diff --git a/src/share/object/ob_obj_cast.cpp b/src/share/object/ob_obj_cast.cpp
index 0846f7ab3e..4be2259885 100644
--- a/src/share/object/ob_obj_cast.cpp
+++ b/src/share/object/ob_obj_cast.cpp
@@ -32,7 +32,6 @@
 #include "sql/engine/expr/ob_expr_lob_utils.h"
 #include "lib/charset/ob_charset.h"
 #include "lib/geo/ob_geometry_cast.h"
-#include "sql/engine/expr/ob_datum_cast.h"
 
 // from sql_parser_base.h
 #define DEFAULT_STR_LENGTH -1
@@ -12902,27 +12901,14 @@ int ObObjCaster::to_type(const ObExpectType &expect_type,
 
 const char OB_JSON_NULL[2] = {'\0', '\0'}; // binary json null
 
-int ObObjCaster::get_zero_value(const ObObjType expect_type,
-                                ObCollationType expect_cs_type,
-                                uint64_t data_len,
-                                ObIAllocator &alloc,
-                                ObObj &zero_obj)
+int ObObjCaster::get_zero_value(const ObObjType expect_type, ObCollationType expect_cs_type, ObObj &zero_obj)
 {
   int ret = OB_SUCCESS;
   ObObjCastParams params; //构造一个空的cast_param对象，适配SET_RES_XXX宏定义
   ObCastMode cast_mode = CM_WARN_ON_FAIL;
   params.warning_ = 1; //将warning code设置为1，避免SET_RES_XXX宏将其当做真实的warning处理
-  if (ob_is_string_tc(expect_type)) {
-    //zero_obj.set_string(expect_type, "");
-    ObString padding_res;
-    if (ObVarcharType == expect_type) {
-      zero_obj.set_string(expect_type, "");
-    } else if (OB_FAIL(sql::padding_char_for_cast(data_len, expect_cs_type, alloc,
-                                      padding_res))) {
-      LOG_WARN("padding char failed", K(ret), K(data_len), K(expect_cs_type));
-    } else {
-      zero_obj.set_string(expect_type, padding_res);
-    }
+  if (ob_is_string_tc(expect_type) || ob_is_text_tc(expect_type)) {
+    zero_obj.set_string(expect_type, "");
   } else if (ob_is_text_tc(expect_type)) {
     zero_obj.set_lob_value(expect_type, static_cast<const char *>(NULL), 0);
   } else if (ob_is_int_tc(expect_type)) {
diff --git a/src/share/object/ob_obj_cast.h b/src/share/object/ob_obj_cast.h
index cfe2e9555a..94607dfba4 100644
--- a/src/share/object/ob_obj_cast.h
+++ b/src/share/object/ob_obj_cast.h
@@ -385,11 +385,7 @@ public:
                      const ObObj &in_obj, ObObj &out_obj);
   static int to_type(const ObObjType expect_type, ObCollationType expect_cs_type,
                      ObCastCtx &cast_ctx, const ObObj &in_obj, ObObj &out_obj);
-  static int get_zero_value(const ObObjType expect_type,
-                            ObCollationType expect_cs_type,
-                            uint64_t data_len,
-                            ObIAllocator &alloc,
-                            ObObj &zero_obj);
+  static int get_zero_value(const ObObjType expect_type, ObCollationType expect_cs_type, ObObj &zero_obj);
   static int enumset_to_inner(const ObObjMeta &expect_meta,
                               const ObObj &in_obj, ObObj &out_obj,
                               common::ObIAllocator &allocator,
diff --git a/src/sql/engine/dml/ob_dml_service.cpp b/src/sql/engine/dml/ob_dml_service.cpp
index c29da64fe6..0a4d7a0fd1 100644
--- a/src/sql/engine/dml/ob_dml_service.cpp
+++ b/src/sql/engine/dml/ob_dml_service.cpp
@@ -41,12 +41,11 @@ int ObDMLService::check_row_null(const ObExprPtrIArray &row,
                                        ObEvalCtx &eval_ctx,
                                        int64_t row_num,
                                        const ColContentIArray &column_infos,
-                                       const ObDASDMLBaseCtDef &das_ctdef,
+                                       bool is_ignore,
                                        bool is_single_value,
                                        ObTableModifyOp &dml_op)
 {
   int ret = OB_SUCCESS;
-  const bool is_ignore = das_ctdef.is_ignore_;
   ObSQLSessionInfo *session = NULL;
   CK(row.count() >= column_infos.count());
   if (OB_ISNULL(session = dml_op.get_exec_ctx().get_my_session())) {
@@ -74,10 +73,8 @@ int ObDMLService::check_row_null(const ObExprPtrIArray &row,
         } else if (OB_FAIL(ObObjCaster::get_zero_value(
             row.at(col_idx)->obj_meta_.get_type(),
             row.at(col_idx)->obj_meta_.get_collation_type(),
