From 8a5c24536c774789a956db3a91782206c4e85b7b Mon Sep 17 00:00:00 2001
From: "brian@zim.(none)" <>
Date: Wed, 7 Sep 2005 10:30:06 -0700
Subject: Small tweak for random read performance (we shouldn't always tell the
 OS that we will be doing a linear scan).

---
 sql/examples/ha_tina.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sql/examples/ha_tina.cc b/sql/examples/ha_tina.cc
index bbcdfb0dafb..8a9aa91c680 100644
--- a/sql/examples/ha_tina.cc
+++ b/sql/examples/ha_tina.cc
@@ -609,7 +609,8 @@ int ha_tina::rnd_init(bool scan)
   records= 0;
   chain_ptr= chain;
 #ifdef HAVE_MADVISE
-  (void)madvise(share->mapped_file,share->file_stat.st_size,MADV_SEQUENTIAL);
+  if (scan)
+    (void)madvise(share->mapped_file,share->file_stat.st_size,MADV_SEQUENTIAL);
 #endif
 
   DBUG_RETURN(0);
-- 
cgit v1.2.1