Everything about pg slot

Everything about pg slot

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just isn't specified or zero, this operate returns correct no matter if the process actually terminates or not, indicating only that the sending of your signal was productive. If the timeout

This purpose is restricted to superusers and roles with privileges of the pg_monitor position by default, but other people is usually granted EXECUTE to operate the perform.

This purpose is limited to superusers and users on the pg_monitor function by default, but other users can be granted EXECUTE to run the operate.

Privilege should be granted separately on Each and every these kinds of perform, whether it is for use. psql's df command may be valuable to examine what the actual purpose signatures are.

, when established to correct, specifies the slot shouldn't be permanently saved to disk and is only designed for use by The existing session. Short term slots are released upon any error. The optional fourth parameter, twophase

Demonstrates the compression algorithm which was used to compress an individual variable-duration worth. Returns NULL if the worth is not compressed.

This is frequently the desired conduct for running compose-ahead log archiving habits, Because the previous file is the last one that presently needs to be archived.

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is specified (in milliseconds) and better than zero, the perform waits till the method is in fact terminated or right until the offered time has handed. If the procedure is terminated, the functionality returns correct. On timeout, a warning is emitted and Untrue is returned.

Prepares the server to start an on-line backup. The only essential parameter is definitely an arbitrary consumer-described label for your backup. (Commonly this would be the name beneath which the backup dump file will be stored.

Cleans up the “pending” list of the desired GIN index by going entries in it, in bulk, to the principle GIN information structure. Returns the volume of webpages faraway from the pending record.

Creates a named marker record from the compose-forward log which can afterwards be applied for a Restoration target, and returns the corresponding publish-forward log area. The offered identify can then be used with recovery_target_name to specify The purpose around which Restoration will proceed.

Each and every of those capabilities returns correct In case the signal was properly despatched and Untrue if sending the sign failed.

Locks may be สล็อตพีจี taken at session amount (so that they're held until finally unveiled or perhaps the session ends) or at transaction level (so that they're held until finally The existing transaction finishes; there is absolutely no provision for guide release). Several session-amount lock requests stack, so that if a similar source identifier is locked thrice there ought to then be three unlock requests to release the useful resource in advance of session close.