From 8e36dde7e1f149d8973fe14d8288e678d1ba9b61 Mon Sep 17 00:00:00 2001 From: Sergey Petrunya Date: Wed, 7 Aug 2013 17:20:22 +0400 Subject: [PATCH] Better comments --- sql/sql_join_cache.h | 1 + 1 file changed, 1 insertion(+) 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