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| author | Marko Mäkelä <marko.makela@mariadb.com> | 2020-11-02 15:48:47 +0200 |
|---|---|---|
| committer | Marko Mäkelä <marko.makela@mariadb.com> | 2020-11-02 15:48:47 +0200 |
| commit | c7f322c91faf97a9f758c288b38e1385fd89b32d (patch) | |
| tree | cf2a4cf562acffdf5b4b96d84e34f29c7f428458 /sql/sql_join_cache.cc | |
| parent | d5ce7824444b7491f420061076ae5087d4829428 (diff) | |
| parent | 8036d0a3590dddf4d51ba02bc74ba3a5a96674f7 (diff) | |
| download | mariadb-git-c7f322c91faf97a9f758c288b38e1385fd89b32d.tar.gz | |
Merge 10.2 into 10.3
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 3a509b3d750..b8b4d491b84 100644 --- a/sql/sql_join_cache.cc +++ b/sql/sql_join_cache.cc @@ -1396,7 +1396,8 @@ uint JOIN_CACHE::write_record_data(uchar * link, bool *is_full) blob_field->get_image(cp, copy->length, blob_field->charset()); DBUG_ASSERT(cp + copy->length + copy->blob_length <= buff + buff_size); - memcpy(cp+copy->length, copy->str, copy->blob_length); + if (copy->blob_length) + memcpy(cp+copy->length, copy->str, copy->blob_length); cp+= copy->length+copy->blob_length; } break; |