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From "Mike Matrigali (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-546) In contrast to EmbeddedDriver, ClientDriver fails to report all DriverPropertyInfo's
Date Fri, 10 Jul 2009 21:37:14 GMT

     [ https://issues.apache.org/jira/browse/DERBY-546?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mike Matrigali updated DERBY-546:
---------------------------------

    Urgency: Normal

Triaged July 10, 2009: assigned normal urgency. 

> In contrast to EmbeddedDriver, ClientDriver fails to report all DriverPropertyInfo's
> ------------------------------------------------------------------------------------
>
>                 Key: DERBY-546
>                 URL: https://issues.apache.org/jira/browse/DERBY-546
>             Project: Derby
>          Issue Type: Bug
>          Components: Network Client
>    Affects Versions: 10.1.1.0
>         Environment: Windows XP professional, JRE 1.5.0_04
>            Reporter: Piet Blok
>
> The Client Driver, in contrast to Embedded Driver, fails to report all DriverPropertyInfo's.
It seems that it not only ignores the Properties object (see Jira DERBY_530), but it also
ignores connection attributes appended to the connection url.
>  
> See below a piece of code that demonstrates this behaviour:
>  
>  
>  
> import java.sql.Connection;
> import java.sql.Driver;
> import java.sql.DriverManager;
> import java.sql.DriverPropertyInfo;
> import java.sql.SQLException;
> import java.util.Enumeration;
> import java.util.Properties;
>  
> import org.apache.derby.jdbc.ClientDriver;
> import org.apache.derby.jdbc.EmbeddedDriver;
>  
> public class DerbyConnector {
>  
>     private static final String DERBY_CONNECTION_PREFIX = "jdbc:derby:";
>  
>     private static final String MY_DATABASE = "MyDatabase";
>  
>     private static final String MY_HOST = "//127.0.0.1:1527/";
>  
>     static {
>         new ClientDriver();
>         new EmbeddedDriver();
>     }
>  
>     public static void main(String[] args) {
>         DerbyConnector connector = new DerbyConnector();
>         try {
>             Properties connectionProperties = new Properties();
>             connectionProperties.setProperty("create", "true");
>             connectionProperties.setProperty("dataEncryption", "true");
>             connector.printInfo(MY_HOST + MY_DATABASE, connectionProperties);
>             connector.printInfo(MY_DATABASE, connectionProperties);
>         } catch (SQLException e) {
>             e.printStackTrace();
>         }
>     }
>  
>     public Connection connect(String url) throws SQLException {
>         return DriverManager.getConnection(DERBY_CONNECTION_PREFIX + url);
>     }
>  
>     public Connection connect(String url, Properties connectionProperties)
>             throws SQLException {
>         return connect(DERBY_CONNECTION_PREFIX + url
>                 + connectionPropertiesString(connectionProperties));
>     }
>  
>     public DriverPropertyInfo[] getPropertyInfos(String url, Properties props)
>             throws SQLException {
>         String connectionString = DERBY_CONNECTION_PREFIX + url
>                 + connectionPropertiesString(props);
>         System.out.println("ConnectionString = " + connectionString);
>         Driver driver = DriverManager.getDriver(connectionString);
>         return driver.getPropertyInfo(connectionString, props);
>     }
>  
>     private String connectionPropertiesString(Properties connectionProperties) {
>         StringBuffer sb = new StringBuffer();
>         for (Enumeration enumeration = connectionProperties.propertyNames(); enumeration
>                 .hasMoreElements();) {
>             String key = (String) enumeration.nextElement();
>             sb.append(';');
>             sb.append(key);
>             sb.append('=');
>             sb.append(connectionProperties.getProperty(key));
>         }
>         return sb.toString();
>  
>     }
>     
>     private void printInfo(String url, Properties connectionProperties)
>             throws SQLException {
>         System.out.println("========= " + url + " =========");
>         DriverPropertyInfo[] infos = getPropertyInfos(url, connectionProperties);
>         for (int i = 0; i < infos.length; i++) {
>             System.out.println("DriverPropertyInfo " + i);
>             System.out.println("  description: " + infos[i].description);
>             System.out.println("  " + infos[i].name + " = " + infos[i].value);
>             System.out.println("  required = " + infos[i].required);
>             if (infos[i].choices != null) {
>                 for (int j = 0; j < infos[i].choices.length; j++) {
>                     System.out.println("    choice " + j + ": "
>                             + infos[i].choices[j]);
>                 }
>             }
>         }
>     }
>  
> }

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