PG 논리 백업 및 지정된 데이터베이스 객체 복구
60385 단어 PostgreSQL
테스트 데이터 생성 [postgres@lxm ~]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# \l
List of databases
Name | Owner | Encoding | Collate | Ctype | Access privileges
-----------+----------+----------+---------+-------+-----------------------
postgres | postgres | UTF8 | C | C |
template0 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
(3 rows)
postgres=# create database test template template0;
CREATE DATABASE
postgres=# \c test
You are now connected to database "test" as user "postgres".
test=# create table test( id int primary key , name varchar);
CREATE TABLE
test=# insert into test select n, n
test-# ||'name' from generate_series(1,10) n;
INSERT 0 10
test=# select * from test;
id | name
----+--------
1 | 1name
2 | 2name
3 | 3name
4 | 4name
5 | 5name
6 | 6name
7 | 7name
8 | 8name
9 | 9name
10 | 10name
(10 rows)
test=# create table test2 (like test including all);
CREATE TABLE
test=# \d+ test2
Table "public.test2"
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
--------+-------------------+-----------+----------+---------+----------+--------------+-------------
id | integer | | not null | | plain | |
name | character varying | | | | extended | |
Indexes:
"test2_pkey" PRIMARY KEY, btree (id)
Access method: heap
test=# insert into test2 select * from test;
INSERT 0 10
test=# select count(*) from test2;
count
-------
10
(1 row)
test=#
test=# \q
전체 라이브러리 테스트 백업 [postgres@lxm test2]$ pg_dump -U postgres -Ft -f test_tar.dmp -C -c --if-exists test
Password:
[postgres@lxm test2]$ ls
test_tar.dmp
test 데이터베이스 삭제 [postgres@lxm test2]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# drop database test;
DROP DATABASE
postgres=# \l
List of databases
Name | Owner | Encoding | Collate | Ctype | Access privileges
-----------+----------+----------+---------+-------+-----------------------
postgres | postgres | UTF8 | C | C |
template0 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
(3 rows)
postgres=# \q
테스트 풀 라이브러리 복원 [postgres@lxm test2]$ pg_restore -U postgres -d postgres -C -c --if-exists test_tar.dmp
Password:
[postgres@lxm test2]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# \l
List of databases
Name | Owner | Encoding | Collate | Ctype | Access privileges
-----------+----------+----------+---------+-------+-----------------------
postgres | postgres | UTF8 | C | C |
template0 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
test | postgres | UTF8 | C | C |
(4 rows)
postgres=# \c test
You are now connected to database "test" as user "postgres".
test=# \dt
List of relations
Schema | Name | Type | Owner
--------+-------+-------+----------
public | test | table | postgres
public | test2 | table | postgres
(2 rows)
test=# select count(*) from test;
count
-------
10
(1 row)
test=# select count(*) from test2;
count
-------
10
(1 row)
test 데이터베이스 삭제 [postgres@lxm test2]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# drop database test;
DROP DATABASE
postgres=# \q
[postgres@lxm t
테스트 테이블 및 데이터 복구
방법 1
[postgres@lxm ~]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# \l
List of databases
Name | Owner | Encoding | Collate | Ctype | Access privileges
-----------+----------+----------+---------+-------+-----------------------
postgres | postgres | UTF8 | C | C |
template0 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
(3 rows)
postgres=# create database test template template0;
CREATE DATABASE
postgres=# \c test
You are now connected to database "test" as user "postgres".
test=# create table test( id int primary key , name varchar);
CREATE TABLE
test=# insert into test select n, n
test-# ||'name' from generate_series(1,10) n;
INSERT 0 10
test=# select * from test;
id | name
----+--------
1 | 1name
2 | 2name
3 | 3name
4 | 4name
5 | 5name
6 | 6name
7 | 7name
8 | 8name
9 | 9name
10 | 10name
(10 rows)
test=# create table test2 (like test including all);
CREATE TABLE
test=# \d+ test2
Table "public.test2"
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
--------+-------------------+-----------+----------+---------+----------+--------------+-------------
id | integer | | not null | | plain | |
name | character varying | | | | extended | |
Indexes:
"test2_pkey" PRIMARY KEY, btree (id)
Access method: heap
test=# insert into test2 select * from test;
INSERT 0 10
test=# select count(*) from test2;
count
-------
10
(1 row)
test=#
test=# \q
[postgres@lxm test2]$ pg_dump -U postgres -Ft -f test_tar.dmp -C -c --if-exists test
Password:
[postgres@lxm test2]$ ls
test_tar.dmp
test 데이터베이스 삭제 [postgres@lxm test2]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# drop database test;
DROP DATABASE
postgres=# \l
List of databases
Name | Owner | Encoding | Collate | Ctype | Access privileges
-----------+----------+----------+---------+-------+-----------------------
postgres | postgres | UTF8 | C | C |
template0 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
(3 rows)
postgres=# \q
테스트 풀 라이브러리 복원 [postgres@lxm test2]$ pg_restore -U postgres -d postgres -C -c --if-exists test_tar.dmp
Password:
[postgres@lxm test2]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# \l
List of databases
Name | Owner | Encoding | Collate | Ctype | Access privileges
-----------+----------+----------+---------+-------+-----------------------
postgres | postgres | UTF8 | C | C |
template0 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
test | postgres | UTF8 | C | C |
(4 rows)
postgres=# \c test
You are now connected to database "test" as user "postgres".
