Element collection persist - initial

src/main/java/io/ebeaninternal/api/SpiSqlUpdate.java

@@ -33,4 +33,9 @@ public interface SpiSqlUpdate extends SqlUpdate {
    * Reset bind position to be ready for another bind execute.
    */
   void reset();
+
+  /**
+   * Return a copy of the SqlUpdate with empty bind parameters.
+   */
+  SpiSqlUpdate copy();
 }

src/main/java/io/ebeaninternal/server/core/DefaultSqlUpdate.java

@@ -117,6 +117,11 @@ public final class DefaultSqlUpdate implements Serializable, SpiSqlUpdate {
     this(null, sql, new BindParams());
   }
 
+  @Override
+  public SpiSqlUpdate copy() {
+    return new DefaultSqlUpdate(server, origSql, new BindParams());
+  }
+
   @Override
   public void reset() {
     addPos = 0;