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知识来源:docs-opengauss.osinfra.cn/zh/
3. 若需要取消运行时间过长的查询,通过PG_TERMINATE_BACKEND函数,根据线程ID结束会话。
SELECT PG_TERMINATE_BACKEND(139834759993104);
显示类似如下信息,表示结束会话成功。
PG_TERMINATE_BACKEND
----------------------
t
(1 row)
显示类似如下信息,表示用户执行了结束当前会话的操作。
FATAL: terminating connection due to administrator command
FATAL: terminating connection due to administrator command
说明:
gsql客户端使用PG_TERMINATE_BACKEND函数结束当前会话后台线程时,客户端不会退出而是自动重连。即还会返回“The connection to the server was lost. Attempting reset: Succeeded.”FATAL: terminating connection due to administrator command FATAL: terminating connection due to administrator command The connection to the server was lost. Attempting reset: Succeeded.
#openGauss #入门 #安装 #数据库 #开源