diff options
| author | Sergey Vojtovich <svoj@mariadb.org> | 2016-07-01 13:57:18 +0400 |
|---|---|---|
| committer | Sergey Vojtovich <svoj@mariadb.org> | 2016-09-22 10:21:12 +0400 |
| commit | e56a53920b0075f9a534610032ee05f2e249e3ae (patch) | |
| tree | cb466b5121654bce2c4b8ef47ffd8a93449bd297 /sql/table_cache.cc | |
| parent | 83d5b963bd38e327a673c5d4f4d70c8223f45dd2 (diff) | |
| download | mariadb-git-e56a53920b0075f9a534610032ee05f2e249e3ae.tar.gz | |
MDEV-10315 - Online ALTER TABLE may get stuck in tdc_remove_table
There was race condition between online ALTER TABLE and statements performing
TABLE_SHARE release without marking it flushed (e.g. in case of table cache
overflow, SET @@global.table_open_cache, manager thread purging table cache).
The reason was missing mysql_cond_broadcast().
Diffstat (limited to 'sql/table_cache.cc')
| -rw-r--r-- | sql/table_cache.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sql/table_cache.cc b/sql/table_cache.cc index 097f37d26d8..bdb7914c32b 100644 --- a/sql/table_cache.cc +++ b/sql/table_cache.cc @@ -876,6 +876,8 @@ void tdc_release_share(TABLE_SHARE *share) } if (--share->tdc.ref_count) { + if (!share->is_view) + mysql_cond_broadcast(&share->tdc.COND_release); mysql_mutex_unlock(&share->tdc.LOCK_table_share); mysql_mutex_unlock(&LOCK_unused_shares); DBUG_VOID_RETURN; |