Merge mariadb-5.5 -> 10.0-base.

2012-12-16 16:49:19 -08:00 · 2012-12-16 16:49:19 -08:00 · 7760efad74
commit 7760efad74
parent 40bbf697aa b8b875cb79
303 changed files with 12801 additions and 2087 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -320,6 +320,10 @@ IF(NOT WITHOUT_SERVER)
  ADD_SUBDIRECTORY(mysql-test)
  ADD_SUBDIRECTORY(mysql-test/lib/My/SafeProcess)
  ADD_SUBDIRECTORY(sql-bench)
+
+  IF(EXISTS ${CMAKE_SOURCE_DIR}/internal/CMakeLists.txt)
+    ADD_SUBDIRECTORY(internal)
+  ENDIF()
 ENDIF()

 IF(UNIX)
--- a/client/mysql.cc
+++ b/client/mysql.cc
@ -1,6 +1,6 @@
-/* Copyright (C) 2000-2009 MySQL AB
-   Copyright 2000, 2010-2011, Oracle and/or its affiliates.
-   Copyright 2000-2010 Monty Program Ab
+/*
+   Copyright (c) 2000, 2012, Oracle and/or its affiliates.
+   Copyright (c) 2009, 2012, Monty Program Ab.

   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
@ -15,10 +15,6 @@
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

-#define COPYRIGHT_NOTICE "\
-This software comes with ABSOLUTELY NO WARRANTY. This is free software,\n\
-and you are welcome to modify and redistribute it under the GPL v2 license\n"
-
 /* mysql command tool
 * Commands compatible with mSQL by David J. Hughes
 *
@ -111,6 +107,7 @@ extern "C" {
 #endif

 #include "completion_hash.h"
+#include <welcome_copyright_notice.h> // ORACLE_WELCOME_COPYRIGHT_NOTICE

 #define PROMPT_CHAR '\\'
 #define DEFAULT_DELIMITER ";"
@ -1193,7 +1190,7 @@ int main(int argc,char *argv[])
 	  mysql_thread_id(&mysql), server_version_string(&mysql));
  put_info((char*) glob_buffer.ptr(),INFO_INFO);

-  put_info(COPYRIGHT_NOTICE, INFO_INFO);
+  put_info(ORACLE_WELCOME_COPYRIGHT_NOTICE("2000"), INFO_INFO);

 #ifdef HAVE_READLINE
  initialize_readline((char*) my_progname);
@ -1624,7 +1621,7 @@ static void usage(int version)

  if (version)
    return;
-  printf("%s", COPYRIGHT_NOTICE);
+  puts(ORACLE_WELCOME_COPYRIGHT_NOTICE("2000"));
  printf("Usage: %s [OPTIONS] [database]\n", my_progname);
  my_print_help(my_long_options);
  print_defaults("my", load_default_groups);
@ -2808,7 +2805,7 @@ static int com_server_help(String *buffer __attribute__((unused)),
 			   char *line __attribute__((unused)), char *help_arg)
 {
  MYSQL_ROW cur;
-  const char *server_cmd= buffer->ptr();
+  const char *server_cmd;
  char cmd_buf[100 + 1];
  MYSQL_RES *result;
  int error;
@ -2823,9 +2820,12 @@ static int com_server_help(String *buffer __attribute__((unused)),
 		*++end_arg= '\0';
 	}
 	(void) strxnmov(cmd_buf, sizeof(cmd_buf), "help '", help_arg, "'", NullS);
-    server_cmd= cmd_buf;
  }
-  
+  else
+    (void) strxnmov(cmd_buf, sizeof(cmd_buf), "help ", help_arg, NullS);
+
+  server_cmd= cmd_buf;
+
  if (!status.batch)
  {
    old_buffer= *buffer;
@ -2893,6 +2893,11 @@ static int com_server_help(String *buffer __attribute__((unused)),
    else
    {
      put_info("\nNothing found", INFO_INFO);
+      if (strncasecmp(server_cmd, "help 'contents'", 15) == 0)
+      {
+         put_info("\nPlease check if 'help tables' are loaded.\n", INFO_INFO); 
+         goto err;
+      }
      put_info("Please try to run 'help contents' for a list of all accessible topics\n", INFO_INFO);
    }
  }
--- a/client/mysql_upgrade.c
+++ b/client/mysql_upgrade.c
@ -1,7 +1,6 @@
 /*
-   Copyright (C) 2000 MySQL AB
-   Copyright (c) 2006, 2011, Oracle and/or its affiliates.
-   Copyright (C) 2010-2011 Monty Program Ab
+   Copyright (c) 2006, 2012, Oracle and/or its affiliates.
+   Copyright (C) 2010, 2012, Monty Program Ab.

   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
@ -252,7 +251,7 @@ get_one_option(int optid, const struct my_option *opt,
  case '?':
    printf("%s  Ver %s Distrib %s, for %s (%s)\n",
           my_progname, VER, MYSQL_SERVER_VERSION, SYSTEM_TYPE, MACHINE_TYPE);
-    puts(ORACLE_WELCOME_COPYRIGHT_NOTICE("2000, 2010"));
+    puts(ORACLE_WELCOME_COPYRIGHT_NOTICE("2000"));
    puts("MariaDB utility for upgrading databases to new MariaDB versions.\n");
    my_print_help(my_long_options);
    die(0);
--- a/client/mysqladmin.cc
+++ b/client/mysqladmin.cc
@ -1,5 +1,6 @@
 /*
-   Copyright (c) 2000, 2011, Oracle and/or its affiliates.
+   Copyright (c) 2000, 2012, Oracle and/or its affiliates.
+   Copyright (c) 2010, 2012, Monty Program Ab.

   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
@ -22,6 +23,7 @@
 #include <sys/stat.h>
 #include <mysql.h>
 #include <sql_common.h>
+#include <welcome_copyright_notice.h>           /* ORACLE_WELCOME_COPYRIGHT_NOTICE */

 #define ADMIN_VERSION "9.1"
 #define MAX_MYSQL_VAR 512
@ -704,9 +706,7 @@ static int execute_commands(MYSQL *mysql,int argc, char **argv)
    case ADMIN_VER:
      new_line=1;
      print_version();
-      puts("Copyright 2000-2008 MySQL AB, 2008 Sun Microsystems, Inc,\n"
-           "2009 Monty Program Ab");
-      puts("This software comes with ABSOLUTELY NO WARRANTY. This is free software,\nand you are welcome to modify and redistribute it under the GPL license\n");
+      puts(ORACLE_WELCOME_COPYRIGHT_NOTICE("2000"));
      printf("Server version\t\t%s\n", mysql_get_server_info(mysql));
      printf("Protocol version\t%d\n", mysql_get_proto_info(mysql));
      printf("Connection\t\t%s\n",mysql_get_host_info(mysql));
@ -1219,9 +1219,7 @@ static void print_version(void)
 static void usage(void)
 {
  print_version();
-  puts("Copyright 2000-2008 MySQL AB, 2008 Sun Microsystems, Inc,\n"
-       "2009 Monty Program Ab");
-  puts("This software comes with ABSOLUTELY NO WARRANTY. This is free software,\nand you are welcome to modify and redistribute it under the GPL license\n");
+  puts(ORACLE_WELCOME_COPYRIGHT_NOTICE("2000"));
  puts("Administration program for the mysqld daemon.");
  printf("Usage: %s [OPTIONS] command command....\n", my_progname);
  my_print_help(my_long_options);
--- a/client/mysqlbinlog.cc
+++ b/client/mysqlbinlog.cc
@ -38,6 +38,9 @@
 #include "sql_priv.h"
 #include "log_event.h"
 #include "sql_common.h"
+#include "my_dir.h"
+#include <welcome_copyright_notice.h> // ORACLE_WELCOME_COPYRIGHT_NOTICE
+

 #include "sql_string.h"   // needed for Rpl_filter
 #include "sql_list.h"     // needed for Rpl_filter
@ -1501,10 +1504,7 @@ static void print_version()
 static void usage()
 {
  print_version();
-  puts("By Monty and Sasha, for your professional use\n\
-This software comes with NO WARRANTY:  This is free software,\n\
-and you are welcome to modify and redistribute it under the GPL license.\n");
-
+  puts(ORACLE_WELCOME_COPYRIGHT_NOTICE("2000"));
  printf("\
 Dumps a MySQL binary log in a format usable for viewing or for piping to\n\
 the mysql command line client.\n\n");
@ -2087,6 +2087,7 @@ static Exit_status check_header(IO_CACHE* file,
  uchar header[BIN_LOG_HEADER_SIZE];
  uchar buf[PROBE_HEADER_LEN];
  my_off_t tmp_pos, pos;
+  MY_STAT my_file_stat;

  delete glob_description_event;
  if (!(glob_description_event= new Format_description_log_event(3)))
@ -2096,7 +2097,16 @@ static Exit_status check_header(IO_CACHE* file,
  }

  pos= my_b_tell(file);
-  my_b_seek(file, (my_off_t)0);
+
+  /* fstat the file to check if the file is a regular file. */
+  if (my_fstat(file->file, &my_file_stat, MYF(0)) == -1)
+  {
+    error("Unable to stat the file.");
+    return ERROR_STOP;
+  }
+  if ((my_file_stat.st_mode & S_IFMT) == S_IFREG)
+    my_b_seek(file, (my_off_t)0);
+
  if (my_b_read(file, header, sizeof(header)))
  {
    error("Failed reading header; probably an empty file.");
--- a/client/mysqlcheck.c
+++ b/client/mysqlcheck.c
@ -1,6 +1,6 @@
-/* Copyright (C) 2000 MySQL AB & Jani Tolonen
-   Copyright (c) 2001, 2011, Oracle and/or its affiliates.
-   Copyright (C) 2010-2011 Monty Program Ab
+/*
+   Copyright (c) 2001, 2012, Oracle and/or its affiliates.
+   Copyright (c) 2010, 2011, Monty Program Ab.

   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
@ -25,6 +25,7 @@
 #include <mysql_version.h>
 #include <mysqld_error.h>
 #include <sslopt-vars.h>
+#include <welcome_copyright_notice.h> /* ORACLE_WELCOME_COPYRIGHT_NOTICE */

 /* Exit codes */

@ -229,13 +230,7 @@ static void usage(void)
 {
  DBUG_ENTER("usage");
  print_version();
-  puts("By Jani Tolonen, 2001-04-20, MySQL Development Team.\n");
-  puts("This software comes with ABSOLUTELY NO WARRANTY. This is free software,");
-  puts("and you are welcome to modify and redistribute it under the GPL license.\n");
-  printf("Usage: %s [OPTIONS] database [tables]\n", my_progname);
-  printf("OR     %s [OPTIONS] --databases DB1 [DB2 DB3...]\n",
-	 my_progname);
-  printf("OR     %s [OPTIONS] --all-databases\n\n", my_progname);
+  puts(ORACLE_WELCOME_COPYRIGHT_NOTICE("2000"));
  puts("This program can be used to CHECK (-c, -m, -C), REPAIR (-r), ANALYZE (-a),");
  puts("or OPTIMIZE (-o) tables. Some of the options (like -e or -q) can be");
  puts("used at the same time. Not all options are supported by all storage engines.");
--- a/client/mysqldump.c
+++ b/client/mysqldump.c
@ -1,5 +1,6 @@
 /*
   Copyright (c) 2000, 2012, Oracle and/or its affiliates.
+   Copyright (c) 2010, 2012, Monty Program Ab.

   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
@ -616,8 +617,7 @@ static void short_usage_sub(void)
 static void usage(void)
 {
  print_version();
-  puts("By Igor Romanenko, Monty, Jani & Sinisa and others.");
-  puts("This software comes with ABSOLUTELY NO WARRANTY. This is free software,\nand you are welcome to modify and redistribute it under the GPL license.\n");
+  puts(ORACLE_WELCOME_COPYRIGHT_NOTICE("2000"));
  puts("Dumping structure and contents of MySQL databases and tables.");
  short_usage_sub();
  print_defaults("my",load_default_groups);
--- a/client/mysqlimport.c
+++ b/client/mysqlimport.c
@ -1,5 +1,5 @@
 /*
-   Copyright (c) 2000, 2011, Oracle and/or its affiliates.
+   Copyright (c) 2000, 2012, Oracle and/or its affiliates.

   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
@ -208,7 +208,8 @@ static void usage(void)
  puts("Copyright 2000-2008 MySQL AB, 2008 Sun Microsystems, Inc.");
  puts("Copyright 2008-2011 Oracle and Monty Program Ab.");
  print_version();
-  printf("\n\
+  puts(ORACLE_WELCOME_COPYRIGHT_NOTICE("2000"));
+  printf("\
 Loads tables from text files in various formats.  The base name of the\n\
 text file must be the name of the table that should be used.\n\
 If one uses sockets to connect to the MySQL server, the server will open and\n\
--- a/client/mysqlshow.c
+++ b/client/mysqlshow.c
@ -1,5 +1,6 @@
 /*
-   Copyright (c) 2000, 2011, Oracle and/or its affiliates.
+   Copyright (c) 2000, 2012, Oracle and/or its affiliates.
+   Copyright (c) 2010, 2012, Monty Program Ab

   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
@ -27,6 +28,7 @@
 #include <signal.h>
 #include <stdarg.h>
 #include <sslopt-vars.h>
+#include <welcome_copyright_notice.h>   /* ORACLE_WELCOME_COPYRIGHT_NOTICE */

 static char * host=0, *opt_password=0, *user=0;
 static my_bool opt_show_keys= 0, opt_compress= 0, opt_count=0, opt_status= 0;
@ -266,9 +268,7 @@ static void print_version(void)
 static void usage(void)
 {
  print_version();
-  puts("Copyright 2000-2008 MySQL AB, 2008 Sun Microsystems, Inc.");
-  puts("Copyright 2008-2011 Oracle and Monty Program Ab.");
-  puts("This software comes with ABSOLUTELY NO WARRANTY. This is free software,\nand you are welcome to modify and redistribute it under the GPL license.\n");
+  puts(ORACLE_WELCOME_COPYRIGHT_NOTICE("2000"));
  puts("Shows the structure of a MySQL database (databases, tables, and columns).\n");
  printf("Usage: %s [OPTIONS] [database [table [column]]]\n",my_progname);
  puts("\n\
--- a/client/mysqlslap.c
+++ b/client/mysqlslap.c
@ -1,5 +1,5 @@
 /*
-   Copyright (c) 2005, 2011, Oracle and/or its affiliates.
+   Copyright (c) 2005, 2012, Oracle and/or its affiliates.

   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
@ -722,7 +722,7 @@ static void print_version(void)
 static void usage(void)
 {
  print_version();
-  puts(ORACLE_WELCOME_COPYRIGHT_NOTICE("2005, 2010"));
+  puts(ORACLE_WELCOME_COPYRIGHT_NOTICE("2005"));
  puts("Run a query multiple times against the server.\n");
  printf("Usage: %s [OPTIONS]\n",my_progname);
  print_defaults("my",load_default_groups);
--- a/client/mysqltest.cc
+++ b/client/mysqltest.cc
@ -54,6 +54,8 @@
 #include <signal.h>
 #include <my_stacktrace.h>

+#include <welcome_copyright_notice.h> // ORACLE_WELCOME_COPYRIGHT_NOTICE
+
 #ifdef __WIN__
 #include <crtdbg.h>
 #define SIGNAL_FMT "exception 0x%x"
@ -6985,8 +6987,7 @@ void print_version(void)
 void usage()
 {
  print_version();
-  printf("MySQL AB, by Sasha, Matt, Monty & Jani and others\n");
-  printf("This software comes with ABSOLUTELY NO WARRANTY\n\n");
+  puts(ORACLE_WELCOME_COPYRIGHT_NOTICE("2000"));
  printf("Runs a test against the mysql server and compares output with a results file.\n\n");
  printf("Usage: %s [OPTIONS] [database] < test_file\n", my_progname);
  my_print_help(my_long_options);
--- a/client/sql_string.h.dontuse
+++ b/client/sql_string.h.dontuse
@ -1,8 +1,7 @@
 #ifndef SQL_STRING_INCLUDED
 #define SQL_STRING_INCLUDED

-/*
-   Copyright (c) 2000, 2010, Oracle and/or its affiliates
+/* Copyright (c) 2000, 2012, 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
@ -194,8 +193,12 @@ public:
  }
  bool real_alloc(uint32 arg_length);			// Empties old string
  bool realloc(uint32 arg_length);
-  inline void shrink(uint32 arg_length)		// Shrink buffer
+
+  // Shrink the buffer, but only if it is allocated on the heap.
+  inline void shrink(uint32 arg_length)
  {
+    if (!is_alloced())
+      return;
    if (arg_length < Alloced_length)
    {
      char *new_ptr;
@ -211,7 +214,7 @@ public:
      }
    }
  }
-  bool is_alloced() { return alloced; }
+  bool is_alloced() const { return alloced; }
  inline String& operator = (const String &s)
  {
    if (&s != this)
--- a/cmake/cpack_rpm.cmake
+++ b/cmake/cpack_rpm.cmake
@ -64,8 +64,10 @@ SET(CPACK_RPM_SPEC_MORE_DEFINE "${CPACK_RPM_SPEC_MORE_DEFINE}

 SET(CPACK_RPM_PACKAGE_REQUIRES "MariaDB-common")

-SET(CPACK_RPM_server_USER_FILELIST "%ignore /etc" "%ignore /etc/init.d")
+SET(CPACK_RPM_server_USER_FILELIST "%ignore /etc" "%ignore /etc/init.d" "%config(noreplace) /etc/my.cnf.d/*")
 SET(CPACK_RPM_common_USER_FILELIST "%config(noreplace) /etc/my.cnf")
+SET(CPACK_RPM_shared_USER_FILELIST "%config(noreplace) /etc/my.cnf.d/*")
+SET(CPACK_RPM_client_USER_FILELIST "%config(noreplace) /etc/my.cnf.d/*")

 SET(CPACK_RPM_client_PACKAGE_OBSOLETES "mysql-client MySQL-client MySQL-OurDelta-client")
 SET(CPACK_RPM_client_PACKAGE_PROVIDES "MariaDB-client MySQL-client mysql-client")
@ -84,9 +86,10 @@ SET(CPACK_RPM_server_PACKAGE_PROVIDES "MariaDB MariaDB-server MySQL-server confi
 SET(CPACK_RPM_server_PRE_INSTALL_SCRIPT_FILE ${CMAKE_SOURCE_DIR}/support-files/rpm/server-prein.sh)
 SET(CPACK_RPM_server_PRE_UNINSTALL_SCRIPT_FILE ${CMAKE_SOURCE_DIR}/support-files/rpm/server-preun.sh)
 SET(CPACK_RPM_server_POST_INSTALL_SCRIPT_FILE ${CMAKE_SOURCE_DIR}/support-files/rpm/server-postin.sh)
+SET(CPACK_RPM_server_POST_UNINSTALL_SCRIPT_FILE ${CMAKE_SOURCE_DIR}/support-files/rpm/server-postun.sh)

 SET(CPACK_RPM_shared_PACKAGE_OBSOLETES "mysql-shared MySQL-shared-standard MySQL-shared-pro MySQL-shared-pro-cert MySQL-shared-pro-gpl MySQL-shared-pro-gpl-cert MySQL-shared MySQL-OurDelta-shared")
-SET(CPACK_RPM_shared_PACKAGE_PROVIDES "MariaDB-shared MySQL-shared mysql-shared libmysqlclient.so.${SHARED_LIB_MAJOR_VERSION} libmysqlclient.so.${SHARED_LIB_MAJOR_VERSION}(libmysqlclient_${SHARED_LIB_MAJOR_VERSION}) libmysqlclient_r.so.${SHARED_LIB_MAJOR_VERSION} libmysqlclient_r.so.${SHARED_LIB_MAJOR_VERSION}(libmysqlclient_${SHARED_LIB_MAJOR_VERSION})")
+SET(CPACK_RPM_shared_PACKAGE_PROVIDES "MariaDB-shared MySQL-shared mysql-shared libmysqlclient.so.18 libmysqlclient.so.18(libmysqlclient_16) libmysqlclient.so.18(libmysqlclient_18) libmysqlclient_r.so.18 libmysqlclient_r.so.18(libmysqlclient_18)")
 SET(CPACK_RPM_shared_POST_INSTALL_SCRIPT_FILE ${CMAKE_SOURCE_DIR}/support-files/rpm/shared-post.sh)
 SET(CPACK_RPM_shared_POST_UNINSTALL_SCRIPT_FILE ${CMAKE_SOURCE_DIR}/support-files/rpm/shared-post.sh)

--- a/cmake/mysql_version.cmake
+++ b/cmake/mysql_version.cmake
@ -67,7 +67,7 @@ IF(NOT "${MAJOR_VERSION}" MATCHES "[0-9]+" OR
  MARK_AS_ADVANCED(VERSION MYSQL_VERSION_ID MYSQL_BASE_VERSION)
  SET(CPACK_PACKAGE_VERSION_MAJOR ${MAJOR_VERSION})
  SET(CPACK_PACKAGE_VERSION_MINOR ${MINOR_VERSION})
-  SET(CPACK_PACKAGE_VERSION_PATCH ${PATCH_VERSION})
+  SET(CPACK_PACKAGE_VERSION_PATCH ${PATCH_VERSION}${EXTRA_VERSION})
 ENDMACRO()

