fix: decimal int not handled properly for values stmt

src/sql/engine/basic/ob_values_table_access_op.cpp

@@ -245,10 +245,22 @@ int ObValuesTableAccessOp::calc_datum_from_param(const ObObj &src_obj, ObExpr *d
   ObDatum &dst_datum = dst_expr->locate_datum_for_write(eval_ctx_);
   const ObObjType &src_type = src_obj.get_type();
   const ObObjType &dst_type =  dst_expr->obj_meta_.get_type();
-  if (ob_is_decimal_int_tc(src_type) && ob_is_number_tc(dst_type)) {
+  const ObObjParam src_obj_param = static_cast<const ObObjParam>(src_obj);
+  bool need_adjust_decimal_int = ob_is_decimal_int_tc(src_type)
+                                 && ob_is_decimal_int_tc(dst_expr->datum_meta_.type_)
+                                 && ObDatumCast::need_scale_decimalint(src_obj_param.get_scale(),
+                                                                       src_obj_param.get_precision(),
+                                                                       dst_expr->datum_meta_.scale_,
+                                                                       dst_expr->datum_meta_.precision_);
+  if (ob_is_decimal_int_tc(src_type) && (ob_is_number_tc(dst_type) || need_adjust_decimal_int)) {
     ObObj dst_obj;
     const ObDataTypeCastParams dtc_params = ObBasicSessionInfo::create_dtc_params(GET_MY_SESSION(ctx_));
-    ObCastCtx cast_ctx(&eval_ctx_.exec_ctx_.get_allocator(), &dtc_params, cm_, dst_expr->obj_meta_.get_collation_type());
+    ObAccuracy dst_accuracy = ObAccuracy::DDL_DEFAULT_ACCURACY2[is_oracle_mode()][dst_type];
+    if (ob_is_decimal_int_tc(dst_type)) {
+      dst_accuracy.set_scale(dst_expr->datum_meta_.scale_);
+      dst_accuracy.set_precision(dst_expr->datum_meta_.precision_);
+    }
+    ObCastCtx cast_ctx(&eval_ctx_.exec_ctx_.get_allocator(), &dtc_params, cm_, dst_expr->obj_meta_.get_collation_type(), &dst_accuracy);
     cast_ctx.exec_ctx_ = &eval_ctx_.exec_ctx_;
     if (OB_FAIL(ObObjCaster::to_type(dst_type, dst_expr->obj_meta_.get_collation_type(), cast_ctx,
                                      src_obj, dst_obj))) {

src/sql/plan_cache/ob_cache_object.cpp

@@ -95,6 +95,7 @@ int ObPlanCacheObject::set_params_info(const ParamStore &params)
       } else {
         param_info.ext_real_type_ = data_type.get_obj_type();
         param_info.scale_ = data_type.get_scale();
+        param_info.precision_ = data_type.get_precision();
       }
       LOG_DEBUG("ext params info", K(data_type), K(param_info), K(params.at(i)));
     } else if (params.at(i).get_param_meta().is_ext() || params.at(i).is_user_defined_sql_type() || params.at(i).is_collection_sql_type()) {

src/sql/plan_cache/ob_plan_set.cpp

@@ -272,6 +272,10 @@ int ObPlanSet::match_param_info(const ObParamInfo &param_info,
         // do nothing
       } else if (OB_FAIL(ObSQLUtils::get_ext_obj_data_type(param, data_type))) {
         LOG_WARN("fail to get obj data_type", K(ret), K(param));
+      } else if (data_type.get_obj_type() == ObDecimalIntType) {
+        is_same = param_info.ext_real_type_ == ObDecimalIntType
+                  && data_type.get_scale() == param_info.scale_
+                  && match_decint_precision(param_info, data_type.get_precision());
       } else if (data_type.get_scale() == param_info.scale_ &&
                  data_type.get_obj_type() == param_info.ext_real_type_) {
         is_same = true;
@@ -2469,6 +2473,9 @@ bool ObPlanSet::match_decint_precision(const ObParamInfo &param_info, ObPrecisio
   bool ret = false;
   if (ob_is_decimal_int(param_info.type_)) {
     ret = (param_info.precision_ == other_prec);
+  } else if (ob_is_extend(param_info.type_) && ob_is_decimal_int(param_info.ext_real_type_)) {
+    ret = wide::ObDecimalIntConstValue::get_int_bytes_by_precision(param_info.precision_)
+          == wide::ObDecimalIntConstValue::get_int_bytes_by_precision(other_prec);
   } else {
     // not decimal_int, return true
     ret = true;

src/sql/resolver/dml/ob_inlist_resolver.cpp

@@ -171,9 +171,15 @@ int ObInListResolver::check_inlist_rewrite_enable(const ParseNode &in_list,
   if (OB_ISNULL(session_info)) {
     ret = OB_ERR_UNEXPECTED;
     LOG_WARN("get unexpected null", K(ret), KP(session_info));
-  } else if (T_WHERE_SCOPE != scope || !is_root_condition || T_OP_IN != op_type ||
+  } else if (T_WHERE_SCOPE != scope
-             T_EXPR_LIST != in_list.type_ || is_need_print || session_info->is_varparams_sql_prepare() ||
+             || !is_root_condition
-             (NULL != stmt && stmt->is_select_stmt() && static_cast<const ObSelectStmt *>(stmt)->is_hierarchical_query())) {
+             || (T_OP_IN != op_type && T_OP_NOT_IN != op_type)
+             || T_EXPR_LIST != in_list.type_
+             || is_need_print
+             || session_info->is_varparams_sql_prepare()
+             || (NULL != stmt
+                 && stmt->is_select_stmt()
+                 && static_cast<const ObSelectStmt *>(stmt)->is_hierarchical_query())) {
     LOG_TRACE("no need rewrite inlist", K(is_root_condition), K(scope), K(in_list.type_),
               K(op_type), K(is_need_print), K(session_info->is_varparams_sql_prepare()));
   } else {