diff --git a/src/share/object/ob_obj_cast.cpp b/src/share/object/ob_obj_cast.cpp
index c6ffd46027..471a8e50e9 100644
--- a/src/share/object/ob_obj_cast.cpp
+++ b/src/share/object/ob_obj_cast.cpp
@@ -62,7 +62,8 @@
     int64_t pos = 0;                                                                               \
     if (OB_FAIL(sql::ObDatumCast::common_scale_decimalint(                                         \
           (in_obj).get_decimal_int(), (in_obj).get_int_bytes(), in_scale,                          \
-          res_acc.get_scale(), res_acc.get_precision(), params.cast_mode_, tmp_dec))) {            \
+          res_acc.get_scale(), res_acc.get_precision(), params.cast_mode_, tmp_dec,                \
+          (NULL == params.exec_ctx_) ? NULL : params.exec_ctx_->get_user_logging_ctx()))) {        \
       LOG_WARN("common scale decimal int failed", K(ret));                                         \
     } else if (OB_ISNULL(buf = (char *)params.alloc(tmp_dec.get_int_bytes()))) {                   \
       ret = OB_ALLOCATE_MEMORY_FAILED;                                                             \
@@ -13434,11 +13435,16 @@ int number_range_check_v2(ObObjCastParams &params, const ObAccuracy &accuracy,
       } else {
         if (OB_FAIL(out_val.from(in_val, allocator))) {
         } else if (OB_FAIL(out_val.round(scale))) {
-        } else if (CM_IS_ERROR_ON_SCALE_OVER(cast_mode) &&
-          in_val.compare(out_val) != 0) {
-          ret = OB_OPERATE_OVERFLOW;
-          LOG_WARN("input value is out of range.", K(scale), K(in_val));
-        } else {
+        } else if (!in_val.is_equal(out_val)) {
+          if (CM_IS_ERROR_ON_SCALE_OVER(cast_mode)) {
+            ret = OB_OPERATE_OVERFLOW;
+            LOG_WARN("input value is out of range.", K(ret), K(scale), K(in_val));
+          } else if (lib::is_mysql_mode()) {
+            // MySQL emits warnings for decimal column truncation, regardless of sql_mode settings.
+            params.warning_ = OB_ERR_DATA_TOO_LONG;
+          }
+        }
+        if (OB_SUCC(ret)) {
           buf_obj.set_number(obj.get_type(), out_val);
         }
       }
diff --git a/src/sql/engine/basic/ob_expr_values_op.cpp b/src/sql/engine/basic/ob_expr_values_op.cpp
index 13b9bc1c2e..67d5941be7 100644
--- a/src/sql/engine/basic/ob_expr_values_op.cpp
+++ b/src/sql/engine/basic/ob_expr_values_op.cpp
@@ -592,6 +592,10 @@ OB_INLINE int ObExprValuesOp::calc_next_row()
             }
           }
         } else if (!dst_expr->obj_meta_.is_lob_storage()) {
+          ObString column_name = MY_SPEC.column_names_.at(col_idx);
+          ObUserLoggingCtx::Guard logging_ctx_guard(*eval_ctx_.exec_ctx_.get_user_logging_ctx());
+          eval_ctx_.exec_ctx_.set_cur_rownum(row_num);
+          eval_ctx_.exec_ctx_.set_cur_column_name(&column_name);
           if (OB_FAIL(datum_caster_.to_type(dst_expr->datum_meta_, real_src_expr,
                                             cm_, datum, 0, dst_expr->obj_meta_.get_subschema_id()))) {
             LOG_WARN("fail to dynamic cast", K(dst_expr->datum_meta_),
@@ -600,7 +604,6 @@ OB_INLINE int ObExprValuesOp::calc_next_row()
               ret = OB_ERR_CANT_CREATE_GEOMETRY_OBJECT;
               LOG_USER_WARN(OB_ERR_CANT_CREATE_GEOMETRY_OBJECT);
             }
-            ObString column_name = MY_SPEC.column_names_.at(col_idx);
             ret = ObDMLService::log_user_error_inner(ret, row_num, column_name, ctx_);
           }
         } else { // dst type is lob
diff --git a/src/sql/engine/dml/ob_dml_service.cpp b/src/sql/engine/dml/ob_dml_service.cpp
index ce9939f411..619c5f7ab3 100644
--- a/src/sql/engine/dml/ob_dml_service.cpp
+++ b/src/sql/engine/dml/ob_dml_service.cpp
@@ -149,13 +149,15 @@ int ObDMLService::check_column_type(const ExprFixedArray &dml_row,
   int ret = OB_SUCCESS;
   CK(dml_row.count() >= column_infos.count());
   ObArenaAllocator tmp_allocator(ObModIds::OB_LOB_ACCESS_BUFFER, OB_MALLOC_NORMAL_BLOCK_SIZE, MTL_ID());
+  ObUserLoggingCtx::Guard logging_ctx_guard(*dml_op.get_exec_ctx().get_user_logging_ctx());
   dml_op.get_exec_ctx().set_cur_rownum(row_num);
   for (int64_t i = 0; OB_SUCC(ret) && i < column_infos.count(); ++i) {
     const ColumnContent &column_info = column_infos.at(i);
+    common::ObString column_name = column_infos.at(i).column_name_;
+    dml_op.get_exec_ctx().set_cur_column_name(&column_name);
     ObExpr *expr = dml_row.at(column_info.projector_index_);
     ObDatum *datum = nullptr;
     if (OB_FAIL(expr->eval(dml_op.get_eval_ctx(), datum))) {
-      common::ObString column_name = column_infos.at(i).column_name_;
       ret = ObDMLService::log_user_error_inner(ret, row_num, column_name, dml_op.get_exec_ctx());
     } else if (!datum->is_null() && expr->obj_meta_.is_geometry()) {
       // geo column type
diff --git a/src/sql/engine/expr/ob_datum_cast.cpp b/src/sql/engine/expr/ob_datum_cast.cpp
index 14298a5945..ffad933451 100644
--- a/src/sql/engine/expr/ob_datum_cast.cpp
+++ b/src/sql/engine/expr/ob_datum_cast.cpp
@@ -1253,6 +1253,7 @@ static OB_INLINE int common_string_number(const ObExpr &expr,
 }
 
