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From:Marc Alff Date:August 26 2010 9:26pm
Subject:bzr commit into mysql-trunk-bugfixing branch (marc.alff:3244)
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#At file:///home/malff/BZR_TREE/mysql-trunk-bugfixing-merge/ based on revid:chris.powers@stripped

 3244 Marc Alff	2010-08-26 [merge]
      Merge mysql-5.5-bugfixing --> mysql-trunk-bugfixing

    added:
      mysql-test/r/handler_read_last.result
      mysql-test/t/handler_read_last.test
    modified:
      mysql-test/r/create.result
      mysql-test/r/insert_select.result
      mysql-test/r/join.result
      mysql-test/r/join_outer.result
      mysql-test/r/null_key.result
      mysql-test/r/partition.result
      mysql-test/r/select.result
      mysql-test/r/single_delete_update.result
      mysql-test/r/subselect3.result
      mysql-test/r/update.result
      sql/mysqld.cc
=== modified file 'mysql-test/r/create.result'
--- a/mysql-test/r/create.result	2010-08-18 09:35:41 +0000
+++ b/mysql-test/r/create.result	2010-08-25 19:00:38 +0000
@@ -1542,6 +1542,7 @@ show status like 'handler_read%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0

=== added file 'mysql-test/r/handler_read_last.result'
--- a/mysql-test/r/handler_read_last.result	1970-01-01 00:00:00 +0000
+++ b/mysql-test/r/handler_read_last.result	2010-08-25 19:00:38 +0000
@@ -0,0 +1,60 @@
+DROP TABLE IF EXISTS t1;
+CREATE TABLE t1 (a INT, INDEX (a));
+INSERT INTO t1 VALUES (),(),(),(),(),(),(),(),(),();
+FLUSH STATUS;
+SELECT a FROM t1 ORDER BY a LIMIT 1;
+a
+NULL
+SHOW STATUS LIKE 'HANDLER_READ%';
+Variable_name	Value
+Handler_read_first	1
+Handler_read_key	0
+Handler_read_last	0
+Handler_read_next	0
+Handler_read_prev	0
+Handler_read_rnd	0
+Handler_read_rnd_next	0
+FLUSH STATUS;
+SELECT a FROM t1 ORDER BY a DESC LIMIT 1;
+a
+NULL
+SHOW STATUS LIKE 'HANDLER_READ%';
+Variable_name	Value
+Handler_read_first	0
+Handler_read_key	0
+Handler_read_last	1
+Handler_read_next	0
+Handler_read_prev	0
+Handler_read_rnd	0
+Handler_read_rnd_next	0
+FLUSH STATUS;
+SELECT a FROM t1 ORDER BY a LIMIT 3;
+a
+NULL
+NULL
+NULL
+SHOW STATUS LIKE 'HANDLER_READ%';
+Variable_name	Value
+Handler_read_first	1
+Handler_read_key	0
+Handler_read_last	0
+Handler_read_next	2
+Handler_read_prev	0
+Handler_read_rnd	0
+Handler_read_rnd_next	0
+FLUSH STATUS;
+SELECT a FROM t1 ORDER BY a DESC LIMIT 3;
+a
+NULL
+NULL
+NULL
+SHOW STATUS LIKE 'HANDLER_READ%';
+Variable_name	Value
+Handler_read_first	0
+Handler_read_key	0
+Handler_read_last	1
+Handler_read_next	0
+Handler_read_prev	2
+Handler_read_rnd	0
+Handler_read_rnd_next	0
+DROP TABLE t1;

=== modified file 'mysql-test/r/insert_select.result'
--- a/mysql-test/r/insert_select.result	2009-09-22 21:41:37 +0000
+++ b/mysql-test/r/insert_select.result	2010-08-25 19:00:38 +0000
@@ -694,6 +694,7 @@ show status like 'Handler_read%';
 Variable_name	Value
 Handler_read_first	1
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0

=== modified file 'mysql-test/r/join.result'
--- a/mysql-test/r/join.result	2010-04-29 20:33:06 +0000
+++ b/mysql-test/r/join.result	2010-08-25 19:00:38 +0000
@@ -854,6 +854,7 @@ show status like 'Handler_read%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0

=== modified file 'mysql-test/r/join_outer.result'
--- a/mysql-test/r/join_outer.result	2010-06-01 07:57:23 +0000
+++ b/mysql-test/r/join_outer.result	2010-08-25 19:00:38 +0000
@@ -1238,6 +1238,7 @@ show status like 'Handler_read%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	5
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0

