背景：有一份数据库备份文件，sql语句中包含了drop语句。postgresql数据中有一个模式：test_schema，owner是test_schema_onwer。有另外一个用户test_username2。test_username2具有test_schema的所有权限。
test_username2才是操作test_schema的用户。
现在使用test_username2登录，并执行恢复备份语句。然后出现了must be member of role "xxxx"。
原因：只有模式的owner才能删除表和创建索引。
解决办法：将test_schema的owner权限从test_schema_onwer改为test_username2。
实现：
先使用test_schema_onwer登录数据库：
-- 查看用户关系
postgres=> \duList of rolesRole name | Attributes | Member of
-----------------+------------------------------------------------------------+-----------coremanage | Create role | {}coremanagetest1 | | {}postgres | Superuser, Create role, Create DB, Replication, Bypass RLS | {}-- 查看所有模式的owner
postgres=> \dnList of schemasName | Owner
----------------+------------core_manage_db | postgrespublic | postgrestest_schema | coremanage
(3 rows)-- 将 coremanagetest1 加入到 coremanage
postgres=> grant coremanage to coremanagetest1 ;
GRANT ROLE
postgres=> \duList of rolesRole name | Attributes | Member of
-----------------+--------------------------------------------------------+--------------coremanage | Create role | {}coremanagetest1 | | {coremanage}postgres | Superuser, Create role, Create DB, Replication, Bypass RLS | {}-- 切换coremanagetest1 登录postgres=> \c postgres coremanagetest1;
You are now connected to database "postgres" as user "coremanagetest1".
-- 修改owner
postgres=> alter schema test_schema owner to coremanagetest1;
ALTER SCHEMA-- 查看权限postgres=> \dnList of schemasName | Owner
----------------+-----------------core_manage_db | postgrespublic | postgrestest_schema | coremanagetest1
(3 rows)这样就可以修改过来了
如果这时候需要收回coremanage的coremanagetest1权限。只需要在切换到coremanage登录然后执行：
revoke coremanage from coremanagetest1;
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