pg_dump导出psql导入举例

备份：

[postgres9.6@db bin]$ pg_dump -h localhost -U postgres9.6 test > /tmp/test.bak

恢复： 

postgres# drop database test;

DROP DATABASE

[postgres9.6@db tmp]$ psql -h localhost -U postgres9.6 -d test < /tmp/test.bak

psql: FATAL:  database "test" does not exist

postgres# create database test;

CREATE DATABASE

[postgres9.6@db tmp]$ psql -h localhost -U postgres9.6 -d test < /tmp/test.bak

Null display is "NULL".

Pager is always used.

Timing is on.

SET

Time: 0.137 ms

SET

Time: 0.444 ms

SET

Time: 0.085 ms

SET

Time: 0.069 ms

SET

Time: 0.072 ms

SET

Time: 0.060 ms

SET

Time: 0.060 ms

SET

Time: 0.058 ms

CREATE SCHEMA

Time: 5.376 ms

ALTER SCHEMA

Time: 4.268 ms

CREATE SCHEMA

Time: 1.322 ms

ALTER SCHEMA

Time: 4.456 ms

CREATE EXTENSION

Time: 1.637 ms

COMMENT

Time: 1.165 ms

SET

Time: 0.180 ms

SET

Time: 0.106 ms

SET

Time: 0.067 ms

CREATE TABLE

Time: 9.446 ms

ALTER TABLE

Time: 4.524 ms

SET

Time: 0.372 ms

CREATE TABLE

Time: 4.539 ms

ALTER TABLE

Time: 1.581 ms

SET

Time: 4.129 ms

COPY 6

Time: 3.604 ms

SET

Time: 0.110 ms

COPY 0

Time: 0.192 ms

SET

Time: 0.061 ms

GRANT

Time: 1.086 ms

[postgres9.6@db tmp]$ 

[postgres9.6@db tmp]$ psql test a

Null display is "NULL".

Pager is always used.

Timing is on.

psql (9.6.1)

Type "help" for help.

a@[local]:5432 test# select * from test;

 id 

----

  1

  1

  1

  1

  1

  1

(6 rows)

Time: 0.795 ms

[postgres9.6@db tmp]$ pg_restore --host localhost --port 5432 --username "postgres9.6" --dbname "test" --no-password  --verbose "/tmp/test.bak"

pg_restore: [archiver] input file appears to be a text format dump. Please use psql.

一个数据库(或者部分对象)导出为脚本文本文件，用psql恢复。

一个数据库(或者部分对象)导出为归档文件，用pg_restore恢复。