diff --git a/deps/oblib/src/common/ob_field.cpp b/deps/oblib/src/common/ob_field.cpp
index a85fe31067..10ad00c1e8 100644
--- a/deps/oblib/src/common/ob_field.cpp
+++ b/deps/oblib/src/common/ob_field.cpp
@@ -358,7 +358,12 @@ int ObField::get_field_mb_length(const ObObjType type,
         if (OB_FAIL(common::ObCharset::get_mbmaxlen_by_coll(charsetnr, mbmaxlen))) {
           LOG_WARN("fail to get mbmaxlen", K(charsetnr), K(ret));
         } else {
-          length = static_cast<uint32_t>(accuracy.get_length() * mbmaxlen);
+          if (lib::is_mysql_mode() && tc == ObTextTC) {
+            // compat mysql-jdbc 8.x for judge text type by length
+            length = static_cast<uint32_t>(ObAccuracy::MAX_ACCURACY[type].get_length() - 1);
+          } else {
+            length = static_cast<uint32_t>(accuracy.get_length() * mbmaxlen);
+          }
         }
       }
       break;
diff --git a/src/observer/mysql/obmp_stmt_execute.cpp b/src/observer/mysql/obmp_stmt_execute.cpp
index ff8f2e2253..2b670177b0 100644
--- a/src/observer/mysql/obmp_stmt_execute.cpp
+++ b/src/observer/mysql/obmp_stmt_execute.cpp
@@ -382,6 +382,7 @@ int ObMPStmtExecute::response_result_for_arraybinding(
       for (int64_t i = 0; OB_SUCC(ret) && i < arraybinding_columns_->count(); ++i) {
         ObMySQLField field;
         OZ (ObMySQLResultSet::to_mysql_field(arraybinding_columns_->at(i), field));
+        ObMySQLResultSet::replace_lob_type(session_info, arraybinding_columns_->at(i), field);
         OMPKField fp(field);
         OZ (response_packet(fp, &session_info));
       }
diff --git a/src/observer/mysql/obmp_stmt_prexecute.cpp b/src/observer/mysql/obmp_stmt_prexecute.cpp
index 94ca36e20d..689c65b392 100644
--- a/src/observer/mysql/obmp_stmt_prexecute.cpp
+++ b/src/observer/mysql/obmp_stmt_prexecute.cpp
@@ -1208,8 +1208,8 @@ int ObMPStmtPrexecute::send_param_field_packet(ObSQLSessionInfo &session,
       if (OB_FAIL(ObMySQLResultSet::to_mysql_field(ob_field, field))) {
         LOG_WARN("fail to copy param field", K(ob_field));
       } else {
-        OMPKField fp(field);
         ObMySQLResultSet::replace_lob_type(session, ob_field, field);
+        OMPKField fp(field);
         if (OB_FAIL(response_packet(fp, &session))) {
           LOG_DEBUG("response packet fail", K(ret));
         } else {
@@ -1235,6 +1235,7 @@ int ObMPStmtPrexecute::send_param_packet(ObSQLSessionInfo &session,
     param_field.type_.set_type(ObIntType); // @bug
     param_field.cname_ = ObString::make_string("?");
     OZ (ObMySQLResultSet::to_mysql_field(param_field, field));
+    ObMySQLResultSet::replace_lob_type(session, param_field, field);
     OMPKField fp(field);
     OZ (response_packet(fp, &session));
   }
diff --git a/src/sql/ob_result_set.cpp b/src/sql/ob_result_set.cpp
index d95b57c7cc..8cf6cc878c 100644
--- a/src/sql/ob_result_set.cpp
+++ b/src/sql/ob_result_set.cpp
@@ -1681,6 +1681,15 @@ void ObResultSet::replace_lob_type(const ObSQLSessionInfo &session,
       }
     }
     LOG_TRACE("init field", K(is_use_lob_locator), K(field), K(mfield.type_));
+  } else {
+    if (mfield.type_ == obmysql::EMySQLFieldType::MYSQL_TYPE_TINY_BLOB ||
+        mfield.type_ == obmysql::EMySQLFieldType::MYSQL_TYPE_MEDIUM_BLOB ||
+        mfield.type_ == obmysql::EMySQLFieldType::MYSQL_TYPE_LONG_BLOB) {
+      // compat mysql-jdbc
+      // for 5.x, always return MYSQL_TYPE_BLOB
+      // for 8.x always return MYSQL_TYPE_BLOB, and do text type judge in mysql-jdbc by length
+      mfield.type_ = obmysql::EMySQLFieldType::MYSQL_TYPE_BLOB;
+    }
   }
 }
 
diff --git a/tools/deploy/mysql_test/test_suite/meta_info/r/mysql/meta_build_in_func_test.result b/tools/deploy/mysql_test/test_suite/meta_info/r/mysql/meta_build_in_func_test.result
index 1729b456d2..e7cafe6507 100644
