@文心快码postgres pg_terminate_backend 文心快码 pg_terminate_backend 是PostgreSQL 数据库中的一个系统函数,用于终止指定的后端进程。下面是对该函数的详细解释和使用说明: 1. pg_terminate_backend 函数的用途 pg_terminate_backend 函数的主要用途是终止不需要的会话或查询,或者在维护期间关闭数据库连接。当指定的...
postgres=> create table t1 (a int);CREATE TABLE postgres=> begin;BEGIN postgres=*> insert into...
psql -U postgresSecond, retrieve a list of process ID (or pid) using the following query:SELECT pid, usename, state, query FROM pg_stat_activity;Third, suppose you want to kill the process id 2600, you can execute the pg_terminate_backend() function:SELECT pg_terminate_backend(2600);...
问Postgres pg_terminate_backend替代方案ENreact函数组件为了保持引用不变，很多时候需要借助useCallback，...
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)...
postgres | 1923 | commit; tina | 1922 | select datname,pid, query from pg_stat_activity; pg_terminate_backend() 举例: session A: postgres=# create table t2 (a int); CREATE TABLE postgres=# begin; BEGIN postgres=# insert into t2 select generate_series(1,100000000); sessio...
玩PG有一定时间的小伙伴,估计多多少少都有碰到过这个问题,想杀掉运行中的SQL,PG官方提供了下面这俩函数 postgres=# \df pg_terminate_backendListof functionsSchema|Name|Resultdata type|Argumentdata types|Type---+---+---+---+---pg_catalog|pg_terminate_backend|boolean|integer|func(1row)postgres=#...