2026-03-12 20:23:15

tpt/demos/ArrayBindSelect.java

@@ -0,0 +1,50 @@
+// run with:
+// java -cp $ORACLE_HOME/jdbc/lib/ojdbc5.jar:. Client_id
+
+
+import java.sql.*;
+import oracle.jdbc.OracleConnection;
+import java.util.UUID;
+import java.util.Arrays;
+
+public class ArrayBindSelect {
+
+    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:@oel6:1521:LIN112", "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]="Array Bind Select";
+            ((OracleConnection)conn).setEndToEndMetrics(metrics,(short)0);
+            
+            String[] values = new String[1000];
+            Arrays.fill(values, UUID.randomUUID().toString());
+            //for (int i=0; i<1000; i++)
+            //    values[i] = UUID.randomUUID().toString();
+
+            ArrayDescriptor arrayDescriptor = ArrayDescriptor.createDescriptor("ARRAY_OF_PERSONS", conn);  
+            // then obtain an Array filled with the content below  
+            String[] content = { "v4" };  
+          
+            sqlArray = new oracle.sql.ARRAY(arrayDescriptor, (OracleConnection)conn, content); 
+
+
+            for(int i=1;i<1000000;i++) {
+                stmt.setArray(1,values);
+                ResultSet rs = stmt.executeQuery("SELECT COUNT(*) FROM dual WHERE dummy IN (?)");
+	          }
+
+            Thread.sleep(1000);
+        }
+            catch (SQLException e) {
+          e.printStackTrace();
+        }         
+    }
+}
+
+