obclient>INSERTINTOt_insert(id,name,value,gmt_create)values(1,'CN',10001,current_timestamp);Query OK,1rowaffected 未知道所有列信息 下面SQL 插入两笔记录,使用一个INSERT多个VALUES子句。 说明 其中gmt_create 字段没有提供,但是该字段有默认值,所以插入数据可以执行
Hologres V3.0版本前,需要手动清理临时表;Hologres V3.0版本起,可以通过如下SQL清理临时表。 --- 删除before_time之前系统创建的临时表 CALL hg_clean_insert_overwrite_tmp_tables(before_time::timestamptz); 使用限制 如果选择部分字段导入,字段顺序需要与源表保持一致且一一对应。 由于hg_insert_overwrite需要以...
new Document("_tm", new BSONTimestamp((int)(System.currentTimeMillis() / 1000), aa++)) 1. 其有两个参数,官方的说明: time - the time in seconds since epoch increment - an incrementing ordinal for operations within a given second 1. 2. time:就是从公记年开始(1970),的秒数。 increment...
执行语句找到thread_id 与PROCESSLIST_ID的对应关系selectPROCESSLIST_ID,THREAD_ID,PROCESSLIST_INFOfromperformance_schema.threadswherePROCESSLIST_IDin(8,10);-- 找到上一步找到的线程ID找到运行过的SQL语句selectTHREAD_ID,perf_db.f_convert_timer_to_utc(TIMER_START)run_start_time,perf_db.f_convert_timer_t...
goSql(dropSql3); BatchInsert.goSql(dropSql4); Long end = System.currentTimeMillis(); System.out.println(); System.out.println("导入用户信息表"+userList.size()+"条数据,总用时===:"+ (end-start)/1000+"秒。"); System.out.println(); if(failsize > 0){ OprResult.SetOprResult(reque...
SQL 복사 -- Specify the remote data source in the FROM clause using a four-part name -- in the form linked_server.catalog.schema.object. INSERT INTO MyLinkServer.AdventureWorks2022.HumanResources.Department (Name, GroupName) VALUES (N'Public Relations', N'Executive General and Administra...
SQL 复制 -- Specify the remote data source in the FROM clause using a four-part name -- in the form linked_server.catalog.schema.object. INSERT INTO MyLinkServer.AdventureWorks2022.HumanResources.Department (Name, GroupName) VALUES (N'Public Relations', N'Executive General and Administration...
SQL 复制 -- Specify the remote data source in the FROM clause using a four-part name -- in the form linked_server.catalog.schema.object. INSERT INTO MyLinkServer.AdventureWorks2022.HumanResources.Department (Name, GroupName) VALUES (N'Public Relations', N'Executive General and Administration...
SQL 複製 -- Specify the remote data source in the FROM clause using a four-part name -- in the form linked_server.catalog.schema.object. INSERT INTO MyLinkServer.AdventureWorks2022.HumanResources.Department (Name, GroupName) VALUES (N'Public Relations', N'Executive General and Administration...
* 比如你的是 mysql 可你的环境只配置了 pgsql 那么解析这个就没必要 因为就压根运行不到他 是不是*/if(!databaseIdMatchesCurrent(id, databaseId,this.requiredDatabaseId)) {return; } //nodeName 就是 select 、update 、insert 、 deleteString nodeName =context.getNode().getNodeName();//包装成...