 static int common_string_decimalint(const ObExpr &expr, const ObString &in_str,
+                                    const ObUserLoggingCtx *user_logging_ctx,
                                     ObDecimalIntBuilder &res_val)
 {// TODO: add cases
 #define SET_ZERO(int_type)                                                                         \
@@ -1354,7 +1355,8 @@ static int common_string_decimalint(const ObExpr &expr, const ObString &in_str,
       //  1 row in set (0.01 sec)
       if (ObDatumCast::need_scale_decimalint(in_scale, in_precision, out_scale, out_prec)) {
         if (OB_FAIL(ObDatumCast::common_scale_decimalint(decint, int_bytes, in_scale, out_scale,
-                                                         out_prec, expr.extra_, res_val))) {
+                                                         out_prec, expr.extra_, res_val,
+                                                         user_logging_ctx))) {
           LOG_WARN("scale decimal int failed", K(ret));
         }
       } else {
@@ -2147,7 +2149,8 @@ static int scale_const_decimalint_expr(const ObDecimalInt *decint, const int32_t
 int ObDatumCast::common_scale_decimalint(const ObDecimalInt *decint, const int32_t int_bytes,
                                          const ObScale in_scale, const ObScale out_scale,
                                          const ObPrecision out_prec, const ObCastMode cast_mode,
-                                         ObDecimalIntBuilder &val)
+                                         ObDecimalIntBuilder &val,
+                                         const ObUserLoggingCtx *user_logging_ctx)
 {
   int ret = OB_SUCCESS;
   ObDecimalIntBuilder max_v, min_v;
@@ -2179,6 +2182,12 @@ int ObDatumCast::common_scale_decimalint(const ObDecimalInt *decint, const int32
     } else {
       // do nothing
     }
+    if (OB_SUCC(ret)) {
+      if (lib::is_mysql_mode() && CM_IS_COLUMN_CONVERT(cast_mode) && in_scale > out_scale &&
+            decimal_int_truncated_check(decint, int_bytes, in_scale - out_scale)) {
+        log_user_warning_truncated(user_logging_ctx);
+      }
+    }
   } else {
     if (OB_FAIL(
           wide::common_scale_decimalint(decint, int_bytes, in_scale, out_scale, scaled_val))) {
@@ -2280,6 +2289,16 @@ int check_decimalint_accuracy(const ObCastMode cast_mode,
   return ret;
 }
 
