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Month: June 2023

南大通用GBase 8a的DateDiff和TimestampDiff的参数顺序不同

Posted on 2023年6月8日2023年6月8日 by laozizhu

两个函数都是用来取2个日期之间的差距,其中timestampdiff可以取各个位置,比如年,月,日等,而datediff只能取日。最大的区别,datadiff是日期1-日期2, 而timestampdiff是日期2-日期1。先后顺序是反的。

南大通用GBase 8a 集群服务处于CLOSE状态常见原因汇总

Posted on 2023年6月5日2023年7月17日 by laozizhu

南大通用GBase 8a MPP 集群,可以通过gcadmin命令查看每个节点的服务状态。正常情况下,应为OPEN。本文重点介绍gclusterd和gbased两个服务常见的几种会到导致服务为CLOSE的原因。

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