Specifies a role identify to be used to make the dump. this feature causes pg_dump to concern a established position rolename
parameter is interpreted as being a sample based on the exact procedures utilized by psql's \d commands (see designs), so various overseas servers can be selected by producing wildcard figures during the sample.
Output a customized-format archive appropriate for enter into pg_restore. along with the Listing output format, this is considered the most adaptable output format in that it lets handbook choice and reordering of archived goods in the course of restore. This structure is usually compressed by default.
It will never dump the contents of sights เว็บตรงไม่ผ่านเอเย่นต์ or materialized views, and also the contents of international tables will only be dumped Should the corresponding foreign server is specified with --include things like-international-data.
Notice that if you use this selection now, you almost certainly also want the dump be in INSERT format, as being the COPY FROM during restore does not assistance row security.
Dump info as INSERT commands (as an alternative to duplicate). Controls the most amount of rows for every INSERT command. The value specified has to be a range better than zero. Any error in the course of restoring will lead to only rows that are Portion of the problematic INSERT to generally be lost, as opposed to your complete table contents.
never hold out endlessly to amass shared desk locks originally of the dump. as an alternative are unsuccessful if not able to lock a desk within just the desired timeout
Specifies the name from the database to become dumped. If this isn't specified, the environment variable PGDATABASE is used. If that is not established, the user identify specified to the link is applied.
. The sample is interpreted in accordance with the identical principles as for -t. -T can be given over as soon as to exclude tables matching any of several patterns.
Therefore every other use of the desk won't be granted possibly and may queue once the special lock request. This incorporates the employee system seeking to dump the table. with none safety measures This may be a vintage deadlock situation. To detect this conflict, the pg_dump employee approach requests Yet another shared lock using the NOWAIT choice. In case the employee system is just not granted this shared lock, somebody else have to have asked for an special lock in the meantime and there is no way to carry on While using the dump, so pg_dump has no choice but to abort the dump.
Requesting special locks on databases objects while functioning a parallel dump could trigger the dump to are unsuccessful. The rationale would be that the pg_dump leader method requests shared locks (obtain SHARE) within the objects that the employee procedures will dump later so as to ensure that nobody deletes them and can make them go away whilst the dump is running. If A further client then requests an exceptional lock on the desk, that lock will not be granted but might be queued looking forward to the shared lock on the leader approach to be launched.
pg_dump is a utility for backing up a PostgreSQL database. It will make constant backups even when the database is being used concurrently. pg_dump isn't going to block other buyers accessing the database (visitors or writers).
+ 1 connections for the database, so make certain your max_connections placing is higher more than enough to support all connections.
Specify the compression process and/or even the compression degree to utilize. The compression process may be established to gzip, lz4, zstd, or none for no compression. A compression depth string can optionally be specified.
without the need of it the dump could mirror a point out which isn't consistent with any serial execution on the transactions ultimately fully commited. one example is, if batch processing methods are utilised, a batch may demonstrate as shut within the dump without the need of most of the items that happen to be during the batch showing up.
When making use of wildcards, watch out to quote the sample if required to stop the shell from growing the wildcards.