fix the issue 1786 (oceanbase#1826)

* Update ob_mvcc_row.h

modify the note of function update_dml_flag_

* fix no obvious “secure_file_priv” prompt when load data error issue 981

fix no obvious “secure_file_priv” prompt when load data error issue 981

* fix no obvious “secure_file_priv” prompt when load data error issue 981

fix no obvious “secure_file_priv” prompt when load data error issue 981

* fix no obvious “secure_file_priv” prompt when load data error issue 981

fix no obvious “secure_file_priv” prompt when load data error issue 981

* Update ob_errno.h

fix no obvious “secure_file_priv” prompt when load data error issue 981

* Update ob_errno.cpp

fix no obvious “secure_file_priv” prompt when load data error issue 981

* Update ob_resolver_utils.cpp

fix no obvious “secure_file_priv” prompt when load data error issue 981

* Update ob_log_config.h

fix the issue 1786

Author: qiuyg3

src/logservice/libobcdc/src/ob_log_config.h

@@ -111,7 +111,7 @@ class ObLogConfig : public common::ObBaseConfig
   DEF_INT(storager_queue_length, OB_CLUSTER_PARAMETER, "0", "[0,]", "storager queue length");
   DEF_INT(reader_thread_num, OB_CLUSTER_PARAMETER, "10", "[1,]", "reader thread number");
   DEF_INT(reader_queue_length, OB_CLUSTER_PARAMETER, "0", "[0,]", "reader queue length");
-  DEF_INT(br_queue_length, OB_CLUSTER_PARAMETER, "0", "[0, ]", "user_binlog_record queue length");
+  DEF_INT(br_queue_length, OB_CLUSTER_PARAMETER, "0", "[0,]", "user_binlog_record queue length");
   DEF_INT(cached_schema_version_count, OB_CLUSTER_PARAMETER, "32", "[1,]", "cached schema version count");
   DEF_INT(history_schema_version_count, OB_CLUSTER_PARAMETER, "16", "[1,]", "history schema version count");
   DEF_INT(resource_collector_thread_num, OB_CLUSTER_PARAMETER, "11", "[1,]", "resource collector thread number");