test=# \dt
List of relations
Schema | Name | Type | Owner
--------+-------+-------+----------
public | test | table | postgres
public | test2 | table | postgres
(2 rows)
test=# select count(*) from test;
count
-------
10
(1 row)
test=# select count(*) from test2;
count
-------
10
(1 row)
test 데이터베이스 삭제 [postgres@lxm test2]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# drop database test;
DROP DATABASE
postgres=# \q
[postgres@lxm t
테스트 테이블 및 데이터 복구
방법 1
[postgres@lxm test2]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# drop database test;
DROP DATABASE
postgres=# \l
List of databases
Name | Owner | Encoding | Collate | Ctype | Access privileges
-----------+----------+----------+---------+-------+-----------------------
postgres | postgres | UTF8 | C | C |
template0 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
(3 rows)
postgres=# \q
[postgres@lxm test2]$ pg_restore -U postgres -d postgres -C -c --if-exists test_tar.dmp
Password:
[postgres@lxm test2]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# \l
List of databases
Name | Owner | Encoding | Collate | Ctype | Access privileges
-----------+----------+----------+---------+-------+-----------------------
postgres | postgres | UTF8 | C | C |
template0 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
test | postgres | UTF8 | C | C |
(4 rows)
postgres=# \c test
You are now connected to database "test" as user "postgres".
test=# \dt
List of relations
Schema | Name | Type | Owner
--------+-------+-------+----------
public | test | table | postgres
public | test2 | table | postgres
(2 rows)
test=# select count(*) from test;
count
-------
10
(1 row)
test=# select count(*) from test2;
count
-------
10
(1 row)
test 데이터베이스 삭제 [postgres@lxm test2]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# drop database test;
DROP DATABASE
postgres=# \q
[postgres@lxm t
테스트 테이블 및 데이터 복구
방법 1
[postgres@lxm test2]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# drop database test;
DROP DATABASE
postgres=# \q
[postgres@lxm t
방법 1
[postgres@lxm test2]$ pg_restore -U postgres -l -f test.toc test_tar.dmp
[postgres@lxm test2]$ ls
test_tar.dmp test.toc
[postgres@lxm test2]$ more test.toc
;
; Archive created at 2020-06-16 12:43:38 CST
; dbname: test
; TOC Entries: 10
; Compression: 0
; Dump Version: 1.14-0
; Format: TAR
; Integer: 4 bytes
; Offset: 8 bytes
; Dumped from database version: 13beta1
; Dumped by pg_dump version: 13beta1
;
;
; Selected TOC Entries:
;
200; 1259 16545 TABLE public test postgres
201; 1259 16551 TABLE public test2 postgres
3076; 0 16545 TABLE DATA public test postgres
3077; 0 16551 TABLE DATA public test2 postgres
2945; 2606 16558 CONSTRAINT public test2 test2_pkey postgres
2943; 2606 16560 CONSTRAINT public test test_pkey postgres
[postgres@lxm test2]$
[postgres@lxm test2]$ vim test.toc
[postgres@lxm test2]$
[postgres@lxm test2]$ more test.toc
;
; Archive created at 2020-06-16 12:43:38 CST
; dbname: test
; TOC Entries: 10
; Compression: 0
; Dump Version: 1.14-0
; Format: TAR
; Integer: 4 bytes
; Offset: 8 bytes
; Dumped from database version: 13beta1
; Dumped by pg_dump version: 13beta1
;
;
; Selected TOC Entries:
;
200; 1259 16545 TABLE public test postgres
;201; 1259 16551 TABLE public test2 postgres
3076; 0 16545 TABLE DATA public test postgres
;3077; 0 16551 TABLE DATA public test2 postgres
;2945; 2606 16558 CONSTRAINT public test2 test2_pkey postgres
2943; 2606 16560 CONSTRAINT public test test_pkey postgres
[postgres@lxm test2]$
[postgres@lxm test2]$ pg_restore -U postgres -d postgres -Ft -L test.toc -C -c --if-exists test_tar.dmp
Password:
[postgres@lxm test2]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# \l
List of databases
Name | Owner | Encoding | Collate | Ctype | Access privileges
-----------+----------+----------+---------+-------+-----------------------
postgres | postgres | UTF8 | C | C |
template0 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
test | postgres | UTF8 | C | C |
(4 rows)
postgres=# \c test
You are now connected to database "test" as user "postgres".
