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https://issues.apache.org/jira/browse/DERBY-546?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kathey Marsden updated DERBY-546:
---------------------------------
Derby Categories: [Embedded/Client difference]
> 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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