恢復Postgres數據庫轉儲

Question

無法還原Postgres數據庫轉儲

我使用了以下命令

 sudo psql my_database_name < feb9.sql
    SET
    SET
    SET
    SET
    SET
    CREATE EXTENSION
    COMMENT
    SET
    SET
    SET
    ERROR:  relation "admin_tools_dashboard_preferences" already exists
    ALTER TABLE
    ERROR:  relation "admin_tools_dashboard_preferences_id_seq" already exists
    ALTER TABLE
    ALTER SEQUENCE
    ERROR:  relation "admin_tools_menu_bookmark" already exists
    ALTER TABLE
    ERROR:  relation "admin_tools_menu_bookmark_id_seq" already exists
    ALTER TABLE
    ALTER SEQUENCE
    ERROR:  relation "auth_group" already exists
    ALTER TABLE
    ERROR:  relation "auth_group_id_seq" already exists



ERROR:  duplicate key value violates unique constraint "product_rateclass_code_uniq"
DETAIL:  Key (code)=(0) already exists.
CONTEXT:  COPY product_rateclass, line 1: "40787    0   Tariff Rates"
 setval 
--------
  40791
(1 row)
ERROR:  relation "admin_tools_menu_bookmark_user_id" already exists
ERROR:  relation "auth_group_name_like" already exists
ERROR:  relation "auth_group_permissions_group_id" already exists
ERROR:  relation "auth_group_permissions_permission_id" already exists
ERROR:  relation "auth_permission_content_type_id" already exists
ERROR:  relation "auth_user_groups_group_id" already exists
ERROR:  relation "auth_user_groups_user_id" already exists
ERROR:  relation "auth_user_user_permissions_permission_id" already exists
ERROR:  relation "auth_user_user_permissions_user_id" already exists
ERROR:  relation "auth_user_username_like" already exists
REVOKE
REVOKE
GRANT
GRANT

我收到了以上錯誤日志（我的此類日志運行了數百行，我使用了幾行作為參考）。

執行該命令后，數據庫仍包含舊記錄，而不是新記錄。

Answer 1

我刪除了現有數據庫並創建了新數據庫。

$dropdb development_db_name
$ createdb developmnent_db_name

然后我使用還原了數據庫

 sudo psql my_database_name < feb9.sql