 # Get mysql version and other interesting variables
--- a/cmake/plugin.cmake
+++ b/cmake/plugin.cmake
@ -133,7 +133,6 @@ MACRO(MYSQL_ADD_PLUGIN)
    ENDIF()

    ADD_LIBRARY(${target} STATIC ${SOURCES})
-    SET_TARGET_PROPERTIES(${target} PROPERTIES COMPILE_DEFINITONS "MYSQL_SERVER")
    DTRACE_INSTRUMENT(${target})
    ADD_DEPENDENCIES(${target} GenError ${ARG_DEPENDENCIES})
    RESTRICT_SYMBOL_EXPORTS(${target})
@ -146,7 +145,7 @@ MACRO(MYSQL_ADD_PLUGIN)
        DTRACE_INSTRUMENT(${target}_embedded)   
        IF(ARG_RECOMPILE_FOR_EMBEDDED)
          SET_TARGET_PROPERTIES(${target}_embedded 
-            PROPERTIES COMPILE_DEFINITIONS "MYSQL_SERVER;EMBEDDED_LIBRARY")
+            PROPERTIES COMPILE_DEFINITIONS "EMBEDDED_LIBRARY")
        ENDIF()
        ADD_DEPENDENCIES(${target}_embedded GenError)
      ENDIF()
--- a/cmake/ssl.cmake
+++ b/cmake/ssl.cmake
@ -25,7 +25,7 @@ MACRO (MYSQL_USE_BUNDLED_SSL)
  SET(SSL_LIBRARIES  yassl taocrypt)
  SET(SSL_INCLUDE_DIRS ${INC_DIRS})
  SET(SSL_INTERNAL_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/extra/yassl/taocrypt/mySTL)
-  SET(SSL_DEFINES "-DHAVE_YASSL -DYASSL_PURE_C -DYASSL_PREFIX -DHAVE_OPENSSL -DYASSL_THREAD_SAFE")
+  SET(SSL_DEFINES "-DHAVE_YASSL -DYASSL_PURE_C -DYASSL_PREFIX -DHAVE_OPENSSL -DMULTI_THREADED")
  CHANGE_SSL_SETTINGS("bundled")
  #Remove -fno-implicit-templates 
  #(yassl sources cannot  be compiled with  it)
--- a/debian/mariadb-client-5.5.files
+++ b/debian/mariadb-client-5.5.files
@ -11,7 +11,6 @@ usr/bin/mysqlimport
 usr/bin/mysqlreport
 usr/bin/mysqlshow
 usr/bin/mysqlslap
-usr/bin/mytop
 usr/bin/mysql_waitpid
 usr/share/lintian/overrides/mariadb-client-5.5
 usr/share/man/man1/innotop.1
--- a/debian/patches/41_scripts__mysql_install_db.sh__no_test.dpatch
+++ b/debian/patches/41_scripts__mysql_install_db.sh__no_test.dpatch
@ -13,8 +13,8 @@
 fi
 
 # Create database directories
-for dir in $ldata $ldata/mysql $ldata/test
-+for dir in $ldata $ldata/mysql
+-for dir in "$ldata" "$ldata/mysql" "$ldata/test"
+for dir in "$ldata" "$ldata/mysql"
 do
   if test ! -d $dir
   then
--- a/extra/perror.c
+++ b/extra/perror.c
@ -1,5 +1,5 @@
 /*
-   Copyright (c) 2000, 2011, Oracle and/or its affiliates
+   Copyright (c) 2000, 2012, Oracle and/or its affiliates.

   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
@ -28,6 +28,7 @@
 #include "../storage/ndb/src/kernel/error/ndbd_exit_codes.c"
 #include "../storage/ndb/include/mgmapi/mgmapi_error.h"
 #endif
+#include <welcome_copyright_notice.h> /* ORACLE_WELCOME_COPYRIGHT_NOTICE */

 static my_bool verbose, print_all_codes;

@ -113,7 +114,7 @@ static void print_version(void)
 static void usage(void)
 {
  print_version();
-  puts("This software comes with ABSOLUTELY NO WARRANTY. This is free software,\nand you are welcome to modify and redistribute it under the GPL license\n");
+  puts(ORACLE_WELCOME_COPYRIGHT_NOTICE("2000"));
  printf("Print a description for a system error code or a MySQL error code.\n");
  printf("If you want to get the error for a negative error code, you should use\n-- before the first error code to tell perror that there was no more options.\n\n");
  printf("Usage: %s [OPTIONS] [ERRORCODE [ERRORCODE...]]\n",my_progname);
--- a/extra/yassl/README
+++ b/extra/yassl/README
@ -12,7 +12,16 @@ before calling SSL_new();

 *** end Note ***

-yaSSL Release notes, version 2.1.2 (9/2/2011)
+yaSSL Release notes, version 2.2.2 (7/5/2012)
+
+    This release of yaSSL contains bug fixes and more security checks around
+    malicious certificates.
+
+See normal  build instructions below under 1.0.6.
+See libcurl build instructions below under 1.3.0 and note in 1.5.8.
+
+
+*****************yaSSL Release notes, version 2.1.2 (9/2/2011)

    This release of yaSSL contains bug fixes, better non-blocking support with
    SSL_write, and OpenSSL RSA public key format support.
--- a/extra/yassl/include/lock.hpp
+++ b/extra/yassl/include/lock.hpp
@ -27,7 +27,7 @@
  Visual Studio Source Annotations header (sourceannotations.h) fails
  to compile if outside of the global namespace.
 */
-#ifdef YASSL_THREAD_SAFE
+#ifdef MULTI_THREADED
 #ifdef _WIN32
 #include <windows.h>
 #endif
@ -36,8 +36,9 @@
 namespace yaSSL {


-#ifdef YASSL_THREAD_SAFE
+#ifdef MULTI_THREADED
    #ifdef _WIN32
+        #include <windows.h>

        class Mutex {
            CRITICAL_SECTION cs_;
@ -77,7 +78,7 @@ namespace yaSSL {
        };

    #endif // _WIN32
-#else  // YASSL_THREAD_SAFE (WE'RE SINGLE)
+#else  // MULTI_THREADED (WE'RE SINGLE)

    class Mutex {
    public:
@ -87,7 +88,7 @@ namespace yaSSL {
        };
    };

-#endif // YASSL_THREAD_SAFE
+#endif // MULTI_THREADED



--- a/extra/yassl/include/openssl/ssl.h
+++ b/extra/yassl/include/openssl/ssl.h
@ -35,7 +35,7 @@
 #include "rsa.h"


-#define YASSL_VERSION "2.2.0"
+#define YASSL_VERSION "2.2.2"


 #if defined(__cplusplus)
--- a/extra/yassl/include/yassl_error.hpp
+++ b/extra/yassl/include/yassl_error.hpp
@ -65,7 +65,7 @@ enum YasslError {
 enum Library { yaSSL_Lib = 0, CryptoLib, SocketLib };
 enum { MAX_ERROR_SZ = 80 };

-void SetErrorString(unsigned long, char*);
+void SetErrorString(YasslError, char*);

 /* remove for now, if go back to exceptions use this wrapper
 // Base class for all yaSSL exceptions
--- a/extra/yassl/src/cert_wrapper.cpp
+++ b/extra/yassl/src/cert_wrapper.cpp
@ -250,8 +250,7 @@ int CertManager::Validate()
        TaoCrypt::Source source((*last)->get_buffer(), (*last)->get_length());
        TaoCrypt::CertDecoder cert(source, true, &signers_, verifyNone_);

-        int err = cert.GetError().What();
-        if ( err )
+        if (int err = cert.GetError().What())
            return err;

        const TaoCrypt::PublicKey& key = cert.GetPublicKey();
--- a/extra/yassl/src/lock.cpp
+++ b/extra/yassl/src/lock.cpp
@ -26,7 +26,7 @@
 namespace yaSSL {


-#ifdef YASSL_THREAD_SAFE
+#ifdef MULTI_THREADED
    #ifdef _WIN32
        
        Mutex::Mutex()
@ -79,7 +79,7 @@ namespace yaSSL {
         

    #endif // _WIN32
-#endif // YASSL_THREAD_SAFE
+#endif // MULTI_THREADED



--- a/extra/yassl/src/ssl.cpp
+++ b/extra/yassl/src/ssl.cpp
@ -27,7 +27,6 @@



-
 /*  see man pages for function descriptions */

 #include "runtime.hpp"
@ -747,7 +746,7 @@ void SSL_CTX_set_verify(SSL_CTX* ctx, int mode, VerifyCallback vc)
 int SSL_CTX_load_verify_locations(SSL_CTX* ctx, const char* file,
                                  const char* path)
 {
-    int       ret = SSL_SUCCESS;
+    int       ret = SSL_FAILURE;
    const int HALF_PATH = 128;

    if (file) ret = read_file(ctx, file, SSL_FILETYPE_PEM, CA);
@ -1014,7 +1013,7 @@ char* ERR_error_string(unsigned long errNumber, char* buffer)
  static char* msg = (char*)"Please supply a buffer for error string";

    if (buffer) {
-        SetErrorString(errNumber, buffer);
+        SetErrorString(YasslError(errNumber), buffer);
        return buffer;
    }

--- a/extra/yassl/src/yassl_error.cpp
+++ b/extra/yassl/src/yassl_error.cpp
@ -31,11 +31,6 @@
    #pragma warning(disable: 4996)
 #endif

-#ifdef _MSC_VER
-    // 4996 warning to use MS extensions e.g., strcpy_s instead of strncpy
-    #pragma warning(disable: 4996)
-#endif
-
 namespace yaSSL {


@ -60,7 +55,7 @@ Library Error::get_lib() const
 */


-void SetErrorString(unsigned long error, char* buffer)
+void SetErrorString(YasslError error, char* buffer)
 {
    using namespace TaoCrypt;
    const int max = MAX_ERROR_SZ;  // shorthand
--- a/extra/yassl/taocrypt/include/aes.hpp
+++ b/extra/yassl/taocrypt/include/aes.hpp
@ -92,7 +92,6 @@ typedef BlockCipher<ENCRYPTION, AES, CBC> AES_CBC_Encryption;
 typedef BlockCipher<DECRYPTION, AES, CBC> AES_CBC_Decryption;


-
 } // naemspace

 #endif // TAO_CRYPT_AES_HPP
--- a/extra/yassl/taocrypt/include/misc.hpp
+++ b/extra/yassl/taocrypt/include/misc.hpp
@ -136,9 +136,13 @@ void CleanUp();

 // Turn on ia32 ASM for Big Integer
 // CodeWarrior defines _MSC_VER
+//
+// Do not use assembler with GCC, as the implementation for it is broken;
+// it does not use proper GCC asm contraints and makes assumptions about
+// frame pointers and so on, which breaks depending on GCC version and
+// optimization level.
 #if !defined(TAOCRYPT_DISABLE_X86ASM) && ((defined(_MSC_VER) && \
-   !defined(__MWERKS__) && defined(_M_IX86)) || \
-   (defined(__GNUC__) && defined(__i386__)))
+   !defined(__MWERKS__) && defined(_M_IX86)))
    #define TAOCRYPT_X86ASM_AVAILABLE
 #endif

--- a/extra/yassl/taocrypt/include/pwdbased.hpp
+++ b/extra/yassl/taocrypt/include/pwdbased.hpp
@ -48,9 +48,11 @@ word32 PBKDF2_HMAC<T>::DeriveKey(byte* derived, word32 dLen, const byte* pwd,
                                 word32 pLen, const byte* salt, word32 sLen,
                                 word32 iterations) const
 {
-	if (dLen > MaxDerivedKeyLength())
+    if (dLen > MaxDerivedKeyLength())
        return 0;

+    if (iterations < 0)
+        return 0;

    ByteBlock buffer(T::DIGEST_SIZE);
 	HMAC<T>   hmac;
--- a/extra/yassl/taocrypt/src/asn.cpp
+++ b/extra/yassl/taocrypt/src/asn.cpp
@ -154,6 +154,8 @@ word32 GetLength(Source& source)
    else
        length = b;

+    if (source.IsLeft(length) == false) return 0;
+
    return length;
 }

@ -832,7 +834,7 @@ void CertDecoder::GetName(NameType nt)
            if (email) {
                if (!(ptr = AddTag(ptr, buf_end, "/emailAddress=", 14, length))) {
                    source_.SetError(CONTENT_E);
-                    return; 
+                    return;
                }
            }

--- a/extra/yassl/taocrypt/src/coding.cpp
+++ b/extra/yassl/taocrypt/src/coding.cpp
@ -103,6 +103,16 @@ void HexDecoder::Decode()
        byte b  = coded_.next() - 0x30;  // 0 starts at 0x30
        byte b2 = coded_.next() - 0x30;

+        // sanity checks
+        if (b >= sizeof(hexDecode)/sizeof(hexDecode[0])) {
+            coded_.SetError(PEM_E);
+            return;
+        }
+        if (b2 >= sizeof(hexDecode)/sizeof(hexDecode[0])) {
+            coded_.SetError(PEM_E);
+            return;
+        }
+
        b  = hexDecode[b];
        b2 = hexDecode[b2];

@ -178,6 +188,7 @@ void Base64Decoder::Decode()
 {
    word32 bytes = coded_.size();
    word32 plainSz = bytes - ((bytes + (pemLineSz - 1)) / pemLineSz); 
+    const  byte maxIdx = (byte)sizeof(base64Decode) + 0x2B - 1;
    plainSz = ((plainSz * 3) / 4) + 3;
    decoded_.New(plainSz);

@ -200,6 +211,16 @@ void Base64Decoder::Decode()
        if (e4 == pad)
            pad4 = true;

+        if (e1 < 0x2B || e2 < 0x2B || e3 < 0x2B || e4 < 0x2B) {
+            coded_.SetError(PEM_E);
+            return;
+        }
+
+        if (e1 > maxIdx || e2 > maxIdx || e3 > maxIdx || e4 > maxIdx) {
+            coded_.SetError(PEM_E);
+            return;
+        }
+
        e1 = base64Decode[e1 - 0x2B];
        e2 = base64Decode[e2 - 0x2B];
        e3 = (e3 == pad) ? 0 : base64Decode[e3 - 0x2B];
--- a/extra/yassl/taocrypt/src/crypto.cpp
+++ b/extra/yassl/taocrypt/src/crypto.cpp
@ -1,37 +0,0 @@
-/*
-   Copyright (C) 2000-2007 MySQL AB
-
-   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; see the file COPYING. If not, write to the
-   Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
-   MA  02110-1301  USA.
-*/
-
-/* put features that other apps expect from OpenSSL type crypto */
-
-
-
-extern "C" {
-
-    // for libcurl configure test, these are the signatures they use
-    // locking handled internally by library
-    char CRYPTO_lock() { return 0;}
-    char CRYPTO_add_lock() { return 0;}
-
-
-    // for openvpn, test are the signatures they use
-    char EVP_CIPHER_CTX_init() { return 0; }
-    char CRYPTO_mem_ctrl() { return 0; }
-}  // extern "C"
-
-
-
--- a/extra/yassl/taocrypt/taocrypt.dsw
+++ b/extra/yassl/taocrypt/taocrypt.dsw
@ -3,6 +3,21 @@ Microsoft Developer Studio Workspace File, Format Version 6.00

 ###############################################################################

+Project: "benchmark"=.\benchmark\benchmark.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+    Begin Project Dependency
+    Project_Dep_Name taocrypt
+    End Project Dependency
+}}}
+
+###############################################################################
+
 Project: "taocrypt"=.\taocrypt.dsp - Package Owner=<4>

 Package=<5>
@ -15,7 +30,7 @@ Package=<4>

 ###############################################################################

-Project: "test"=.\test.dsp - Package Owner=<4>
+Project: "test"=.\test\test.dsp - Package Owner=<4>

 Package=<5>
 {{{
--- a/extra/yassl/taocrypt/test/memory.cpp
+++ b/extra/yassl/taocrypt/test/memory.cpp
@ -31,7 +31,7 @@
 To use MemoryTracker merely add this file to your project
 No need to instantiate anything

-If your app is multi threaded define YASSL_THREAD_SAFE
+If your app is multi threaded define MULTI_THREADED

 *********************************************************************/

--- a/extra/yassl/taocrypt/test/test.dsp
+++ b/extra/yassl/taocrypt/test/test.dsp
@ -37,12 +37,12 @@ RSC=rc.exe
 # PROP BASE Target_Dir ""
 # PROP Use_MFC 0
 # PROP Use_Debug_Libraries 0
-# PROP Output_Dir "test\Release"
-# PROP Intermediate_Dir "test\Release"
+# PROP Output_Dir "Release"
+# PROP Intermediate_Dir "Release"
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 # ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
-# ADD CPP /nologo /MT /W3 /O2 /I "include" /I "mySTL" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /FR /YX /FD /c
+# ADD CPP /nologo /MD /W3 /O2 /I "../include" /I "../mySTL" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /FR /YX /FD /c
 # ADD BASE RSC /l 0x409 /d "NDEBUG"
 # ADD RSC /l 0x409 /d "NDEBUG"
 BSC32=bscmake.exe
@ -61,12 +61,12 @@ LINK32=link.exe
 # PROP BASE Target_Dir ""
 # PROP Use_MFC 0
 # PROP Use_Debug_Libraries 1
-# PROP Output_Dir "test\Debug"
-# PROP Intermediate_Dir "test\Debug"
+# PROP Output_Dir "Debug"
+# PROP Intermediate_Dir "Debug"
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 # ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c
-# ADD CPP /nologo /MTd /W3 /Gm /ZI /Od /I "include" /I "mySTL" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /FR /YX /FD /GZ /c
+# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "../include" /I "../mySTL" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /FR /YX /FD /GZ /c
 # ADD BASE RSC /l 0x409 /d "_DEBUG"
 # ADD RSC /l 0x409 /d "_DEBUG"
 BSC32=bscmake.exe
@ -87,7 +87,7 @@ LINK32=link.exe
 # PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
 # Begin Source File

-SOURCE=.\test\test.cpp
+SOURCE=.\test.cpp
 # End Source File
 # End Group
 # Begin Group "Header Files"
--- a/extra/yassl/yassl.dsw
+++ b/extra/yassl/yassl.dsw
@ -90,7 +90,7 @@ Package=<4>

 ###############################################################################

-Project: "test"=.\taocrypt\test.dsp - Package Owner=<4>
+Project: "test"=.\taocrypt\test\test.dsp - Package Owner=<4>

 Package=<5>
 {{{
@ -113,9 +113,6 @@ Package=<5>

 Package=<4>
 {{{
-    Begin Project Dependency
-    Project_Dep_Name taocrypt
-    End Project Dependency
    Begin Project Dependency
    Project_Dep_Name yassl
    End Project Dependency
--- a/include/my_base.h
+++ b/include/my_base.h
@ -283,6 +283,9 @@ enum ha_base_keytype {
 #define HA_USES_BLOCK_SIZE	 ((uint) 32768)
 #define HA_SORT_ALLOWS_SAME      512    /* Intern bit when sorting records */

+/* This flag can be used only in KEY::ext_key_flags */
+#define HA_EXT_NOSAME            131072
+
 	/* These flags can be added to key-seg-flag */

 #define HA_SPACE_PACK		 1	/* Pack space in key-seg */
--- a/include/mysql.h
+++ b/include/mysql.h
@ -47,9 +47,6 @@ extern "C" {
 #ifndef MYSQL_ABI_CHECK
 #include <sys/types.h>
 #endif
-#ifdef __LCC__
-#include <winsock2.h>				/* For windows */
-#endif
 typedef char my_bool;
 #if (defined(_WIN32) || defined(_WIN64)) && !defined(__WIN__)
 #define __WIN__
@ -61,11 +58,13 @@ typedef char my_bool;
 #endif

 #ifndef my_socket_defined
-#ifdef __WIN__
-#define my_socket SOCKET
+#if defined (_WIN64)
+#define my_socket unsigned long long
+#elif defined (_WIN32)
+#define my_socket unsigned int
 #else
 typedef int my_socket;
-#endif /* __WIN__ */
+#endif /* _WIN64 */
 #endif /* my_socket_defined */
 #endif /* _global_h */

@ -848,6 +847,7 @@ int STDCALL mysql_close_start(MYSQL *sock);
 int STDCALL mysql_close_cont(MYSQL *sock, int status);
 my_socket STDCALL mysql_get_socket(const MYSQL *mysql);
 unsigned int STDCALL mysql_get_timeout_value(const MYSQL *mysql);
+unsigned int STDCALL mysql_get_timeout_value_ms(const MYSQL *mysql);

 /* status return codes */
 #define MYSQL_NO_DATA        100
--- a/include/mysql.h.pp
+++ b/include/mysql.h.pp
@ -729,3 +729,4 @@ int mysql_close_start(MYSQL *sock);
 int mysql_close_cont(MYSQL *sock, int status);
 my_socket mysql_get_socket(const MYSQL *mysql);
 unsigned int mysql_get_timeout_value(const MYSQL *mysql);
+unsigned int mysql_get_timeout_value_ms(const MYSQL *mysql);
--- a/include/mysql_com.h
+++ b/include/mysql_com.h
@ -57,9 +57,6 @@
 #define LOCAL_HOST	"localhost"
 #define LOCAL_HOST_NAMEDPIPE "."

