2026-03-12 20:23:15

tpt/demos/Commit.java

@@ -0,0 +1,34 @@
+// run with:
+// java -cp $ORACLE_HOME/jdbc/lib/ojdbc5.jar:. Client_id
+
+
+import java.sql.*;
+import oracle.jdbc.OracleConnection;
+
+public class Commit {
+
+    public static void main(String[] args) throws InterruptedException {
+
+        try {
+            // get connection and statement
+            DriverManager.registerDriver(new oracle.jdbc.OracleDriver());
+            Connection conn = DriverManager.getConnection( "jdbc:oracle:thin:@localhost:1521:LIN11G", "system","oracle");
+            Statement stmt = conn.createStatement();
+            
+            // set metrics for connection (will be sent to server the next rountrip)
+            String[] metrics = new String[OracleConnection.END_TO_END_STATE_INDEX_MAX];
+            metrics[OracleConnection.END_TO_END_MODULE_INDEX]="Committer";
+            ((OracleConnection)conn).setEndToEndMetrics(metrics,(short)0);
+
+            for(int i=1;i<1000000;i++) {            
+		    ResultSet rs = stmt.executeQuery("UPDATE t SET a=a+1");
+		    //autocommit takes care of this conn.commit();
+	    }
+
+            Thread.sleep(100);
+        }
+            catch (SQLException e) {
+          e.printStackTrace();
+        }         
+    }
+}