用JDBC连接Vertica数据库的例子源代码
import java.sql.*; import java.util.Properties; public class VerySimpleVerticaJDBCExample { public static void main(String[] args) { /* JDBC 3.0 以前的版本需要添加下边这段代码 */ /* * try { Class.forName("com.vertica.jdbc.Driver"); } catch * (ClassNotFoundException e) { // Could not find the driver class. * Likely an issue // with finding the .jar file. * System.err.println("Could not find the JDBC driver class."); * e.printStackTrace(); return; // Bail out. We cannot do anything * further. } */ Properties myProp = new Properties(); myProp.put("user", "dbadmin"); myProp.put("password", "vertica"); myProp.put("loginTimeout", "35"); myProp.put("binaryBatchInsert", "true"); Connection conn; try { conn = DriverManager.getConnection( "jdbc:vertica://docd04.verticacorp.com:5433/dbname", myProp); System.out.println("Connected!"); conn.close(); } catch (SQLTransientConnectionException connException) { // There was a potentially temporary network error // Could automatically retry a number of times here, but // instead just report error and exit. System.out.print("Network connection issue: "); System.out.print(connException.getMessage()); System.out.println(" Try again later!"); return; } catch (SQLInvalidAuthorizationSpecException authException) { // Either the username or password was wrong System.out.print("Could not log into database: "); System.out.print(authException.getMessage()); System.out.println(" Check the login credentials and try again."); return; } catch (SQLException e) { // Catch-all for other exceptions e.printStackTrace(); } } }
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