Merge with MYSQL 5.1.61

Fixed README with link to source
Merged InnoDB change to XtraDB

README:
  Added information of where to find MariaDB code
storage/archive/ha_archive.cc:
  Removed memset() of rows, a MariaDB checksum's doesn't touch not used data.

mysql-test/r/archive.result

@@ -12782,3 +12782,22 @@ a	b	c	d	e	f
 -1	b	c	d	e	1
 DROP TABLE t1;
 SET sort_buffer_size=DEFAULT;
+#
+# BUG#11758979 - 51252: ARCHIVE TABLES CAUSE 100% CPU USAGE
+#                       AND HANG IN SHOW TABLE STATUS
+# (to be executed with valgrind)
+CREATE TABLE t1(a BLOB, b VARCHAR(200)) ENGINE=ARCHIVE;
+INSERT INTO t1 VALUES(NULL, '');
+FLUSH TABLE t1;
+# we need this select to workaround BUG#11764364
+SELECT * FROM t1;
+a	b
+NULL	
+CHECKSUM TABLE t1 EXTENDED;
+Table	Checksum
+test.t1	286155052
+FLUSH TABLE t1;
+OPTIMIZE TABLE t1;
+Table	Op	Msg_type	Msg_text
+test.t1	optimize	status	OK
+DROP TABLE t1;

mysql-test/r/key_cache.result

@@ -365,3 +365,19 @@ Variable_name	Value
 key_cache_block_size	1536
 SET GLOBAL key_cache_block_size= @bug28478_key_cache_block_size;
 DROP TABLE t1;
+#
+# Bug#12361113: crash when load index into cache
+#
+# Note that this creates an empty disabled key cache!
+SET GLOBAL key_cache_none.key_cache_block_size = 1024;
+CREATE TABLE t1 (a INT, b INTEGER NOT NULL, KEY (b) ) ENGINE = MYISAM;
+INSERT INTO t1 VALUES (1, 1);
+CACHE INDEX t1 in key_cache_none;
+ERROR HY000: Unknown key cache 'key_cache_none'
+# The bug crashed the server at LOAD INDEX below. Now it will succeed 
+# since the default cache is used due to CACHE INDEX failed for
+# key_cache_none.
+LOAD INDEX INTO CACHE t1;
+Table	Op	Msg_type	Msg_text
+test.t1	preload_keys	status	OK
+DROP TABLE t1;

mysql-test/r/mysqlcheck.result

@@ -139,6 +139,7 @@ DROP TABLE `@`;
 CREATE TABLE `я` (a INT);
 SET NAMES DEFAULT;
 mysqlcheck --default-character-set="latin1" --databases test
+call mtr.add_suppression("Can't find file: '..test.@003f.frm'");
 test.?
 Error    : Table doesn't exist
 status   : Operation failed

mysql-test/suite/innodb/r/innodb.result

@@ -2371,3 +2371,8 @@ t1	CREATE TABLE `t1` (
 ) ENGINE=InnoDB DEFAULT CHARSET=latin1
 drop table t1;
 set storage_engine=MyISAM;
+Variable_name	Value
+Handler_read_key	0
+f1
+Variable_name	Value
+Handler_read_key	1

mysql-test/suite/innodb/t/innodb.test

@@ -1394,6 +1394,17 @@ eval set storage_engine=$default;
 -- disable_query_log
 SET GLOBAL innodb_thread_concurrency = @innodb_thread_concurrency_orig;
 
+#
+# Test fix for bug 13117023. InnoDB increments HA_READ_KEY_COUNT (aka
+# HANDLER_READ_KEY) when it should not.
+#
+create table t1 (f1 integer primary key) engine=innodb;
+flush status;
+show status like "handler_read_key";
+select f1 from t1;
+show status like "handler_read_key";
+drop table t1;
+
 #######################################################################
 #                                                                     #
 # Please, DO NOT TOUCH this file as well as the innodb.result file.   #

mysql-test/suite/innodb_plugin/r/innodb.result

@@ -3257,3 +3257,14 @@ Handler_update	1
 Variable_name	Value
 Handler_delete	1
 DROP TABLE bug58912;
+create table t1 (f1 integer primary key) engine=innodb;
+flush status;
+show status like "handler_read_key";
+Variable_name	Value
+Handler_read_key	0
+select f1 from t1;
+f1
+show status like "handler_read_key";
+Variable_name	Value
+Handler_read_key	1
+drop table t1;

mysql-test/suite/innodb_plugin/t/innodb.test

@@ -2573,6 +2573,17 @@ SET GLOBAL innodb_thread_concurrency = @innodb_thread_concurrency_orig;
 # Clean up after the Bug#55284/Bug#58912 test case.
 DROP TABLE bug58912;
 