-#ifdef _WIN32
-#include <ws2tcpip.h>
-#endif

 #if defined(__WIN__) && !defined( _CUSTOMCONFIG_)
 #define MYSQL_NAMEDPIPE "MySQL"
--- a/include/thread_pool_priv.h
+++ b/include/thread_pool_priv.h
@ -36,6 +36,7 @@
 #include <debug_sync.h>
 #include <sql_profile.h>
 #include <table.h>
+#include <sql_list.h>

 /* Needed to get access to scheduler variables */
 void* thd_get_scheduler_data(THD *thd);
@ -56,9 +57,14 @@ void thd_unlock_data(THD *thd);
 bool thd_is_transaction_active(THD *thd);
 int thd_connection_has_data(THD *thd);
 void thd_set_net_read_write(THD *thd, uint val);
+uint thd_get_net_read_write(THD *thd);
 void thd_set_mysys_var(THD *thd, st_my_thread_var *mysys_var);
+ulong  thd_get_net_wait_timeout(THD *thd);
 my_socket thd_get_fd(THD *thd);

+THD *first_global_thread();
+THD *next_global_thread(THD *thd);
+
 /* Print to the MySQL error log */
 void sql_print_error(const char *format, ...);

--- a/include/violite.h
+++ b/include/violite.h
@ -177,6 +177,12 @@ void vio_end(void);
 #endif /* !defined(DONT_MAP_VIO) */

 #ifdef _WIN32
+
+/* shutdown(2) flags */
+#ifndef SHUT_RD
+#define SHUT_RD SD_BOTH
+#endif
+
 /*
  Set thread id for io cancellation (required on Windows XP only,
  and should to be removed if XP is no more supported)
--- a/include/welcome_copyright_notice.h
+++ b/include/welcome_copyright_notice.h
@ -1,4 +1,5 @@
-/* Copyright (c) 2010, 2011, Oracle and/or its affiliates.
+/* Copyright (c) 2011, 2012, Oracle and/or its affiliates.
+   Copyright (c) 2011, 2012, Monty Program Ab

   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
@ -16,11 +17,14 @@
 #ifndef _welcome_copyright_notice_h_
 #define _welcome_copyright_notice_h_

+#define COPYRIGHT_NOTICE_CURRENT_YEAR "2012"
+
 /*
  This define specifies copyright notice which is displayed by every MySQL
  program on start, or on help screen.
 */
-#define ORACLE_WELCOME_COPYRIGHT_NOTICE(years) \
-  "Copyright (c) " years ", Oracle, Monty Program Ab and others.\n"
+#define ORACLE_WELCOME_COPYRIGHT_NOTICE(first_year) \
+  "Copyright (c) " first_year ", " COPYRIGHT_NOTICE_CURRENT_YEAR \
+   ", Oracle, Monty Program Ab and others.\n"

 #endif /* _welcome_copyright_notice_h_ */
--- a/libmysqld/lib_sql.cc
+++ b/libmysqld/lib_sql.cc
@ -1004,7 +1004,7 @@ bool Protocol::send_result_set_metadata(List<Item> *list, uint flags)
                                                     thd_cs->mbmaxlen);
    }
    client_field->type=   server_field.type;
-    client_field->flags= server_field.flags;
+    client_field->flags= (uint16) server_field.flags;
    client_field->decimals= server_field.decimals;
    client_field->db_length=		strlen(client_field->db);
    client_field->table_length=		strlen(client_field->table);
--- a/mysql-test/include/have_innodb.combinations
+++ b/mysql-test/include/have_innodb.combinations
@ -4,6 +4,9 @@ plugin-load=$HA_INNODB_SO
 innodb
 innodb-cmpmem
 innodb-trx
+innodb-buffer-pool-stats
+innodb-buffer-page
+innodb-buffer-page-lru

 [xtradb_plugin]
 ignore-builtin-innodb
@ -11,8 +14,14 @@ plugin-load=$HA_XTRADB_SO
 innodb
 innodb-cmpmem
 innodb-trx
+innodb-buffer-pool-stats
+innodb-buffer-page
+innodb-buffer-page-lru

 [xtradb]
 innodb
 innodb-cmpmem
 innodb-trx
+innodb-buffer-pool-stats
+innodb-buffer-page
+innodb-buffer-page-lru
--- a/mysql-test/include/mtr_warnings.sql
+++ b/mysql-test/include/mtr_warnings.sql
@ -97,7 +97,6 @@ INSERT INTO global_suppressions VALUES
 ("Failed to open log"),
 ("Failed to open the existing master info file"),
 ("Forcing shutdown of [0-9]* plugins"),
- ("Forcing close of thread"),

 /*
   Due to timing issues, it might be that this warning
--- a/mysql-test/r/derived_opt.result
+++ b/mysql-test/r/derived_opt.result
@ -282,4 +282,74 @@ CREATE TABLE t1 ( i INT );
 INSERT INTO t1 VALUES ( (SELECT 1 FROM ( SELECT * FROM t1 ) as a) );
 drop table t1;
 set optimizer_switch=@save_optimizer_switch;
+#
+# MDEV-3801 Reproducible sub select join crash on 5.3.8 and 5.3.9 
+#
+CREATE TABLE t1 (
+pk int(10) unsigned NOT NULL AUTO_INCREMENT,
+a char(2) DEFAULT NULL,
+PRIMARY KEY (pk),
+KEY a (a)
+) ENGINE=MyISAM;
+INSERT INTO t1 (a)
+VALUES (NULL),(NULL),(NULL),('AB'),(NULL),('CD'),(NULL),(NULL);
+INSERT INTO t1 SELECT NULL, a1.a FROM t1 a1, t1 a2, t1 a3, t1 a4, t1 a5;
+CREATE TABLE t2 (
+pk int(10) unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY
+) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL);
+INSERT INTO t2 SELECT NULL FROM t2 a1, t2 a2, t2 a3, t2 a4, t2 a5;
+CREATE TABLE t3 (
+pk int(10) unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY
+) ENGINE=MyISAM;
+INSERT INTO t3 VALUES (NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL),(NULL);
+INSERT INTO t3 SELECT NULL FROM t3 a1, t3 a2, t3 a3, t3 a4, t3 a5;
+CREATE TABLE t4 (
+a char(2) NOT NULL DEFAULT '',
+PRIMARY KEY (a)
+) ENGINE=MyISAM;
+INSERT INTO t4 VALUES ('CD');
+set @@tmp_table_size=8192;
+EXPLAIN
+SELECT * FROM t3 AS tx JOIN t2 AS ty ON (tx.pk = ty.pk)
+WHERE
+tx.pk IN
+(SELECT *
+FROM (SELECT DISTINCT ta.pk
+FROM t3 AS ta
+JOIN t2 AS tb ON (ta.pk = tb.pk)
+JOIN t1 AS tc ON (tb.pk = tc.pk)
+JOIN t4 AS td ON tc.a = td.a) tu)
+limit 10;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	#	
+1	PRIMARY	tx	eq_ref	PRIMARY	PRIMARY	4	tu.pk	#	Using index
+1	PRIMARY	ty	eq_ref	PRIMARY	PRIMARY	4	tu.pk	#	Using index
+2	MATERIALIZED	<derived3>	ALL	NULL	NULL	NULL	NULL	#	
+3	DERIVED	td	system	PRIMARY	NULL	NULL	NULL	#	Using temporary
+3	DERIVED	tc	ref	PRIMARY,a	a	3	const	#	
+3	DERIVED	ta	eq_ref	PRIMARY	PRIMARY	4	test.tc.pk	#	Using index
+3	DERIVED	tb	eq_ref	PRIMARY	PRIMARY	4	test.tc.pk	#	Using index; Distinct
+SELECT * FROM t3 AS tX JOIN t2 AS tY ON (tX.pk = tY.pk)
+WHERE
+tX.pk IN
+(SELECT *
+FROM (SELECT DISTINCT tA.pk
+FROM t3 AS tA
+JOIN t2 AS tB ON (tA.pk = tB.pk)
+JOIN t1 AS tC ON (tB.pk = tC.pk)
+JOIN t4 AS tD ON tC.a = tD.a) tU)
+limit 10;
+pk	pk
+6	6
+16	16
+24	24
+32	32
+40	40
+48	48
+56	56
+64	64
+72	72
+80	80
+drop table t1, t2, t3, t4;
 set optimizer_switch=@exit_optimizer_switch;
--- a/mysql-test/r/derived_view.result
+++ b/mysql-test/r/derived_view.result
@ -1687,6 +1687,7 @@ SELECT t.b, t.c, t1.a
 FROM t1, (SELECT t2.b, t2.c FROM t3 RIGHT JOIN t2 ON t2.a = t3.b) AS t
 WHERE t.b AND t.c = t1.a;
 b	c	a
+8	c	c
 EXPLAIN EXTENDED
 SELECT t.b, t.c, t1.a
 FROM t1, (SELECT t2.b, t2.c FROM t3 RIGHT JOIN t2 ON t2.a = t3.b) AS t
@ -1701,6 +1702,7 @@ SELECT t.b, t.c, t1.a
 FROM t1, (SELECT t2.b, t2.c FROM t3 RIGHT JOIN t2 ON t2.a = t3.b) AS t
 WHERE t.b <> 0 AND t.c = t1.a;
 b	c	a
+8	c	c
 INSERT INTO t3 VALUES (100), (200);
 EXPLAIN EXTENDED
 SELECT t.b, t.c, t1.a
@ -1716,7 +1718,7 @@ SELECT t.b, t.c, t1.a
 FROM t1, (SELECT t2.b, t2.c FROM t3 RIGHT JOIN t2 ON t2.a = t3.b) AS t
 WHERE t.b AND t.c = t1.a;
 b	c	a
-NULL	NULL	c
+8	c	c
 EXPLAIN EXTENDED
 SELECT t.b, t.c, t1.a
 FROM t1, (SELECT t2.b, t2.c FROM t3 RIGHT JOIN t2 ON t2.a = t3.b) AS t
@ -1731,7 +1733,7 @@ SELECT t.b, t.c, t1.a
 FROM t1, (SELECT t2.b, t2.c FROM t3 RIGHT JOIN t2 ON t2.a = t3.b) AS t
 WHERE t.b <> 0 AND t.c = t1.a;
 b	c	a
-NULL	NULL	c
+8	c	c
 SET optimizer_switch=@save_optimizer_switch;
 DROP TABLE t1,t2,t3;
 #
--- a/mysql-test/r/func_str.result
+++ b/mysql-test/r/func_str.result
@ -2867,3 +2867,16 @@ SET @@global.max_allowed_packet:= @tmp_max;
 #
 # End of 5.5 tests
 #
+SELECT @tmp_max:= @@global.max_allowed_packet;
+@tmp_max:= @@global.max_allowed_packet
+1048576
+SET @@global.max_allowed_packet=1024*1024*1024;
+SELECT @@global.max_allowed_packet;
+@@global.max_allowed_packet
+1073741824
+SELECT CHAR_LENGTH(EXPORT_SET(1,1,1,REPEAT(1,100000000)));
+CHAR_LENGTH(EXPORT_SET(1,1,1,REPEAT(1,100000000)))
+NULL
+Warnings:
+Warning	1301	Result of repeat() was larger than max_allowed_packet (1048576) - truncated
+SET @@global.max_allowed_packet:= @tmp_max;
--- a/mysql-test/r/group_by.result
+++ b/mysql-test/r/group_by.result
@ -2119,6 +2119,17 @@ FROM t2
 GROUP BY 1;
 a
 DROP TABLE t1, t2;
+FLUSH STATUS;
+CREATE TABLE t1 (f1 INT, f2 decimal(20,1), f3 blob);
+INSERT INTO t1 values(11,NULL,'blob'),(11,NULL,'blob');
+SELECT f3, MIN(f2) FROM t1 GROUP BY f1 LIMIT 1;
+f3	MIN(f2)
+blob	NULL
+DROP TABLE t1;
+the value below *must* be 1
+show status like 'Created_tmp_disk_tables';
+Variable_name	Value
+Created_tmp_disk_tables	1
 # End of 5.3 tests
 #
 # Bug#49771: Incorrect MIN (date) when minimum value is 0000-00-00
--- a/mysql-test/r/information_schema.result
+++ b/mysql-test/r/information_schema.result
@ -1678,6 +1678,12 @@ SELECT length(CAST(b AS CHAR)) FROM ubig;
 length(CAST(b AS CHAR))
 20
 DROP TABLE ubig;
+select 1 from information_schema.tables where table_schema=repeat('a', 2000);
+1
+grant usage on *.* to mysqltest_1@localhost;
+select 1 from information_schema.tables where table_schema=repeat('a', 2000);
+1
+drop user mysqltest_1@localhost;
 End of 5.1 tests.
 #
 # Additional test for WL#3726 "DDL locking for all metadata objects"
--- a/mysql-test/r/information_schema_all_engines.result
+++ b/mysql-test/r/information_schema_all_engines.result
@ -16,6 +16,7 @@ INDEX_STATISTICS
 INNODB_BUFFER_POOL_PAGES
 INNODB_BUFFER_POOL_PAGES_BLOB
 INNODB_BUFFER_POOL_PAGES_INDEX
+INNODB_CHANGED_PAGES
 INNODB_CMP
 INNODB_CMPMEM
 INNODB_CMPMEM_RESET
@ -88,6 +89,7 @@ INDEX_STATISTICS	TABLE_SCHEMA
 INNODB_BUFFER_POOL_PAGES	page_type
 INNODB_BUFFER_POOL_PAGES_BLOB	space_id
 INNODB_BUFFER_POOL_PAGES_INDEX	index_id
+INNODB_CHANGED_PAGES	space_id
 INNODB_CMP	page_size
 INNODB_CMPMEM	page_size
 INNODB_CMPMEM_RESET	page_size
@ -160,6 +162,7 @@ INDEX_STATISTICS	TABLE_SCHEMA
 INNODB_BUFFER_POOL_PAGES	page_type
 INNODB_BUFFER_POOL_PAGES_BLOB	space_id
 INNODB_BUFFER_POOL_PAGES_INDEX	index_id
+INNODB_CHANGED_PAGES	space_id
 INNODB_CMP	page_size
 INNODB_CMPMEM	page_size
 INNODB_CMPMEM_RESET	page_size
@ -238,6 +241,7 @@ INDEX_STATISTICS	information_schema.INDEX_STATISTICS	1
 INNODB_BUFFER_POOL_PAGES	information_schema.INNODB_BUFFER_POOL_PAGES	1
 INNODB_BUFFER_POOL_PAGES_BLOB	information_schema.INNODB_BUFFER_POOL_PAGES_BLOB	1
 INNODB_BUFFER_POOL_PAGES_INDEX	information_schema.INNODB_BUFFER_POOL_PAGES_INDEX	1
+INNODB_CHANGED_PAGES	information_schema.INNODB_CHANGED_PAGES	1
 INNODB_CMP	information_schema.INNODB_CMP	1
 INNODB_CMPMEM	information_schema.INNODB_CMPMEM	1
 INNODB_CMPMEM_RESET	information_schema.INNODB_CMPMEM_RESET	1
@ -299,6 +303,7 @@ Database: information_schema
 | INNODB_BUFFER_POOL_PAGES              |
 | INNODB_BUFFER_POOL_PAGES_BLOB         |
 | INNODB_BUFFER_POOL_PAGES_INDEX        |
+| INNODB_CHANGED_PAGES                  |
 | INNODB_CMP                            |
 | INNODB_CMPMEM                         |
 | INNODB_CMPMEM_RESET                   |
@ -361,6 +366,7 @@ Database: INFORMATION_SCHEMA
 | INNODB_BUFFER_POOL_PAGES              |
 | INNODB_BUFFER_POOL_PAGES_BLOB         |
 | INNODB_BUFFER_POOL_PAGES_INDEX        |
+| INNODB_CHANGED_PAGES                  |
 | INNODB_CMP                            |
 | INNODB_CMPMEM                         |
 | INNODB_CMPMEM_RESET                   |
@ -411,5 +417,5 @@ Wildcard: inf_rmation_schema
 | information_schema |
 SELECT table_schema, count(*) FROM information_schema.TABLES WHERE table_schema IN ('mysql', 'INFORMATION_SCHEMA', 'test', 'mysqltest') AND table_name<>'ndb_binlog_index' AND table_name<>'ndb_apply_status' GROUP BY TABLE_SCHEMA;
 table_schema	count(*)
-information_schema	57
+information_schema	58
 mysql	23
--- a/mysql-test/r/innodb_ext_key.result
+++ b/mysql-test/r/innodb_ext_key.result
@ -613,6 +613,26 @@ Handler_read_prev	0
 Handler_read_rnd	0
 Handler_read_rnd_deleted	0
 Handler_read_rnd_next	0
+#
+# Bug mdev-3851: ref access used instead of expected eq_ref access
+#                when extended_keys=on
+#
+create table t0 (a int);
+insert into t0 values (1), (2), (3), (4), (5);
+create index i_p_size on part(p_size);
+set optimizer_switch='extended_keys=on';
+explain
+select * from t0, part ignore index (primary)
+where p_partkey=t0.a and p_size=1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t0	ALL	NULL	NULL	NULL	NULL	5	Using where
+1	SIMPLE	part	eq_ref	i_p_size	i_p_size	9	const,dbt3_s001.t0.a	1	
+select * from t0,  part ignore index (primary)
+where p_partkey=t0.a and p_size=1;
+a	p_partkey	p_name	p_mfgr	p_brand	p_type	p_size	p_container	p_retailprice	p_comment
+2	2	blush rosy metallic lemon navajo	Manufacturer#1	Brand#13	LARGE BRUSHED BRASS	1	LG CASE	902	final platelets hang f
+drop table t0;
+drop index i_p_size on part;
 DROP DATABASE dbt3_s001;
 use test;
 #
@ -724,5 +744,33 @@ SELECT * FROM t1, t2 WHERE b=a;
 a	b
 set optimizer_switch=@save_optimizer_switch;
 DROP TABLE t1,t2;
+#
+# Bug mdev-3888: INSERT with UPDATE on duplicate keys
+#                with extended_keys=on   
+#
+CREATE TABLE t1 (
+c1 bigint(20) unsigned NOT NULL AUTO_INCREMENT,
+c2 bigint(20) unsigned NOT NULL,
+c3 bigint(20) unsigned NOT NULL,
+c4 varchar(128) DEFAULT NULL,
+PRIMARY KEY (c1),
+UNIQUE KEY uq (c2,c3),
+KEY c3 (c3),
+KEY c4 (c4)
+) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8;
+set @save_optimizer_switch=@@optimizer_switch;
+set session optimizer_switch='extended_keys=off';
+INSERT INTO t1 (c2, c3, c4) VALUES (58291525, 2580, 'foobar')
+ON DUPLICATE KEY UPDATE c4 = VALUES(c4);
+INSERT INTO t1 (c2, c3, c4) VALUES (58291525, 2580, 'foobar')
+ON DUPLICATE KEY UPDATE c4 = VALUES(c4);
+DELETE FROM t1;
+set session optimizer_switch='extended_keys=on';
+INSERT INTO t1 (c2, c3, c4) VALUES (58291525, 2580, 'foobar')
+ON DUPLICATE KEY UPDATE c4 = VALUES(c4);
+INSERT INTO t1 (c2, c3, c4) VALUES (58291525, 2580, 'foobar')
+ON DUPLICATE KEY UPDATE c4 = VALUES(c4);
+set optimizer_switch=@save_optimizer_switch;
+DROP TABLE t1;
 set optimizer_switch=@save_ext_key_optimizer_switch;
 SET SESSION STORAGE_ENGINE=DEFAULT;
--- a/mysql-test/r/join_cache.result
+++ b/mysql-test/r/join_cache.result
@ -5589,4 +5589,52 @@ set join_buffer_size=default;
 set join_cache_level=default;
 set optimizer_switch=@tmp_optimizer_switch;
 DROP TABLE t1,t2,t3;
+#
+# Bug #1058071: LEFT JOIN using blobs 
+# (mdev-564)    when join buffer size is small 
+#
+CREATE TABLE t1 (
+col269 decimal(31,10) unsigned DEFAULT NULL,
+col280 multipoint DEFAULT NULL,
+col281 tinyint(1) DEFAULT NULL,
+col282 time NOT NULL,
+col284 datetime DEFAULT NULL,
+col286 date DEFAULT NULL,
+col287 datetime DEFAULT NULL,
+col288 decimal(30,29) DEFAULT NULL,
+col291 time DEFAULT NULL,
+col292 time DEFAULT NULL
+) ENGINE=Aria;
+INSERT INTO t1 VALUES
+(0.0,PointFromText('POINT(9 0)'),0,'11:24:05','2013-04-14 21:30:28',NULL,'2011-12-20 06:00:34',9.9,'13:04:39',NULL),
+(0.0,NULL,127,'05:43:12','2012-09-05 06:15:27','2027-01-01','2011-10-29 10:48:29',0.0,'06:24:05','11:33:37'),
+(0.0,NULL,127,'12:54:41','2013-01-12 11:32:58','2011-11-03','2013-01-03 02:00:34',00,'11:54:15','20:19:15'),
+(0.0,PointFromText('POINT(9 0)'),0,'19:48:07','2012-07-16 15:45:25','2012-03-25','2013-09-07 17:21:52',0.5,'17:36:54','21:24:19'),
+(0.0,PointFromText('POINT(9 0)'),0,'03:43:48','2012-09-28 00:00:00','2012-06-26','2011-11-16 05:01:09',00,'01:25:42','19:30:06'),
+(0.0,LineStringFromText('LINESTRING(0 0,9 9,0 0,9 0,0 0)'),127,'11:33:21','2012-03-31 10:29:22','2012-10-10','2012-04-21 19:21:06',NULL,'05:13:22','09:48:34'),
+(NULL,PointFromText('POINT(9 0)'),127,'00:00:00','0000-00-00','2012-04-04 21:26:12','2013-03-04',0.0,'12:54:30',NULL),
+(NULL,PointFromText('POINT(9 0)'),1,'00:00:00','2013-05-01 22:37:49','2013-06-26','2012-09-22 17:31:03',0.0,'08:09:57','11:15:36');
+Warnings:
+Note	1265	Data truncated for column 'col286' at row 7
+CREATE TABLE t2 (b int) ENGINE=Aria;
+INSERT INTO t2 VALUES (NULL);
+CREATE TABLE t3 (c int) ENGINE=Aria;
+INSERT INTO t3 VALUES (NULL);
+set @tmp_optimizer_switch=@@optimizer_switch;
+set optimizer_switch = 'outer_join_with_cache=on,join_cache_incremental=on';
+set join_buffer_size=128;
+EXPLAIN
+SELECT 1 AS c FROM t1 NATURAL LEFT JOIN t2 LEFT OUTER JOIN t3 ON 1
+GROUP BY elt(t1.col282,1,t1.col280);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	8	Using temporary; Using filesort
+1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	1	Using where; Using join buffer (flat, BNL join)
+1	SIMPLE	t3	ALL	NULL	NULL	NULL	NULL	1	Using where; Using join buffer (incremental, BNL join)
+SELECT 1 AS c FROM t1 NATURAL LEFT JOIN t2 LEFT OUTER JOIN t3 ON 1
+GROUP BY elt(t1.col282,1,t1.col280);
+c
+1
+set join_buffer_size=default;
+set optimizer_switch=@tmp_optimizer_switch;
+DROP table t1,t2,t3;
 set @@optimizer_switch=@save_optimizer_switch;
--- a/mysql-test/r/limit_rows_examined.result
+++ b/mysql-test/r/limit_rows_examined.result
@ -318,7 +318,7 @@ LIMIT ROWS EXAMINED 9;
 c1
 bb
 Warnings:
-Warning	1931	Query execution was interrupted. The query examined at least 10 rows, which exceeds LIMIT ROWS EXAMINED (9). The query result may be incomplete.
+Warning	1931	Query execution was interrupted. The query examined at least 12 rows, which exceeds LIMIT ROWS EXAMINED (9). The query result may be incomplete.
 Same as above, without subquery cache
 set @@optimizer_switch='subquery_cache=off';
 select * from t1
@ -347,7 +347,7 @@ LIMIT ROWS EXAMINED 5;
 c1
 bb
 Warnings:
-Warning	1931	Query execution was interrupted. The query examined at least 6 rows, which exceeds LIMIT ROWS EXAMINED (5). The query result may be incomplete.
+Warning	1931	Query execution was interrupted. The query examined at least 7 rows, which exceeds LIMIT ROWS EXAMINED (5). The query result may be incomplete.
 Subqueries with materialization
 set @@optimizer_switch='semijoin=off,in_to_exists=off,materialization=on,subquery_cache=on';
 explain
--- a/mysql-test/r/log_state.result
+++ b/mysql-test/r/log_state.result
@ -199,7 +199,7 @@ SELECT @@general_log, @@log;
 1	1
 SET GLOBAL log = 0;
 Warnings:
-Warning	1287	The syntax '@@log' is deprecated and will be removed in MariaDB 10.1. Please use '@@general_log' instead
+Warning	1287	'@@log' is deprecated and will be removed in a future release. Please use '@@general_log' instead
 SHOW VARIABLES LIKE 'general_log';
 Variable_name	Value
 general_log	OFF
@ -230,7 +230,7 @@ SELECT @@slow_query_log, @@log_slow_queries;
 0	0
 SET GLOBAL log_slow_queries = 0;
 Warnings:
-Warning	1287	The syntax '@@log_slow_queries' is deprecated and will be removed in MariaDB 10.1. Please use '@@slow_query_log' instead
+Warning	1287	'@@log_slow_queries' is deprecated and will be removed in a future release. Please use '@@slow_query_log' instead
 SHOW VARIABLES LIKE 'slow_query_log';
 Variable_name	Value
 slow_query_log	OFF
@ -283,16 +283,16 @@ SET GLOBAL slow_query_log_file = @old_slow_query_log_file;
 deprecated:
 SET GLOBAL log = 0;
 Warnings:
-Warning	1287	The syntax '@@log' is deprecated and will be removed in MariaDB 10.1. Please use '@@general_log' instead
+Warning	1287	'@@log' is deprecated and will be removed in a future release. Please use '@@general_log' instead
 SET GLOBAL log_slow_queries = 0;
 Warnings:
-Warning	1287	The syntax '@@log_slow_queries' is deprecated and will be removed in MariaDB 10.1. Please use '@@slow_query_log' instead
+Warning	1287	'@@log_slow_queries' is deprecated and will be removed in a future release. Please use '@@slow_query_log' instead
 SET GLOBAL log = DEFAULT;
 Warnings:
-Warning	1287	The syntax '@@log' is deprecated and will be removed in MariaDB 10.1. Please use '@@general_log' instead
+Warning	1287	'@@log' is deprecated and will be removed in a future release. Please use '@@general_log' instead
 SET GLOBAL log_slow_queries = DEFAULT;
 Warnings:
-Warning	1287	The syntax '@@log_slow_queries' is deprecated and will be removed in MariaDB 10.1. Please use '@@slow_query_log' instead
+Warning	1287	'@@log_slow_queries' is deprecated and will be removed in a future release. Please use '@@slow_query_log' instead
 not deprecated:
 SELECT @@global.general_log_file INTO @my_glf;
 SELECT @@global.slow_query_log_file INTO @my_sqlf;
--- a/mysql-test/r/mysqld--help,win.rdiff
+++ b/mysql-test/r/mysqld--help,win.rdiff
@ -1,6 +1,6 @@
--- r/mysqld--help.result	2012-01-13 16:50:49.000000000 +0100
-+++ r/mysqld--help-win.result	2012-01-19 14:12:00.000000000 +0100
-@@ -240,7 +240,6 @@
+--- mysql-test/r/mysqld--help.result	2012-09-08 22:22:06 +0000
+++ mysql-test/r/mysqld--help.result	2012-10-01 14:03:59 +0000
+@@ -244,7 +244,6 @@
  The number of segments in a key cache
  -L, --language=name Client error messages in given language. May be given as
  a full path. Deprecated. Use --lc-messages-dir instead.
@ -8,7 +8,7 @@
  --lc-messages=name  Set the language used for the error messages.
  -L, --lc-messages-dir=name 
  Directory where error messages are
-@@ -436,6 +435,7 @@
+@@ -440,6 +439,7 @@
  NULLS_UNEQUAL (default behavior for 4.1 and later),
  NULLS_EQUAL (emulate 4.0 behavior), and NULLS_IGNORED
  --myisam-use-mmap   Use memory mapping for reading and writing MyISAM tables
@ -16,7 +16,7 @@
  --net-buffer-length=# 
  Buffer length for TCP/IP and socket communication
  --net-read-timeout=# 
-@@ -695,6 +695,9 @@
+@@ -707,6 +707,9 @@
  files within specified directory
  --server-id=#       Uniquely identifies the server instance in the community
  of replication partners
@ -26,7 +26,7 @@
  --show-slave-auth-info 
  Show user and password in SHOW SLAVE HOSTS on this
  master.
-@@ -759,6 +762,10 @@
+@@ -774,6 +777,10 @@
  Log slow queries to given log file. Defaults logging to
  'hostname'-slow.log. Must be enabled to activate other
  slow log options
@ -37,7 +37,7 @@
  --socket=name       Socket file to use for connection
  --sort-buffer-size=# 
  Each thread that needs to do a sort allocates a buffer of
-@@ -767,6 +774,7 @@
+@@ -782,6 +789,7 @@
  for the complete list of valid sql modes
  --stack-trace       Print a symbolic stack trace on failure
  (Defaults to on; use --skip-stack-trace to disable.)
@ -45,7 +45,7 @@
  --stored-program-cache=# 
  The soft upper limit for number of cached stored routines
  for one connection.
-@@ -807,8 +815,8 @@
+@@ -822,8 +830,8 @@
  size, MySQL will automatically convert it to an on-disk
  MyISAM or Aria table
  -t, --tmpdir=name   Path for temporary files. Several paths may be specified,
@ -56,15 +56,15 @@
  --transaction-alloc-block-size=# 
  Allocation block size for transactions to be stored in
  binary log
-@@ -908,7 +916,6 @@
+@@ -923,7 +931,6 @@ key-cache-age-threshold 300
+ key-cache-block-size 1024
 key-cache-division-limit 100
 key-cache-segments 0
- language MYSQL_SHAREDIR/
 -large-pages FALSE
 lc-messages en_US
 lc-messages-dir MYSQL_SHAREDIR/
 lc-time-names en_US
-@@ -971,6 +978,7 @@
+@@ -986,6 +993,7 @@ myisam-repair-threads 1
 myisam-sort-buffer-size 8388608
 myisam-stats-method nulls_unequal
 myisam-use-mmap FALSE
@ -72,7 +72,7 @@
 net-buffer-length 16384
 net-read-timeout 30
 net-retry-count 10
-@@ -1035,6 +1043,8 @@
+@@ -1051,6 +1059,8 @@ safe-user-create FALSE
 secure-auth FALSE
 secure-file-priv (No default value)
 server-id 0
@ -81,7 +81,7 @@
 show-slave-auth-info FALSE
 skip-grant-tables TRUE
 skip-name-resolve FALSE
-@@ -1050,6 +1060,7 @@
+@@ -1067,6 +1077,7 @@ slave-transaction-retries 10
 slave-type-conversions 
 slow-launch-time 2
 slow-query-log FALSE
@ -89,3 +89,4 @@
 sort-buffer-size 2097152
 sql-mode 
 stack-trace TRUE
+
--- a/mysql-test/r/mysqld--help.result
+++ b/mysql-test/r/mysqld--help.result
@ -204,6 +204,10 @@ The following options may be given as the first argument:
 -?, --help          Display this help and exit.
 --ignore-builtin-innodb 
 Disable initialization of builtin InnoDB plugin
+ --ignore-db-dirs=name 
+ Specifies a directory to add to the ignore list when
+ collecting database names from the datadir. Put a blank
+ argument to reset the list accumulated so far.
 --init-connect=name Command(s) that are executed for each new connection
 (unless the user has SUPER privilege)
 --init-file=name    Read SQL commands from this file at startup
@ -908,6 +912,7 @@ general-log FALSE
 group-concat-max-len 1024
 help TRUE
 ignore-builtin-innodb FALSE
+ignore-db-dirs 
 init-connect 
 init-file (No default value)
 init-rpl-role MASTER
--- a/mysql-test/r/openssl_1.result
+++ b/mysql-test/r/openssl_1.result
@ -44,9 +44,9 @@ ERROR 42000: DELETE command denied to user 'ssl_user4'@'localhost' for table 't1
 drop user ssl_user1@localhost, ssl_user2@localhost,
 ssl_user3@localhost, ssl_user4@localhost, ssl_user5@localhost;
 drop table t1;
-mysqltest: Could not open connection 'default': 2026 SSL connection error: ASN: bad other signature confirmation
-mysqltest: Could not open connection 'default': 2026 SSL connection error: ASN: bad other signature confirmation
-mysqltest: Could not open connection 'default': 2026 SSL connection error: ASN: bad other signature confirmation
+mysqltest: Could not open connection 'default': 2026 SSL connection error: xxxx
+mysqltest: Could not open connection 'default': 2026 SSL connection error: xxxx
+mysqltest: Could not open connection 'default': 2026 SSL connection error: xxxx
 SSL error: Unable to get private key from ''
 mysqltest: Could not open connection 'default': 2026 SSL connection error: Unable to get private key
 SSL error: Unable to get certificate from ''
@ -83,7 +83,7 @@ Ssl_cipher	AES128-SHA
 SHOW STATUS LIKE 'Ssl_cipher';
 Variable_name	Value
 Ssl_cipher	AES128-SHA
-mysqltest: Could not open connection 'default': 2026 SSL connection error: SSL_CTX_new failed
+mysqltest: Could not open connection 'default': 2026 SSL connection error: Failed to set ciphers to use
 CREATE TABLE t1(a int);
 INSERT INTO t1 VALUES (1), (2);

