diff options
Diffstat (limited to 'sql/sql_join_cache.cc')
| -rw-r--r-- | sql/sql_join_cache.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sql/sql_join_cache.cc b/sql/sql_join_cache.cc index 731cc7267d5..f84440afa90 100644 --- a/sql/sql_join_cache.cc +++ b/sql/sql_join_cache.cc @@ -2620,7 +2620,8 @@ static void add_mrr_explain_info(String *str, uint mrr_mode, handler *file) sizeof(mrr_str_buf)); if (len > 0) { - str->append(STRING_WITH_LEN("; ")); + if (str->length()) + str->append(STRING_WITH_LEN("; ")); str->append(mrr_str_buf, len); } } |