+#
+# Test fix for bug 13117023. InnoDB increments HA_READ_KEY_COUNT (aka
+# HANDLER_READ_KEY) when it should not.
+#
+create table t1 (f1 integer primary key) engine=innodb;
+flush status;
+show status like "handler_read_key";
+select f1 from t1;
+show status like "handler_read_key";
+drop table t1;
+
 #######################################################################
 #                                                                     #
 # Please, DO NOT TOUCH this file as well as the innodb.result file.   #

mysql-test/t/archive.test

@@ -1713,3 +1713,17 @@ INSERT INTO t1 SELECT t1.* FROM t1,t1 t2,t1 t3,t1 t4,t1 t5,t1 t6;
 SELECT * FROM t1 ORDER BY f LIMIT 1;
 DROP TABLE t1;
 SET sort_buffer_size=DEFAULT;
+
+--echo #
+--echo # BUG#11758979 - 51252: ARCHIVE TABLES CAUSE 100% CPU USAGE
+--echo #                       AND HANG IN SHOW TABLE STATUS
+--echo # (to be executed with valgrind)
+CREATE TABLE t1(a BLOB, b VARCHAR(200)) ENGINE=ARCHIVE;
+INSERT INTO t1 VALUES(NULL, '');
+FLUSH TABLE t1;
+--echo # we need this select to workaround BUG#11764364
+SELECT * FROM t1;
+CHECKSUM TABLE t1 EXTENDED;
+FLUSH TABLE t1;
+OPTIMIZE TABLE t1;
+DROP TABLE t1;

mysql-test/t/disabled.def

@@ -12,4 +12,3 @@
 kill                     : Bug#11748945 2008-12-03 HHunger need some changes to be robust enough for pushbuild.
 read_many_rows_innodb    : Bug#11748886 2010-11-15 mattiasj report already exists
 main.log_tables-big      : Bug#11756699 2010-11-15 mattiasj report already exists
-

mysql-test/t/key_cache.test

@@ -248,3 +248,19 @@ SET GLOBAL key_cache_block_size= @bug28478_key_cache_block_size;
 DROP TABLE t1;
 
 # End of 4.1 tests
+
+--echo #
+--echo # Bug#12361113: crash when load index into cache
+--echo #
+
+--echo # Note that this creates an empty disabled key cache!
+SET GLOBAL key_cache_none.key_cache_block_size = 1024;
+CREATE TABLE t1 (a INT, b INTEGER NOT NULL, KEY (b) ) ENGINE = MYISAM;
+INSERT INTO t1 VALUES (1, 1);
+--error ER_UNKNOWN_KEY_CACHE
+CACHE INDEX t1 in key_cache_none;
+--echo # The bug crashed the server at LOAD INDEX below. Now it will succeed 
+--echo # since the default cache is used due to CACHE INDEX failed for
+--echo # key_cache_none.
+LOAD INDEX INTO CACHE t1;
+DROP TABLE t1;

mysql-test/t/merge.test

@@ -1848,9 +1848,13 @@ CREATE TABLE t1(a INT);
 --echo # Test reattach merge failure
 LOCK TABLES m1 READ;
 --echo # Replace 't1' with 't3' table using file operations.
-remove_file $MYSQLD_DATADIR/test/t1.frm;
-remove_file $MYSQLD_DATADIR/test/t1.MYI;
-remove_file $MYSQLD_DATADIR/test/t1.MYD;
+# move + remove is a work around for windows.
+move_file $MYSQLD_DATADIR/test/t1.frm $MYSQLD_DATADIR/test/oldt1.frm;
+move_file $MYSQLD_DATADIR/test/t1.MYI $MYSQLD_DATADIR/test/oldt1.MYI;
+move_file $MYSQLD_DATADIR/test/t1.MYD $MYSQLD_DATADIR/test/oldt1.MYD;
+remove_file $MYSQLD_DATADIR/test/oldt1.frm;
+remove_file $MYSQLD_DATADIR/test/oldt1.MYI;
+remove_file $MYSQLD_DATADIR/test/oldt1.MYD;
 copy_file $MYSQLD_DATADIR/test/t3.frm $MYSQLD_DATADIR/test/t1.frm;
 copy_file $MYSQLD_DATADIR/test/t3.MYI $MYSQLD_DATADIR/test/t1.MYI;
 copy_file $MYSQLD_DATADIR/test/t3.MYD $MYSQLD_DATADIR/test/t1.MYD;

mysql-test/t/mysqlcheck.test

@@ -138,6 +138,7 @@ CREATE TABLE `я` (a INT);
 SET NAMES DEFAULT;
 --echo mysqlcheck --default-character-set="latin1" --databases test
 # Error returned depends on platform, replace it with "Table doesn't exist"
+call mtr.add_suppression("Can't find file: '..test.@003f.frm'");
 --replace_result "Can't find file: './test/@003f.frm' (errno: 22)" "Table doesn't exist" "Table 'test.?' doesn't exist" "Table doesn't exist"
 --exec $MYSQL_CHECK --default-character-set="latin1" --databases test
 --echo mysqlcheck --default-character-set="utf8" --databases test