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| author | Oleksandr Byelkin <sanja@mariadb.com> | 2017-02-28 17:39:28 +0100 |
|---|---|---|
| committer | Oleksandr Byelkin <sanja@mariadb.com> | 2017-02-28 20:52:26 +0100 |
| commit | 75f6067e89d7a777e7c1a1580a833aacc501d290 (patch) | |
| tree | 4127227514ffca156423953a9897d3222dab9db4 /sql/sql_select.cc | |
| parent | 5a0fff50f87e20c4e95a84143a0a3bb67e03e29e (diff) | |
| download | mariadb-git-75f6067e89d7a777e7c1a1580a833aacc501d290.tar.gz | |
MDEV-9635: Server crashes in part_of_refkey or assertion `!created && key_to_save < (int)s->keys' failed in TABLE::use_index(int) or with join_cache_level>2
Do not try to create index where ref is for hash join.
Diffstat (limited to 'sql/sql_select.cc')
| -rw-r--r-- | sql/sql_select.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sql/sql_select.cc b/sql/sql_select.cc index 4133c8258a2..43b3b6bf47b 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -9422,7 +9422,7 @@ void JOIN::drop_unused_derived_keys() continue; if (!table->pos_in_table_list->is_materialized_derived()) continue; - if (table->max_keys > 1) + if (table->max_keys > 1 && !tab->is_ref_for_hash_join()) table->use_index(tab->ref.key); if (table->s->keys) { |