fix adjust_subquery_list bug

src/sql/engine/aggregate/ob_aggregate_function.cpp

@@ -2832,7 +2832,6 @@ int ObAggregateFunction::get_result(ObNewRow &row, const common::ObTimeZoneInfo
       }
     }
   }
-  LOG_DEBUG("get result row", K(row));
   return ret;
 }
 

src/sql/resolver/dml/ob_dml_stmt.cpp

@@ -3615,9 +3615,22 @@ int ObDMLStmt::adjust_subquery_list()
   ObSEArray<ObRawExpr *, 8> relation_exprs;
   if (OB_FAIL(get_relation_exprs(relation_exprs))) {
     LOG_WARN("failed to get relation exprs", K(ret));
-  } else if (FALSE_IT(subquery_exprs_.reset())) {
-  } else if (OB_FAIL(ObTransformUtils::extract_query_ref_expr(relation_exprs, subquery_exprs_))) {
-    LOG_WARN("failed to extract query ref expr", K(ret));
+  } else {
+    subquery_exprs_.reset();
+    ObRawExpr *expr = NULL;
+    // extract query ref expr will use flag, call extract_info first
+    for (int64_t i = 0; OB_SUCC(ret) && i < relation_exprs.count(); ++i) {
+      if (OB_ISNULL(expr = relation_exprs.at(i))) {
+        ret = OB_ERR_UNEXPECTED;
+        LOG_WARN("unexpected expr", K(ret));
+      } else if (OB_FAIL(expr->extract_info())) {
+        LOG_WARN("failed to extract info", K(*expr));
+      }
+    }
+
+    if (OB_SUCC(ret) && OB_FAIL(ObTransformUtils::extract_query_ref_expr(relation_exprs, subquery_exprs_))) {
+      LOG_WARN("failed to extract query ref expr", K(ret));
+    }
   }
   return ret;
 }