1. group_opt_flag 的作用和意义 group_opt_flag 参数用于控制是否启用分组优化。当启用分组优化时,数据库会尝试对 GROUP BY 查询进行优化,以提高查询性能。这个参数的设置取决于具体的查询场景和性能需求。 2. 访问达梦数据库的配置或管理系统 要设置达梦数据库的参数,通常需要通过数据库的管理工具或命令行工具连...
【CPU】:x86 【问题描述】*:查询语句执行报错,显示嵌套分组函数没有 GROUP BY,其中GROUP_OPT_FLAG已经设置为了53语句如下: select nvl(sum(nvl(a.bill_amount, 0) - (nvl(a.third_party_pay_amount, 0) + SUM(nvl(commer_insur_pay_amt,0)) + nvl(a.other_amount8, 0) + nvl(a.deduct_amount, ...
select/+ GROUP_OPT_FLAG(1)*/max(w.collect_time) collectTime,casewhen o.state = 1 then '关...
问装入:错误fs类型、坏选项、/dev/mapper/VolGroup-lv_home上的坏超级块ENmount: 文件系统类型错误、...
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Core: Support --debug flag for cli.php ldapauth: group member sync for ActiveDirectory broken projects: fixed error when you didn't have access to the contacts linked to projects Core: New feature to "Archive" users. Projects: Sometimes PDF report didn't render if page break occurred on ...
{ //检查partitionState.isInflight是否为false,并在获取leaderIsrUpdateLock的读锁内部调用needsShrinkIsr()来判断。 !partitionState.isInflight && inReadLock(leaderIsrUpdateLock) { needsShrinkIsr() } } if (needsIsrUpdate) { val alterIsrUpdateOpt = inWriteLock(leaderIsrUpdateLock) { leaderLogIfLocal...
ConsumeMessageThread_2 Receive New Messages: [MessageExt [queueId=1, storeSize=178, queueOffset=251, sysFlag=0, bornTimestamp=1584874812508, bornHost=/192.168.23.168:35028, storeTimestamp=1584874812511, storeHost=/192.168.23.168:10911, msgId=C0A817A800002A9F000000000002C22C, commitLogOffset=180780...
Hello, in a plugin, is there a way to find the groupid from anActionEvent. Something like this:(...
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