def connect_to_oracle_db(spark_session, db_query): return spark_session.read \ .format("jdbc") \ .option("url", "jdbc:oracle:thin:@//<host>:<port>/<srvice_name") \ .option("user", "<user>") \ .option("password", "<pass>") \ .option("dbtable", db_query) \ .option("...
public static void main(String[] args) { String url = "jdbc:oracle:thin:@192.168.136.10:1521:orcl"; String username = "system"; String password = "admin"; ConnectToOracle coon = new ConnectToOracle(); String res = coon.connect(url, username, password); System.out.println(res); } } ...
("oracle.jdbc.BindByName", "true") \ .option("oracle.jdbc.J2EE13Compliant", "true") \ .option("oracle.jdbc.mapDateToTimestamp", "false") \ .option("oracle.jdbc.useFetchSizeWithLongColumn", "true") \ .option("oracle.jdbc.fanEnabled", "false") \ .option("oracle.net.CONNECT_TIME...
但是我的笔记本通过以上过程后,在运行过程中遇到问题: org.apache.spark.SparkException: Python worker failed to connect back. https://blog.csdn.net/weixin_43290383/article/details/120775584 解决方案: 增加环境变量: key: PYSPARK_PYTHON value: C:\ProgramData\Anaconda3\envs\spark310\python.exe 有些文档...
and managing large datasets residing in distributed storage using SQL. The structure can be projected onto data already in storage. A command-line tool and JDBC driver are provided to connect users to Hive. The Metastore provides two essential features of a data warehouse: data abstraction and da...
sasl.kerberos.principal.to.local.rules = [DEFAULT] sasl.kerberos.service.name = null sasl.kerberos.ticket.renew.jitter = 0.05 sasl.kerberos.ticket.renew.window.factor = 0.8 sasl.login.callback.handler.class = null sasl.login.class = null sasl.login.connect.timeout.ms = null sasl.login.read...
1、pyspark连接oracle,导数据到hive(后面的代码需要在此篇代码基础上进行,重复代码不再copy了) 1importsys2frompyspark.sqlimportHiveContext3frompysparkimportSparkConf, SparkContext, SQLContext45conf = SparkConf().setAppName('inc_dd_openings')6sc = SparkContext(conf=conf)7sqlContext =HiveContext(sc)89...
问:打开Oracle19c的.exe文件窗口一闪而过 答:首先检查一下文件夹路径中是不是一样有空格或特殊字符,我是把Oracle.exe文件所在的文件夹放在根目录下; 问:navicate12连接Oracle19c报ORA-12541:无监听程序。 答:修改listener.ora里面的localhost,改成127.0.0.1 问:navicate12连接Oracle19c报ORA-12514:...3.6...
我正在尝试通过使用whiteColumn()函数在pyspark中使用wath column()函数并在withColumn()函数中调用udf,以弄清楚如何为列表中的每个项目(在这种情况下列表CP_CODESET列表)动态创建列。以下是我写的代码,但它给了我一个错误。 frompyspark.sql.functionsimportudf, col, lit ...
公司把数据从oracle迁移到了hadoop,在hue上采取了impala + kudu的方式,虽然查询很快,但当使用spark作业时遇到了很多问题。 spark只能一段一段地执行sql,导致hue上写完的脚本没法直接迁移到spark上运行。 spark…