Use pg_restore

PostgreSQL database from an archive created by pg _dump in one of the non-plain-text formats. It will issue the commands necessary to reconstruct the database to the state it was in at the time it was saved. The archive files also allow pg _ restore to be selective about what is restore or even to reorder the items prior to being restored. How to restore databases using pg _ restore.

Besides psqltool, you can use pg _ restore program to restore databases backed up by the pg _dump or pg _dumpalltools. With pg _ restore program, you have various options for restoration databases, for example: The pg _ restore allows you to perform parallel restores using the -j option to specify the number of threads for restoration. Table data, large objects, and sequence values are restore if present in the archive. This option is similar to, but for historical reasons not identical.

Use the pg _ restore program to restore from a tar archive backup file. A plain-text backup file can be edited in a text editor if desired before restoring its database objects with the psql program. Plain-text format is normally recommended for smaller databases. How can I use the pg _ restore to import the data to the database?

Pg _dump and pg _ restore are commonly used in data movement between PostgreSQL servers. Restore a postgres backup file using the command. I use this command for dump: pg_dump –host=myhost –port=myport –username=super –format=c –file=myfile. But For restore, I had to drop the database, recreate it and then apply the command: pg_restore –host=myhost –port=myport –username=super -d mydbname myfile. When you use pg _dump with custom format (-Fc), you must use pg _ restore to restore the dump.

If the dump is taken using a plain-text format, pg _dump generates a script file of multiple SQL commands. It can be restored using psql. A custom format dump, however, is compressed and is not human-readable. To see a list of all the available options use pg _dump -? With given options pg _dump will first prompt for a password for the database user db_user and then connect as that user to the database named db_name.

It has similar options to pg _dump. Besides the pg _dump program, PostgreSQL also provides you with the pg _dumpall tool that allows you to backup all databases at once. Could take the data dump using pg _dump and it takes around minutes. I tried to use pg _ restore to restore this dump, but it takes hours to restore the dump. In this article, let us review several practical examples on how to use pg _dump to backup and restore.

If you created an SQL-format dump, all you can use is psql. Custom and directory format dumps offer a lot of advantages over plain SQL script dumps, and I use them exclusively. I´ve noticed that some of the tables are not correctly updated resulting in old datas in the productiondb. To recover it, you just need to invoke psql (not pg _ restore ) with the file as input. Update: The pg _dump binary formats (-Fc-Ft) that are to be used with pg _ restore are ok, and offer some extra.

Even otherwise this method is more faster than the phppgadmin method. I understand that pg _ restore needs to connect to a database before it can start the restore process, is there anyway pg _ restore can use the postgres database to create another database? U mysuperusername -C -d bp bp. I have the following command.

You can use the pg_restore utility to restore a full custom format dump file, but it’s real value lies in the ease of importing a single function, table or trigger from the dump file. Fc which lets you then use the full power of pg_restore. Use pg_restore to restore a schema-only version of the dump.

We can script a set of commands, one for each table we want.