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-rw-r--r--sql/sql_explain.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/sql/sql_explain.cc b/sql/sql_explain.cc
index 7bb04fe6be4..aa3c90c3ee1 100644
--- a/sql/sql_explain.cc
+++ b/sql/sql_explain.cc
@@ -236,7 +236,7 @@ void Explain_query::print_explain_json(select_result_sink *output,
CHARSET_INFO *cs= system_charset_info;
List<Item> item_list;
- String *buf= &writer.output;
+ const String *buf= writer.output.get_string();
item_list.push_back(new (thd->mem_root)
Item_string(thd, buf->ptr(), buf->length(), cs),
thd->mem_root);