How to restore to empty database
От | Andrus |
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Тема | How to restore to empty database |
Дата | |
Msg-id | D3F14323F35F4DC4BA3E517ED11199E1@dell2 обсуждение исходный текст |
Ответы |
Re: How to restore to empty database
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Список | pgsql-general |
Hi! I want to restore to new empty database using pg_restore . pg_restore should create new empty database and restore into it. If database exists, pg_restore should clean all data from it or drop and create new empty database before restore. According to pg_restore doc, switches --clean --create --if-exists should do this. I tried PG_COLOR=auto PGHOST=localhost PGPASSWORD=mypass PGUSER=postgres export PGHOST PGPASSWORD PG_COLOR PGUSER pg_restore --clean --create --if-exists --dbname=mydb --jobs=4 --verbose "mydb.backup" but got error pg_restore: connecting to database for restore pg_restore: error: connection to database "mydb" failed: FATAL: database "mydb" does not exist I also tried without --dbname=mydb but then got error pg_restore: error: one of -d/--dbname and -f/--file must be specified How to restore to database which does not exist to drop existing database before restore if it exists ? Should I invoke drop database if exists and create database commands before calling pg_restore or can pg_restore do it itself ? Using Postgres 12 on Debian 10 Andrus.
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