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| author | Marko Mäkelä <marko.makela@mariadb.com> | 2020-11-03 14:49:17 +0200 |
|---|---|---|
| committer | Marko Mäkelä <marko.makela@mariadb.com> | 2020-11-03 14:49:17 +0200 |
| commit | 533a13af069d8c9e6c5f4e1a72851497185ade03 (patch) | |
| tree | 4623752e0c114e582fbbc0afcc02b67dede26b50 /sql/sql_select.cc | |
| parent | 4b3690b50433a169d9feed5dc45044a8934b5582 (diff) | |
| parent | e6290a8270daf884f551230307225b358939bfab (diff) | |
| download | mariadb-git-533a13af069d8c9e6c5f4e1a72851497185ade03.tar.gz | |
Merge 10.3 into 10.4
Diffstat (limited to 'sql/sql_select.cc')
| -rw-r--r-- | sql/sql_select.cc | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sql/sql_select.cc b/sql/sql_select.cc index 8c27b023c93..7c729769cd2 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -27798,10 +27798,10 @@ JOIN::reoptimize(Item *added_where, table_map join_tables, if (save_to) { DBUG_ASSERT(!keyuse.elements); - memcpy(keyuse.buffer, - save_to->keyuse.buffer, - (size_t) save_to->keyuse.elements * keyuse.size_of_element); keyuse.elements= save_to->keyuse.elements; + if (size_t e= keyuse.elements) + memcpy(keyuse.buffer, + save_to->keyuse.buffer, e * keyuse.size_of_element); } /* Add the new access methods to the keyuse array. */ |