pg_restore：[存档（db）]处理目录时出错：

Question

我已经使用pg_restore恢复了数据库。 我发现数据已还原，但引发了一些错误。 这些错误的原因是什么？

这是用于还原的命令

pg_restore -U postgres -d newdb08aug19 -j5远程

pg_restore: [archiver (db)] Error while PROCESSING TOC:
pg_restore: [archiver (db)] Error from TOC entry 7616;
 2606 36663585 FK CONSTRAINT card_history_cashcard_id_fk unify37
pg_restore: [archiver (db)] could not execute query: ERROR:  relation "public.voucher" does not exist
    Command was: ALTER TABLE ONLY finance.card_history
    ADD CONSTRAINT card_history_cashcard_id_fk FOREIGN KEY (cashcard_id) REFERENCES pu...
pg_restore: [archiver (db)] Error from TOC entry 7614; 2606 36662489 FK CONSTRAINT card_history_coupon_id_fk unify37
pg_restore: [archiver (db)] could not execute query: ERROR:  relation "public.cpn" does not exist
    Command was: ALTER TABLE ONLY finance.card_history
    ADD CONSTRAINT card_history_coupon_id_fk FOREIGN KEY (coupon_id) REFERENCES public...
pg_restore: [archiver (db)] Error from TOC entry 7615; 2606 36663406 FK CONSTRAINT card_history_domno_fk unify37
pg_restore: [archiver (db)] could not execute query: ERROR:  relation "public.ssgdom" does not exist
    Command was: ALTER TABLE ONLY finance.card_history
    ADD CONSTRAINT card_history_domno_fk FOREIGN KEY (domno) REFERENCES public.ssgdom(...

这些错误的原因是什么？

Answer 1

您仅转储了数据库的一部分（可能使用了-n finance类的东西，它只会转储该模式中的对象）。

因此，还原转储时， 未包含在转储中的引用表的外键约束将导致错误消息。

除约束以外的所有内容都将正确还原。