test=# \dt
List of relations
Schema | Name | Type | Owner
--------+------+-------+----------
public | test | table | postgres
(1 row)
test=# select count(*) from test;
count
-------
10
(1 row)
test=# select * from test;
id | name
----+--------
1 | 1name
2 | 2name
3 | 3name
4 | 4name
5 | 5name
6 | 6name
7 | 7name
8 | 8name
9 | 9name
10 | 10name
(10 rows)
test=#
방법 2
[postgres@lxm test2]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# \l
List of databases
Name | Owner | Encoding | Collate | Ctype | Access privileges
-----------+----------+----------+---------+-------+-----------------------
postgres | postgres | UTF8 | C | C |
template0 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
test | postgres | UTF8 | C | C |
(4 rows)
postgres=# drop database test;
DROP DATABASE
postgres=# \q
[postgres@lxm test2]$ pg_restore -U postgres -d postgres -Ft -t test -C -c --if-exists test_tar.dmp
Password:
[postgres@lxm test2]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# \l
List of databases
Name | Owner | Encoding | Collate | Ctype | Access privileges
-----------+----------+----------+---------+-------+-----------------------
postgres | postgres | UTF8 | C | C |
template0 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
test | postgres | UTF8 | C | C |
(4 rows)
postgres=# \c test
You are now connected to database "test" as user "postgres".
test=# \dt
List of relations
Schema | Name | Type | Owner
--------+------+-------+----------
public | test | table | postgres
(1 row)
test=# \d+ test
Table "public.test"
Column | Type | Collation | Nullable | Default | Storage | Stats target | Description
--------+-------------------+-----------+----------+---------+----------+--------------+-------------
id | integer | | not null | | plain | |
name | character varying | | | | extended | |
Access method: heap
test=# select count(*) from test;
count
-------
10
(1 row)
# 복구 함수
방법 1
함수 만들기
[postgres@lxm test_function]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# create database test template template0;
CREATE DATABASE
postgres=# \c test
You are now connected to database "test" as user "postgres".
test=# create table test(id int primary key , name varchar);
CREATE TABLE
test=# insert into test values(1,'a'),(2,'b');
INSERT 0 2
test=# CREATE OR REPLACE FUNCTION func_test()
test-# RETURNS integer
test-# AS
test-# $BODY$
test$# declare
test$# BEGIN
test$#
test$# END;
test$# $BODY$ LANGUAGE plpgsql;
CREATE FUNCTION
test=# \df
List of functions
Schema | Name | Result data type | Argument data types | Type
--------+-----------+------------------+---------------------+------
public | func_test | integer | | func
(1 row)
test=# \dt
List of relations
Schema | Name | Type | Owner
--------+------+-------+----------
public | test | table | postgres
(1 row)
test=# \q
[postgres@lxm test_function]$ ls
test_t.dmp
[postgres@lxm test_function]$ rm -f test_t.dmp
[postgres@lxm test_function]$ pg_dump -U postgres -Ft -f test_t.dmp test
Password:
[postgres@lxm test_function]$ ls
test_t.dmp
test 데이터베이스 삭제
[postgres@lxm test_function]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# \l
List of databases
Name | Owner | Encoding | Collate | Ctype | Access privileges
-----------+----------+----------+---------+-------+-----------------------
postgres | postgres | UTF8 | C | C |
template0 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
test | postgres | UTF8 | C | C |
(4 rows)
postgres=# drop database test;
DROP DATABASE
postgres=# \q
복구 함수 func_테스트 및 테이블 테스트
[postgres@lxm test_function]$ pg_restore -Upostgres -d postgres -t test -P func_test\(\) -C -c --if-exists test_t.dmp
Password:
[postgres@lxm test_function]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# \l
List of databases
Name | Owner | Encoding | Collate | Ctype | Access privileges
-----------+----------+----------+---------+-------+-----------------------
postgres | postgres | UTF8 | C | C |
template0 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
test | postgres | UTF8 | C | C |
(4 rows)
postgres=# \c test
You are now connected to database "test" as user "postgres".
