pg_terminate_backend() 中断session，回滚未提交事物 下面以PG 13.3 为例进行演示：pg_cancel_backend...
pg_cancel_backend( pid ) 参数 pid 要取消的查询的进程 ID (PID)。您不能通过指定查询 ID 来取消查询;您必须指定查询的进程 ID。需要 INTEGER 值。 返回类型 无 使用说明 如果多个会话中的查询在同一个表上保持锁定状态,您可以使用 PG_TERMINATE_BACKEND 函数终止其中一个会话,这将强制所终止会话中所有...
pg_cancel_backend()和pg_terminate_backend() 两个函数的官方解释: pg_cancel_backend() 取消后台操作,回滚未提交事物 pg_terminate_backend() 中断session,回滚未提交事物 pg_cancel_backend()举例: session A: postgres=# create table t1 (a int); CREATE TABLE postgres=# begin; postgres=...
当PostgreSQL进程无法被cancel, terminate时,进程处于什么状态?为什么无法退出? 例子 1、无法被kill的进程 Type "help" for help. postgres=# select pg_cancel_backend(60827); pg_cancel_backend --- t (1 row) postgres=# select pg_terminate_backend(60827); pg_terminate_backend --- t (1 row)...
敲键盘正成为一种负担，你在想，键盘是否就像西西弗斯推着的那块巨石。 咖啡一杯接着一杯。不敢再喝...
问POSTGRES: pg_cancel_backend并不总是有效的(背后的原因)EN很多 SQL 查询确实以 SELECT 开始(本文仅...
If you cannot cancel a query because it is in transaction block (BEGIN … END), you can terminate the session in which the query is running by using the PG_TERMINATE_BACKEND function. Examples To cancel a currently running query, first retrieve the process ID for the query that you ...
Query the PG__LOCKS catalog table to view currently held locks. If you cannot cancel a query because it is in transaction block (BEGIN … END), you can terminate the session in which the query is running by using the PG_TERMINATE_BACKEND function. ...
Systemtabelle PG__LOCKS aus, um die zurzeit vorhandenen Sperren anzuzeigen. Wenn Sie eine Abfrage nicht abbrechen können, weil sie sich in einem Transaktionsblock befindet (BEGIN … END), können Sie mithilfe der Funktion PG_TERMINATE_BACKEND die Sitzung beenden, in der die Abfrage ausgef...
SELECT PG_CANCEL_BACKEND(802); Próximo tópico:PG_TERMINATE_BACKEND Tópico anterior:CURRENT_SETTING Precisa de ajuda? Experimente AWS re:Post Entre em contato com um especialista do AWS IQ Nesta página Sintaxe Argumentos Tipo de retorno Observações de uso Exemplos Esta página foi útil...