=== modified file 'mysql-test/r/null_key.result'
--- a/mysql-test/r/null_key.result	2008-03-11 12:47:16 +0000
+++ b/mysql-test/r/null_key.result	2010-08-25 19:00:38 +0000
@@ -424,6 +424,7 @@ SHOW STATUS LIKE "handler_read%";
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	6
+Handler_read_last	0
 Handler_read_next	2
 Handler_read_prev	0
 Handler_read_rnd	0

=== modified file 'mysql-test/r/partition.result'
--- a/mysql-test/r/partition.result	2010-05-28 05:49:57 +0000
+++ b/mysql-test/r/partition.result	2010-08-26 21:26:02 +0000
@@ -359,6 +359,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	2
+Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -377,6 +378,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	2
+Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -407,6 +409,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	1
+Handler_read_last	0
 Handler_read_next	2
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -423,6 +426,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	1
+Handler_read_last	0
 Handler_read_next	2
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -439,6 +443,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	1
+Handler_read_last	0
 Handler_read_next	2
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -455,6 +460,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	1
+Handler_read_last	0
 Handler_read_next	2
 Handler_read_prev	0
 Handler_read_rnd	0

=== modified file 'mysql-test/r/select.result'
--- a/mysql-test/r/select.result	2010-07-15 13:47:50 +0000
+++ b/mysql-test/r/select.result	2010-08-25 19:00:38 +0000
@@ -4338,6 +4338,7 @@ SHOW STATUS LIKE 'Handler_read%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	2
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0

=== modified file 'mysql-test/r/single_delete_update.result'
--- a/mysql-test/r/single_delete_update.result	2010-06-22 20:32:29 +0000
+++ b/mysql-test/r/single_delete_update.result	2010-08-25 19:00:38 +0000
@@ -25,6 +25,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	1
+Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -41,6 +42,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	1
+Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -74,6 +76,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -90,6 +93,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	5
@@ -120,6 +124,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -136,6 +141,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	1
@@ -170,6 +176,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	1
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -186,6 +193,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	1
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -214,6 +222,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -230,6 +239,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	1
@@ -256,6 +266,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	1
@@ -272,6 +283,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	1
@@ -301,6 +313,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	2
+Handler_read_last	0
 Handler_read_next	7
 Handler_read_prev	0
 Handler_read_rnd	4
@@ -322,6 +335,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	2
+Handler_read_last	0
 Handler_read_next	7
 Handler_read_prev	0
 Handler_read_rnd	8
@@ -357,6 +371,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	1
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	4
 Handler_read_rnd	0
@@ -373,6 +388,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	1
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	4
 Handler_read_rnd	0
@@ -406,6 +422,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -422,6 +439,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	5
@@ -464,6 +482,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	1
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -486,6 +505,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	1
 Handler_read_next	0
 Handler_read_prev	4
 Handler_read_rnd	0
@@ -502,6 +522,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	1
 Handler_read_next	0
 Handler_read_prev	4
 Handler_read_rnd	0
@@ -536,6 +557,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	1
+Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -552,6 +574,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	1
+Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	5
@@ -590,6 +613,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -606,6 +630,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	5
@@ -641,6 +666,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -657,6 +683,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	1
@@ -691,6 +718,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	1
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -707,6 +735,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	1
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	5
@@ -735,6 +764,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -751,6 +781,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	1
@@ -778,6 +809,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	1
@@ -794,6 +826,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	1
@@ -824,6 +857,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	2
+Handler_read_last	0
 Handler_read_next	7
 Handler_read_prev	0
 Handler_read_rnd	4
@@ -845,6 +879,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	2
+Handler_read_last	0
 Handler_read_next	7
 Handler_read_prev	0
 Handler_read_rnd	8
@@ -884,6 +919,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	1
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	4
 Handler_read_rnd	0
@@ -900,6 +936,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	1
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	4
 Handler_read_rnd	5
@@ -938,6 +975,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -954,6 +992,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	5
@@ -990,6 +1029,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	1
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	4
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -1012,6 +1052,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	1
 Handler_read_next	0
 Handler_read_prev	4
 Handler_read_rnd	0
@@ -1028,6 +1069,7 @@ SHOW STATUS LIKE 'Handler_read_%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	1
 Handler_read_next	0
 Handler_read_prev	4
 Handler_read_rnd	5