test=# \df
List of functions
Schema | Name | Result data type | Argument data types | Type
--------+-----------+------------------+---------------------+------
public | func_test | integer | | func
(1 row)
test=# \dt
List of relations
Schema | Name | Type | Owner
--------+------+-------+----------
public | test | table | postgres
(1 row)
test=# \q
[postgres@lxm test_function]$
방법 2
[postgres@lxm test_function]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# \c test
You are now connected to database "test" as user "postgres".
test=# \df
List of functions
Schema | Name | Result data type | Argument data types | Type
--------+------+------------------+---------------------+------
(0 rows)
test=# \dt
List of relations
Schema | Name | Type | Owner
--------+------+-------+----------
public | test | table | postgres
(1 row)
test=# create table test2 (like test including all);
CREATE TABLE
test=#
test=# CREATE OR REPLACE FUNCTION func_add(a int, b int)
test-# RETURNS integer
test-# AS
test-# $BODY$
test$# declare
test$# BEGIN
test$# return $1+$2;
test$# END;
test$# $BODY$ LANGUAGE plpgsql;
CREATE FUNCTION
test=#
test=# CREATE OR REPLACE FUNCTION func_test()
test-# RETURNS integer
test-# AS
test-# $BODY$
test$# declare
test$# BEGIN
test$#
test$# END;
test$# $BODY$ LANGUAGE plpgsql;
CREATE FUNCTION
test=# \q
[postgres@lxm test_function]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# create database test template template0;
CREATE DATABASE
postgres=# \c test
You are now connected to database "test" as user "postgres".
test=# create table test(id int primary key , name varchar);
CREATE TABLE
test=# insert into test values(1,'a'),(2,'b');
INSERT 0 2
test=# CREATE OR REPLACE FUNCTION func_test()
test-# RETURNS integer
test-# AS
test-# $BODY$
test$# declare
test$# BEGIN
test$#
test$# END;
test$# $BODY$ LANGUAGE plpgsql;
CREATE FUNCTION
test=# \df
List of functions
Schema | Name | Result data type | Argument data types | Type
--------+-----------+------------------+---------------------+------
public | func_test | integer | | func
(1 row)
test=# \dt
List of relations
Schema | Name | Type | Owner
--------+------+-------+----------
public | test | table | postgres
(1 row)
test=# \q
[postgres@lxm test_function]$ ls
test_t.dmp
[postgres@lxm test_function]$ rm -f test_t.dmp
[postgres@lxm test_function]$ pg_dump -U postgres -Ft -f test_t.dmp test
Password:
[postgres@lxm test_function]$ ls
test_t.dmp
[postgres@lxm test_function]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# \l
List of databases
Name | Owner | Encoding | Collate | Ctype | Access privileges
-----------+----------+----------+---------+-------+-----------------------
postgres | postgres | UTF8 | C | C |
template0 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
test | postgres | UTF8 | C | C |
(4 rows)
postgres=# drop database test;
DROP DATABASE
postgres=# \q
[postgres@lxm test_function]$ pg_restore -Upostgres -d postgres -t test -P func_test\(\) -C -c --if-exists test_t.dmp
Password:
[postgres@lxm test_function]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# \l
List of databases
Name | Owner | Encoding | Collate | Ctype | Access privileges
-----------+----------+----------+---------+-------+-----------------------
postgres | postgres | UTF8 | C | C |
template0 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
test | postgres | UTF8 | C | C |
(4 rows)
postgres=# \c test
You are now connected to database "test" as user "postgres".
test=# \df
List of functions
Schema | Name | Result data type | Argument data types | Type
--------+-----------+------------------+---------------------+------
public | func_test | integer | | func
(1 row)
test=# \dt
List of relations
Schema | Name | Type | Owner
--------+------+-------+----------
public | test | table | postgres
(1 row)
test=# \q
[postgres@lxm test_function]$
[postgres@lxm test_function]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# \c test
You are now connected to database "test" as user "postgres".
