if(query_result->start_execution(thd))returntrue; if(query_result->send_result_set_metadata( thd,*fields,Protocol::SEND_NUM_ROWS|Protocol::SEND_EOF)) { returntrue; } set_executed(); // Hand over the query to the
First Query,Using Prepared Statements,Using Connection Poolsand more. Documentation Examples FAQ Acknowledgements Internal protocol is written by@sidoraresMySQL-Native. Constants, SQL parameters interpolation, Pooling,ConnectionConfigclass taken fromNode MySQL. ...
列如:sex ENUM('男','女','保密')DEFAULT'保密' 如果sex不插入值的话其值默认为保密. 创建一张父表:provinces 创建一张子表:users 查看索引: 添加一个id字段: 添加主键: 删除主键 查看外键约束 删除外键约束 添加一个字段: 添加默认约束15 删除默认约束...
Execute the selected portion of the script or everything, if there is no selection: Provides a simple way to execute the entire query or a subset of the query. Execute the statement under the keyboard cursor: Uses the position the keyboard cursor to identify and execute the query. ...
Return Values Zero for success. Nonzero if an error occurred. Example See the Example inSection 6.4.10, “mysql_stmt_execute()”.
要求:同步test数据库中users表数据到HDFS的//user/hive/warehouse/test.db/users目录 要实现该功能,需选用MySQLReader和HDFSWriter MySQLReader具有两种模式分别是TableMode和QuerySQLMode,TableMode使用table,column,where等属性声明需要同步的数据; QuerySQLMode使用一条SQL查询语句声明需要同步的数据。
(node:internal/modules/cjs/loader:878:12) at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:81:12) at node:internal/main/run_main_module:23:47 { code: 'ECONNREFUSED', errno: -111, sqlState: undefined } /var/www/example.com/mysql_test2.js:7 let [rows ...
步骤4:在上一步选择好要安装的产品之后,单击“Next”(下一步)进入确认窗口,如图所示。单击“Execute”(执行)按钮开始安装。步骤5:安装完成后在“Status”(状态)列表下将显示“Complete”(安装完成),如图所示。2.2.4 配置MySQL8.0 MySQL安装之后,需要对服务器进行配置。具体的配置步骤如下。 步骤1:在上一个小节...
Bug #29231 Try to execute 3000 insert queries, but executed only 960. Submitted: 20 Jun 2007 6:02Modified: 5 Oct 2007 11:01 Reporter: Andrey Wolk Email Updates: Status: Can't repeat Impact on me: None Category: MySQL Server: GeneralSeverity: S1 (Critical)...
' for help; '\quit' to exit. Currently in JavaScript mode. Use \sql to switch to SQL mode and execute queries. mysql-js> \c root@127.0.0.1:3306 Creating a Session to 'root@127.0.0.1:3306' Enter password: ERROR: 2059 (HY000): Authentication plugin 'caching_sh...