+ "name != '" + Stem.ROOT + "'";
+ "name != '" + Stem.ROOT_INT + "'";
  private void _emptyTableGrouperStems() {    String  table = "grouper_stems";    String  sqlNoModifier = "update " + table + " set "      + "modifier_id = null, modify_source = null, modify_time = 0.0";    String  sqlNoParent   = "update " + table + " set "      + " parent_stem = null";    String sqlSaveRoot    = "delete from " + table + " where "      + "name != '" + Stem.ROOT + "'";    this._emptyTable(table, sqlNoModifier);    this._emptyTable(table, sqlNoParent);    this._emptyTable(table, sqlSaveRoot);  } // private void _emptyTableGrouperStems()