+void log_user_warning_truncated(const ObUserLoggingCtx *user_logging_ctx)
+{
+  if (OB_ISNULL(user_logging_ctx) || user_logging_ctx->skip_logging()) {
+  } else {
+    const ObString *column_name = user_logging_ctx->get_column_name();
+    LOG_USER_WARN(OB_ERR_DATA_TRUNCATED, column_name->length(), column_name->ptr(),
+                  user_logging_ctx->get_row_num());
+  }
+}
+
 static int common_json_string(const ObExpr &expr,
                               ObEvalCtx &ctx,
                               ObIAllocator& allocator,
@@ -3589,7 +3608,8 @@ CAST_FUNC_NAME(string, decimalint)
   {
     ObString in_str(child_res->len_, child_res->ptr_);
     ObDecimalIntBuilder res_val;
-    if (OB_FAIL(common_string_decimalint(expr, in_str, res_val))) {
+    if (OB_FAIL(common_string_decimalint(expr, in_str, ctx.exec_ctx_.get_user_logging_ctx(),
+                                         res_val))) {
       LOG_WARN("cast string to decimal int failed", K(ret));
     } else {
       res_datum.set_decimal_int(res_val.get_decimal_int(), res_val.get_int_bytes());
@@ -3822,7 +3842,7 @@ CAST_FUNC_NAME(text, decimalint)
     ObDecimalIntBuilder res_val;
     if (OB_FAIL(get_text_full_data(expr, ctx, &temp_allocator, child_res, in_str))) {
       LOG_WARN("get string data failed", K(ret));
-    } else if (OB_FAIL(common_string_decimalint(expr, in_str, res_val))) {
+    } else if (OB_FAIL(common_string_decimalint(expr, in_str, ctx.exec_ctx_.get_user_logging_ctx(), res_val))) {
       LOG_WARN("cast string to decimal int failed", K(ret), K(in_str));
     } else {
       res_datum.set_decimal_int(res_val.get_decimal_int(), res_val.get_int_bytes());
@@ -4737,7 +4757,8 @@ CAST_FUNC_NAME(float, decimalint)
       } else if (ObDatumCast::need_scale_decimalint(in_scale, in_prec, out_scale, out_prec)) {
         ObDecimalIntBuilder res_val;
         if (OB_FAIL(ObDatumCast::common_scale_decimalint(decint, val_len, in_scale, out_scale,
-                                            out_prec, expr.extra_, res_val))) {
+                                            out_prec, expr.extra_, res_val,
+                                            ctx.exec_ctx_.get_user_logging_ctx()))) {
           LOG_WARN("scale decimalint failed", K(ret));
         } else {
           res_datum.set_decimal_int(res_val.get_decimal_int(), res_val.get_int_bytes());
@@ -4888,7 +4909,8 @@ CAST_FUNC_NAME(double, decimalint)
       } else if (ObDatumCast::need_scale_decimalint(in_scale, in_prec, out_scale, out_prec)) {
         ObDecimalIntBuilder res_val;
         if (OB_FAIL(ObDatumCast::common_scale_decimalint(decint, val_len, in_scale, out_scale,
-                                            out_prec, expr.extra_, res_val))) {
+                                            out_prec, expr.extra_, res_val,
+                                            ctx.exec_ctx_.get_user_logging_ctx()))) {
           LOG_WARN("scale decimal int failed", K(ret));
         } else {
           res_datum.set_decimal_int(res_val.get_decimal_int(), res_val.get_int_bytes());
@@ -5556,7 +5578,8 @@ CAST_FUNC_NAME(datetime, decimalint)
       } else if (ObDatumCast::need_scale_decimalint(in_scale, in_precision, out_scale, out_prec)) {
         ObDecimalIntBuilder res_val;
         if (OB_FAIL(ObDatumCast::common_scale_decimalint(decint, int_bytes, scale, out_scale,
-                                            out_prec, expr.extra_, res_val))) {
+                                            out_prec, expr.extra_, res_val,
+                                            ctx.exec_ctx_.get_user_logging_ctx()))) {
           LOG_WARN("scale decimal int failed", K(ret), K(scale), K(out_scale));
         } else {
           res_datum.set_decimal_int(res_val.get_decimal_int(), res_val.get_int_bytes());
@@ -7186,7 +7209,8 @@ CAST_FUNC_NAME(time, decimalint)
     } else if (ObDatumCast::need_scale_decimalint(in_scale, in_prec, out_scale, out_prec)) {
       ObDecimalIntBuilder res_val;
       if (OB_FAIL(ObDatumCast::common_scale_decimalint(decint, int_bytes, in_scale, out_scale, out_prec,
-                                          expr.extra_, res_val))) {
+                                          expr.extra_, res_val,
+                                          ctx.exec_ctx_.get_user_logging_ctx()))) {
         LOG_WARN("scale decimal int failed", K(ret));
       } else {
         res_datum.set_decimal_int(res_val.get_decimal_int(), res_val.get_int_bytes());
@@ -8772,7 +8796,8 @@ CAST_FUNC_NAME(geometry, decimalint)
       ObDecimalIntBuilder res_val;
       if (OB_FAIL(ObTextStringHelper::read_real_string_data(temp_allocator, *child_res, expr.args_[0]->datum_meta_, expr.args_[0]->obj_meta_.has_lob_header(), in_str))) {
         LOG_WARN("failed to get real data", K(ret), K(in_str));
-      } else if (OB_FAIL(common_string_decimalint(expr, in_str, res_val))) {
+      } else if (OB_FAIL(common_string_decimalint(expr, in_str,
+                                                  ctx.exec_ctx_.get_user_logging_ctx(), res_val))) {
         LOG_WARN("failed to cast string to decimal int", K(ret), K(in_str));
         ret = OB_ERR_TRUNCATED_WRONG_VALUE_FOR_FIELD; // compatible with mysql
       } else {
@@ -9823,7 +9848,7 @@ CAST_FUNC_NAME(number, decimalint)
     } else if (ObDatumCast::need_scale_decimalint(in_scale, int_bytes, out_scale, out_bytes)) {
       ObDecimalIntBuilder res_val;
       if (OB_FAIL(ObDatumCast::common_scale_decimalint(decint, int_bytes, in_scale, out_scale, out_prec,
-                                          expr.extra_, res_val))) {
+                                          expr.extra_, res_val, ctx.exec_ctx_.get_user_logging_ctx()))) {
         LOG_WARN("scale decimal int failed", K(ret), K(in_scale), K(out_scale));
       } else {
         res_datum.set_decimal_int(res_val.get_decimal_int(), res_val.get_int_bytes());
@@ -10620,7 +10645,8 @@ CAST_FUNC_NAME(decimalint, decimalint)
     if (ObDatumCast::need_scale_decimalint(in_scale, in_prec, out_scale, out_prec)) {
       ObDecimalIntBuilder res_val;
       if (OB_FAIL(ObDatumCast::common_scale_decimalint(child_res->decimal_int_, child_res->len_, in_scale,
-                                          out_scale, out_prec, expr.extra_, res_val))) {
+                                          out_scale, out_prec, expr.extra_, res_val,
+                                          ctx.exec_ctx_.get_user_logging_ctx()))) {
         LOG_WARN("scale decimal int failed", K(ret));
       } else {
         res_datum.set_decimal_int(res_val.get_decimal_int(), res_val.get_int_bytes());
@@ -11258,11 +11284,16 @@ int number_range_check_v2(const ObCastMode &cast_mode,
         LOG_WARN("out_val.from failed", K(ret), K(in_val));
       } else if (OB_FAIL(out_val.round(scale))) {
         LOG_WARN("out_val.round failed", K(ret), K(scale));
-      } else if (CM_IS_ERROR_ON_SCALE_OVER(cast_mode) &&
-        in_val.compare(out_val) != 0) {
-        ret = OB_OPERATE_OVERFLOW;
-        LOG_WARN("input value is out of range.", K(scale), K(in_val));
-      } else {
+      } else if (!in_val.is_equal(out_val)) {
+        if (CM_IS_ERROR_ON_SCALE_OVER(cast_mode)) {
+          ret = OB_OPERATE_OVERFLOW;
+          LOG_WARN("input value is out of range.", K(ret), K(scale), K(in_val));
+        } else if (lib::is_mysql_mode()) {
+          // MySQL emits warnings for decimal column truncation, regardless of sql_mode settings.
+          warning = OB_ERR_DATA_TOO_LONG;
+        }
+      }
+      if (OB_SUCC(ret)) {
         res_datum.set_number(out_val);
         is_finish = true;
       }
diff --git a/src/sql/engine/expr/ob_datum_cast.h b/src/sql/engine/expr/ob_datum_cast.h
index b9af939279..4ced8e61a7 100644
--- a/src/sql/engine/expr/ob_datum_cast.h
+++ b/src/sql/engine/expr/ob_datum_cast.h
@@ -30,6 +30,8 @@ namespace oceanbase
 namespace sql
 {
 class ObPhysicalPlanCtx;
+struct ObUserLoggingCtx;
+
 // extract accuracy info from %expr and call datum_accuracy_check() below.
 int datum_accuracy_check(const ObExpr &expr,
                          const uint64_t cast_mode,
@@ -302,6 +304,26 @@ int check_decimalint_accuracy(const ObCastMode cast_mode,
                               const ObPrecision precision, const ObScale scale,
                               ObDecimalIntBuilder &res_val, int &warning);
 
