สล็อต pg - An Overview
สล็อต pg - An Overview
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Specifies a job identify for use to build the dump. this feature brings about pg_dump to situation a SET position rolename
parameter is interpreted as a sample in accordance with the very same principles used by psql's \d commands (see Patterns), so numerous international servers may also be chosen by producing wildcard characters during the sample.
Output a personalized-structure archive ideal for enter into pg_restore. along with the directory output structure, this is considered the most adaptable output format in that it lets guide choice and reordering of archived items all through restore. This format can be compressed by default.
It is not going to dump the contents of views or materialized views, and also the contents of overseas tables will only be dumped In the event the corresponding international server is specified with --involve-international-information.
Notice that if you use this selection at this time, you almost certainly also want the dump be in INSERT format, since the COPY FROM throughout restore will not guidance row protection.
commence the output using a command to develop the databases by itself and reconnect into the established database. (which has a script of this way, it isn't going to make any difference which databases while in the vacation spot installation you hook up with before functioning the script.
normally, this option is helpful for testing but really should not be used when dumping info from creation set up.
To carry out a parallel dump, the database server has to aid synchronized snapshots, a attribute that was released in PostgreSQL 9.two for Major servers and 10 for standbys. using this type of attribute, database purchasers can make certain they see precisely the same details set even though they use diverse connections.
this feature is suitable only when creating a information-only dump. It instructs pg_dump to incorporate instructions to briefly disable triggers to the focus on tables while the info is restored.
drive quoting of all identifiers. this feature is suggested when dumping a databases from the server whose PostgreSQL major Edition is different from pg_dump's, or in the event the output is meant for being loaded right into a server of another big Model.
Requesting distinctive locks on databases objects whilst operating a parallel dump could lead to the dump to fall short. The reason would be that the pg_dump leader course of action requests shared locks (obtain SHARE) around the objects that the employee procedures are going to dump later in order to be sure that no person deletes them and would make them go away when the dump is managing. If One more consumer then requests an exclusive lock on a table, that lock will not be granted but will probably be queued awaiting the shared lock from the chief system to become launched.
This is similar to the -t/--desk option, except that Furthermore, it consists of any partitions or inheritance baby tables of your table(s) matching the pattern
When making use of wildcards, be cautious to quotation the sample if necessary to forestall the shell from expanding the wildcards; see illustrations down below.
; this selects both the schema itself, and all its contained objects. When this feature isn't specified, all non-system schemas in the focus on database might be dumped. many schemas is often selected by crafting numerous -n switches. The sample
without the need of it the dump could mirror a point แทงบอล out which is not according to any serial execution with the transactions finally fully commited. for instance, if batch processing approaches are utilized, a batch might exhibit as shut during the dump without all of the objects which can be during the batch showing.
make use of a serializable transaction for that dump, to make sure that the snapshot made use of is according to afterwards databases states; but do this by awaiting some extent within the transaction stream at which no anomalies might be current, so that There is not a hazard in the dump failing or producing other transactions to roll back with a serialization_failure. See Chapter 13 for more information about transaction isolation and concurrency Handle.
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