Revise qual selectivity

2024-01-23 14:42:47 +00:00
parent 65184014c4
commit a0c157ebd7
2 changed files with 4 additions and 2 deletions
--- a/src/sql/optimizer/ob_sel_estimator.cpp
+++ b/src/sql/optimizer/ob_sel_estimator.cpp
@ -1725,7 +1725,7 @@ int ObBoolOpSelEstimator::get_sel(const OptTableMetas &table_metas,
      } else {
        // not op.
        // if can calculate null_sel, sel = 1.0 - null_sel - op_sel
-        selectivity = 1.0 - null_sel - tmp_selectivity;
+        selectivity = ObOptSelectivity::revise_between_0_1(1.0 - null_sel - tmp_selectivity);
      }
    } else {
      // for other condition, it's is too hard to consider null_sel, so ignore it.