+inline bool decimal_int_truncated_check(const ObDecimalInt *decint, const int32_t int_bytes,
+                                       const unsigned scale)
+{
+#define TRUNC_CHECK(int_type) \
+  if (wide::ObDecimalIntConstValue::get_int_bytes_by_precision(scale) > int_bytes) {  \
+    bret = (*reinterpret_cast<const int_type *>(decint)) != 0;              \
+  } else {                                                                  \
+    const int_type sf = get_scale_factor<int_type>(scale);                  \
+    bret = (((*reinterpret_cast<const int_type *>(decint)) % sf) != 0);     \
+  }
+
+  int ret = OB_SUCCESS;
+  bool bret = false;
+  DISPATCH_WIDTH_TASK(int_bytes, TRUNC_CHECK);
+  return bret;
+#undef TRUNC_CHECK
+}
+
+void log_user_warning_truncated(const ObUserLoggingCtx *user_logging_ctx);
+
 // copied from ob_obj_cast.cpp，函数逻辑没有修改，只是将输入参数从ObObj变为ObDatum
 class ObDatumHexUtils
 {
@@ -433,7 +455,8 @@ public:
   static int common_scale_decimalint(const ObDecimalInt *decint, const int32_t int_bytes,
                                      const ObScale in_scale, const ObScale out_scale,
                                      const ObPrecision out_prec,
-                                     const ObCastMode cast_mode, ObDecimalIntBuilder &val);
+                                     const ObCastMode cast_mode, ObDecimalIntBuilder &val,
+                                     const ObUserLoggingCtx *column_conv_ctx = NULL);
 
   static int align_decint_precision_unsafe(const ObDecimalInt *decint, const int32_t int_bytes,
                                            const int32_t expected_int_bytes,
diff --git a/src/sql/engine/expr/ob_datum_decint_cast.h b/src/sql/engine/expr/ob_datum_decint_cast.h
index 3e7b0fd40a..d1becf04e8 100644
--- a/src/sql/engine/expr/ob_datum_decint_cast.h
+++ b/src/sql/engine/expr/ob_datum_decint_cast.h
@@ -429,7 +429,7 @@ inline static void scale_up_with_types(const ObDecimalInt *decint, unsigned scal
 
 template <typename in_type, typename out_type>
 inline static void scale_down_with_types(const ObDecimalInt *decint, unsigned scale,
-                                         ObDecimalIntBuilder &res)
+                                         ObDecimalIntBuilder &res, bool &truncated)
 {
   static_assert(wide::IsIntegral<out_type>::value, "");
   static_assert(wide::IsIntegral<in_type>::value, "");
@@ -440,6 +440,7 @@ inline static void scale_down_with_types(const ObDecimalInt *decint, unsigned sc
   out_type remain = val % sf;
   val = val / sf;
   if (remain >= (sf >> 1)) { val = val + 1; }
+  truncated = (remain != 0);
   if (is_neg) { val = -val; }
   res.from(val);
 }
@@ -497,9 +498,13 @@ static int decimalint_fast_cast(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res
                                              res_val);
       res_datum.set_decimal_int(res_val.get_decimal_int(), res_val.get_int_bytes());
     } else {
+      bool truncated = false;
       scale_down_with_types<in_type, out_type>(child_res->get_decimal_int(), in_scale - out_scale,
-                                               res_val);
+                                               res_val, truncated);
       res_datum.set_decimal_int(res_val.get_decimal_int(), res_val.get_int_bytes());
+      if (lib::is_mysql_mode() && CM_IS_COLUMN_CONVERT(expr.extra_) & truncated) {
+        log_user_warning_truncated(ctx.exec_ctx_.get_user_logging_ctx());
+      }
     }
   }
   if (is_explicit && !res_datum.is_null() && OB_SUCC(ret)) {
diff --git a/src/sql/engine/ob_exec_context.cpp b/src/sql/engine/ob_exec_context.cpp
index 6f1132d2b4..8bd6e79695 100644
--- a/src/sql/engine/ob_exec_context.cpp
+++ b/src/sql/engine/ob_exec_context.cpp
@@ -130,7 +130,7 @@ ObExecContext::ObExecContext(ObIAllocator &allocator)
     table_direct_insert_ctx_(),
     errcode_(OB_SUCCESS),
     dblink_snapshot_map_(),
-    cur_row_num_(-1),
+    user_logging_ctx_(),
     is_online_stats_gathering_(false)
 {
 }
diff --git a/src/sql/engine/ob_exec_context.h b/src/sql/engine/ob_exec_context.h
index 60a6778ec5..27cbda456d 100644
--- a/src/sql/engine/ob_exec_context.h
+++ b/src/sql/engine/ob_exec_context.h
@@ -127,6 +127,33 @@ public:
   ObOperatorKit *kits_;
 };
 
+struct ObUserLoggingCtx
+{
+  friend class ObExecContext;
+  friend class Guard;
+  class Guard
+  {
+  public:
+    explicit Guard(ObUserLoggingCtx &ctx) : ctx_(ctx) {}
+    ~Guard() { ctx_.reset(); }
+  private:
+    ObUserLoggingCtx &ctx_;
+  };
+  ObUserLoggingCtx() : column_name_(NULL), row_num_(-1) {}
+  inline bool skip_logging() const { return NULL == column_name_ || row_num_ <= 0; }
+  inline const ObString *get_column_name() const  { return column_name_; }
+  inline int64_t get_row_num() const { return row_num_; }
+private:
+  inline void reset()
+  {
+    column_name_ = NULL;
+    row_num_ = -1;
+  }
+private:
+  const ObString *column_name_;
+  int64_t row_num_;
+};
+
 class ObIExtraStatusCheck;
 struct ObTempExprBackupCtx;
 
@@ -473,8 +500,11 @@ public:
                                  share::schema::ObSchemaGetterGuard *schema_guard = NULL);
 
