bugfix : json_object, json_query, json_objectagg

2023-11-22 07:10:37 +00:00
parent 72ec4556de
commit 28fc6f4729
2 changed files with 9 additions and 2 deletions
--- a/src/sql/engine/aggregate/ob_aggregate_processor.cpp
+++ b/src/sql/engine/aggregate/ob_aggregate_processor.cpp
@ -7056,7 +7056,7 @@ int ObAggregateProcessor::get_ora_json_objectagg_result(const ObAggrInfo &aggr_i

          bool need_key_string_convert = (ObCharset::charset_type_by_coll(cs_type_key) != CHARSET_UTF8MB4);

-          if (OB_ISNULL(key_string.ptr())) {
+          if (OB_ISNULL(key_string.ptr()) || key_string.length() ==  0) {
            ret = OB_ERR_NULL_VALUE;
            LOG_WARN("unexpected null result", K(ret));
          } else if (is_absent_on_null && ob_is_null(type_value)) {