redshift中检查表依赖关系吗？ i、 我想删除我的主表，并列出依赖于我的主表的所有其他表

我正在检查以下查询，但它没有按要求工作

SELECT DISTINCT c_p.oid AS tbloid
,n_p.nspname AS schemaname
,c_p.relname AS NAME
,n_c.nspname AS refbyschemaname
,c_c.relname AS refbyname
,c_c.oid AS viewoid
FROM pg_class c_p
JOIN pg_depend d_p ON c_p.relfilenode = d_p.refobjid
JOIN pg_depend d_c ON d_p.objid = d_c.objid
JOIN pg_class c_c ON d_c.refobjid = c_c.relfilenode
LEFT JOIN pg_namespace n_p ON c_p.relnamespace = n_p.oid
LEFT JOIN pg_namespace n_c ON c_c.relnamespace = n_c.oid
WHERE d_c.deptype = 'i'::"char"
AND c_c.relkind = 'v'::"char"
AND c_p.relname = 'TV_input source'

非常感谢您的帮助