PG/Gauss授权

--触发器 记录表、sequence 授权  
select * from information_schema.role_table_grants where table_name='xxx_table';
select * from information_schema.table_privileges where table_name='xxx_table';
select t.relacl, t.* FROM pg_class t WHERE relname = 'xxx_table' and relnamespace=784261; -- https://support.huaweicloud.com/dws_faq/dws_03_0201.html
SELECT * FROM has_table_privilege('xxx_schema','xxx_table','select');
select * from pg_namespace t where nspname='bd'
select * from pg_database;
select * from pg_tablespace;
select defaclacl,t.* from pg_default_acl t; 
select * from pg_user;