--- a/mysql-test/r/order_by.result
+++ b/mysql-test/r/order_by.result
@ -2830,3 +2830,79 @@ f0	f1	f2
 set sort_buffer_size= @save_sort_buffer_size;
 DROP TABLE t1;
 End of 5.3 tests
+#
+# Bug 54599: discarded fast range scan for query with 
+#            GROUP BY + ORDER BY + LIMIT 
+#
+create table t0 (a int);
+insert into t0 values (0), (1), (2), (3), (4), (5), (6), (7), (8), (9);
+create table t1 (a int, b int, index idx1(a,b), index idx2(b,a));
+insert into t1
+select 1000*s4.a+100*s3.a+10*s2.a + s1.a, 1000*s4.a+100*s3.a+10*s2.a+s1.a
+from t0 s1, t0 s2, t0 s3, t0 s4;
+analyze table t1;
+explain
+select b, count(*) num_cnt from t1
+where a > 9750 group by b order by num_cnt;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	idx1	idx1	5	NULL	502	Using where; Using index; Using temporary; Using filesort
+flush status;
+select b, count(*) num_cnt from t1
+where a > 9750 group by b order by num_cnt;
+show status like '%Handler_read%';
+Variable_name	Value
+Handler_read_first	0
+Handler_read_key	250
+Handler_read_last	0
+Handler_read_next	249
+Handler_read_prev	0
+Handler_read_rnd	249
+Handler_read_rnd_deleted	0
+Handler_read_rnd_next	250
+explain
+select b, count(*) num_cnt from t1 
+where a > 9750 group by b order by num_cnt limit 1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	idx1	idx1	5	NULL	502	Using where; Using index; Using temporary; Using filesort
+flush status;
+select b, count(*) num_cnt from t1 
+where a > 9750 group by b order by num_cnt limit 1;
+show status like '%Handler_read%';
+Variable_name	Value
+Handler_read_first	0
+Handler_read_key	250
+Handler_read_last	0
+Handler_read_next	249
+Handler_read_prev	0
+Handler_read_rnd	1
+Handler_read_rnd_deleted	0
+Handler_read_rnd_next	250
+drop table t0, t1;
+#
+# LP bug #1002508 : the number  of expected rows to be examined is off
+# (bug #13528826)
+#             
+CREATE TABLE t1(a int PRIMARY KEY, b int) ENGINE=myisam;
+INSERT INTO t1 VALUES
+(5, 10), (2, 70), (7, 80), (6, 20), (1, 50), (9, 40), (8, 30), (3, 60);
+CREATE TABLE t2 (p int, a int, INDEX i_a(a)) ENGINE=myisam;
+INSERT INTO t2 VALUES
+(103, 7), (109, 3), (102, 3), (108, 1), (106, 3),
+(107, 7), (105, 1), (101, 3), (100, 7), (110, 1);
+EXPLAIN 
+SELECT t1.a FROM t1 LEFT JOIN t2 ON t1.a=t2.a ORDER BY t1.a;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	index	NULL	PRIMARY	4	NULL	8	Using index
+1	SIMPLE	t2	ref	i_a	i_a	5	test.t1.a	2	Using index
+EXPLAIN 
+SELECT t1.a FROM t1 LEFT JOIN t2 ON t1.a=t2.a ORDER BY t1.a LIMIT 8;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	index	NULL	PRIMARY	4	NULL	4	Using index
+1	SIMPLE	t2	ref	i_a	i_a	5	test.t1.a	2	Using index
+EXPLAIN 
+SELECT t1.a FROM t1 LEFT JOIN t2 ON t1.a=t2.a ORDER BY t1.a LIMIT 100;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	index	NULL	PRIMARY	4	NULL	8	Using index
+1	SIMPLE	t2	ref	i_a	i_a	5	test.t1.a	2	Using index
+DROP TABLE t1,t2;
+End of 5.5 tests
--- a/mysql-test/r/order_fill_sortbuf.result
+++ b/mysql-test/r/order_fill_sortbuf.result
@ -1,4 +1,5 @@
 drop table if exists t1,t2;
+set @@sort_buffer_size=32804;
 CREATE TABLE `t1` (
 `id` int(11) NOT NULL default '0',
 `id2` int(11) NOT NULL default '0',
--- a/mysql-test/r/partition.result
+++ b/mysql-test/r/partition.result
@ -2394,6 +2394,12 @@ HAVING b > geomfromtext("")
 );
 1
 DROP TABLE t1;
+
+MDEV-612  Valgrind error in  ha_maria::check_if_incompatible_data
+
+CREATE TABLE t1 (a INT, b INT, KEY(a)) ENGINE=Aria PARTITION BY KEY(a) PARTITIONS 2;
+ALTER TABLE t1 ADD KEY (b);
+drop table t1;
 End of 5.1 tests
 #
 # BUG#55385: UPDATE statement throws an error, but still updates
--- a/mysql-test/r/ps_1general.result
+++ b/mysql-test/r/ps_1general.result
@ -777,3 +777,14 @@ execute stmt1 ;
 prepare stmt1 from ' select * from t5 ' ;
 execute stmt1 ;
 drop table t1, t5, t9;
+#
+# testcase for bug#11765413 - Crash with dependent subquery and
+#                             prepared statement
+create table t1 (c1 int);
+insert into t1 values (1);
+prepare stmt1 from "select 1 from t1 where 1=(select 1 from t1 having c1)";
+execute stmt1;
+1
+1
+drop prepare stmt1;
+drop table t1;
--- a/mysql-test/r/range_vs_index_merge.result
+++ b/mysql-test/r/range_vs_index_merge.result
@ -1221,6 +1221,153 @@ Lugansk	UKR	469000
 Seattle	USA	563374
 Caracas	VEN	1975294
 set optimizer_switch=@save_optimizer_switch;
+# 
+# Bug mdev-585: range vs index-merge with ORDER BY ... LIMIT n
+# (LP bug #637962)
+# 
+DROP INDEX CountryPopulation ON City;
+DROP INDEX CountryName ON City;
+DROP INDEX CityName on City;
+CREATE INDEX Name ON City(Name);
+CREATE INDEX Population ON City(Population);
+EXPLAIN 
+SELECT * FROM City
+WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'H'))
+AND (Population >= 100000 AND Population < 120000);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	City	index_merge	Country,Name,Population	Name,Country	35,3	NULL	#	Using sort_union(Name,Country); Using where
+FLUSH STATUS;
+SELECT * FROM City
+WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'H'))
+AND (Population >= 100000 AND Population < 120000);
+ID	Name	Country	Population
+384	Cabo Frio	BRA	119503
+387	Camaragibe	BRA	118968
+403	Catanduva	BRA	107761
+412	Cachoeirinha	BRA	103240
+508	Watford	GBR	113080
+509	Ipswich	GBR	114000
+510	Slough	GBR	112000
+511	Exeter	GBR	111000
+512	Cheltenham	GBR	106000
+513	Gloucester	GBR	107000
+514	Saint Helens	GBR	106293
+515	Sutton Coldfield	GBR	106001
+516	York	GBR	104425
+517	Oldham	GBR	103931
+518	Basildon	GBR	100924
+519	Worthing	GBR	100000
+635	Mallawi	EGY	119283
+636	Bilbays	EGY	113608
+637	Mit Ghamr	EGY	101801
+638	al-Arish	EGY	100447
+701	Tarragona	ESP	113016
+702	Lleida (Lérida)	ESP	112207
+703	Jaén	ESP	109247
+704	Ourense (Orense)	ESP	109120
+705	Mataró	ESP	104095
+706	Algeciras	ESP	103106
+707	Marbella	ESP	101144
+759	Gonder	ETH	112249
+869	Cabuyao	PHL	106630
+870	Calapan	PHL	105910
+873	Cauayan	PHL	103952
+903	Serekunda	GMB	102600
+909	Sohumi	GEO	111700
+913	Tema	GHA	109975
+914	Sekondi-Takoradi	GHA	103653
+924	Villa Nueva	GTM	101295
+1844	Cape Breton	CAN	114733
+1847	Cambridge	CAN	109186
+2406	Herakleion	GRC	116178
+2407	Kallithea	GRC	114233
+2408	Larisa	GRC	113090
+2908	Cajamarca	PER	108009
+3002	Besançon	FRA	117733
+3003	Caen	FRA	113987
+3004	Orléans	FRA	113126
+3005	Mulhouse	FRA	110359
+3006	Rouen	FRA	106592
+3007	Boulogne-Billancourt	FRA	106367
+3008	Perpignan	FRA	105115
+3009	Nancy	FRA	103605
+3411	Ceyhan	TUR	102412
+3567	Carúpano	VEN	119639
+3568	Catia La Mar	VEN	117012
+3571	Calabozo	VEN	107146
+3786	Cam Ranh	VNM	114041
+3792	Tartu	EST	101246
+4002	Carrollton	USA	109576
+4027	Cape Coral	USA	102286
+4032	Cambridge	USA	101355
+SHOW STATUS LIKE 'Handler_read_%';
+Variable_name	Value
+Handler_read_first	0
+Handler_read_key	2
+Handler_read_last	0
+Handler_read_next	385
+Handler_read_prev	0
+Handler_read_rnd	377
+Handler_read_rnd_deleted	0
+Handler_read_rnd_next	0
+EXPLAIN 
+SELECT * FROM City
+WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'H'))
+AND (Population >= 100000 AND Population < 120000)
+ORDER BY Population LIMIT 5;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	City	range	Country,Name,Population	Population	4	NULL	#	Using where
+FLUSH STATUS;
+SELECT * FROM City
+WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'H'))
+AND (Population >= 100000 AND Population < 120000)
+ORDER BY Population LIMIT 5;
+ID	Name	Country	Population
+519	Worthing	GBR	100000
+638	al-Arish	EGY	100447
+518	Basildon	GBR	100924
+707	Marbella	ESP	101144
+3792	Tartu	EST	101246
+SHOW STATUS LIKE 'Handler_read_%';
+Variable_name	Value
+Handler_read_first	0
+Handler_read_key	1
+Handler_read_last	0
+Handler_read_next	59
+Handler_read_prev	0
+Handler_read_rnd	0
+Handler_read_rnd_deleted	0
+Handler_read_rnd_next	0
+set optimizer_switch='index_merge=off';
+EXPLAIN 
+SELECT * FROM City
+WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'H'))
+AND (Population >= 100000 AND Population < 120000)
+ORDER BY Population LIMIT 5;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	City	range	Country,Name,Population	Population	4	NULL	#	Using index condition; Using where
+FLUSH STATUS;
+SELECT * FROM City
+WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'H'))
+AND (Population >= 100000 AND Population < 120000)
+ORDER BY Population LIMIT 5;
+ID	Name	Country	Population
+519	Worthing	GBR	100000
+638	al-Arish	EGY	100447
+518	Basildon	GBR	100924
+707	Marbella	ESP	101144
+3792	Tartu	EST	101246
+SHOW STATUS LIKE 'Handler_read_%';
+Variable_name	Value
+Handler_read_first	0
+Handler_read_key	1
+Handler_read_last	0
+Handler_read_next	59
+Handler_read_prev	0
+Handler_read_rnd	0
+Handler_read_rnd_deleted	0
+Handler_read_rnd_next	0
+set optimizer_switch=@save_optimizer_switch;
 DROP DATABASE world;
 use test;
 CREATE TABLE t1 (
--- a/mysql-test/r/range_vs_index_merge_innodb,innodb_plugin.rdiff
+++ b/mysql-test/r/range_vs_index_merge_innodb,innodb_plugin.rdiff
@ -1,5 +1,5 @@
--- r/range_vs_index_merge_innodb.result	2012-03-24 17:12:02.124422000 +0100
-+++ r/range_vs_index_merge_innodb,innodb_plugin.reject	2012-03-24 18:00:13.647902620 +0100
+--- ./r/range_vs_index_merge_innodb.result	2012-11-21 19:35:14.000000000 +0100
+++ ./r/range_vs_index_merge_innodb,innodb_plugin.reject	2012-11-21 20:56:00.000000000 +0100
@@ -50,14 +50,14 @@
 WHERE (Population >= 100000 OR Name LIKE 'P%') AND Country='CAN' OR
 (Population < 100000 OR Name Like 'T%') AND Country='ARG';
@ -269,3 +269,12 @@
 SELECT Name, Country, Population FROM City WHERE
 (Name='Manila' AND Country='PHL') OR
 (Name='Addis Abeba' AND Country='ETH') OR          
+@@ -1346,7 +1346,7 @@
+ AND (Population >= 100000 AND Population < 120000)
+ ORDER BY Population LIMIT 5;
+ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+-1	SIMPLE	City	range	Country,Name,Population	Population	4	NULL	#	Using index condition; Using where
+1	SIMPLE	City	range	Country,Name,Population	Population	4	NULL	#	Using where
+ FLUSH STATUS;
+ SELECT * FROM City
+ WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'H'))
--- a/mysql-test/r/range_vs_index_merge_innodb.result
+++ b/mysql-test/r/range_vs_index_merge_innodb.result
@ -1222,6 +1222,153 @@ Lugansk	UKR	469000
 Seattle	USA	563374
 Caracas	VEN	1975294
 set optimizer_switch=@save_optimizer_switch;
+# 
+# Bug mdev-585: range vs index-merge with ORDER BY ... LIMIT n
+# (LP bug #637962)
+# 
+DROP INDEX CountryPopulation ON City;
+DROP INDEX CountryName ON City;
+DROP INDEX CityName on City;
+CREATE INDEX Name ON City(Name);
+CREATE INDEX Population ON City(Population);
+EXPLAIN 
+SELECT * FROM City
+WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'H'))
+AND (Population >= 100000 AND Population < 120000);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	City	index_merge	Country,Name,Population	Name,Country	35,3	NULL	#	Using sort_union(Name,Country); Using where
+FLUSH STATUS;
+SELECT * FROM City
+WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'H'))
+AND (Population >= 100000 AND Population < 120000);
+ID	Name	Country	Population
+384	Cabo Frio	BRA	119503
+387	Camaragibe	BRA	118968
+403	Catanduva	BRA	107761
+412	Cachoeirinha	BRA	103240
+508	Watford	GBR	113080
+509	Ipswich	GBR	114000
+510	Slough	GBR	112000
+511	Exeter	GBR	111000
+512	Cheltenham	GBR	106000
+513	Gloucester	GBR	107000
+514	Saint Helens	GBR	106293
+515	Sutton Coldfield	GBR	106001
+516	York	GBR	104425
+517	Oldham	GBR	103931
+518	Basildon	GBR	100924
+519	Worthing	GBR	100000
+635	Mallawi	EGY	119283
+636	Bilbays	EGY	113608
+637	Mit Ghamr	EGY	101801
+638	al-Arish	EGY	100447
+701	Tarragona	ESP	113016
+702	Lleida (Lérida)	ESP	112207
+703	Jaén	ESP	109247
+704	Ourense (Orense)	ESP	109120
+705	Mataró	ESP	104095
+706	Algeciras	ESP	103106
+707	Marbella	ESP	101144
+759	Gonder	ETH	112249
+869	Cabuyao	PHL	106630
+870	Calapan	PHL	105910
+873	Cauayan	PHL	103952
+903	Serekunda	GMB	102600
+909	Sohumi	GEO	111700
+913	Tema	GHA	109975
+914	Sekondi-Takoradi	GHA	103653
+924	Villa Nueva	GTM	101295
+1844	Cape Breton	CAN	114733
+1847	Cambridge	CAN	109186
+2406	Herakleion	GRC	116178
+2407	Kallithea	GRC	114233
+2408	Larisa	GRC	113090
+2908	Cajamarca	PER	108009
+3002	Besançon	FRA	117733
+3003	Caen	FRA	113987
+3004	Orléans	FRA	113126
+3005	Mulhouse	FRA	110359
+3006	Rouen	FRA	106592
+3007	Boulogne-Billancourt	FRA	106367
+3008	Perpignan	FRA	105115
+3009	Nancy	FRA	103605
+3411	Ceyhan	TUR	102412
+3567	Carúpano	VEN	119639
+3568	Catia La Mar	VEN	117012
+3571	Calabozo	VEN	107146
+3786	Cam Ranh	VNM	114041
+3792	Tartu	EST	101246
+4002	Carrollton	USA	109576
+4027	Cape Coral	USA	102286
+4032	Cambridge	USA	101355
+SHOW STATUS LIKE 'Handler_read_%';
+Variable_name	Value
+Handler_read_first	0
+Handler_read_key	2
+Handler_read_last	0
+Handler_read_next	385
+Handler_read_prev	0
+Handler_read_rnd	377
+Handler_read_rnd_deleted	0
+Handler_read_rnd_next	0
+EXPLAIN 
+SELECT * FROM City
+WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'H'))
+AND (Population >= 100000 AND Population < 120000)
+ORDER BY Population LIMIT 5;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	City	range	Country,Name,Population	Population	4	NULL	#	Using where
+FLUSH STATUS;
+SELECT * FROM City
+WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'H'))
+AND (Population >= 100000 AND Population < 120000)
+ORDER BY Population LIMIT 5;
+ID	Name	Country	Population
+519	Worthing	GBR	100000
+638	al-Arish	EGY	100447
+518	Basildon	GBR	100924
+707	Marbella	ESP	101144
+3792	Tartu	EST	101246
+SHOW STATUS LIKE 'Handler_read_%';
+Variable_name	Value
+Handler_read_first	0
+Handler_read_key	1
+Handler_read_last	0
+Handler_read_next	59
+Handler_read_prev	0
+Handler_read_rnd	0
+Handler_read_rnd_deleted	0
+Handler_read_rnd_next	0
+set optimizer_switch='index_merge=off';
+EXPLAIN 
+SELECT * FROM City
+WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'H'))
+AND (Population >= 100000 AND Population < 120000)
+ORDER BY Population LIMIT 5;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	City	range	Country,Name,Population	Population	4	NULL	#	Using index condition; Using where
+FLUSH STATUS;
+SELECT * FROM City
+WHERE ((Name > 'Ca' AND Name < 'Cf') OR (Country > 'E' AND Country < 'H'))
+AND (Population >= 100000 AND Population < 120000)
+ORDER BY Population LIMIT 5;
+ID	Name	Country	Population
+519	Worthing	GBR	100000
+638	al-Arish	EGY	100447
+518	Basildon	GBR	100924
+707	Marbella	ESP	101144
+3792	Tartu	EST	101246
+SHOW STATUS LIKE 'Handler_read_%';
+Variable_name	Value
+Handler_read_first	0
+Handler_read_key	1
+Handler_read_last	0
+Handler_read_next	59
+Handler_read_prev	0
+Handler_read_rnd	0
+Handler_read_rnd_deleted	0
+Handler_read_rnd_next	0
+set optimizer_switch=@save_optimizer_switch;
 DROP DATABASE world;
 use test;
 CREATE TABLE t1 (
--- a/mysql-test/r/select.result
+++ b/mysql-test/r/select.result
@ -4887,7 +4887,7 @@ CREATE TABLE t5 (f1 int) ;
 INSERT INTO t5 VALUES (20),(5);
 CREATE TABLE t6(f1 int);
 INSERT INTO t6 VALUES (9),(7);
-SET SESSION join_buffer_size = 2048;
+SET SESSION join_buffer_size = 2176;
 EXPLAIN
 SELECT STRAIGHT_JOIN * FROM t2, (t1 LEFT JOIN (t3,t4) ON t1.f1 = t4.f1), t5, t6;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
@ -4901,50 +4901,50 @@ SELECT STRAIGHT_JOIN * FROM t2, (t1 LEFT JOIN (t3,t4) ON t1.f1 = t4.f1), t5, t6;
 f1	f1	f1	f1	f2	f1	f1
 3	9	NULL	NULL	NULL	20	9
 7	9	NULL	NULL	NULL	20	9
-3	9	NULL	NULL	NULL	20	7
-7	9	NULL	NULL	NULL	20	7
-3	9	NULL	NULL	NULL	5	9
-7	9	NULL	NULL	NULL	5	9
-3	9	NULL	NULL	NULL	5	7
-7	9	NULL	NULL	NULL	5	7
 18	9	NULL	NULL	NULL	20	9
 3	9	NULL	NULL	NULL	20	9
-18	9	NULL	NULL	NULL	20	7
-3	9	NULL	NULL	NULL	20	7
-18	9	NULL	NULL	NULL	5	9
-3	9	NULL	NULL	NULL	5	9
-18	9	NULL	NULL	NULL	5	7
-3	9	NULL	NULL	NULL	5	7
-7	9	NULL	NULL	NULL	20	9
-18	9	NULL	NULL	NULL	20	9
-7	9	NULL	NULL	NULL	20	7
-18	9	NULL	NULL	NULL	20	7
-7	9	NULL	NULL	NULL	5	9
-18	9	NULL	NULL	NULL	5	9
-7	9	NULL	NULL	NULL	5	7
-18	9	NULL	NULL	NULL	5	7
-3	9	NULL	NULL	NULL	20	9
 7	9	NULL	NULL	NULL	20	9
 3	9	NULL	NULL	NULL	20	7
 7	9	NULL	NULL	NULL	20	7
-3	9	NULL	NULL	NULL	5	9
-7	9	NULL	NULL	NULL	5	9
-3	9	NULL	NULL	NULL	5	7
-7	9	NULL	NULL	NULL	5	7
-18	9	NULL	NULL	NULL	20	9
-3	9	NULL	NULL	NULL	20	9
 18	9	NULL	NULL	NULL	20	7
 3	9	NULL	NULL	NULL	20	7
-18	9	NULL	NULL	NULL	5	9
-3	9	NULL	NULL	NULL	5	9
-18	9	NULL	NULL	NULL	5	7
-3	9	NULL	NULL	NULL	5	7
-7	9	NULL	NULL	NULL	20	9
-18	9	NULL	NULL	NULL	20	9
 7	9	NULL	NULL	NULL	20	7
-18	9	NULL	NULL	NULL	20	7
+18	9	NULL	NULL	NULL	20	9
+3	9	NULL	NULL	NULL	20	9
+3	9	NULL	NULL	NULL	5	9
 7	9	NULL	NULL	NULL	5	9
 18	9	NULL	NULL	NULL	5	9
+18	9	NULL	NULL	NULL	20	7
+3	9	NULL	NULL	NULL	20	7
+3	9	NULL	NULL	NULL	5	7
+7	9	NULL	NULL	NULL	5	7
+18	9	NULL	NULL	NULL	5	7
+3	9	NULL	NULL	NULL	5	9
+7	9	NULL	NULL	NULL	5	9
+18	9	NULL	NULL	NULL	5	9
+3	9	NULL	NULL	NULL	5	9
+7	9	NULL	NULL	NULL	20	9
+3	9	NULL	NULL	NULL	5	7
+7	9	NULL	NULL	NULL	5	7
+18	9	NULL	NULL	NULL	5	7
+3	9	NULL	NULL	NULL	5	7
+7	9	NULL	NULL	NULL	20	7
+18	9	NULL	NULL	NULL	20	9
+3	9	NULL	NULL	NULL	20	9
+7	9	NULL	NULL	NULL	20	9