-            das_ctdef.column_accuracys_.at(i).get_length(),
-            eval_ctx.exec_ctx_.get_allocator(),
             zero_obj))) {
-          LOG_WARN("get column default zero value failed", K(ret), K(column_infos.at(i)), K(row.at(col_idx)->max_length_));
+          LOG_WARN("get column default zero value failed", K(ret), K(column_infos.at(i)));
         } else if (OB_FAIL(ObTextStringResult::ob_convert_obj_temporay_lob(zero_obj, eval_ctx.exec_ctx_.get_allocator()))) {
           LOG_WARN("convert lob types zero obj failed", K(ret), K(zero_obj));
         } else if (OB_FAIL(row_datum.from_obj(zero_obj))) {
@@ -598,7 +595,7 @@ int ObDMLService::process_insert_row(const ObInsCtDef &ins_ctdef,
                                       dml_op.get_eval_ctx(),
                                       ins_rtdef.cur_row_num_,
                                       ins_ctdef.column_infos_,
-                                      ins_ctdef.das_ctdef_,
+                                      ins_ctdef.das_ctdef_.is_ignore_,
                                       ins_ctdef.is_single_value_,
                                       dml_op))) {
       LOG_WARN("check row null failed", K(ret));
@@ -814,7 +811,7 @@ int ObDMLService::process_update_row(const ObUpdCtDef &upd_ctdef,
                                         dml_op.get_eval_ctx(),
                                         upd_rtdef.cur_row_num_,
                                         upd_ctdef.assign_columns_,
-                                        upd_ctdef.dupd_ctdef_,
+                                        upd_ctdef.dupd_ctdef_.is_ignore_,
                                         false,
                                         dml_op))) {
         LOG_WARN("check row null failed", K(ret), K(upd_ctdef), K(upd_rtdef));
@@ -1027,11 +1024,7 @@ int ObDMLService::update_row(const ObUpdCtDef &upd_ctdef,
     }
   } else if (OB_UNLIKELY(old_tablet_loc != new_tablet_loc)) {
     //the updated row may be moved across partitions
-    if (upd_ctdef.dupd_ctdef_.is_ignore_) {
-      ret = OB_NOT_SUPPORTED;
-      LOG_USER_ERROR(OB_NOT_SUPPORTED, "Cross-partition update ignore");
-      LOG_WARN("update ignore is not supported in across partition update, it will induce lost data error", K(ret));
-    } else if (OB_LIKELY(!upd_ctdef.multi_ctdef_->is_enable_row_movement_)) {
+    if (OB_LIKELY(!upd_ctdef.multi_ctdef_->is_enable_row_movement_)) {
       ret = OB_ERR_UPD_CAUSE_PART_CHANGE;
       LOG_WARN("the updated row is moved across partitions", K(ret),
                KPC(old_tablet_loc), KPC(new_tablet_loc));
diff --git a/src/sql/engine/dml/ob_dml_service.h b/src/sql/engine/dml/ob_dml_service.h
index aba7407d1e..7afb5f5870 100644
--- a/src/sql/engine/dml/ob_dml_service.h
+++ b/src/sql/engine/dml/ob_dml_service.h
@@ -28,7 +28,7 @@ public:
                             ObEvalCtx &eval_ctx,
                             int64_t row_num,
                             const ColContentIArray &column_infos,
-                            const ObDASDMLBaseCtDef &das_ctdef,
+                            bool is_ignore,
                             bool is_single_value,
                             ObTableModifyOp &dml_op);
   static int check_column_type(const ExprFixedArray &dml_row,
diff --git a/src/sql/engine/pdml/static/ob_px_multi_part_insert_op.cpp b/src/sql/engine/pdml/static/ob_px_multi_part_insert_op.cpp
index ea7137b187..ecbd2f8762 100644
--- a/src/sql/engine/pdml/static/ob_px_multi_part_insert_op.cpp
+++ b/src/sql/engine/pdml/static/ob_px_multi_part_insert_op.cpp
@@ -132,7 +132,7 @@ int ObPxMultiPartInsertOp::process_row()
                                    eval_ctx_,
                                    ins_rtdef_.cur_row_num_,
                                    MY_SPEC.ins_ctdef_.column_infos_,
-                                   MY_SPEC.ins_ctdef_.das_ctdef_,
+                                   MY_SPEC.is_ignore_,
                                    MY_SPEC.ins_ctdef_.is_single_value_,
                                    *this));
   OZ(ObDMLService::filter_row_for_view_check(MY_SPEC.ins_ctdef_.view_check_exprs_, eval_ctx_, is_filtered));