About pg slot
About pg slot
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. The slot will not be moved backwards, and it will not be moved past the current insert site. Returns the identify from the slot and the actual posture that it had been Superior to.
Terminates the session whose backend system has the desired system ID. This is certainly also allowed In case the calling position is usually a member of the part whose backend is currently being terminated or perhaps the calling role has privileges of pg_signal_backend, nonetheless only superusers can terminate superuser backends.
All of these capabilities are meant to be utilized to lock software-described means, which can be recognized both by only one sixty four-bit vital price or two 32-bit crucial values (Notice that both of these vital Areas do not overlap). If another session presently retains a conflicting lock on the same resource identifier, the features will either wait right up until the source turns into obtainable, or return a Fake consequence, as appropriate for the function. Locks is usually both shared or exclusive: a shared lock will not conflict with other shared locks on precisely the same resource, only with exceptional locks.
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The produce site is the tip of what may be examined from outside the house the server, and is usually what you wish when you are interested in archiving partly-comprehensive publish-ahead log data files. The insertion and flush areas are made out there generally for server debugging needs. These are generally all study-only functions and do not demand superuser permissions.
Finishes doing an on-line backup. The specified contents from the backup label file and the tablespace map file are returned as Section of the results of the perform and needs to be written to information in the backup spot.
If streaming replication is disabled, the paused point out could carry on indefinitely here without having an issue. If streaming replication is in development then WAL data will keep on to become acquired, which is able to finally fill available disk Place, relying upon the duration on the pause, the speed of WAL technology and offered disk House.
Returns the name, dimension, and final modification time (mtime) of every everyday file in the short-term file Listing for the required tablespace
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Returns enough time stamp of the last transaction replayed for the duration of recovery. This can be the time at which the commit or abort WAL report for that transaction was produced on the main. If no transactions have been replayed through recovery, the operate returns NULL.
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Usage of capabilities for replication origin is simply allowed to the superuser by default, but may very well be permitted to other buyers by utilizing the GRANT command. Utilization of features for replication slots is restricted to superusers and customers getting REPLICATION privilege.
This operate is restricted to superusers and roles with privileges in the pg_monitor part by default, but other consumers could be granted EXECUTE to run the functionality.
Returns a relation's OID provided the tablespace OID and filenode it is stored less than. This is essentially the inverse mapping of pg_relation_filepath.