> 本文整理自火山引擎云原生计算研发工程师王正和闵中元在本次 CommunityOverCode Asia 2023 数据湖专场中的《基于 Flink 构建实时数据湖的实践》主题演讲。 ***云原生大数据特惠专场:https://www.volcengine.... 出入湖的作业使用 Flink Application Mode 运行在 K8s 上。然后通过 Flink SQL Gateway 和 Session Mode 的 Flink Cluster 进行 OLAP 查询,提供了 JDBC 和 REST API 两种接口的返回结果。当然我们也需要使用 Catal...
`Database Inspector` 可以实时查看 Jetpack `Room` 框架生成的数据库文件,同时也支持实时编辑和部署到设备当中。相较之前需要的 `SQLite` 命令或者额外导出并借助 DB 工具的方式更为高效和直观。### 2.2 Layout... token: \"$token\"}"; Executors.newSingleThreadExecutor().execute(() -> { Result result; try { result = makeLoginRequest(jsonBody); } catch (IOException e...
MySQL-CDC 找不到驱动](https://github.com/apache/seatunnel/issues/4959),[bug修复详见](https://github.com/apache/seatunnel/pull/4945/files) ```Caused by: java.sql.SQLException: No suitable driver... (DriverDataSource.java:106) ... 20 more ... 11 more at org.apache.seatunnel.engine.client.job.ClientJobProxy.waitForJobComplete(ClientJobProxy.java:122) at org.apac...
(https://developer.volcengine.com/articles/7069732155609333774)# 标准的JDBC接口Java.sql包下定义了使用Java访问存储介质的所有接口,但是并没有具体的实现,也就是说JavaEE里面仅仅定义了使用Java访问存储介... 具体的接口定义在org.apache.hive.service.rpc.thrift包下的TCLIService.Iface中,部分接口如下:```public TOpenSessionResp OpenSession(TOpenSessionReq req) throws org.apache.thrift.TException;public T...
`Database Inspector` 可以实时查看 Jetpack `Room` 框架生成的数据库文件,同时也支持实时编辑和部署到设备当中。相较之前需要的 `SQLite` 命令或者额外导出并借助 DB 工具的方式更为高效和直观。### 2.2 Layout... token: \"$token\"}"; Executors.newSingleThreadExecutor().execute(() -> { Result result; try { result = makeLoginRequest(jsonBody); } catch (IOException e...
MySQL-CDC 找不到驱动](https://github.com/apache/seatunnel/issues/4959),[bug修复详见](https://github.com/apache/seatunnel/pull/4945/files) ```Caused by: java.sql.SQLException: No suitable driver... (DriverDataSource.java:106) ... 20 more ... 11 more at org.apache.seatunnel.engine.client.job.ClientJobProxy.waitForJobComplete(ClientJobProxy.java:122) at org.apac...
(https://developer.volcengine.com/articles/7069732155609333774)# 标准的JDBC接口Java.sql包下定义了使用Java访问存储介质的所有接口,但是并没有具体的实现,也就是说JavaEE里面仅仅定义了使用Java访问存储介... 具体的接口定义在org.apache.hive.service.rpc.thrift包下的TCLIService.Iface中,部分接口如下:```public TOpenSessionResp OpenSession(TOpenSessionReq req) throws org.apache.thrift.TException;public T...
在MySql中varchar是表示字符,varchar(50)表示可以存放50个字符,但是DM的默认跟Oracle是一样的,varchar(50)表示50个字节。这就意味着,50个字节,如果存中文,在utf-8的字符集下,只能存最多16个。所以,如果MySql库到DM... System.out.println("数据库产品名称:" + metaData.getDatabaseProductName());最后需关闭连接close,释放资源->rs-ps-con. ```tk.mybatis:mybatis定制的第一大业务增强库。pagehelper:分页控件,mybatis定制的...
UUID.randomUUID())); consumer.setConsumerPullTimeoutMillis(pollTimeout); consumer.start(); } catch (Exception e) { throw BitSailException.asBitSailException(RocketMQErrorCode.CONSUMER_CREATE_FAILED, e); }}````数据库````public void start() { this.connection = connectionHolder.connect(); // Construct statement. String baseSql = ClickhouseJdbcUtils.getQuerySql(dbName, t...
import org.apache.rocketmq.client.exception.MQClientException;import org.apache.rocketmq.client.producer.DefaultMQProducer;import org.apache.rocketmq.client.producer.SendCallback;import org.apache.rocketmq.client.producer.SendResult;import org.apache.rocketmq.common.message.Message;import org.apache.rocketmq.remoting.RPCHook;import org.apache.rocketmq.remoting.common.RemotingHelper;public class ...
python '''Usage:1. python3 -m pip install --user volcengine2. VOLC_ACCESSKEY=XXXXX VOLC_SECRETKEY=YYYYY python main.py'''import osfrom volcengine.maas import MaasService, MaasException, ChatRolede... */package com.volcengine.example.maas;import com.volcengine.helper.Const;import com.volcengine.model.maas.api.Api;import com.volcengine.service.maas.MaasException;import com.volcengine.service.maas....
python '''Usage:1. python3 -m pip install --user volcengine2. VOLC_ACCESSKEY=XXXXX VOLC_SECRETKEY=YYYYY python main.py'''import osfrom volcengine.maas import MaasService, MaasException, ChatRolede... */package com.volcengine.example.maas;import com.volcengine.helper.Const;import com.volcengine.model.maas.api.Api;import com.volcengine.service.maas.MaasException;import com.volcengine.service.maas....
GSM8K 分别取得了16%、36%、280%的提升,并登顶中文任务榜单C-Eval。 本文详细介绍了 ChatGLM2-Pro 的SDK及API使用方法。 API HostHost:maas-api.ml-platform-cn-beijing.volces.comRegion: cn-beijing API SDK提供... python '''Usage:1. python3 -m pip install --user volcengine2. VOLC_ACCESSKEY=XXXXX VOLC_SECRETKEY=YYYYY python main.py'''import osfrom volcengine.maas import MaasService, MaasException, ChatRolede...