Fix RF performance degradation.

2023-05-12 06:16:32 +00:00
parent 168e1b93ab
commit 17114b6933
8 changed files with 67 additions and 12 deletions
--- a/src/sql/engine/px/ob_dfo_mgr.cpp
+++ b/src/sql/engine/px/ob_dfo_mgr.cpp
@ -520,6 +520,9 @@ int ObDfoMgr::do_split(ObExecContext &exec_ctx,
    }
  } else if (IS_PX_JOIN_FILTER(phy_op->get_type()) && NULL != parent_dfo) {
    const ObJoinFilterSpec *filter_spec = static_cast<const ObJoinFilterSpec *>(phy_op);
+    if (filter_spec->is_create_mode() && !parent_dfo->force_bushy()) {
+      parent_dfo->set_force_bushy(true);
+    }
    if(filter_spec->is_shared_join_filter() && filter_spec->is_shuffle_) {
      ObP2PDfoMapNode node;
      node.target_dfo_id_ = parent_dfo->get_dfo_id();