parameter is interpreted like a pattern in accordance with the same regulations used by psql's \d commands (see Patterns), so numerous tables can also be picked by creating wildcard characters from the sample.

on the other hand, pg_dump will squander a relationship attempt obtaining out which the server would like a password. occasionally it can be worth typing -W to avoid the added link endeavor.

These statements will are unsuccessful if the script is operate Except it truly is started out by a superuser (or precisely the same person that owns each of the objects in the script). to help make a script that could be restored by any consumer, but will give that consumer ownership of the many objects, specify -O.

With zstd compression, extended manner may well improve the compression ratio, at the expense of amplified memory use.

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Output SQL-conventional established SESSION AUTHORIZATION commands rather than ALTER OWNER commands to find out item possession. This tends to make the dump additional criteria-compatible, but based on the heritage of the objects from the dump, might not restore adequately.

Generally, this selection is beneficial for screening but should not be utilized when dumping info from creation installation.

$ pg_restore -d newdb db.dump To reload an archive file to the exact same database it had been dumped from, discarding the current contents of that database:

. The pattern is interpreted in accordance with the exact guidelines as for -t. -T can be supplied in excess of as soon as to exclude tables matching any of various styles.

you could only use this feature With all the directory output structure mainly because This can be the only output format in which a number of processes can publish their info simultaneously.

Requesting special locks on databases objects when jogging a parallel dump could result in the dump to are unsuccessful. The key reason why is that the pg_dump leader approach requests shared locks (entry SHARE) on the objects which the employee processes are likely to dump later on to be able to make certain that no one deletes them and tends to make them go away though the dump is functioning. If A further shopper then requests an special lock with a desk, that lock won't be granted but will likely be queued watching for the shared lock in the leader method being produced.

That is similar to the -t/--table alternative, apart from that In addition, it contains any partitions or inheritance baby tables in the table(s) matching the pattern

Also, It's not certain that pg_dump's output may be loaded into a server of an older major version — not regardless of whether the dump was taken from the server of that version. Loading a dump file into an older server may well involve guide modifying from the dump file to remove syntax not recognized with the more mature server. Use from the --quotation-all-identifiers selection is suggested in cross-Edition situations, as it might avert difficulties arising from different reserved-word lists in various PostgreSQL variations.

Should your database cluster has any community additions towards the template1 databases, be mindful to restore the output of pg_dump into a truly empty database; usually you will be likely to get mistakes on account of duplicate definitions on the extra objects.

Use fall ... IF EXISTS instructions to fall objects in --thoroughly clean mode. This suppresses “would not exist” mistakes Which may or else be documented. this selection just isn't legitimate unless --clean can also be specified.

This option is suitable only when dumping the contents of the table that has row security. By default, pg_dump will established row_security to off, to make sure that all facts is dumped within the desk.