Output a directory-format archive suitable for enter into pg_restore. This will make a directory with just one file for each desk and huge object currently being dumped, moreover a so-termed desk of Contents file describing the dumped objects inside a equipment-readable structure that pg_restore can read through.
When the involved hosts have altered, the link facts may need for being transformed. It may also be proper to truncate the focus on tables ahead of initiating a new total desk copy. If people plan to duplicate Original facts through refresh they must build the slot with two_phase = Bogus. once the First sync, the two_phase possibility will probably be automatically enabled by the subscriber Should the membership had been originally made with two_phase = correct alternative.
parameter is interpreted as being a pattern based on the very same principles used by psql's \d commands (see Patterns), so various schemas will also be chosen by writing wildcard figures while in the pattern.
essentially the most flexible output file formats are classified as the “custom” format (-Fc) plus the “Listing” structure (-Fd). they permit for choice and reordering of all archived goods, help parallel restoration, and are compressed by default. The “Listing” structure is the only format that supports parallel dumps.
tend not to dump the contents of unlogged tables and sequences. This option has no impact on if the desk and sequence definitions (schema) are dumped; it only suppresses dumping the desk and sequence info. information in unlogged tables and sequences is usually excluded when dumping from the standby server.
Dump details as INSERT instructions (instead of duplicate). Controls the most quantity of rows for every INSERT command. The value specified need to be a range bigger than zero. Any error through restoring will induce only rows which are Section of the problematic INSERT to generally be dropped, rather than your complete desk contents.
When employing wildcards, watch out to estimate the pattern if essential to circumvent the shell from growing the wildcards; see Examples under. The only exception is the fact an empty pattern is disallowed.
$ pg_restore -d newdb db.dump To reload an archive file to the exact same database it had been dumped from, discarding The present contents of that databases:
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you are able to only use this selection While using the directory output structure because This can be the only output structure exactly where several processes can produce their data concurrently.
deliver output to the required file. This parameter is usually omitted for file primarily based output formats, through which circumstance the regular output is employed.
pg_dump is a utility for backing up a PostgreSQL database. It tends to make reliable backups although the databases is getting used concurrently. pg_dump doesn't block other end users accessing the database (viewers or writers).
When utilizing wildcards, be cautious to quote the sample if required to prevent the shell from increasing the wildcards; see illustrations below.
In case your database cluster has any community additions to the template1 databases, watch out to restore the output of pg_dump into A really empty databases; or else that you are more likely to get glitches because of replicate definitions in the added objects.
for your personalized and directory archive formats, this specifies compression of specific table-knowledge segments, along with the default will be to compress working with gzip in a moderate degree. For simple text output, setting a nonzero compression degree leads to the whole output file to become compressed, as though it had been fed by means of gzip, lz4, or zstd; เว็บตรง สล็อตฝากถอน ไม่มี ขั้นต่ํา 1 บาทก็ ถอนได้ although the default is not to compress.
pg_dump -j works by using many database connections; it connects towards the databases at the time Together with the leader method and Again for every worker position. Without the synchronized snapshot element, different employee Employment wouldn't be sure to see a similar knowledge in each connection, which may lead to an inconsistent backup.