test=# \df
List of functions
Schema | Name | Result data type | Argument data types | Type
--------+------+------------------+---------------------+------
(0 rows)
test=# \dt
List of relations
Schema | Name | Type | Owner
--------+------+-------+----------
public | test | table | postgres
(1 row)
test=# create table test2 (like test including all);
CREATE TABLE
test=#
test=# CREATE OR REPLACE FUNCTION func_add(a int, b int)
test-# RETURNS integer
test-# AS
test-# $BODY$
test$# declare
test$# BEGIN
test$# return $1+$2;
test$# END;
test$# $BODY$ LANGUAGE plpgsql;
CREATE FUNCTION
test=#
test=# CREATE OR REPLACE FUNCTION func_test()
test-# RETURNS integer
test-# AS
test-# $BODY$
test$# declare
test$# BEGIN
test$#
test$# END;
test$# $BODY$ LANGUAGE plpgsql;
CREATE FUNCTION
test=# \q
[postgres@lxm test_function]$ pg_dump -U postgres -Ft -f test_tar.dmp test
[postgres@lxm test_function]$ pg_restore -Upostgres -l -f test.toc test_tar.dmp
[postgres@lxm test_function]$ ls
test_tar.dmp test.toc
[postgres@lxm test_function]$ more test.toc
;
; Archive created at 2020-06-16 13:54:24 CST
; dbname: test
; TOC Entries: 10
; Compression: 0
; Dump Version: 1.14-0
; Format: TAR
; Integer: 4 bytes
; Offset: 8 bytes
; Dumped from database version: 13beta1
; Dumped by pg_dump version: 13beta1
;
;
; Selected TOC Entries:
;
202; 1255 16700 FUNCTION public func_add(integer, integer) postgres
203; 1255 16701 FUNCTION public func_test() postgres
200; 1259 16688 TABLE public test postgres
201; 1259 16694 TABLE public test2 postgres
3074; 0 16688 TABLE DATA public test postgres
3075; 0 16694 TABLE DATA public test2 postgres
[postgres@lxm test_function]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# drop database if exists test;
DROP DATABASE
postgres=# \q
[postgres@lxm test_function]$ pg_restore -Upostgres -d postgres -L test.toc -C -c --if-exists test_tar.dmp
Password:
[postgres@lxm test_function]$ psql
Password for user postgres:
psql (13beta1)
Type "help" for help.
postgres=# \l
List of databases
Name | Owner | Encoding | Collate | Ctype | Access privileges
-----------+----------+----------+---------+-------+-----------------------
postgres | postgres | UTF8 | C | C |
template0 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | C | C | =c/postgres +
| | | | | postgres=CTc/postgres
test | postgres | UTF8 | C | C |
(4 rows)
postgres=# \c test
You are now connected to database "test" as user "postgres".
test=# \dt
List of relations
Schema | Name | Type | Owner
--------+------+-------+----------
public | test | table | postgres
(1 row)
test=# \df
List of functions
Schema | Name | Result data type | Argument data types | Type
--------+----------+------------------+----------------------+------
public | func_add | integer | a integer, b integer | func
(1 row)
총결산
실제 테스트 체험에 의하면 -P를 통해 파라미터가 있는 함수를 복구했는데 복구에 성공하지 못했다. 아마도 내 문법에 문제가 있는 것 같다. 비교해 보면 지정한 파라미터가 있는 함수만 복구하면 toc파일을 생성하고 편집하여 비교적 편리하게 할 수 있다.
이 내용에 흥미가 있습니까?
현재 기사가 여러분의 문제를 해결하지 못하는 경우 AI 엔진은 머신러닝 분석(스마트 모델이 방금 만들어져 부정확한 경우가 있을 수 있음)을 통해 가장 유사한 기사를 추천합니다:
Redmine 데이터베이스를 MySQL에서 PostgreSQL로 마이그레이션 (보충)Redmine 의 Database 를 MySQL 로 운용하고 있었습니다만, MySQL 5.6 이상이나 MariaDB 에는 , , 이러한 티켓이 수년 동안 방치된 상황을 감안하여, PostgreSQL로 마이그레이션하기...
텍스트를 자유롭게 공유하거나 복사할 수 있습니다.하지만 이 문서의 URL은 참조 URL로 남겨 두십시오.
CC BY-SA 2.5, CC BY-SA 3.0 및 CC BY-SA 4.0에 따라 라이센스가 부여됩니다.
좋은 웹페이지 즐겨찾기
