diff options
| author | Sergey Petrunya <psergey@askmonty.org> | 2013-08-07 17:20:22 +0400 |
|---|---|---|
| committer | Sergey Petrunya <psergey@askmonty.org> | 2013-08-07 17:20:22 +0400 |
| commit | 8e36dde7e1f149d8973fe14d8288e678d1ba9b61 (patch) | |
| tree | e1e16b6526b27b5d1d2af038306210ef441601c8 /sql/sql_join_cache.h | |
| parent | 240445660844a4f641c91c147bde18df27733f2f (diff) | |
| download | mariadb-git-8e36dde7e1f149d8973fe14d8288e678d1ba9b61.tar.gz | |
Better comments
Diffstat (limited to 'sql/sql_join_cache.h')
| -rw-r--r-- | sql/sql_join_cache.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sql/sql_join_cache.h b/sql/sql_join_cache.h index 6953f6881ee..9ae54934472 100644 --- a/sql/sql_join_cache.h +++ b/sql/sql_join_cache.h @@ -69,6 +69,7 @@ class JOIN_TAB_SCAN; - Block Nested Loop (BNL) Join Algorithm, - Block Nested Loop Hash (BNLH) Join Algorithm, - Batched Key Access (BKA) Join Algorithm. + The first algorithm is supported by the derived class JOIN_CACHE_BNL, the second algorithm is supported by the derived class JOIN_CACHE_BNLH, while the third algorithm is implemented in two variant supported by |