--- a/tools/deploy/mysql_test/test_suite/meta_info/r/mysql/meta_build_in_func_test.result
+++ b/tools/deploy/mysql_test/test_suite/meta_info/r/mysql/meta_build_in_func_test.result
@@ -265,7 +265,7 @@ def					substr(v,1)	253	512	0	Y	0	0	45
 ##cast test
 select substr(cast(date_c as char(1024)), 0) from build_in_func_test_table;
 Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
-def					substr(cast(date_c as char(1024)), 0)	251	536870908	0	Y	16	0	45
+def					substr(cast(date_c as char(1024)), 0)	252	536870910	0	Y	16	0	45
 +---------------------------------------+
 | substr(cast(date_c as char(1024)), 0) |
 +---------------------------------------+
@@ -273,7 +273,7 @@ def					substr(cast(date_c as char(1024)), 0)	251	536870908	0	Y	16	0	45
 +---------------------------------------+
 select substr(cast(date_c as char(1024)), 10) from build_in_func_test_table;
 Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
-def					substr(cast(date_c as char(1024)), 10)	251	536870908	17	Y	16	0	45
+def					substr(cast(date_c as char(1024)), 10)	252	536870910	17	Y	16	0	45
 +----------------------------------------+
 | substr(cast(date_c as char(1024)), 10) |
 +----------------------------------------+
@@ -289,7 +289,7 @@ def					substr(cast(1024 as char(1024)), 1, 2)	253	8	2	Y	0	0	45
 +----------------------------------------+
 select substr(cast(date_c as char(1024)) from 10) from build_in_func_test_table;
 Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
-def					substr(cast(date_c as char(1024)) from 10)	251	536870908	17	Y	16	0	45
+def					substr(cast(date_c as char(1024)) from 10)	252	536870910	17	Y	16	0	45
 +--------------------------------------------+
 | substr(cast(date_c as char(1024)) from 10) |
 +--------------------------------------------+
@@ -573,7 +573,7 @@ def					trim(1)	253	4	1	Y	0	0	45
 +---------+
 select trim(cast(111 as char(1024))) from build_in_func_test_table;
 Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
-def					trim(cast(111 as char(1024)))	252	65532	3	Y	16	0	45
+def					trim(cast(111 as char(1024)))	252	65535	3	Y	16	0	45
 +-------------------------------+
 | trim(cast(111 as char(1024))) |
 +-------------------------------+
@@ -581,7 +581,7 @@ def					trim(cast(111 as char(1024)))	252	65532	3	Y	16	0	45
 +-------------------------------+
 select trim(LEADING '1' from cast(111 as char(1024))) from build_in_func_test_table;
 Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
-def					trim(LEADING '1' from cast(111 as char(1024)))	252	65532	0	Y	16	0	45
+def					trim(LEADING '1' from cast(111 as char(1024)))	252	65535	0	Y	16	0	45
 +------------------------------------------------+
 | trim(LEADING '1' from cast(111 as char(1024))) |
 +------------------------------------------------+
@@ -589,7 +589,7 @@ def					trim(LEADING '1' from cast(111 as char(1024)))	252	65532	0	Y	16	0	45
 +------------------------------------------------+
 select trim(TRAILING '1' from cast(111 as char(1024))) from build_in_func_test_table;
 Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
-def					trim(TRAILING '1' from cast(111 as char(1024)))	252	65532	0	Y	16	0	45
+def					trim(TRAILING '1' from cast(111 as char(1024)))	252	65535	0	Y	16	0	45
 +-------------------------------------------------+
 | trim(TRAILING '1' from cast(111 as char(1024))) |
 +-------------------------------------------------+
@@ -2771,7 +2771,7 @@ def					unhex('123')	253	2	2	Y	128	0	63
 +--------------+
 select unhex(cast(repeat('123',5) as char(1024)));
 Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
-def					unhex(cast(repeat('123',5) as char(1024)))	251	536870911	8	Y	144	0	63
+def					unhex(cast(repeat('123',5) as char(1024)))	252	536870910	8	Y	144	0	63
 +--------------------------------------------+
 | unhex(cast(repeat('123',5) as char(1024))) |
 +--------------------------------------------+