Specifies the TCP port or neighborhood Unix area socket file extension on which the server is listening for connections. Defaults towards the PGPORT atmosphere variable, if set, or maybe a compiled-in default.
parameter is interpreted as a sample based on the very same principles employed by psql's \d instructions (see designs), so numerous international servers can even be selected by crafting wildcard characters during the sample.
this feature will make no distinction if there isn't any go through-write transactions active when pg_dump is started out. If read-compose transactions are active, the beginning on the dump may be delayed for an indeterminate amount of time. at the time operating, effectiveness with or without the change is the same.
When applied with on the list of archive file formats and combined with pg_restore, pg_dump gives a flexible archival and transfer mechanism. pg_dump may be used to backup a complete database, then pg_restore can be utilized to look at the archive and/or pick which aspects of the databases are for being restored.
this selection disables the usage of greenback quoting for operate bodies, and forces them being quoted utilizing SQL common string syntax.
Specifies verbose mode. this tends to induce pg_dump to output thorough object remarks and begin/quit occasions to your dump file, and development messages to straightforward mistake. Repeating the choice causes supplemental debug-level messages to seem on typical error.
This option is helpful when needing to synchronize the dump that has a rational replication slot (see Chapter forty nine) or by using a concurrent session.
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A directory structure archive could be manipulated with common Unix tools; for example, information in an uncompressed archive can be compressed Using the gzip, lz4, or zstd applications. This format is compressed by default applying gzip and likewise supports parallel dumps.
Consequently almost every other usage of the table will not be granted either and will queue after the exclusive lock request. This includes the employee approach endeavoring to dump the desk. with no safeguards This is able to become a common deadlock circumstance. To detect this conflict, the pg_dump worker method requests another shared lock utilizing the NOWAIT solution. If the employee system is just not granted this shared lock, any person else should have requested an exclusive lock in the meantime and there's no way to carry on With all the dump, so pg_dump has no alternative but to abort the dump.
This can be valuable when restoring data over a server wherever rows don't normally fall into the exact partitions since they did on the initial server. That could happen, as an example, In case the partitioning column is of style text and the two devices have different definitions with the collation accustomed to kind the partitioning column.
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When working with wildcards, watch out to estimate the pattern if essential to avoid the shell from increasing the wildcards; see illustrations beneath.
In case your databases cluster has any community additions on the template1 database, be mindful to restore the output of pg_dump into a truly empty database; or else you're more likely to get problems on account of duplicate definitions in the added objects.
Use fall ... IF EXISTS commands to fall objects in --clear สล็อตเว็บตรง manner. This suppresses “doesn't exist” errors that might normally be reported. this selection isn't valid Except if --clean is usually specified.
When employing wildcards, be cautious to quote the pattern if essential to avoid the shell from growing the wildcards; see Examples down below.