let $CHILD2_1_HA_AS_DROP_TABLES=
  $CHILD2_1_DROP_TABLES;
let $CHILD2_1_HA_AS_CREATE_TABLES=
  $CHILD2_1_CREATE_TABLES;
let $CHILD2_1_HA_AS_DROP_TABLES2=
  $CHILD2_1_DROP_TABLES2;
let $CHILD2_1_HA_AS_CREATE_TABLES2=
  $CHILD2_1_CREATE_TABLES2;