   ObExecFeedbackInfo &get_feedback_info() { return fb_info_; };
-  void set_cur_rownum(int64_t cur_rownum) { cur_row_num_ = cur_rownum; }
-  int64_t get_cur_rownum() { return cur_row_num_; }
+  inline void set_cur_rownum(int64_t cur_rownum) { user_logging_ctx_.row_num_ = cur_rownum; }
+  inline int64_t get_cur_rownum() const { return user_logging_ctx_.row_num_; }
+  inline void set_cur_column_name(const ObString *column_name)
+  { user_logging_ctx_.column_name_ = column_name; }
+  inline ObUserLoggingCtx *get_user_logging_ctx() { return &user_logging_ctx_; }
   bool use_temp_expr_ctx_cache() const { return use_temp_expr_ctx_cache_; }
   bool has_dynamic_values_table() const {
     bool ret = false;
@@ -663,8 +693,8 @@ protected:
   hash::ObHashMap<uint64_t, void*> dblink_snapshot_map_;
   // for feedback
   ObExecFeedbackInfo fb_info_;
-  // for dml report user warning/error at specific row
-  int64_t cur_row_num_;
+  // for dml report user warning/error at specific row and column
+  ObUserLoggingCtx user_logging_ctx_;
   // for online stats gathering
   bool is_online_stats_gathering_;
   //---------------
diff --git a/tools/deploy/mysql_test/r/mysql/datatype_java.result b/tools/deploy/mysql_test/r/mysql/datatype_java.result
index 2cea4d116e..53e0b999ac 100644
--- a/tools/deploy/mysql_test/r/mysql/datatype_java.result
+++ b/tools/deploy/mysql_test/r/mysql/datatype_java.result
@@ -12,6 +12,7 @@ insert into t(int_val, uint_val, flt_val, dbl_val, dec_val, vc_val) values
 (-184467440737095516150, -184467440737095516150,     0.444444,    0.444444, '98.76abc',    '987654321'),
 (NULL,                   NULL,                      -0.555555,   -0.555555, 'abc',         '阿里巴巴');
 Warnings:
+Warning	1265	Data truncated for column 'dec_val' at row 1
 Warning	1265	Data truncated for column '"test"."t"."vc_val"' at row 1
 Warning	1265	Data truncated for column '"test"."t"."vc_val"' at row 2
 Warning	1265	Data truncated for column '"test"."t"."vc_val"' at row 3
@@ -22,6 +23,7 @@ auto_increment_id	-32768	0	0.444	0.4444	98.760	98
 auto_increment_id	NULL	NULL	-0.556	-0.5556	0.000	阿里
 update t set int_val = 123456789, uint_val = -123456789, flt_val = 98765.43210, dbl_val = 98765.43210, dec_val = 98765.43210, vc_val = '支付宝';
 Warnings:
+Warning	1265	Data truncated for column 'dec_val' at row 1
 Warning	1265	Data truncated for column '"test"."t"."vc_val"' at row 1
 select * from t order by id limit 1;
 id	int_val	uint_val	flt_val	dbl_val	dec_val	vc_val
diff --git a/tools/deploy/mysql_test/test_suite/meta_info/r/mysql/meta_func.result b/tools/deploy/mysql_test/test_suite/meta_info/r/mysql/meta_func.result
index 46a745dbd5..bbc61a9397 100644
--- a/tools/deploy/mysql_test/test_suite/meta_info/r/mysql/meta_func.result
+++ b/tools/deploy/mysql_test/test_suite/meta_info/r/mysql/meta_func.result
@@ -98,6 +98,8 @@ def					ifnull(0, 0.0)	246	23	3	Y	32896	1	63
 ifnull(0, 0.0)
 0.0
 insert into t3 values(0, 2.4, "123");
+Warnings:
+Warning	1265	Data truncated for column 'b' at row 1
 select ifnull(a, b), ifnull(a, c) from t3;
 Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
 def					ifnull(a, b)	246	12	1	Y	32896	0	63
diff --git a/tools/deploy/mysql_test/test_suite/meta_info/r/mysql/meta_type.result b/tools/deploy/mysql_test/test_suite/meta_info/r/mysql/meta_type.result
index 8dc1f3bbef..52163a46f7 100644
--- a/tools/deploy/mysql_test/test_suite/meta_info/r/mysql/meta_type.result
+++ b/tools/deploy/mysql_test/test_suite/meta_info/r/mysql/meta_type.result
@@ -252,6 +252,9 @@ def	test	t4	t4	a	a	246	11	0	Y	32768	0	63
 def	test	t4	t4	b	b	246	10	0	Y	32800	0	63
 a	b
 insert into t4 value(0.1,0.2);
+Warnings:
+Warning	1265	Data truncated for column 'a' at row 1
+Warning	1265	Data truncated for column '"test"."t4"."b"' at row 1
 select * from t4;
 Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
 def	test	t4	t4	a	a	246	11	1	Y	32768	0	63
diff --git a/tools/deploy/mysql_test/test_suite/pl/r/mysql/sp-big_mysql.result b/tools/deploy/mysql_test/test_suite/pl/r/mysql/sp-big_mysql.result
index 191001b153..e0fa08f1e8 100644
--- a/tools/deploy/mysql_test/test_suite/pl/r/mysql/sp-big_mysql.result
+++ b/tools/deploy/mysql_test/test_suite/pl/r/mysql/sp-big_mysql.result
@@ -35,6 +35,8 @@ drop table t1;
 create table t1 (f1 char(100) , f2 mediumint , f3 int , f4 real, f5 numeric);
 insert into t1 (f1, f2, f3, f4, f5) values
 ("This is a test case for for Bug#9819", 1, 2, 3.0, 4.598);
+Warnings:
+Warning	1265	Data truncated for column 'f5' at row 1
 create table t2 like t1;
 select count(*) from t1;
 +----------+
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_abs.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_abs.result
index 5a1b5f4e9e..7002fee5b6 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_abs.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_abs.result
@@ -37,6 +37,9 @@ create table t (t1 tinyint,
 insert into t values (1, -1, 1, -1, 1, 1, 1, 1, 1, 1, -0.2, 0.3, 0.4, 0.5, -0.6, 0.7,
                      '1993-03-20', '1993-03-20', '1993-03-20', '10:10:10', '1993', '0.8', '0.9', '1.0', '1.1',
                      '1.2', 1, 'b', 'b');
+Warnings:
+Warning	1265	Data truncated for column 't15' at row 1
+Warning	1265	Data truncated for column '"test"."t"."t16"' at row 1
 insert into t(t1) values (null);
 