+18	9	NULL	NULL	NULL	20	9
+7	9	NULL	NULL	NULL	5	9
+18	9	NULL	NULL	NULL	20	7
+3	9	NULL	NULL	NULL	20	7
+7	9	NULL	NULL	NULL	20	7
+18	9	NULL	NULL	NULL	20	7
+7	9	NULL	NULL	NULL	5	7
+18	9	NULL	NULL	NULL	5	9
+3	9	NULL	NULL	NULL	5	9
+7	9	NULL	NULL	NULL	5	9
+18	9	NULL	NULL	NULL	5	9
+18	9	NULL	NULL	NULL	5	7
+3	9	NULL	NULL	NULL	5	7
 7	9	NULL	NULL	NULL	5	7
 18	9	NULL	NULL	NULL	5	7
 SET SESSION join_buffer_size = DEFAULT;
--- a/mysql-test/r/select_jcl6.result
+++ b/mysql-test/r/select_jcl6.result
@ -4898,7 +4898,7 @@ CREATE TABLE t5 (f1 int) ;
 INSERT INTO t5 VALUES (20),(5);
 CREATE TABLE t6(f1 int);
 INSERT INTO t6 VALUES (9),(7);
-SET SESSION join_buffer_size = 2048;
+SET SESSION join_buffer_size = 2176;
 EXPLAIN
 SELECT STRAIGHT_JOIN * FROM t2, (t1 LEFT JOIN (t3,t4) ON t1.f1 = t4.f1), t5, t6;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
@ -4913,48 +4913,48 @@ f1	f1	f1	f1	f2	f1	f1
 3	9	NULL	NULL	NULL	20	9
 7	9	NULL	NULL	NULL	20	9
 18	9	NULL	NULL	NULL	20	9
-3	9	NULL	NULL	NULL	5	9
-7	9	NULL	NULL	NULL	5	9
-18	9	NULL	NULL	NULL	5	9
-3	9	NULL	NULL	NULL	20	7
-7	9	NULL	NULL	NULL	20	7
-18	9	NULL	NULL	NULL	20	7
-3	9	NULL	NULL	NULL	5	7
-7	9	NULL	NULL	NULL	5	7
-18	9	NULL	NULL	NULL	5	7
+3	9	NULL	NULL	NULL	20	9
+7	9	NULL	NULL	NULL	20	9
+18	9	NULL	NULL	NULL	20	9
+3	9	NULL	NULL	NULL	20	9
+7	9	NULL	NULL	NULL	20	9
+18	9	NULL	NULL	NULL	20	9
 3	9	NULL	NULL	NULL	20	9
 7	9	NULL	NULL	NULL	20	9
 18	9	NULL	NULL	NULL	20	9
 3	9	NULL	NULL	NULL	5	9
 7	9	NULL	NULL	NULL	5	9
 18	9	NULL	NULL	NULL	5	9
-3	9	NULL	NULL	NULL	20	7
-7	9	NULL	NULL	NULL	20	7
-18	9	NULL	NULL	NULL	20	7
-3	9	NULL	NULL	NULL	5	7
-7	9	NULL	NULL	NULL	5	7
-18	9	NULL	NULL	NULL	5	7
-3	9	NULL	NULL	NULL	20	9
-7	9	NULL	NULL	NULL	20	9
-18	9	NULL	NULL	NULL	20	9
+3	9	NULL	NULL	NULL	5	9
+7	9	NULL	NULL	NULL	5	9
+18	9	NULL	NULL	NULL	5	9
+3	9	NULL	NULL	NULL	5	9
+7	9	NULL	NULL	NULL	5	9
+18	9	NULL	NULL	NULL	5	9
 3	9	NULL	NULL	NULL	5	9
 7	9	NULL	NULL	NULL	5	9
 18	9	NULL	NULL	NULL	5	9
 3	9	NULL	NULL	NULL	20	7
 7	9	NULL	NULL	NULL	20	7
 18	9	NULL	NULL	NULL	20	7
-3	9	NULL	NULL	NULL	5	7
-7	9	NULL	NULL	NULL	5	7
-18	9	NULL	NULL	NULL	5	7
-3	9	NULL	NULL	NULL	20	9
-7	9	NULL	NULL	NULL	20	9
-18	9	NULL	NULL	NULL	20	9
-3	9	NULL	NULL	NULL	5	9
-7	9	NULL	NULL	NULL	5	9
-18	9	NULL	NULL	NULL	5	9
 3	9	NULL	NULL	NULL	20	7
 7	9	NULL	NULL	NULL	20	7
 18	9	NULL	NULL	NULL	20	7
+3	9	NULL	NULL	NULL	20	7
+7	9	NULL	NULL	NULL	20	7
+18	9	NULL	NULL	NULL	20	7
+3	9	NULL	NULL	NULL	20	7
+7	9	NULL	NULL	NULL	20	7
+18	9	NULL	NULL	NULL	20	7
+3	9	NULL	NULL	NULL	5	7
+7	9	NULL	NULL	NULL	5	7
+18	9	NULL	NULL	NULL	5	7
+3	9	NULL	NULL	NULL	5	7
+7	9	NULL	NULL	NULL	5	7
+18	9	NULL	NULL	NULL	5	7
+3	9	NULL	NULL	NULL	5	7
+7	9	NULL	NULL	NULL	5	7
+18	9	NULL	NULL	NULL	5	7
 3	9	NULL	NULL	NULL	5	7
 7	9	NULL	NULL	NULL	5	7
 18	9	NULL	NULL	NULL	5	7
--- a/mysql-test/r/select_pkeycache.result
+++ b/mysql-test/r/select_pkeycache.result
@ -4887,7 +4887,7 @@ CREATE TABLE t5 (f1 int) ;
 INSERT INTO t5 VALUES (20),(5);
 CREATE TABLE t6(f1 int);
 INSERT INTO t6 VALUES (9),(7);
-SET SESSION join_buffer_size = 2048;
+SET SESSION join_buffer_size = 2176;
 EXPLAIN
 SELECT STRAIGHT_JOIN * FROM t2, (t1 LEFT JOIN (t3,t4) ON t1.f1 = t4.f1), t5, t6;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
@ -4901,50 +4901,50 @@ SELECT STRAIGHT_JOIN * FROM t2, (t1 LEFT JOIN (t3,t4) ON t1.f1 = t4.f1), t5, t6;
 f1	f1	f1	f1	f2	f1	f1
 3	9	NULL	NULL	NULL	20	9
 7	9	NULL	NULL	NULL	20	9
-3	9	NULL	NULL	NULL	20	7
-7	9	NULL	NULL	NULL	20	7
-3	9	NULL	NULL	NULL	5	9
-7	9	NULL	NULL	NULL	5	9
-3	9	NULL	NULL	NULL	5	7
-7	9	NULL	NULL	NULL	5	7
 18	9	NULL	NULL	NULL	20	9
 3	9	NULL	NULL	NULL	20	9
-18	9	NULL	NULL	NULL	20	7
-3	9	NULL	NULL	NULL	20	7
-18	9	NULL	NULL	NULL	5	9
-3	9	NULL	NULL	NULL	5	9
-18	9	NULL	NULL	NULL	5	7
-3	9	NULL	NULL	NULL	5	7
-7	9	NULL	NULL	NULL	20	9
-18	9	NULL	NULL	NULL	20	9
-7	9	NULL	NULL	NULL	20	7
-18	9	NULL	NULL	NULL	20	7
-7	9	NULL	NULL	NULL	5	9
-18	9	NULL	NULL	NULL	5	9
-7	9	NULL	NULL	NULL	5	7
-18	9	NULL	NULL	NULL	5	7
-3	9	NULL	NULL	NULL	20	9
 7	9	NULL	NULL	NULL	20	9
 3	9	NULL	NULL	NULL	20	7
 7	9	NULL	NULL	NULL	20	7
-3	9	NULL	NULL	NULL	5	9
-7	9	NULL	NULL	NULL	5	9
-3	9	NULL	NULL	NULL	5	7
-7	9	NULL	NULL	NULL	5	7
-18	9	NULL	NULL	NULL	20	9
-3	9	NULL	NULL	NULL	20	9
 18	9	NULL	NULL	NULL	20	7
 3	9	NULL	NULL	NULL	20	7
-18	9	NULL	NULL	NULL	5	9
-3	9	NULL	NULL	NULL	5	9
-18	9	NULL	NULL	NULL	5	7
-3	9	NULL	NULL	NULL	5	7
-7	9	NULL	NULL	NULL	20	9
-18	9	NULL	NULL	NULL	20	9
 7	9	NULL	NULL	NULL	20	7
-18	9	NULL	NULL	NULL	20	7
+18	9	NULL	NULL	NULL	20	9
+3	9	NULL	NULL	NULL	20	9
+3	9	NULL	NULL	NULL	5	9
 7	9	NULL	NULL	NULL	5	9
 18	9	NULL	NULL	NULL	5	9
+18	9	NULL	NULL	NULL	20	7
+3	9	NULL	NULL	NULL	20	7
+3	9	NULL	NULL	NULL	5	7
+7	9	NULL	NULL	NULL	5	7
+18	9	NULL	NULL	NULL	5	7
+3	9	NULL	NULL	NULL	5	9
+7	9	NULL	NULL	NULL	5	9
+18	9	NULL	NULL	NULL	5	9
+3	9	NULL	NULL	NULL	5	9
+7	9	NULL	NULL	NULL	20	9
+3	9	NULL	NULL	NULL	5	7
+7	9	NULL	NULL	NULL	5	7
+18	9	NULL	NULL	NULL	5	7
+3	9	NULL	NULL	NULL	5	7
+7	9	NULL	NULL	NULL	20	7
+18	9	NULL	NULL	NULL	20	9
+3	9	NULL	NULL	NULL	20	9
+7	9	NULL	NULL	NULL	20	9
+18	9	NULL	NULL	NULL	20	9
+7	9	NULL	NULL	NULL	5	9
+18	9	NULL	NULL	NULL	20	7
+3	9	NULL	NULL	NULL	20	7
+7	9	NULL	NULL	NULL	20	7
+18	9	NULL	NULL	NULL	20	7
+7	9	NULL	NULL	NULL	5	7
+18	9	NULL	NULL	NULL	5	9
+3	9	NULL	NULL	NULL	5	9
+7	9	NULL	NULL	NULL	5	9
+18	9	NULL	NULL	NULL	5	9
+18	9	NULL	NULL	NULL	5	7
+3	9	NULL	NULL	NULL	5	7
 7	9	NULL	NULL	NULL	5	7
 18	9	NULL	NULL	NULL	5	7
 SET SESSION join_buffer_size = DEFAULT;
--- a/mysql-test/r/subselect.result
+++ b/mysql-test/r/subselect.result
@ -6060,6 +6060,116 @@ WHERE (col_varchar_nokey, 'x') IN
 col_int_nokey
 1
 DROP TABLE ot,it1,it2;
+#
+# MDEV-746
+# Bug#13651009 WRONG RESULT FROM DERIVED TABLE IF THE SUBQUERY
+# HAS AN EMPTY RESULT
+#
+CREATE TABLE t1 (
+pk int NOT NULL,
+col_int_nokey int NOT NULL,
+col_int_key int NOT NULL,
+col_time_key time NOT NULL,
+col_varchar_key varchar(1) NOT NULL,
+col_varchar_nokey varchar(1) NOT NULL,
+PRIMARY KEY (pk),
+KEY col_int_key (col_int_key),
+KEY col_time_key (col_time_key),
+KEY col_varchar_key (col_varchar_key,col_int_key)
+) ENGINE=MyISAM;
+CREATE TABLE t2 (
+pk int NOT NULL AUTO_INCREMENT,
+col_int_nokey int NOT NULL,
+col_int_key int NOT NULL,
+col_time_key time NOT NULL,
+col_varchar_key varchar(1) NOT NULL,
+col_varchar_nokey varchar(1) NOT NULL,
+PRIMARY KEY (pk),
+KEY col_int_key (col_int_key),
+KEY col_time_key (col_time_key),
+KEY col_varchar_key (col_varchar_key,col_int_key)
+) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (1,4,4,'00:00:00','b','b');
+SET @var2:=4, @var3:=8;
+
+Testcase without inner subquery
+EXPLAIN SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3;
+@var3:=12	pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+SELECT @var3;
+@var3
+8
+EXPLAIN SELECT * FROM ( SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3 ) AS alias3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	<derived2>	system	NULL	NULL	NULL	NULL	0	const row not found
+2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
+SELECT * FROM ( SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3 ) AS alias3;
+@var3:=12	pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+SELECT @var3;
+@var3
+8
+
+Testcase with inner subquery; crashed WL#6095
+SET @var3=8;
+EXPLAIN SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3));
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+2	DEPENDENT SUBQUERY	c_sq1_alias1	system	PRIMARY	NULL	NULL	NULL	1	
+SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3));
+pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+EXPLAIN SELECT * FROM ( SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3)) ) AS alias3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+3	DEPENDENT SUBQUERY	c_sq1_alias1	system	PRIMARY	NULL	NULL	NULL	1	
+SELECT * FROM ( SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3)) ) AS alias3;
+pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+DROP TABLE t1,t2;
 End of 5.2 tests
 #
 # BUG#779885: Crash in eliminate_item_equal with materialization=on in
@ -6638,6 +6748,23 @@ a	( 3, 3 ) NOT IN ( SELECT NULL, NULL )
 set optimizer_switch=@mdev367_optimizer_switch;
 DROP TABLE t1;
 #
+# MDEV-521 single value subselect transformation problem
+#
+CREATE TABLE t1 (f1 char(2), PRIMARY KEY (f1)) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('u1'),('u2');
+SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
+f1
+u1
+u2
+FLUSH TABLES;
+SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
+f1
+u1
+u2
+DROP TABLE t1;
+# return optimizer switch changed in the beginning of this test
+set optimizer_switch=@subselect_tmp;
+#
 # lp:944706 Query with impossible or constant subquery in WHERE or HAVING is not
 # precomputed and thus not part of optimization
 #
@ -6843,10 +6970,31 @@ INSERT INTO t2 VALUES (45),(17),(20);
 EXPLAIN SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t1, t2 WHERE b = a GROUP BY a HAVING a <> 1 ) ;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
-2	SUBQUERY	t1	index	a	a	5	NULL	1	Using where; Using index
+2	SUBQUERY	t1	index	a	a	5	NULL	2	Using where; Using index
 2	SUBQUERY	t2	ref	b	b	5	test.t1.a	2	Using index
 DROP TABLE t1,t2;
 #
+# MDEV-435: Expensive subqueries may be evaluated during optimization in merge_key_fields
+#
+CREATE TABLE t1 (a INT, KEY(a)) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (8),(0);
+CREATE TABLE t2 (b INT, c VARCHAR(1)) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (4,'j'),(6,'v');
+CREATE TABLE t3 (d VARCHAR(1)) ENGINE=MyISAM;
+INSERT INTO t3 VALUES ('b'),('c');
+EXPLAIN
+SELECT * FROM t1
+WHERE a = (SELECT MAX(b) FROM t2 WHERE c IN (SELECT MAX(d) FROM t3)) OR a = 10;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	index	a	a	5	NULL	2	Using where; Using index
+2	SUBQUERY	<subquery3>	ALL	distinct_key	NULL	NULL	NULL	1	
+2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where; Using join buffer (flat, BNL join)
+3	MATERIALIZED	t3	ALL	NULL	NULL	NULL	NULL	2	
+SELECT * FROM t1
+WHERE a = (SELECT MAX(b) FROM t2 WHERE c IN (SELECT MAX(d) FROM t3)) OR a = 10;
+a
+drop table t1, t2, t3;
+#
 # MDEV-405: Server crashes in test_if_skip_sort_order on EXPLAIN with GROUP BY and HAVING in EXISTS subquery
 #
 CREATE TABLE t1 (a INT, KEY(a));
@ -6856,6 +7004,6 @@ INSERT INTO t2 VALUES (45),(17),(20);
 EXPLAIN SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t1, t2 WHERE b = a GROUP BY a HAVING a <> 1 ) ;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
-2	SUBQUERY	t1	index	a	a	5	NULL	1	Using where; Using index
+2	SUBQUERY	t1	index	a	a	5	NULL	2	Using where; Using index
 2	SUBQUERY	t2	ref	b	b	5	test.t1.a	2	Using index
 DROP TABLE t1,t2;
--- a/mysql-test/r/subselect2.result
+++ b/mysql-test/r/subselect2.result
@ -179,4 +179,120 @@ pk	a	b
 SET optimizer_switch=@tmp_optimizer_switch;
 DROP VIEW v1;
 DROP TABLE t1,t2,t3;
+#
+# MDEV-536: LP:1050806 - different result for a query using subquery 
+#
+DROP TABLE IF EXISTS `t1`;
+Warnings:
+Note	1051	Unknown table 't1'
+CREATE TABLE `t1` (
+`node_uid` bigint(20) unsigned DEFAULT NULL,
+`date` datetime DEFAULT NULL,
+`mirror_date` datetime DEFAULT NULL,
+KEY `date` (`date`)
+) ENGINE=MyISAM;
+INSERT INTO `t1` VALUES (2085,'2012-01-01 00:00:00','2013-01-01 00:00:00');
+INSERT INTO `t1` VALUES (2084,'2012-02-01 00:00:00','2013-01-01 00:00:00');
+INSERT INTO `t1` VALUES (2088,'2012-03-01 00:00:00','2013-01-01 00:00:00');
+SELECT * FROM (
+SELECT node_uid, date, mirror_date, @result := 0 AS result
+FROM t1
+WHERE date < '2012-12-12 12:12:12'
+    AND node_uid in (2085, 2084)
+ORDER BY mirror_date ASC
+) AS calculated_result;
+node_uid	date	mirror_date	result
+2085	2012-01-01 00:00:00	2013-01-01 00:00:00	0
+2084	2012-02-01 00:00:00	2013-01-01 00:00:00	0
+DROP TABLE t1;
+#
+# MDEV-567: Wrong result from a query with correlated subquery if ICP is allowed
+#
+CREATE TABLE t1 (a int, b int, INDEX idx(a));
+INSERT INTO t1 VALUES (9,0), (7,1), (1,9), (7,3), (2,1);
+CREATE TABLE t2 (a int, b int, INDEX idx(a));
+INSERT INTO t2 VALUES (2,1), (6,4), (7,6), (9,4);
+CREATE TABLE t3 (a int, b int);
+INSERT INTO t3 VALUES (1,0), (1,1), (1,3);
+SELECT * FROM t3
+WHERE a = (SELECT COUNT(DISTINCT t2.b) FROM t1, t2
+WHERE t1.a = t2.a AND t2.a BETWEEN 7 AND 9
+AND t3.b = t1.b
+GROUP BY t1.b);
+a	b
+1	0
+1	1
+1	3
+set @tmp_mdev567=@@optimizer_switch;
+set optimizer_switch='mrr=off';
+SELECT * FROM t3
+WHERE a = (SELECT COUNT(DISTINCT t2.b) FROM t1, t2
+WHERE t1.a = t2.a AND t2.a BETWEEN 7 AND 9
+AND t3.b = t1.b
+GROUP BY t1.b);
+a	b
+1	0
+1	1
+1	3
+DROP TABLE t1,t2,t3;
+set optimizer_switch=@tmp_mdev567;
+#
+# MDEV-614, also MDEV-536, also LP:1050806:
+#  different result for a query using subquery between 5.5.25 and 5.5.27
+#
+CREATE TABLE `t1` (
+`node_uid` bigint(20) unsigned DEFAULT NULL,
+`date` datetime DEFAULT NULL,
+`mirror_date` datetime DEFAULT NULL,
+KEY `date` (`date`)
+) ENGINE=MyISAM;
+INSERT INTO `t1` VALUES (2085,'2012-01-01 00:00:00','2013-01-01 00:00:00');
+INSERT INTO `t1` VALUES (2084,'2012-02-01 00:00:00','2013-01-01 00:00:00');
+INSERT INTO `t1` VALUES (2088,'2012-03-01 00:00:00','2013-01-01 00:00:00');
+explain
+SELECT * FROM (
+SELECT node_uid, date, mirror_date, @result := 0 AS result
+FROM t1
+WHERE date < '2012-12-12 12:12:12'
+    AND node_uid in (2085, 2084)
+ORDER BY mirror_date ASC
+) AS calculated_result;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	<derived2>	ALL	NULL	NULL	NULL	NULL	2	
+2	DERIVED	t1	range	date	date	9	NULL	2	Using index condition; Using where; Rowid-ordered scan; Using filesort
+SELECT * FROM (
+SELECT node_uid, date, mirror_date, @result := 0 AS result
+FROM t1
+WHERE date < '2012-12-12 12:12:12'
+    AND node_uid in (2085, 2084)
+ORDER BY mirror_date ASC
+) AS calculated_result;
+node_uid	date	mirror_date	result
+2085	2012-01-01 00:00:00	2013-01-01 00:00:00	0
+2084	2012-02-01 00:00:00	2013-01-01 00:00:00	0
+set @tmp_mdev614=@@optimizer_switch;
+set optimizer_switch='mrr=off';
+explain
+SELECT * FROM (
+SELECT node_uid, date, mirror_date, @result := 0 AS result
+FROM t1
+WHERE date < '2012-12-12 12:12:12'
+    AND node_uid in (2085, 2084)
+ORDER BY mirror_date ASC
+) AS calculated_result;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	<derived2>	ALL	NULL	NULL	NULL	NULL	2	
+2	DERIVED	t1	range	date	date	9	NULL	2	Using index condition; Using where; Using filesort
+SELECT * FROM (
+SELECT node_uid, date, mirror_date, @result := 0 AS result
+FROM t1
+WHERE date < '2012-12-12 12:12:12'
+    AND node_uid in (2085, 2084)
+ORDER BY mirror_date ASC
+) AS calculated_result;
+node_uid	date	mirror_date	result
+2085	2012-01-01 00:00:00	2013-01-01 00:00:00	0
+2084	2012-02-01 00:00:00	2013-01-01 00:00:00	0
+set optimizer_switch=@tmp_mdev614;
+DROP TABLE t1;
 set optimizer_switch=@subselect2_test_tmp;
--- a/mysql-test/r/subselect3.result
+++ b/mysql-test/r/subselect3.result
@ -126,7 +126,7 @@ Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
 Handler_read_rnd_deleted	0
-Handler_read_rnd_next	50
+Handler_read_rnd_next	41
 select 'No key lookups, seq reads: 29= 5 reads from t2 + 4 * 6 reads from t1.' Z;
 Z
 No key lookups, seq reads: 29= 5 reads from t2 + 4 * 6 reads from t1.
--- a/mysql-test/r/subselect3_jcl6.result
+++ b/mysql-test/r/subselect3_jcl6.result
@ -136,7 +136,7 @@ Handler_read_next	0
 Handler_read_prev	0
 Handler_read_rnd	0
 Handler_read_rnd_deleted	0
-Handler_read_rnd_next	50
+Handler_read_rnd_next	41
 select 'No key lookups, seq reads: 29= 5 reads from t2 + 4 * 6 reads from t1.' Z;
 Z
 No key lookups, seq reads: 29= 5 reads from t2 + 4 * 6 reads from t1.
--- a/mysql-test/r/subselect4.result
+++ b/mysql-test/r/subselect4.result
@ -430,7 +430,7 @@ set @old_optimizer_switch          = @@session.optimizer_switch,
 SET SESSION OPTIMIZER_SWITCH = 'materialization=off,semijoin=off,loosescan=off,firstmatch=off,mrr=on';
 SET SESSION engine_condition_pushdown = 1;
 Warnings:
-Warning	1287	The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MariaDB 10.1. Please use '@@optimizer_switch' instead
+Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
 SELECT `time_nokey` G1  FROM t1  WHERE ( `varchar_nokey`  , `varchar_key`  )  IN ( 
 SELECT `varchar_nokey`  , `varchar_nokey`  )  AND `varchar_key`  >= 'c' HAVING G1  ORDER 
 BY `pk`   ;
@ -438,7 +438,7 @@ G1
 set @@session.optimizer_switch          = @old_optimizer_switch,
@@session.engine_condition_pushdown = @old_engine_condition_pushdown;
 Warnings:
-Warning	1287	The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MariaDB 10.1. Please use '@@optimizer_switch' instead
+Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
 DROP TABLE t1;
 #
 # During work with BUG#45863 I had problems with a query that was
@ -625,7 +625,7 @@ SELECT @old_icp:=@@engine_condition_pushdown;
 #
 SET SESSION engine_condition_pushdown = 'ON';
 Warnings:
-Warning	1287	The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MariaDB 10.1. Please use '@@optimizer_switch' instead
+Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead

