Output a Listing-format archive suited to input into pg_restore. This will develop a Listing with 1 file for each table and enormous item being dumped, as well as a so-named Table of Contents file describing the dumped objects in a equipment-readable structure that pg_restore can read.
parameter is interpreted as being a sample based on the same regulations utilized by psql's \d commands (see Patterns), so numerous foreign servers can also be chosen by producing wildcard people inside the pattern.
The alternative archive file formats need to be employed with pg_restore to rebuild the database. They allow pg_restore for being selective about what's restored, or even to reorder the objects ahead of currently being restored. The archive file formats are designed to be transportable throughout architectures.
With zstd compression, extended method could Increase the compression ratio, at the price of increased memory use.
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Output SQL-conventional SET SESSION AUTHORIZATION commands instead of change operator commands to ascertain item ownership. This makes the dump additional specifications-compatible, but depending upon the historical past on the objects inside the dump, may not restore properly.
If no compression stage is specified, the default compression level will be used. If just a degree is specified without mentioning an algorithm, gzip compression might be applied if the extent is bigger than 0, and no compression will be employed if the level is 0.
To carry out a parallel dump, the databases server must aid synchronized snapshots, a element that was released in PostgreSQL nine.2 for primary servers and 10 for standbys. With this element, databases shoppers can assure they see precisely the same knowledge set Although they use distinct connections.
A Listing format archive is usually manipulated with standard Unix equipment; for example, information in an uncompressed archive might be compressed Along with the gzip, lz4, or zstd applications. This structure is compressed by default using gzip as well as supports parallel dumps.
you could only use this feature Using the directory output format since This can be the only output format wherever a number of processes can publish their knowledge at the same time.
, ...) VALUES ...). This will make restoration pretty gradual; it is mainly handy for producing dumps that could be loaded into non-PostgreSQL databases. Any error in the course of restoring will induce only rows which can be Element of the problematic INSERT to be dropped, in lieu of the entire table contents.
This is often the same as the -t/--table alternative, apart from that it also incorporates any partitions or inheritance little one tables of the desk(s) matching the sample
+ 1 connections into the database, so be certain your max_connections location is higher plenty of to support all connections.
If your database cluster has any neighborhood additions on the template1 databases, be cautious to revive the output of pg_dump into a truly empty database; normally you happen to be very แทงบอลออนไลน์ likely to get mistakes because of replicate definitions on the additional objects.
with out it the dump might replicate a point out which is not according to any serial execution of your transactions ultimately fully commited. For example, if batch processing techniques are used, a batch may well display as shut during the dump without having each of the products which can be while in the batch showing up.
This option is never vital, because pg_dump will mechanically prompt for the password When the server calls for password authentication.