 
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_ascii.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_ascii.result
index e577e78295..ab5f5d7345 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_ascii.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_ascii.result
@@ -24,6 +24,9 @@ insert into t1 values(1, 2,
     7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '9.5', '10.5', null);
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"oceanbase"."t1"."c18"' at row 1
 insert into t1 values(-1, 2, 
     -1, 2, 
     -1, 2, 
@@ -35,6 +38,9 @@ insert into t1 values(-1, 2,
     -7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '-9.5', '10.5', null);
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"oceanbase"."t1"."c18"' at row 1
 create table t2(col_int int, col_utf8 varchar(100) charset utf8, 
                 col_utf16 varchar(100) charset utf16,
                 col_gbk varchar(100) charset gbk);
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_assign.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_assign.result
index 0e5a0e3dff..9d87deeff7 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_assign.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_assign.result
@@ -24,6 +24,9 @@ insert into t1 values(1, 2,
     7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '9.5', '10.5');
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"oceanbase"."t1"."c18"' at row 1
 
 select @var1, @var2;
 +-------+-------+
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_bool.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_bool.result
index 0347a825bf..ac403d9f1d 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_bool.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_bool.result
@@ -67,6 +67,9 @@ insert into t1 values(
 
   b'001'
 );
+Warnings:
+Warning	1265	Data truncated for column 'col_decimal' at row 1
+Warning	1265	Data truncated for column '"oceanbase"."t1"."col_udecimal"' at row 1
 create table t2 (c1 int);
 insert into t2 values(1);
 
@@ -395,6 +398,9 @@ insert into t1 values(1, 2,
     7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '9.5', '10.5', 'blob type', 'text type');
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"oceanbase"."t1"."c18"' at row 1
 set ob_enable_plan_cache = 0;
 explain_protocol: 2
 EXPLAIN select c1 and c1 from t1;
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_char_length.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_char_length.result
index 45d18f3c88..8dae78d3d8 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_char_length.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_char_length.result
@@ -48,6 +48,8 @@ select char_length(' a b');
 drop table if exists t1;
 create table t1 (c1 int, c2 char(10), c3 varchar(10), c4 timestamp, c5 decimal);
 insert into t1 values(1, 'a ', 'a ', '2010-01-01 11:11:11', 10.1);
+Warnings:
+Warning	1265	Data truncated for column 'c5' at row 1
 select char_length(c1) from t1;
 +-----------------+
 | char_length(c1) |
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_coalesce.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_coalesce.result
index be7f005b13..551e499da9 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_coalesce.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_coalesce.result
@@ -22,6 +22,9 @@ insert into t1 values(1, 2,
     7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00',
     '9.5', '10.5');
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"test"."t1"."c18"' at row 1
 
 // Case1: normal test.测试各种类型组合, 跟不开新引擎开关进行对比
 alter system flush plan cache global;
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_collation.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_collation.result
index e9749e0631..234655057c 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_collation.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_collation.result
@@ -29,6 +29,9 @@ insert into t1 values(1, 2,
     7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '9.5', '10.5', 'utf8 col', 'utf16 col', 'gbk col');
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"oceanbase"."t1"."c18"' at row 1
 insert into t1 values(-1, 2, 
     -1, 2, 
     -1, 2, 
@@ -40,6 +43,9 @@ insert into t1 values(-1, 2,
     -7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '-9.5', '10.5', 'utf8 col', 'utf16 col', 'gbk col');
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"oceanbase"."t1"."c18"' at row 1
 
 select c1, charset(c1), collation(c1), coercibility(c1) from t1;
 +------+-------------+---------------+------------------+
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_find_in_set.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_find_in_set.result
index 3ba33ee03c..6d8b5ce3ba 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_find_in_set.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_find_in_set.result
@@ -25,6 +25,9 @@ insert into t1 values(1, 2,
     7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '1,2,3.5,4.5', '12,2,8.5', null);
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"oceanbase"."t1"."c18"' at row 1
 insert into t1 values(-1, 2, 
     -1, 2, 
     -1, 2, 
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_from_unixtime.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_from_unixtime.result
index 48ea122ccb..66d1570cb4 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_from_unixtime.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_from_unixtime.result
@@ -166,6 +166,9 @@ insert into t values (1, -1, 1, 1234567, 13445677888, 1, 1, 1, 14455423, 1, 1231
                       11113211.22323, 22312312312.322, 123123222.23232, 1231232.22222,
                      '1993-03-20', '1993-03-20', '1993-03-20', '10:10:10', '1993', '123123.13', '132123.24', '31231231231.222', '31231231231.22',
                      '1.2', 1, 'b', 'b');
+Warnings:
+Warning	1265	Data truncated for column 't15' at row 1
+Warning	1265	Data truncated for column '"test"."t"."t16"' at row 1
 insert into t(t28) values ('%Y-%M-%D %h:%m:%s');
 
 
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_is.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_is.result
index d42e33b846..d24ef8e7bb 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_is.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_is.result
@@ -61,6 +61,9 @@ insert into t1 values(1, 1,
     '0001-01-01 00:00:00', '0001-01-01 00:00:00',
     '0001-01-01 00:00:00', '0001-01-01 00:00:00',
     '1', '1.0');
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"test"."t1"."c18"' at row 1
 
 insert into t1 values(11, 11,
     11, 11,
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_left.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_left.result
index bfd8c8f333..d93ce2047f 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_left.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_left.result
@@ -25,6 +25,9 @@ insert into t1 values(1, 2,
     7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '9.5', '10.5', null);
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"oceanbase"."t1"."c18"' at row 1
 insert into t1 values(-1, 2, 
     -1, 2, 
     -1, 2, 
@@ -36,6 +39,9 @@ insert into t1 values(-1, 2,
     -7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '-9.5', '10.5', null);
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"oceanbase"."t1"."c18"' at row 1
 
 create table t2 (c1 varchar(100), c2 int,
                  c3 int, c4 varchar(100));
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_math.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_math.result
index b149f9a2b5..6efc84d1a9 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_math.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_math.result
@@ -25,6 +25,9 @@ insert into t1 values(1, 2,
     7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '9.5', '10.5');
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"test"."t1"."c18"' at row 1
 insert into t1 values(-1, 2, 
     -1, 2, 
     -1, 2, 
@@ -36,6 +39,9 @@ insert into t1 values(-1, 2,
     -7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '-9.5', '10.5');
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"test"."t1"."c18"' at row 1
 insert into t1(c17) values(1), (-1), (10000000000000), (-10000000000000), (0.000001), (-0.000001);
 ERROR 22003: Out of range value for column 'c17' at row 3
 
