connector

I'm using a tutorial here in this Github to run spark on cassandra using a java maven project: https://github.com/datastax/spark-cassandra-connector . I've figured how to use direct CQL statements, as I have previously asked a question about that here: Querying Data in Cassandra via Spark in a Java Maven Project However, now I'm trying to use the datastax java API in fear that my original code in my original question will not work for Datastax version of Spark and Cassandra. For some weird reason, it won't let me use .where even though it is outlined in the documentation that I can use that

I have a large data set in GBs that I'd have to process before I analyse them. I tried creating a connector, which allows me to loop through the large datasets and extract chunks at a time.This allows me to quarantine data that satisfies some conditions. My problem is that I am not able to create an indicator for the connector that stipulates it is null and to execute close(connector) when the end of the dataset is reached. Moreover, for the first chunk of extracted data, I'd have to skip 17 lines since the file contains header that R is not able to read. A manual attempt that works: filename=

I was using Visual Studio 2013 Preview but I couldn't find MySQL database in the "choose data source" dialog window, I even installed the latest version of MySQL connector as well as the windows MySQL installer (to get MySQL plugin for visual studio) but nothing changed, I had to get back to VS 2012 Ultimate, I just wanted to know if there is a special MySQL connector for the 2013 Preview Edition? I am using Visual Studio 2013 Ultimate and I got it working with the Mysql Visual Studio 1.1.1 beta plugin. Requirements: Windows OS 7 or later. Visual Studio 2010, 2012 or 2013 professional or

I try to connect MySql database with Java using connector 8.0.11. Everything seems to be ok but I have this exception: Exception in thread "main" java.sql.SQLNonTransientConnectionException: Public Key Retrieval is not allowed Stack Trace: Exception in thread "main" java.sql.SQLNonTransientConnectionException: Public Key Retrieval is not allowed at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:108) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:95) at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping

CAN any one please tel me, how to create a connector for pervasive in java. I am very new to this,from where i need t start i am not sure, can any1 please tell me how can i create a connector for pervasive.i created a sample connector , but i am not sure whether it is right or wrong Here's a simple program I have that works for me to connect to a PSQL database: /* * SQLStatement.java * Simple JDBC Sample using Pervasive JDBC driver. */ import java.*; import java.sql.*; import pervasive.jdbc.*; import java.io.*; public class SQLStatement { public static void main(String args[]) { String url =

I'm trying all I can to get a JDBC to work, the only thing that is stumping me right now is this exception, which I have no idea about: com.mysql.jdbc.exceptions.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '????????????????' at line 1 com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1049) com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3593) com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3525) com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1986) com.mysql