SQLite columns properties cleanup

plugins/org.jkiss.dbeaver.core/src/org/jkiss/dbeaver/ui/controls/itemlist/ObjectListControl.java

@@ -358,6 +358,15 @@ public abstract class ObjectListControl<OBJECT_TYPE> extends ProgressPageControl
                     for (OBJECT_TYPE item : items) {
                         Object object = getObjectValue(item);
                         if (object != null && !classList.contains(object.getClass())) {
+                            // Remove all base classes if we have sub class
+                            for (int i = 0; i < classList.size(); i++) {
+                                Class<?> c = classList.get(i);
+                                if (c.isAssignableFrom(object.getClass())) {
+                                    classList.remove(i);
+                                } else {
+                                    i++;
+                                }
+                            }
                             classList.add(object.getClass());
                         }
                         if (renderer.isTree()) {

plugins/org.jkiss.dbeaver.ext.sqlite/src/org/jkiss/dbeaver/ext/sqlite/model/SQLiteTableColumn.java

@@ -25,6 +25,18 @@ public class SQLiteTableColumn extends GenericTableColumn {
         super(table, columnName, typeName, valueType, sourceType, ordinalPosition, columnSize, charLength, scale, precision, radix, notNull, remarks, defaultValue, autoIncrement, autoGenerated);
     }
 
+    // Not a property
+    @Override
+    public boolean isAutoGenerated() {
+        return super.isAutoGenerated();
+    }
+
+    // Not a property
+    @Override
+    public long getMaxLength() {
+        return super.getMaxLength();
+    }
+
     // Not a property
     @Override
     public Integer getScale() {