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_neg.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_neg.result
index c19e0c7bfd..2b05d86054 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_neg.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_neg.result
@@ -148,6 +148,9 @@ create table t (t1 tinyint,
 insert into t values (1, -1, 1, -1, 1, 1, 1, 1, 1, 1, -0.2, 0.3, 0.4, 0.5, -0.6, 0.7,
                      '1993-03-20', '1993-03-20', '1993-03-20', '10:10:10', '1993', '0.8', '0.9', '1.0', '1.1',
                      '1.2', 1, 'b', 'b');
+Warnings:
+Warning	1265	Data truncated for column 't15' at row 1
+Warning	1265	Data truncated for column '"test"."t"."t16"' at row 1
 insert into t(t1) values (null);
 
 
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_not.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_not.result
index 3ebf63ecf8..e4ce97c544 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_not.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_not.result
@@ -37,6 +37,9 @@ create table t (t1 tinyint,
 insert into t values (1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7,
                      '1993-03-20', '1993-03-20', '1993-03-20', '10:10:10', '1993', '0.8', '0.9', '1.0', '1.1',
                      '1.2', 1, 'b', 'b');
+Warnings:
+Warning	1265	Data truncated for column 't15' at row 1
+Warning	1265	Data truncated for column '"test"."t"."t16"' at row 1
 insert into t(t1) values (null);
 
 
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_nullif_ifnull.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_nullif_ifnull.result
index 239663d5e0..5fbd8cb99e 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_nullif_ifnull.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_nullif_ifnull.result
@@ -26,6 +26,9 @@ insert into t1 values(1, 2,
     7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00',
     '9.5', '10.5', null);
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"oceanbase"."t1"."c18"' at row 1
 insert into t1 values(-1, 2,
     -1, 2,
     -1, 2,
@@ -37,6 +40,9 @@ insert into t1 values(-1, 2,
     -7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00',
     '-9.5', '10.5', null);
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"oceanbase"."t1"."c18"' at row 1
 
 select nullif(null, null), nullif(1, null), nullif(null, 1);
 +--------------------+-----------------+-----------------+
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_nvl.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_nvl.result
index 983c131bc5..19a0897c94 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_nvl.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_nvl.result
@@ -29,6 +29,9 @@ insert into t1 values(1, 2,
     7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '9.5', '10.5', null);
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"test"."t1"."c18"' at row 1
 insert into t1 values(-1, 2, 
     -1, 2, 
     -1, 2, 
@@ -40,6 +43,9 @@ insert into t1 values(-1, 2,
     -7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '-9.5', '10.5', null);
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"test"."t1"."c18"' at row 1
 
 explain_protocol: 2
 EXPLAIN select nvl(c_null, c_null) from t1;
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_pad.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_pad.result
index 6a38e514d9..7e3b91b561 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_pad.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_pad.result
@@ -23,6 +23,9 @@ insert into t1 values(1, 2,
     7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '9.5', '10.5');
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"oceanbase"."t1"."c18"' at row 1
 
 // Case1: normal test.测试各种类型组合, 跟不开新引擎开关进行对比
 alter system flush plan cache global;
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_str.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_str.result
index 7c8aa55c91..ae5ed41539 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_str.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_str.result
@@ -31,6 +31,9 @@ insert into t1 values(1, 2,
     7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '9.5', '10.5', null);
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"oceanbase"."t1"."c18"' at row 1
 insert into t1 values(-1, 2, 
     -1, 2, 
     -1, 2, 
@@ -42,6 +45,9 @@ insert into t1 values(-1, 2,
     -7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '-9.5', '10.5', null);
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"oceanbase"."t1"."c18"' at row 1
 
 select quote(null);
 +-------------+
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_timestampadd.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_timestampadd.result
index e5eadaf2ba..b0213321c8 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_timestampadd.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_timestampadd.result
@@ -22,6 +22,9 @@ insert into t1 values(1, 2,
     7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '9.5', '10.5');
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"test"."t1"."c18"' at row 1
 
 // Case1: normal test.测试各种类型组合, 跟不开新引擎开关进行对比
 alter system flush plan cache global;
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_todays.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_todays.result
index 70d4cab605..455098d793 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_todays.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_todays.result
@@ -6,7 +6,11 @@ create table t1(col_int int, col_decimal decimal, col_varchar varchar(100),
                 col_date date, col_datetime datetime, col_timestamp timestamp,
                 col_null int);
 insert into t1 values(123, 123.123, 'invalid char', '2020-01-01 12:12:12', '0000-00-00 00:00:00.000', '2020-01-01 12:12:12.1234', null);
+Warnings:
+Warning	1265	Data truncated for column 'col_decimal' at row 1
 insert into t1 values(123, 123.123, '2020-01-01', '2019-01-01', '0000-00-00', '2020-01-01', null);
+Warnings:
+Warning	1265	Data truncated for column 'col_decimal' at row 1
 
 // to check type
 create table t2 (c1 int, c2 int unsigned, 
@@ -31,6 +35,9 @@ insert into t2 values(1, 2,
     7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '9.5', '10.5');
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"oceanbase"."t2"."c18"' at row 1
 insert into t2 values(-1, 2, 
     -1, 2, 
     -1, 2, 
@@ -42,6 +49,9 @@ insert into t2 values(-1, 2,
     -7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '9.5', '10.5');
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"oceanbase"."t2"."c18"' at row 1
 
