IXmlNamespace IXmlNamespaces IXmlSchema IXmlSchemas IXPath Label Labels LeaderLines Legend LegendEntries LegendEntry LegendKey Line LinearGradient LineFormat Lines LinkFormat ListBox ListBoxes ListColumn ListColumns ListDataFormat ListObject ListObjects ListRow ListRows Mailer Menu MenuBar MenuBars MenuIte...
使用Percona Toolkit的pt-duplicate-key-checker工具时,偶尔会遇到"Error checking xxx: Wide character in print at /usr/bin/pt-duplicate-key-checker line 5248."这类错误。如下例子所示$pt-duplicate-key-checker -hlocalhost -P7306 -uroot -pxxxxxx --socket /tmp/mysql.sock###kerry.employee###ix_emp...
You enable the user R in Skype for Business Server 2015 with Sip address: sip:user@contoso.com. On the Exchange Server, you create a mailbox for user R with the email address: smtp:user@contoso.com and create a...
# Key definitions: # KEY `ix_employee_n2` (`employee_name`) # KEY `ix_employee_n1` (`employee_name`), # Column types: Error checking kerry.employee: Wide character in print at /usr/bin/pt-duplicate-key-checker line 5248. ... ... 1. 2. 3. 4. 5. ...
1.根据单个字段去重...:Duplicate entry 'a' for key 'ix_a')这时再在代码里捕捉异常即可,说明已经存在a字段有重复值了。 上面是根据一个字段去重只有在a字段相同,如果想根据两个字段来去重比如:当a和 mysql插入更新语句 varchar(255)); 插入一条数据:insert into test_t values(0,'first'); 查询数据...
CREATE UNIQUE INDEX ix__keytoken on `<db name>`.``(key_token); 它似乎没问题(在源步骤中创建表时没有错误),但是在运行重复查询时我仍然会得到重复项。 key_token UNIQUE UNIQUE MySQL 中的级别 1
IXmlNamespace IXmlNamespaces IXmlSchema IXmlSchemas IXPath Label Labels LeaderLines Legend LegendEntries LegendEntry LegendKey Line LinearGradient LineFormat Lines LinkFormat ListBox ListBoxes ListColumn ListColumns ListDataFormat ListObject ListObjects ListRow ListRows Mailer Menu MenuBar MenuBars MenuIte...
IXmlNamespace IXmlNamespaces IXmlSchema IXmlSchemas IXPath Label Labels LeaderLines Legend LegendEntries LegendEntry LegendKey Line LinearGradient LineFormat Lines LinkFormat ListBox ListBoxes ListColumn ListColumns ListDataFormat ListObject ListObjects ListRow ListRows Mailer Menu MenuBar MenuBars MenuIte...
IXmlNamespace IXmlNamespaces IXmlSchema IXmlSchemas IXPath Label Labels LeaderLines Legend LegendEntries LegendEntry LegendKey Line LinearGradient LineFormat Lines LinkFormat ListBox ListBoxes ListColumn ListColumns ListDataFormat ListObject ListObjects ListRow ListRows Mailer Menu MenuBar MenuBars MenuIte...
事务2持有:IX锁(表锁),gap x锁(在num_index上num=41之前的gap),insert intention lock(在等待事务1的第二个gap锁)。 如果这时候第三步执行,那么事务1的insert intention也会等待事务2的gap锁,死锁形成。 原因分析 第二个事务在获取insert intention lock之前先获取了gap lock,导致第一个事务也不能获取insert...