parameter is interpreted as a sample in accordance with the same regulations employed by psql's \d commands (see designs), so numerous tables will also be chosen by writing wildcard people from the sample.
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The alternative archive file formats have to be employed with pg_restore to rebuild the databases. they permit pg_restore to become selective about what on earth is restored, and even to reorder the things prior to getting restored. The archive file formats are created to be portable throughout architectures.
Specifies the host identify on the machine on which the server is jogging. If the value commences that has a slash, it is employed since the Listing for your Unix domain socket. The default is taken in the PGHOST atmosphere variable, if established, else a Unix domain socket relationship is attempted.
this selection is for use by in-place upgrade utilities. Its use for other applications is not recommended or supported. The habits of the choice may adjust in upcoming releases all of sudden.
Output SQL-standard established SESSION AUTHORIZATION commands as an alternative to ALTER proprietor commands to ascertain object ownership. This tends to make the dump a lot more standards-appropriate, but according to the heritage in the objects during the dump, may not restore adequately.
commonly, this feature is helpful for tests but should not be applied when dumping facts from manufacturing installation.
. The sample is interpreted according to the similar principles as for -t. --exclude-desk-data may be supplied more than after to exclude tables matching any of quite a few patterns. this feature is helpful if you need to have the definition of a selected desk Although you do not will need the information in it.
A directory format archive is often manipulated with common Unix tools; for example, documents within an uncompressed archive may be compressed Using the gzip, lz4, or zstd resources. This structure is compressed by default applying gzip as well as supports parallel dumps.
under no circumstances concern a password prompt. In case the server necessitates password authentication and also a password just isn't obtainable by other implies like a .pgpass file, the link attempt will fail. this feature can be helpful in batch Work and scripts where by no person is existing to enter a password.
on the other hand, the tar format doesn't aid compression. Also, when using tar structure the relative buy of desk data products can't be adjusted for the duration of restore.
pg_dump can be a utility for backing up a PostgreSQL databases. It will make constant backups even when the databases is being used concurrently. pg_dump isn't going to block other consumers accessing the database (visitors or writers).
It need to be provided with the directory output structure having said that, exactly where it specifies the goal directory in lieu of a file. In this case the directory is designed by pg_dump and have to not exist ahead of.
In case your databases cluster has any nearby additions into the template1 database, be cautious to restore the output of pg_dump into A very empty database; otherwise you happen to be likely to get mistakes as a result of replicate definitions on the extra objects.
Some installations Possess a coverage from logging in right as a superuser, and utilization of this feature will allow dumps to be produced devoid of violating the coverage.
this feature is rarely essential, because pg_dump will routinely prompt to get a password In case the server calls for password authentication.