 // sleep 2
 select col_int, to_days(col_int) from t1;
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_trunc.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_trunc.result
index ba290307f3..d18213c319 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_trunc.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_trunc.result
@@ -26,6 +26,9 @@ insert into t1 values(1, 2,
     7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '9.5', '10.5', null);
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"oceanbase"."t1"."c18"' at row 1
 insert into t1 values(-1, 2, 
     -1, 2, 
     -1, 2, 
@@ -37,6 +40,9 @@ insert into t1 values(-1, 2,
     -7.5, 8.5,
     '2019-12-01 12:00:00', '2019-12-03 06:00:00', 
     '-9.5', '10.5', null);
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"oceanbase"."t1"."c18"' at row 1
 insert into t1(c1) values(100), (123), (151);
 insert into t1(c15) values(100.156), (123.111), (151);
 insert into t1(c13) values(100.156), (123.111), (151);
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_xor.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_xor.result
index 193333b343..a33cade257 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_xor.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_xor.result
@@ -98,6 +98,9 @@ create table t (t1 tinyint,
 insert into t values (1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7,
                      '1993-03-20', '1993-03-20', '1993-03-20', '10:10:10', '1993', '0.8', '0.9', '1.0', '1.1',
                      '1.2', 1, 'b', 'b');
+Warnings:
+Warning	1265	Data truncated for column 't15' at row 1
+Warning	1265	Data truncated for column '"test"."t"."t16"' at row 1
 
 
 
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/monitoring_dump.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/monitoring_dump.result
index f21de7f585..288bf0a74c 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/monitoring_dump.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/monitoring_dump.result
@@ -1,14 +1,32 @@
 drop table t1;
 create table t1(c1 int, c2 varchar(10), c3 decimal);
 insert into t1 values(0, 'abc', '0.1');
+Warnings:
+Warning	1265	Data truncated for column 'c3' at row 1
 insert into t1 values(1, 'def', '1.1');
+Warnings:
+Warning	1265	Data truncated for column 'c3' at row 1
 insert into t1 values(2, 'ghi', '2.1');
+Warnings:
+Warning	1265	Data truncated for column 'c3' at row 1
 insert into t1 values(3, 'jkl', '3.1');
+Warnings:
+Warning	1265	Data truncated for column 'c3' at row 1
 insert into t1 values(4, 'mno', '4.1');
+Warnings:
+Warning	1265	Data truncated for column 'c3' at row 1
 insert into t1 values(5, 'pqr', '5.1');
+Warnings:
+Warning	1265	Data truncated for column 'c3' at row 1
 insert into t1 values(6, 'stu', '6.1');
+Warnings:
+Warning	1265	Data truncated for column 'c3' at row 1
 insert into t1 values(7, 'vwx', '7.1');
+Warnings:
+Warning	1265	Data truncated for column 'c3' at row 1
 insert into t1 values(8, 'yz', '8.1');
+Warnings:
+Warning	1265	Data truncated for column 'c3' at row 1
 insert into t1 values(9, null, null);
 result_format: 4
 explain_protocol: 1
diff --git a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/table_insert.result b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/table_insert.result
index 809cb4452e..4335680542 100644
--- a/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/table_insert.result
+++ b/tools/deploy/mysql_test/test_suite/static_engine/r/mysql/table_insert.result
@@ -17,8 +17,19 @@ create table t1 (c1 int primary key, c2 int unsigned,
     c21 varchar(30), c22 char(30));
 
 insert into t1 values(1, 1, 1, 1, -1, 6, 7, 8, 9, 10, -11, 12, -13.1, 14.2, -15.01, 16.10, 17.001, 18.002, '2019-10-10 10:00:00', '2019-10-10 10:00:00', '21varchar', '22char');
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"test"."t1"."c18"' at row 1
 insert into t1 values('2', '1', '1', '1', '-1', '6', '7', '8', '9', '10', '-11', '12', '-13.1', '14.2', '-15.01', '16.10', '17.001', '18.002', '2019-10-10 10:00:00', '2019-10-10 10:00:00', '21varchar', '22char');
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"test"."t1"."c18"' at row 1
 insert into t1 values('3', '1', '1', '1', '-1', '6', '7', '8', '9', '10', '-11', '12', '-13.1', '14.2', '-15.01', '16.10', '17.001', '18.002', '2019-10-10 10:00:00', '2019-10-10 10:00:00', '21varchar', '22char'), ('4', '1', '1', '1', '-1', '16', '17', '18', '19', '11', '-11', '121', '-13.11', '14.21', '-15.011', '16.101', '17.1001', '18.1002', '2019-10-10 10:00:00.00', '2019-10-10 10:00:00.000', '21varchar1', '22char1');
+Warnings:
+Warning	1265	Data truncated for column 'c17' at row 1
+Warning	1265	Data truncated for column '"test"."t1"."c18"' at row 1
+Warning	1265	Data truncated for column 'c17' at row 2
+Warning	1265	Data truncated for column '"test"."t1"."c18"' at row 2
 
 explain_protocol: 2
 EXPLAIN select * from t1;
@@ -78,9 +89,17 @@ create table t2(c1 decimal(10, 1), c2 int unsigned, c3 int);
 insert into t2 values(null, null, 1);
 insert into t2 select null, null, null from dual;
 insert into t2 select c1, c1, c1 from t1;
+Warnings:
+Warning	1265	Data truncated for column 'c1' at row 1
 insert into t2 select c2, c2, c2 from t1;
+Warnings:
+Warning	1265	Data truncated for column 'c1' at row 1
 insert into t2 select c3, c3, c3 from t1;
+Warnings:
+Warning	1265	Data truncated for column 'c1' at row 1
 insert into t2 select c4, c4, c4 from t1;
+Warnings:
+Warning	1265	Data truncated for column 'c1' at row 1
 select * from t2;
 +-------+------+------+
 | c1    | c2   | c3   |