 SELECT pk
 FROM t2
@ -640,7 +640,7 @@ pk
 # Restore old value for Index condition pushdown
 SET SESSION engine_condition_pushdown=@old_icp;
 Warnings:
-Warning	1287	The syntax '@@engine_condition_pushdown' is deprecated and will be removed in MariaDB 10.1. Please use '@@optimizer_switch' instead
+Warning	1287	'@@engine_condition_pushdown' is deprecated and will be removed in a future release. Please use '@@optimizer_switch' instead
 DROP TABLE t1,t2;
 #
 # End of 5.3 tests.
@ -1351,7 +1351,7 @@ ON SUBQUERY2_t3.f2)
 GROUP BY t1.f4 ORDER BY t1.f1 LIMIT 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t2	system	NULL	NULL	NULL	NULL	1	Using temporary; Using filesort
-1	PRIMARY	t1	index	NULL	f4	5	NULL	11	Using where
+1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	11	Using where
 2	DEPENDENT SUBQUERY	SUBQUERY2_t1	system	NULL	NULL	NULL	NULL	1	
 2	DEPENDENT SUBQUERY	SUBQUERY2_t2	index	NULL	f4	5	NULL	11	Using index
 2	DEPENDENT SUBQUERY	SUBQUERY2_t3	ALL	NULL	NULL	NULL	NULL	11	Using where; Using join buffer (flat, BNL join)
--- a/mysql-test/r/subselect_no_mat.result
+++ b/mysql-test/r/subselect_no_mat.result
@ -6059,6 +6059,116 @@ WHERE (col_varchar_nokey, 'x') IN
 col_int_nokey
 1
 DROP TABLE ot,it1,it2;
+#
+# MDEV-746
+# Bug#13651009 WRONG RESULT FROM DERIVED TABLE IF THE SUBQUERY
+# HAS AN EMPTY RESULT
+#
+CREATE TABLE t1 (
+pk int NOT NULL,
+col_int_nokey int NOT NULL,
+col_int_key int NOT NULL,
+col_time_key time NOT NULL,
+col_varchar_key varchar(1) NOT NULL,
+col_varchar_nokey varchar(1) NOT NULL,
+PRIMARY KEY (pk),
+KEY col_int_key (col_int_key),
+KEY col_time_key (col_time_key),
+KEY col_varchar_key (col_varchar_key,col_int_key)
+) ENGINE=MyISAM;
+CREATE TABLE t2 (
+pk int NOT NULL AUTO_INCREMENT,
+col_int_nokey int NOT NULL,
+col_int_key int NOT NULL,
+col_time_key time NOT NULL,
+col_varchar_key varchar(1) NOT NULL,
+col_varchar_nokey varchar(1) NOT NULL,
+PRIMARY KEY (pk),
+KEY col_int_key (col_int_key),
+KEY col_time_key (col_time_key),
+KEY col_varchar_key (col_varchar_key,col_int_key)
+) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (1,4,4,'00:00:00','b','b');
+SET @var2:=4, @var3:=8;
+
+Testcase without inner subquery
+EXPLAIN SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3;
+@var3:=12	pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+SELECT @var3;
+@var3
+8
+EXPLAIN SELECT * FROM ( SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3 ) AS alias3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	<derived2>	system	NULL	NULL	NULL	NULL	0	const row not found
+2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
+SELECT * FROM ( SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3 ) AS alias3;
+@var3:=12	pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+SELECT @var3;
+@var3
+8
+
+Testcase with inner subquery; crashed WL#6095
+SET @var3=8;
+EXPLAIN SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3));
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+2	DEPENDENT SUBQUERY	c_sq1_alias1	system	PRIMARY	NULL	NULL	NULL	1	
+SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3));
+pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+EXPLAIN SELECT * FROM ( SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3)) ) AS alias3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+3	DEPENDENT SUBQUERY	c_sq1_alias1	system	PRIMARY	NULL	NULL	NULL	1	
+SELECT * FROM ( SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3)) ) AS alias3;
+pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+DROP TABLE t1,t2;
 End of 5.2 tests
 #
 # BUG#779885: Crash in eliminate_item_equal with materialization=on in
@ -6637,6 +6747,23 @@ a	( 3, 3 ) NOT IN ( SELECT NULL, NULL )
 set optimizer_switch=@mdev367_optimizer_switch;
 DROP TABLE t1;
 #
+# MDEV-521 single value subselect transformation problem
+#
+CREATE TABLE t1 (f1 char(2), PRIMARY KEY (f1)) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('u1'),('u2');
+SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
+f1
+u1
+u2
+FLUSH TABLES;
+SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
+f1
+u1
+u2
+DROP TABLE t1;
+# return optimizer switch changed in the beginning of this test
+set optimizer_switch=@subselect_tmp;
+#
 # lp:944706 Query with impossible or constant subquery in WHERE or HAVING is not
 # precomputed and thus not part of optimization
 #
@ -6841,10 +6968,30 @@ INSERT INTO t2 VALUES (45),(17),(20);
 EXPLAIN SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t1, t2 WHERE b = a GROUP BY a HAVING a <> 1 ) ;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
-2	SUBQUERY	t1	index	a	a	5	NULL	1	Using where; Using index
+2	SUBQUERY	t1	index	a	a	5	NULL	2	Using where; Using index
 2	SUBQUERY	t2	ref	b	b	5	test.t1.a	2	Using index
 DROP TABLE t1,t2;
 #
+# MDEV-435: Expensive subqueries may be evaluated during optimization in merge_key_fields
+#
+CREATE TABLE t1 (a INT, KEY(a)) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (8),(0);
+CREATE TABLE t2 (b INT, c VARCHAR(1)) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (4,'j'),(6,'v');
+CREATE TABLE t3 (d VARCHAR(1)) ENGINE=MyISAM;
+INSERT INTO t3 VALUES ('b'),('c');
+EXPLAIN
+SELECT * FROM t1
+WHERE a = (SELECT MAX(b) FROM t2 WHERE c IN (SELECT MAX(d) FROM t3)) OR a = 10;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	index	a	a	5	NULL	2	Using where; Using index
+2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where
+3	DEPENDENT SUBQUERY	t3	ALL	NULL	NULL	NULL	NULL	2	
+SELECT * FROM t1
+WHERE a = (SELECT MAX(b) FROM t2 WHERE c IN (SELECT MAX(d) FROM t3)) OR a = 10;
+a
+drop table t1, t2, t3;
+#
 # MDEV-405: Server crashes in test_if_skip_sort_order on EXPLAIN with GROUP BY and HAVING in EXISTS subquery
 #
 CREATE TABLE t1 (a INT, KEY(a));
@ -6854,7 +7001,7 @@ INSERT INTO t2 VALUES (45),(17),(20);
 EXPLAIN SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t1, t2 WHERE b = a GROUP BY a HAVING a <> 1 ) ;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
-2	SUBQUERY	t1	index	a	a	5	NULL	1	Using where; Using index
+2	SUBQUERY	t1	index	a	a	5	NULL	2	Using where; Using index
 2	SUBQUERY	t2	ref	b	b	5	test.t1.a	2	Using index
 DROP TABLE t1,t2;
 set optimizer_switch=default;
--- a/mysql-test/r/subselect_no_opts.result
+++ b/mysql-test/r/subselect_no_opts.result
@ -6055,6 +6055,116 @@ WHERE (col_varchar_nokey, 'x') IN
 col_int_nokey
 1
 DROP TABLE ot,it1,it2;
+#
+# MDEV-746
+# Bug#13651009 WRONG RESULT FROM DERIVED TABLE IF THE SUBQUERY
+# HAS AN EMPTY RESULT
+#
+CREATE TABLE t1 (
+pk int NOT NULL,
+col_int_nokey int NOT NULL,
+col_int_key int NOT NULL,
+col_time_key time NOT NULL,
+col_varchar_key varchar(1) NOT NULL,
+col_varchar_nokey varchar(1) NOT NULL,
+PRIMARY KEY (pk),
+KEY col_int_key (col_int_key),
+KEY col_time_key (col_time_key),
+KEY col_varchar_key (col_varchar_key,col_int_key)
+) ENGINE=MyISAM;
+CREATE TABLE t2 (
+pk int NOT NULL AUTO_INCREMENT,
+col_int_nokey int NOT NULL,
+col_int_key int NOT NULL,
+col_time_key time NOT NULL,
+col_varchar_key varchar(1) NOT NULL,
+col_varchar_nokey varchar(1) NOT NULL,
+PRIMARY KEY (pk),
+KEY col_int_key (col_int_key),
+KEY col_time_key (col_time_key),
+KEY col_varchar_key (col_varchar_key,col_int_key)
+) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (1,4,4,'00:00:00','b','b');
+SET @var2:=4, @var3:=8;
+
+Testcase without inner subquery
+EXPLAIN SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3;
+@var3:=12	pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+SELECT @var3;
+@var3
+8
+EXPLAIN SELECT * FROM ( SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3 ) AS alias3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	<derived2>	system	NULL	NULL	NULL	NULL	0	const row not found
+2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
+SELECT * FROM ( SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3 ) AS alias3;
+@var3:=12	pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+SELECT @var3;
+@var3
+8
+
+Testcase with inner subquery; crashed WL#6095
+SET @var3=8;
+EXPLAIN SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3));
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+2	DEPENDENT SUBQUERY	c_sq1_alias1	system	PRIMARY	NULL	NULL	NULL	1	
+SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3));
+pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+EXPLAIN SELECT * FROM ( SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3)) ) AS alias3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+3	DEPENDENT SUBQUERY	c_sq1_alias1	system	PRIMARY	NULL	NULL	NULL	1	
+SELECT * FROM ( SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3)) ) AS alias3;
+pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+DROP TABLE t1,t2;
 End of 5.2 tests
 #
 # BUG#779885: Crash in eliminate_item_equal with materialization=on in
@ -6633,6 +6743,23 @@ a	( 3, 3 ) NOT IN ( SELECT NULL, NULL )
 set optimizer_switch=@mdev367_optimizer_switch;
 DROP TABLE t1;
 #
+# MDEV-521 single value subselect transformation problem
+#
+CREATE TABLE t1 (f1 char(2), PRIMARY KEY (f1)) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('u1'),('u2');
+SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
+f1
+u1
+u2
+FLUSH TABLES;
+SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
+f1
+u1
+u2
+DROP TABLE t1;
+# return optimizer switch changed in the beginning of this test
+set optimizer_switch=@subselect_tmp;
+#
 # lp:944706 Query with impossible or constant subquery in WHERE or HAVING is not
 # precomputed and thus not part of optimization
 #
@ -6838,10 +6965,31 @@ INSERT INTO t2 VALUES (45),(17),(20);
 EXPLAIN SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t1, t2 WHERE b = a GROUP BY a HAVING a <> 1 ) ;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
-2	SUBQUERY	t1	index	a	a	5	NULL	1	Using where; Using index
+2	SUBQUERY	t1	index	a	a	5	NULL	2	Using where; Using index
 2	SUBQUERY	t2	ref	b	b	5	test.t1.a	2	Using index
 DROP TABLE t1,t2;
 #
+# MDEV-435: Expensive subqueries may be evaluated during optimization in merge_key_fields
+#
+CREATE TABLE t1 (a INT, KEY(a)) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (8),(0);
+CREATE TABLE t2 (b INT, c VARCHAR(1)) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (4,'j'),(6,'v');
+CREATE TABLE t3 (d VARCHAR(1)) ENGINE=MyISAM;
+INSERT INTO t3 VALUES ('b'),('c');
+EXPLAIN
+SELECT * FROM t1
+WHERE a = (SELECT MAX(b) FROM t2 WHERE c IN (SELECT MAX(d) FROM t3)) OR a = 10;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	index	a	a	5	NULL	2	Using where; Using index
+2	SUBQUERY	<subquery3>	ALL	distinct_key	NULL	NULL	NULL	1	
+2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where; Using join buffer (flat, BNL join)
+3	MATERIALIZED	t3	ALL	NULL	NULL	NULL	NULL	2	
+SELECT * FROM t1
+WHERE a = (SELECT MAX(b) FROM t2 WHERE c IN (SELECT MAX(d) FROM t3)) OR a = 10;
+a
+drop table t1, t2, t3;
+#
 # MDEV-405: Server crashes in test_if_skip_sort_order on EXPLAIN with GROUP BY and HAVING in EXISTS subquery
 #
 CREATE TABLE t1 (a INT, KEY(a));
@ -6851,7 +6999,7 @@ INSERT INTO t2 VALUES (45),(17),(20);
 EXPLAIN SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t1, t2 WHERE b = a GROUP BY a HAVING a <> 1 ) ;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
-2	SUBQUERY	t1	index	a	a	5	NULL	1	Using where; Using index
+2	SUBQUERY	t1	index	a	a	5	NULL	2	Using where; Using index
 2	SUBQUERY	t2	ref	b	b	5	test.t1.a	2	Using index
 DROP TABLE t1,t2;
 set @optimizer_switch_for_subselect_test=null;
--- a/mysql-test/r/subselect_no_scache.result
+++ b/mysql-test/r/subselect_no_scache.result
@ -6066,6 +6066,116 @@ WHERE (col_varchar_nokey, 'x') IN
 col_int_nokey
 1
 DROP TABLE ot,it1,it2;
+#
+# MDEV-746
+# Bug#13651009 WRONG RESULT FROM DERIVED TABLE IF THE SUBQUERY
+# HAS AN EMPTY RESULT
+#
+CREATE TABLE t1 (
+pk int NOT NULL,
+col_int_nokey int NOT NULL,
+col_int_key int NOT NULL,
+col_time_key time NOT NULL,
+col_varchar_key varchar(1) NOT NULL,
+col_varchar_nokey varchar(1) NOT NULL,
+PRIMARY KEY (pk),
+KEY col_int_key (col_int_key),
+KEY col_time_key (col_time_key),
+KEY col_varchar_key (col_varchar_key,col_int_key)
+) ENGINE=MyISAM;
+CREATE TABLE t2 (
+pk int NOT NULL AUTO_INCREMENT,
+col_int_nokey int NOT NULL,
+col_int_key int NOT NULL,
+col_time_key time NOT NULL,
+col_varchar_key varchar(1) NOT NULL,
+col_varchar_nokey varchar(1) NOT NULL,
+PRIMARY KEY (pk),
+KEY col_int_key (col_int_key),
+KEY col_time_key (col_time_key),
+KEY col_varchar_key (col_varchar_key,col_int_key)
+) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (1,4,4,'00:00:00','b','b');
+SET @var2:=4, @var3:=8;
+
+Testcase without inner subquery
+EXPLAIN SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3;
+@var3:=12	pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+SELECT @var3;
+@var3
+8
+EXPLAIN SELECT * FROM ( SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3 ) AS alias3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	<derived2>	system	NULL	NULL	NULL	NULL	0	const row not found
+2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
+SELECT * FROM ( SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3 ) AS alias3;
+@var3:=12	pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+SELECT @var3;
+@var3
+8
+
+Testcase with inner subquery; crashed WL#6095
+SET @var3=8;
+EXPLAIN SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3));
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+2	DEPENDENT SUBQUERY	c_sq1_alias1	system	PRIMARY	NULL	NULL	NULL	1	
+SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3));
+pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+EXPLAIN SELECT * FROM ( SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3)) ) AS alias3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+3	DEPENDENT SUBQUERY	c_sq1_alias1	system	PRIMARY	NULL	NULL	NULL	1	
+SELECT * FROM ( SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3)) ) AS alias3;
+pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+DROP TABLE t1,t2;
 End of 5.2 tests
 #
 # BUG#779885: Crash in eliminate_item_equal with materialization=on in
@ -6644,6 +6754,23 @@ a	( 3, 3 ) NOT IN ( SELECT NULL, NULL )
 set optimizer_switch=@mdev367_optimizer_switch;
 DROP TABLE t1;
 #
+# MDEV-521 single value subselect transformation problem
+#
+CREATE TABLE t1 (f1 char(2), PRIMARY KEY (f1)) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('u1'),('u2');
+SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
+f1
+u1
+u2
+FLUSH TABLES;
+SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
+f1
+u1
+u2
+DROP TABLE t1;
+# return optimizer switch changed in the beginning of this test
+set optimizer_switch=@subselect_tmp;
+#
 # lp:944706 Query with impossible or constant subquery in WHERE or HAVING is not
 # precomputed and thus not part of optimization
 #
@ -6849,10 +6976,31 @@ INSERT INTO t2 VALUES (45),(17),(20);
 EXPLAIN SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t1, t2 WHERE b = a GROUP BY a HAVING a <> 1 ) ;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
-2	SUBQUERY	t1	index	a	a	5	NULL	1	Using where; Using index
+2	SUBQUERY	t1	index	a	a	5	NULL	2	Using where; Using index
