PostgreSQL 17beta1 US Documentationsuperusers can cancel superuser backends. pg_log_backend_memory_contexts ( pid integer ) → boolean Requests to log the memory contexts of the backend with the specified process ID. This func- tion can send manual release). Multiple session-level lock requests stack, so that if the same resource identifier is locked three times there must then be three unlock requests to release the resource in advance of session lock is held until explicitly released or the session ends. Unlike standard lock requests, session-level advisory lock requests do not honor transaction semantics: a lock acquired during a transaction that0 码力 | 3188 页 | 14.32 MB | 1 年前3
PostgreSQL 17beta1 A4 Documentationsuperusers can cancel superuser backends. pg_log_backend_memory_contexts ( pid integer ) → boolean Requests to log the memory contexts of the backend with the specified process ID. This function can send manual release). Multiple session-level lock requests stack, so that if the same resource identifier is locked three times there must then be three unlock requests to release the resource in advance of session lock is held until explicitly released or the session ends. Unlike standard lock requests, session-level advisory lock requests do not honor transaction semantics: a lock acquired during a transaction that0 码力 | 3017 页 | 14.45 MB | 1 年前3
PostgreSQL 9.3 Documentation.........................................................................1937 48.2.7. Canceling Requests in Progress....................................................................1938 48.2.8. Termination this function will wait until the resource becomes available. The lock is exclusive. Multiple lock requests stack, so that if the same resource is locked three times it must then be unlocked three times to lock is held until explicitly released or the session ends. Unlike standard lock requests, session-level advisory lock requests do not honor transaction semantics: a lock acquired during a transaction that0 码力 | 3183 页 | 7.53 MB | 1 年前3
PostgreSQL 14.10 Documentationsuperusers can cancel superuser backends. pg_log_backend_memory_contexts ( pid integer ) → boolean Requests to log the memory contexts of the backend with the specified process ID. These memory contexts will manual release). Multiple session-level lock requests stack, so that if the same resource identifier is locked three times there must then be three unlock requests to release the resource in advance of session lock is held until explicitly released or the session ends. Unlike standard lock requests, session-level advisory lock requests do not honor transaction semantics: a lock acquired during a transaction that0 码力 | 3032 页 | 13.27 MB | 1 年前3
PostgreSQL 9.3.25 DocumentationOperations......................................................................1823 48.2.7. Canceling Requests in Progress.............................................................1824 48.2.8. Termination this function will wait until the resource becomes available. The lock is exclusive. Multiple lock requests stack, so that if the same resource is locked three times it must then be unlocked three times to lock is held until explicitly released or the session ends. Unlike standard lock requests, session-level advisory lock requests do not honor transaction semantics: a lock acquired during a transaction that0 码力 | 3002 页 | 7.47 MB | 1 年前3
PostgreSQL 14.10 Documentationsuperusers can cancel superuser backends. pg_log_backend_memory_contexts ( pid integer ) → boolean Requests to log the memory contexts of the backend with the specified process ID. These memory contexts will manual release). Multiple session-level lock requests stack, so that if the same resource identifier is locked three times there must then be three unlock requests to release the resource in advance of session lock is held until explicitly released or the session ends. Unlike standard lock requests, session-level advisory lock requests do not honor transaction semantics: a lock acquired during a transaction that0 码力 | 2871 页 | 13.38 MB | 1 年前3
PostgreSQL 9.5 Documentation.........................................................................2116 50.2.7. Canceling Requests in Progress....................................................................2117 50.2.8. Termination this function will wait until the resource becomes available. The lock is exclusive. Multiple lock requests stack, so that if the same resource is locked three times it must then be unlocked three times to lock is held until explicitly released or the session ends. Unlike standard lock requests, session-level advisory lock requests do not honor transaction semantics: a lock acquired during a transaction that0 码力 | 2714 页 | 6.33 MB | 1 年前3
PostgreSQL 10.23 Documentationthis function will wait until the resource becomes available. The lock is exclusive. Multiple lock requests stack, so that if the same resource is locked three times it must then be unlocked three times to lock is held until explicitly released or the session ends. Unlike standard lock requests, session-level advisory lock requests do not honor transaction semantics: a lock acquired during a transaction that request before the lock is actually released. Transaction-level lock requests, on the other hand, behave more like regular lock requests: they are automatically released at the end of the transaction, and0 码力 | 2727 页 | 11.93 MB | 1 年前3
PostgreSQL 10.23 Documentationthis function will wait until the resource becomes available. The lock is exclusive. Multiple lock requests stack, so that if the same resource is locked three times it must then be unlocked three times to lock is held until explicitly released or the session ends. Unlike standard lock requests, session-level advisory lock requests do not honor transaction semantics: a lock acquired during a transaction that request before the lock is actually released. Transaction-level lock requests, on the other hand, behave more like regular lock requests: they are automatically released at the end of the transaction, and0 码力 | 2590 页 | 12.03 MB | 1 年前3
PostgreSQL 13.13 Documentationmanual release). Multiple session-level lock requests stack, so that if the same resource identifier is locked three times there must then be three unlock requests to release the resource in advance of session lock is held until explicitly released or the session ends. Unlike standard lock requests, session-level advisory lock requests do not honor transaction semantics: a lock acquired during a transaction that request before the lock is actually released. Transaction-level lock requests, on the other hand, behave more like regular lock requests: they are automatically released at the end of the transaction, and0 码力 | 2782 页 | 13.00 MB | 1 年前3
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