=== modified file 'mysql-test/r/subselect3.result'
--- a/mysql-test/r/subselect3.result	2010-03-24 15:03:44 +0000
+++ b/mysql-test/r/subselect3.result	2010-08-25 19:00:38 +0000
@@ -113,6 +113,7 @@ show status like '%Handler_read%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0

=== modified file 'mysql-test/r/update.result'
--- a/mysql-test/r/update.result	2010-07-19 09:21:24 +0000
+++ b/mysql-test/r/update.result	2010-08-25 19:00:38 +0000
@@ -273,6 +273,7 @@ show status like 'handler_read%';
 Variable_name	Value
 Handler_read_first	1
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -284,6 +285,7 @@ show status like 'handler_read%';
 Variable_name	Value
 Handler_read_first	1
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	2
@@ -294,6 +296,7 @@ show status like 'handler_read%';
 Variable_name	Value
 Handler_read_first	1
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -304,6 +307,7 @@ show status like 'handler_read%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	1
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -315,6 +319,7 @@ show status like 'handler_read%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	0
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	1
@@ -368,6 +373,7 @@ show status like 'handler_read%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	1
+Handler_read_last	0
 Handler_read_next	1
 Handler_read_prev	0
 Handler_read_rnd	1
@@ -405,6 +411,7 @@ show status like '%Handler_read%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	1
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -415,6 +422,7 @@ show status like '%Handler_read%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	2
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -424,6 +432,7 @@ show status like '%Handler_read%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	3
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
@@ -433,6 +442,7 @@ show status like '%Handler_read%';
 Variable_name	Value
 Handler_read_first	0
 Handler_read_key	3
+Handler_read_last	0
 Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0

=== added file 'mysql-test/t/handler_read_last.test'
--- a/mysql-test/t/handler_read_last.test	1970-01-01 00:00:00 +0000
+++ b/mysql-test/t/handler_read_last.test	2010-08-25 19:00:38 +0000
@@ -0,0 +1,40 @@
+# Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
+
+--disable_warnings
+DROP TABLE IF EXISTS t1;
+--enable_warnings
+
+CREATE TABLE t1 (a INT, INDEX (a));
+INSERT INTO t1 VALUES (),(),(),(),(),(),(),(),(),();
+
+FLUSH STATUS;
+SELECT a FROM t1 ORDER BY a LIMIT 1;
+SHOW STATUS LIKE 'HANDLER_READ%';
+
+FLUSH STATUS;
+SELECT a FROM t1 ORDER BY a DESC LIMIT 1;
+SHOW STATUS LIKE 'HANDLER_READ%';
+
+FLUSH STATUS;
+SELECT a FROM t1 ORDER BY a LIMIT 3;
+SHOW STATUS LIKE 'HANDLER_READ%';
+
+FLUSH STATUS;
+SELECT a FROM t1 ORDER BY a DESC LIMIT 3;
+SHOW STATUS LIKE 'HANDLER_READ%';
+
+DROP TABLE t1;
+

=== modified file 'sql/mysqld.cc'
--- a/sql/mysqld.cc	2010-08-20 08:48:59 +0000
+++ b/sql/mysqld.cc	2010-08-26 21:26:02 +0000
@@ -6590,6 +6590,7 @@ SHOW_VAR status_vars[]= {
   {"Handler_prepare",          (char*) offsetof(STATUS_VAR, ha_prepare_count),  SHOW_LONG_STATUS},
   {"Handler_read_first",       (char*) offsetof(STATUS_VAR, ha_read_first_count), SHOW_LONG_STATUS},
   {"Handler_read_key",         (char*) offsetof(STATUS_VAR, ha_read_key_count), SHOW_LONG_STATUS},
+  {"Handler_read_last",        (char*) offsetof(STATUS_VAR, ha_read_last_count), SHOW_LONG_STATUS},
   {"Handler_read_next",        (char*) offsetof(STATUS_VAR, ha_read_next_count), SHOW_LONG_STATUS},
   {"Handler_read_prev",        (char*) offsetof(STATUS_VAR, ha_read_prev_count), SHOW_LONG_STATUS},
   {"Handler_read_rnd",         (char*) offsetof(STATUS_VAR, ha_read_rnd_count), SHOW_LONG_STATUS},


Attachment: [text/bzr-bundle] bzr/marc.alff@oracle.com-20100826212602-bbknhiu5jru2mbh2.bundle
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bzr commit into mysql-trunk-bugfixing branch (marc.alff:3244) Marc Alff26 Aug