 2	SUBQUERY	t2	ref	b	b	5	test.t1.a	2	Using index
 DROP TABLE t1,t2;
 #
+# MDEV-435: Expensive subqueries may be evaluated during optimization in merge_key_fields
+#
+CREATE TABLE t1 (a INT, KEY(a)) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (8),(0);
+CREATE TABLE t2 (b INT, c VARCHAR(1)) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (4,'j'),(6,'v');
+CREATE TABLE t3 (d VARCHAR(1)) ENGINE=MyISAM;
+INSERT INTO t3 VALUES ('b'),('c');
+EXPLAIN
+SELECT * FROM t1
+WHERE a = (SELECT MAX(b) FROM t2 WHERE c IN (SELECT MAX(d) FROM t3)) OR a = 10;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	index	a	a	5	NULL	2	Using where; Using index
+2	SUBQUERY	<subquery3>	ALL	distinct_key	NULL	NULL	NULL	1	
+2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where; Using join buffer (flat, BNL join)
+3	MATERIALIZED	t3	ALL	NULL	NULL	NULL	NULL	2	
+SELECT * FROM t1
+WHERE a = (SELECT MAX(b) FROM t2 WHERE c IN (SELECT MAX(d) FROM t3)) OR a = 10;
+a
+drop table t1, t2, t3;
+#
 # MDEV-405: Server crashes in test_if_skip_sort_order on EXPLAIN with GROUP BY and HAVING in EXISTS subquery
 #
 CREATE TABLE t1 (a INT, KEY(a));
@ -6862,7 +7010,7 @@ INSERT INTO t2 VALUES (45),(17),(20);
 EXPLAIN SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t1, t2 WHERE b = a GROUP BY a HAVING a <> 1 ) ;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
-2	SUBQUERY	t1	index	a	a	5	NULL	1	Using where; Using index
+2	SUBQUERY	t1	index	a	a	5	NULL	2	Using where; Using index
 2	SUBQUERY	t2	ref	b	b	5	test.t1.a	2	Using index
 DROP TABLE t1,t2;
 set optimizer_switch=default;
--- a/mysql-test/r/subselect_no_semijoin.result
+++ b/mysql-test/r/subselect_no_semijoin.result
@ -6055,6 +6055,116 @@ WHERE (col_varchar_nokey, 'x') IN
 col_int_nokey
 1
 DROP TABLE ot,it1,it2;
+#
+# MDEV-746
+# Bug#13651009 WRONG RESULT FROM DERIVED TABLE IF THE SUBQUERY
+# HAS AN EMPTY RESULT
+#
+CREATE TABLE t1 (
+pk int NOT NULL,
+col_int_nokey int NOT NULL,
+col_int_key int NOT NULL,
+col_time_key time NOT NULL,
+col_varchar_key varchar(1) NOT NULL,
+col_varchar_nokey varchar(1) NOT NULL,
+PRIMARY KEY (pk),
+KEY col_int_key (col_int_key),
+KEY col_time_key (col_time_key),
+KEY col_varchar_key (col_varchar_key,col_int_key)
+) ENGINE=MyISAM;
+CREATE TABLE t2 (
+pk int NOT NULL AUTO_INCREMENT,
+col_int_nokey int NOT NULL,
+col_int_key int NOT NULL,
+col_time_key time NOT NULL,
+col_varchar_key varchar(1) NOT NULL,
+col_varchar_nokey varchar(1) NOT NULL,
+PRIMARY KEY (pk),
+KEY col_int_key (col_int_key),
+KEY col_time_key (col_time_key),
+KEY col_varchar_key (col_varchar_key,col_int_key)
+) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (1,4,4,'00:00:00','b','b');
+SET @var2:=4, @var3:=8;
+
+Testcase without inner subquery
+EXPLAIN SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3;
+@var3:=12	pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+SELECT @var3;
+@var3
+8
+EXPLAIN SELECT * FROM ( SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3 ) AS alias3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	<derived2>	system	NULL	NULL	NULL	NULL	0	const row not found
+2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
+SELECT * FROM ( SELECT @var3:=12, sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key + NULL) IS NULL OR
+sq4_alias1.col_varchar_key = @var3 ) AS alias3;
+@var3:=12	pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+SELECT @var3;
+@var3
+8
+
+Testcase with inner subquery; crashed WL#6095
+SET @var3=8;
+EXPLAIN SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3));
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+2	DEPENDENT SUBQUERY	c_sq1_alias1	system	PRIMARY	NULL	NULL	NULL	1	
+SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3));
+pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+EXPLAIN SELECT * FROM ( SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3)) ) AS alias3;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+3	DEPENDENT SUBQUERY	c_sq1_alias1	system	PRIMARY	NULL	NULL	NULL	1	
+SELECT * FROM ( SELECT sq4_alias1.*
+FROM t1 AS sq4_alias1
+WHERE (sq4_alias1.col_varchar_key , sq4_alias1.col_varchar_nokey)
+NOT IN
+(SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1,
+c_sq1_alias1.col_varchar_nokey AS c_sq1_field2
+FROM t2 AS c_sq1_alias1
+WHERE (c_sq1_alias1.col_int_nokey != @var2
+OR c_sq1_alias1.pk != @var3)) ) AS alias3;
+pk	col_int_nokey	col_int_key	col_time_key	col_varchar_key	col_varchar_nokey
+DROP TABLE t1,t2;
 End of 5.2 tests
 #
 # BUG#779885: Crash in eliminate_item_equal with materialization=on in
@ -6633,6 +6743,23 @@ a	( 3, 3 ) NOT IN ( SELECT NULL, NULL )
 set optimizer_switch=@mdev367_optimizer_switch;
 DROP TABLE t1;
 #
+# MDEV-521 single value subselect transformation problem
+#
+CREATE TABLE t1 (f1 char(2), PRIMARY KEY (f1)) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('u1'),('u2');
+SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
+f1
+u1
+u2
+FLUSH TABLES;
+SELECT a.* FROM t1 a WHERE ( SELECT EXISTS ( SELECT 1 FROM t1 b WHERE b.f1 = a.f1 ) );
+f1
+u1
+u2
+DROP TABLE t1;
+# return optimizer switch changed in the beginning of this test
+set optimizer_switch=@subselect_tmp;
+#
 # lp:944706 Query with impossible or constant subquery in WHERE or HAVING is not
 # precomputed and thus not part of optimization
 #
@ -6838,10 +6965,31 @@ INSERT INTO t2 VALUES (45),(17),(20);
 EXPLAIN SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t1, t2 WHERE b = a GROUP BY a HAVING a <> 1 ) ;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
-2	SUBQUERY	t1	index	a	a	5	NULL	1	Using where; Using index
+2	SUBQUERY	t1	index	a	a	5	NULL	2	Using where; Using index
 2	SUBQUERY	t2	ref	b	b	5	test.t1.a	2	Using index
 DROP TABLE t1,t2;
 #
+# MDEV-435: Expensive subqueries may be evaluated during optimization in merge_key_fields
+#
+CREATE TABLE t1 (a INT, KEY(a)) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (8),(0);
+CREATE TABLE t2 (b INT, c VARCHAR(1)) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (4,'j'),(6,'v');
+CREATE TABLE t3 (d VARCHAR(1)) ENGINE=MyISAM;
+INSERT INTO t3 VALUES ('b'),('c');
+EXPLAIN
+SELECT * FROM t1
+WHERE a = (SELECT MAX(b) FROM t2 WHERE c IN (SELECT MAX(d) FROM t3)) OR a = 10;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	index	a	a	5	NULL	2	Using where; Using index
+2	SUBQUERY	<subquery3>	ALL	distinct_key	NULL	NULL	NULL	1	
+2	SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	2	Using where; Using join buffer (flat, BNL join)
+3	MATERIALIZED	t3	ALL	NULL	NULL	NULL	NULL	2	
+SELECT * FROM t1
+WHERE a = (SELECT MAX(b) FROM t2 WHERE c IN (SELECT MAX(d) FROM t3)) OR a = 10;
+a
+drop table t1, t2, t3;
+#
 # MDEV-405: Server crashes in test_if_skip_sort_order on EXPLAIN with GROUP BY and HAVING in EXISTS subquery
 #
 CREATE TABLE t1 (a INT, KEY(a));
@ -6851,7 +6999,7 @@ INSERT INTO t2 VALUES (45),(17),(20);
 EXPLAIN SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t1, t2 WHERE b = a GROUP BY a HAVING a <> 1 ) ;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
-2	SUBQUERY	t1	index	a	a	5	NULL	1	Using where; Using index
+2	SUBQUERY	t1	index	a	a	5	NULL	2	Using where; Using index
 2	SUBQUERY	t2	ref	b	b	5	test.t1.a	2	Using index
 DROP TABLE t1,t2;
 set @optimizer_switch_for_subselect_test=null;
--- a/mysql-test/r/user_var.result
+++ b/mysql-test/r/user_var.result
@ -498,4 +498,36 @@ DROP TABLE t1;
 #
 SET @bug12408412=1;
 SELECT GROUP_CONCAT(@bug12408412 ORDER BY 1) INTO @bug12408412;
+CREATE TABLE t1(a INT);
+INSERT INTO t1 VALUES (0);
+SELECT DISTINCT POW(COUNT(*), @a:=(SELECT 1 FROM t1 LEFT JOIN t1 AS t2 ON @a))
+AS b FROM t1 GROUP BY a;
+b
+1
+SELECT @a;
+@a
+1
+DROP TABLE t1;
+CREATE TABLE t1(f1 INT, f2 INT);
+INSERT INTO t1 VALUES (1,2),(2,3),(3,1);
+CREATE TABLE t2(a INT);
+INSERT INTO t2 VALUES (1);
+SET @var=NULL;
+SELECT @var:=(SELECT f2 FROM t2 WHERE @var) FROM t1 GROUP BY f1 ORDER BY f2 DESC
+LIMIT 1;
+@var:=(SELECT f2 FROM t2 WHERE @var)
+NULL
+SELECT @var;
+@var
+NULL
+DROP TABLE t1, t2;
+CREATE TABLE t1(a INT);
+INSERT INTO t1 VALUES (0),(1),(3);
+SELECT DISTINCT POW(COUNT(distinct a), @a:=(SELECT 1 FROM t1 LEFT JOIN t1 AS t2 ON @a limit 1)) AS b FROM t1 GROUP BY a;
+b
+1
+SELECT @a;
+@a
+1
+DROP TABLE t1;
 End of 5.5 tests
--- a/mysql-test/r/variables.result
+++ b/mysql-test/r/variables.result
@ -538,7 +538,7 @@ Warning	1292	Truncated incorrect read_buffer_size value: '100'
 set read_rnd_buffer_size=100;
 set global rpl_recovery_rank=100;
 Warnings:
-Warning	1287	The syntax '@@rpl_recovery_rank' is deprecated and will be removed in MariaDB 10.1.
+Warning	1287	'@@rpl_recovery_rank' is deprecated and will be removed in a future release.
 set global server_id=100;
 set global slow_launch_time=100;
 set sort_buffer_size=100;
@ -1060,7 +1060,7 @@ set global net_write_timeout         =@my_net_write_timeout;
 set global net_read_timeout          =@my_net_read_timeout;
 set global rpl_recovery_rank         =@my_rpl_recovery_rank;
 Warnings:
-Warning	1287	The syntax '@@rpl_recovery_rank' is deprecated and will be removed in MariaDB 10.1.
+Warning	1287	'@@rpl_recovery_rank' is deprecated and will be removed in a future release.
 set global server_id                 =@my_server_id;
 set global slow_launch_time          =@my_slow_launch_time;
 set global default_storage_engine            =@my_storage_engine;
--- a/mysql-test/r/view.result
+++ b/mysql-test/r/view.result
@ -4530,6 +4530,55 @@ WHERE t4.a >= v1.a);
 a	a
 DROP VIEW v1;
 DROP TABLE t1,t2,t3,t4;
+#
+# LP bug #823237: dependent subquery with LEFT JOIN
+#                 referencing view in WHERE
+# (duplicate of LP bug #823189)
+# 
+CREATE TABLE t1 (a int);
+CREATE TABLE t2 ( b int, d int, e int);
+INSERT INTO t2 VALUES (7,8,0);
+CREATE TABLE t3 ( c int);
+INSERT INTO t3 VALUES (0);
+CREATE TABLE t4 (a int, b int, c int);
+INSERT INTO t4 VALUES (93,1,0), (95,NULL,0);
+CREATE VIEW v4 AS SELECT * FROM t4;
+EXPLAIN EXTENDED
+SELECT * FROM t3 , t4 
+WHERE t4.c <= (SELECT t2.e FROM t2 LEFT JOIN t1 ON ( t1.a = t2.d )
+WHERE t2.b > t4.b);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t3	system	NULL	NULL	NULL	NULL	1	100.00	
+1	PRIMARY	t4	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
+2	DEPENDENT SUBQUERY	t2	system	NULL	NULL	NULL	NULL	1	100.00	
+2	DEPENDENT SUBQUERY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+Warnings:
+Note	1276	Field or reference 'test.t4.b' of SELECT #2 was resolved in SELECT #1
+Note	1003	select 0 AS `c`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t4`.`c` AS `c` from `test`.`t4` where (`test`.`t4`.`c` <= <expr_cache><`test`.`t4`.`b`>((select 0 from dual where (7 > `test`.`t4`.`b`))))
+SELECT * FROM t3 , t4 
+WHERE t4.c <= (SELECT t2.e FROM t2 LEFT JOIN t1 ON ( t1.a = t2.d )
+WHERE t2.b > t4.b);
+c	a	b	c
+0	93	1	0
+EXPLAIN EXTENDED
+SELECT * FROM t3, v4 
+WHERE v4.c <= (SELECT t2.e FROM t2 LEFT JOIN t1 ON ( t1.a = t2.d )
+WHERE t2.b > v4.b);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	PRIMARY	t3	system	NULL	NULL	NULL	NULL	1	100.00	
+1	PRIMARY	t4	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
+2	DEPENDENT SUBQUERY	t2	system	NULL	NULL	NULL	NULL	1	100.00	
+2	DEPENDENT SUBQUERY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+Warnings:
+Note	1276	Field or reference 'v4.b' of SELECT #2 was resolved in SELECT #1
+Note	1003	select 0 AS `c`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t4`.`c` AS `c` from `test`.`t4` where (`test`.`t4`.`c` <= <expr_cache><`test`.`t4`.`b`>((select 0 from dual where (7 > `test`.`t4`.`b`))))
+SELECT * FROM t3, v4 
+WHERE v4.c <= (SELECT t2.e FROM t2 LEFT JOIN t1 ON ( t1.a = t2.d )
+WHERE t2.b > v4.b);
+c	a	b	c
+0	93	1	0
+DROP VIEW v4;
+DROP TABLE t1,t2,t3,t4;
 drop table if exists t_9801;
 drop view if exists v_9801;
 create table t_9801 (s1 int);
@ -4730,7 +4779,82 @@ id	id	bbb	iddqd	val1
 30631	NULL	NULL	NULL	NULL
 drop view v2;
 drop table t1,t2;
+#
+# MDEV-589 (LP BUG#1007647) :
+# Assertion `vcol_table == 0 || vcol_table == table' failed in
+# fill_record(THD*, List<Item>&, List<Item>&, bool)
+#
+CREATE TABLE t1 (f1 INT, f2 INT);
+CREATE TABLE t2 (f1 INT, f2 INT);
+CREATE ALGORITHM=MERGE VIEW v1 AS SELECT a1.f1, a2.f2 FROM t1 AS a1, t1 AS a2;
+CREATE ALGORITHM=MERGE VIEW v2 AS SELECT * FROM v1;
+CREATE ALGORITHM=MERGE VIEW v3 AS SELECT a1.f1, a2.f2 FROM t1 AS a1, t2 AS a2;
+CREATE ALGORITHM=MERGE VIEW v4 AS SELECT * FROM v3;
+INSERT INTO v3 (f1, f2) VALUES (1, 2);
+ERROR HY000: Can not modify more than one base table through a join view 'test.v3'
+INSERT INTO v1 (f1, f2) VALUES (1, 2);
+ERROR HY000: Can not modify more than one base table through a join view 'test.v1'
+INSERT INTO v4 (f1, f2) VALUES (1, 2);
+ERROR HY000: Can not modify more than one base table through a join view 'test.v4'
+INSERT INTO v2 (f1, f2) VALUES (1, 2);
+ERROR HY000: Can not modify more than one base table through a join view 'test.v2'
+drop view v4,v3,v2,v1;
+drop table t1,t2;
+#
+# MDEV-3799 fix of above bugfix (MDEV-589) 
+# Wrong result (NULLs instead of real values) with RIGHT JOIN
+# in a FROM subquery and derived_merge=on
+#
+CREATE TABLE t1 (f1 INT) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (4),(6);
+CREATE TABLE t2 (f2 INT) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (7),(8);
+SELECT * FROM (  
+SELECT * FROM t1 RIGHT JOIN t2 ON f1 = f2
+) AS alias;
+f1	f2
+NULL	7
+NULL	8
+SELECT * FROM (  
+SELECT * FROM t2 LEFT JOIN t1 ON f1 = f2
+) AS alias;
+f2	f1
+7	NULL
+8	NULL
+drop tables t1,t2;
 # -----------------------------------------------------------------
 # -- End of 5.3 tests.
 # -----------------------------------------------------------------
+#
+# MDEV-3874: Server crashes in Item_field::print on a SELECT
+# from a MERGE view with materialization+semijoin, subquery, ORDER BY
+#
+SET @save_optimizer_switch_MDEV_3874=@@optimizer_switch;
+SET optimizer_switch = 'materialization=on,semijoin=on';
+CREATE TABLE t1 (a INT) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1),(7);
+CREATE TABLE t2 (b INT) ENGINE=MyISAM;
+INSERT INTO t2 VALUES (4),(6);
+CREATE TABLE t3 (c INT) ENGINE=MyISAM;
+INSERT INTO t3 VALUES (1),(2);
+CREATE ALGORITHM=MERGE VIEW v1 AS SELECT  
+( SELECT a FROM t1 WHERE ( 1, 1 ) IN ( 
+SELECT b, c FROM t2, t3 HAVING c > 2 ) ) AS field1, 
+b + c AS field2 
+FROM t2, t3 AS table1
+GROUP BY field1, field2 ORDER BY field1;
+Warnings:
+Warning	1354	View merge algorithm can't be used here for now (assumed undefined algorithm)
+SELECT * FROM v1;
+field1	field2
+NULL	5
+NULL	7
+NULL	6
+NULL	8
+drop view v1;
+drop table t1,t2,t3;
+SET optimizer_switch=@save_optimizer_switch_MDEV_3874;
+# -----------------------------------------------------------------
+# -- End of 5.5 tests.
+# -----------------------------------------------------------------
 SET optimizer_switch=@save_optimizer_switch;
--- a/mysql-test/suite/federated/federated_archive.test
+++ b/mysql-test/suite/federated/federated_archive.test
@ -1,5 +1,5 @@
 source include/have_archive.inc;
-source federated.inc;
+source suite/federated/include/federated.inc;


