43 lines
2.1 KiB
Java
43 lines
2.1 KiB
Java
// run with:
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// java -cp $ORACLE_HOME/jdbc/lib/ojdbc5.jar:. Client_id
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import java.sql.*;
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import oracle.jdbc.OracleConnection;
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public class Client_id {
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public static void main(String[] args) throws InterruptedException {
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try {
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// get connection and statement
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DriverManager.registerDriver(new oracle.jdbc.OracleDriver());
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Connection conn = DriverManager.getConnection( "jdbc:oracle:thin:@localhost:1521:LIN11G", "system","oracle");
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Statement stmt = conn.createStatement();
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// set metrics for connection (will be sent to server the next rountrip)
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String[] metrics = new String[OracleConnection.END_TO_END_STATE_INDEX_MAX];
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metrics[OracleConnection.END_TO_END_CLIENTID_INDEX]="Tanel Poder:123";
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((OracleConnection)conn).setEndToEndMetrics(metrics,(short)0);
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// run your SQL code. the client identifier attribute is bundled with this roundtrip and automatically sent to server with this request
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ResultSet rs = stmt.executeQuery("SELECT sid, username, client_identifier FROM v$session WHERE type='USER' AND status='ACTIVE'");
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// print output from v$session. here you should see this java program's session with client identifier set
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System.out.printf("\n%4s %20s %30s\n", new Object[] {"SID", "USERNAME", "CLIENT_IDENTIFIER"});
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System.out.println("--------------------------------------------------------");
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while (rs.next()) {
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System.out.printf("%4s %20s %30s\n", new Object[] {Integer.toString(rs.getInt("sid")), rs.getString("username"), rs.getString("client_identifier")} );
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}
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// Sleeping for 10 seconds. If you query the client_identifier from another session
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// you'll see that the last client_identifier still remains set (is not automatically cleared
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// upon statement completion)
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Thread.sleep(10000);
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}
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catch (SQLException e) {
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e.printStackTrace();
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}
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}
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}
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