 connection slave;
@ -54,5 +54,5 @@ connection slave;
 DROP TABLE federated.archive_table;


-source federated_cleanup.inc;
+source suite/federated/include/federated_cleanup.inc;

--- a/mysql-test/suite/federated/federated_bug_13118.test
+++ b/mysql-test/suite/federated/federated_bug_13118.test
@ -1,4 +1,4 @@
-source federated.inc;
+source suite/federated/include/federated.inc;

 connection slave;
 --disable_warnings
@ -37,5 +37,5 @@ connection slave;
 DROP TABLE federated.bug_13118_table;


-source federated_cleanup.inc;
+source suite/federated/include/federated_cleanup.inc;

--- a/mysql-test/suite/federated/federated_bug_25714.test
+++ b/mysql-test/suite/federated/federated_bug_25714.test
@ -4,7 +4,7 @@ if (!$MYSQL_BUG25714)
  skip Need bug25714 test program;
 }

-source federated.inc;
+source suite/federated/include/federated.inc;

 connection master;
 # Disable concurrent inserts to avoid test failures when reading
@ -59,4 +59,4 @@ SET @@GLOBAL.CONCURRENT_INSERT= @OLD_SLAVE_CONCURRENT_INSERT;



-source federated_cleanup.inc;
+source suite/federated/include/federated_cleanup.inc;
--- a/mysql-test/suite/federated/federated_bug_32426.test
+++ b/mysql-test/suite/federated/federated_bug_32426.test
@ -1,4 +1,4 @@
-source federated.inc;
+source include/federated.inc;

 --echo #
 --echo # Bug #32426: FEDERATED query returns corrupt results for ORDER BY 
@ -21,4 +21,4 @@ DROP TABLE federated.t1;

 connection default;

-source federated_cleanup.inc;
+source include/federated_cleanup.inc;
--- a/mysql-test/suite/federated/federated_bug_35333.test
+++ b/mysql-test/suite/federated/federated_bug_35333.test
@ -9,7 +9,7 @@
 --echo # to complete while still indicating a problem. This fix applies to any non-fatal system
 --echo # error that occurs during a query against I_S.TABLES.de

--source federated.inc
+--source suite/federated/include/federated.inc

 --disable_warnings
 # Federated database exists
@ -74,4 +74,4 @@ DROP TABLE t1;
 --echo # Cleanup
 --echo #

--source federated_cleanup.inc
+--source suite/federated/include/federated_cleanup.inc
--- a/mysql-test/suite/federated/federated_bug_585688.test
+++ b/mysql-test/suite/federated/federated_bug_585688.test
@ -1,4 +1,4 @@
-source federated.inc;
+source include/federated.inc;

 --echo #
 --echo # Bug #585688: maridb crashes in federatedx code
@ -49,5 +49,5 @@ DROP TABLE federated.t1;

 connection default;

-source federated_cleanup.inc;
+source include/federated_cleanup.inc;

--- a/mysql-test/suite/federated/federated_debug.test
+++ b/mysql-test/suite/federated/federated_debug.test
@ -1,6 +1,6 @@
 --source include/have_debug.inc
 --source include/long_test.inc
--source federated.inc
+--source include/federated.inc

 --echo #
 --echo # Bug#47525: MySQL crashed (Federated)
@ -37,4 +37,4 @@ DROP TABLE t1;

 connection default;
 --echo # Federated cleanup
-source federated_cleanup.inc;
+source suite/federated/include/federated_cleanup.inc;
--- a/mysql-test/suite/federated/federated_innodb.test
+++ b/mysql-test/suite/federated/federated_innodb.test
@ -4,7 +4,7 @@
 # See Bug #40645 Test main.federated_innodb does not always clean up after itself

 source include/have_innodb.inc;
-source federated.inc;
+source suite/federated/include/federated.inc;

 #
 # Bug#25513 Federated transaction failures
@ -36,4 +36,4 @@ connection slave;
 drop table federated.t1;


-source federated_cleanup.inc;
+source suite/federated/include/federated_cleanup.inc;
--- a/mysql-test/suite/federated/federated_partition.test
+++ b/mysql-test/suite/federated/federated_partition.test
@ -4,7 +4,7 @@
 source have_federatedx.inc;
 source include/have_partition.inc;
 source include/have_innodb.inc;
-source federated.inc;
+source include/federated.inc;

 disable_warnings;
 drop table if exists t1;
@ -50,4 +50,4 @@ drop table federated.t1_2;

 --echo End of 5.1 tests

-source federated_cleanup.inc;
+source include/federated_cleanup.inc;
--- a/mysql-test/suite/federated/federated_server.test
+++ b/mysql-test/suite/federated/federated_server.test
@ -4,7 +4,7 @@
 # Slow test, don't run during staging part
 -- source include/not_staging.inc
 -- source include/big_test.inc
-- source federated.inc
+-- source include/federated.inc

 connection slave;
 create database first_db;
@ -343,4 +343,4 @@ drop table t1;
 drop server if exists s;


-source federated_cleanup.inc;
+source suite/federated/include/federated_cleanup.inc;
--- a/mysql-test/suite/federated/federated_transactions.test
+++ b/mysql-test/suite/federated/federated_transactions.test
@ -1,6 +1,6 @@
 source have_federatedx.inc;
 source include/have_innodb.inc;
-source federated.inc;
+source suite/federated/include/federated.inc;

 connection slave;
 DROP TABLE IF EXISTS federated.t1;
@ -36,4 +36,4 @@ INSERT INTO federated.t1 (id, name) VALUES (6, 'fig');
 SELECT * FROM federated.t1;
 DELETE FROM federated.t1;

-source federated_cleanup.inc;
+source suite/federated/include/federated_cleanup.inc;
--- a/mysql-test/suite/federated/federatedx.test
+++ b/mysql-test/suite/federated/federatedx.test
@ -4,7 +4,7 @@
 #


--source federated.inc
+--source include/federated.inc
 --source have_federatedx.inc

 connection default;
@ -1999,4 +1999,4 @@ connection slave;
 SET @@GLOBAL.CONCURRENT_INSERT= @OLD_SLAVE_CONCURRENT_INSERT;

 connection default;
-source federated_cleanup.inc;
+source include/federated_cleanup.inc;
--- a/mysql-test/suite/federated/include/federated.inc
+++ b/mysql-test/suite/federated/include/federated.inc
--- a/mysql-test/suite/federated/include/federated_cleanup.inc
+++ b/mysql-test/suite/federated/include/federated_cleanup.inc
--- a/mysql-test/suite/funcs_1/r/is_columns_mysql_embedded.result
+++ b/mysql-test/suite/funcs_1/r/is_columns_mysql_embedded.result
@ -59,7 +59,7 @@ def	mysql	func	ret	2	0	NO	tinyint	NULL	NULL	3	0	NULL	NULL	NULL	tinyint(1)
 def	mysql	func	type	4	NULL	NO	enum	9	27	NULL	NULL	NULL	utf8	utf8_general_ci	enum('function','aggregate')				
 def	mysql	general_log	argument	6	NULL	NO	mediumtext	16777215	16777215	NULL	NULL	NULL	utf8	utf8_general_ci	mediumtext				
 def	mysql	general_log	command_type	5	NULL	NO	varchar	64	192	NULL	NULL	NULL	utf8	utf8_general_ci	varchar(64)				
-def	mysql	general_log	event_time	1	CURRENT_TIMESTAMP	NO	timestamp	NULL	NULL	NULL	NULL	6	NULL	NULL	timestamp(6)		on update CURRENT_TIMESTAMP		
+def	mysql	general_log	event_time	1	CURRENT_TIMESTAMP(6)	NO	timestamp	NULL	NULL	NULL	NULL	6	NULL	NULL	timestamp(6)		on update CURRENT_TIMESTAMP		
 def	mysql	general_log	server_id	4	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	NULL	int(10) unsigned				
 def	mysql	general_log	thread_id	3	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	NULL	int(11)				
 def	mysql	general_log	user_host	2	NULL	NO	mediumtext	16777215	16777215	NULL	NULL	NULL	utf8	utf8_general_ci	mediumtext				
@ -159,7 +159,7 @@ def	mysql	slow_log	rows_examined	6	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	NULL	int
 def	mysql	slow_log	rows_sent	5	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	NULL	int(11)				
 def	mysql	slow_log	server_id	10	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	NULL	int(10) unsigned				
 def	mysql	slow_log	sql_text	11	NULL	NO	mediumtext	16777215	16777215	NULL	NULL	NULL	utf8	utf8_general_ci	mediumtext				
-def	mysql	slow_log	start_time	1	CURRENT_TIMESTAMP	NO	timestamp	NULL	NULL	NULL	NULL	6	NULL	NULL	timestamp(6)		on update CURRENT_TIMESTAMP		
+def	mysql	slow_log	start_time	1	CURRENT_TIMESTAMP(6)	NO	timestamp	NULL	NULL	NULL	NULL	6	NULL	NULL	timestamp(6)		on update CURRENT_TIMESTAMP		
 def	mysql	slow_log	user_host	2	NULL	NO	mediumtext	16777215	16777215	NULL	NULL	NULL	utf8	utf8_general_ci	mediumtext				
 def	mysql	tables_priv	Column_priv	8		NO	set	31	93	NULL	NULL	NULL	utf8	utf8_general_ci	set('Select','Insert','Update','References')				
 def	mysql	tables_priv	Db	2		NO	char	64	192	NULL	NULL	NULL	utf8	utf8_bin	char(64)	PRI			
--- a/mysql-test/suite/heap/heap_hash.result
+++ b/mysql-test/suite/heap/heap_hash.result
@ -382,6 +382,26 @@ INSERT INTO t1 VALUES('A ', 'A ');
 ERROR 23000: Duplicate entry 'A -A ' for key 'key1'
 DROP TABLE t1;
 End of 5.0 tests
+#
+# MDEV-568 (AKA LP BUG#1007981, AKA MySQL bug#44771)
+# Wrong result for a hash index look-up if the index is unique and
+# the key is NULL
+#
+CREATE TABLE t1 ( pk INT PRIMARY KEY, val INT, UNIQUE KEY USING HASH(val)) ENGINE=MEMORY;
+INSERT INTO t1 VALUES (1, NULL);
+INSERT INTO t1 VALUES (2, NULL);
+INSERT INTO t1 VALUES (3, 1);
+INSERT INTO t1 VALUES (4, NULL);
+EXPLAIN SELECT * FROM t1 WHERE val IS NULL;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	ref	val	val	5	const	1	Using where
+SELECT * FROM t1 WHERE val IS NULL;
+pk	val
+4	NULL
+2	NULL
+1	NULL
+drop table t1;
+End of 5.2 tests
 # bit index in heap tables
 create table t1 (a bit(63) not null) engine=heap;
 insert into t1 values (869751),(736494),(226312),(802616),(728912);
--- a/mysql-test/suite/heap/heap_hash.test
+++ b/mysql-test/suite/heap/heap_hash.test
@ -285,6 +285,23 @@ DROP TABLE t1;

 --echo End of 5.0 tests

+--echo #
+--echo # MDEV-568 (AKA LP BUG#1007981, AKA MySQL bug#44771)
+--echo # Wrong result for a hash index look-up if the index is unique and
+--echo # the key is NULL
+--echo #
+CREATE TABLE t1 ( pk INT PRIMARY KEY, val INT, UNIQUE KEY USING HASH(val)) ENGINE=MEMORY;
+
+INSERT INTO t1 VALUES (1, NULL);
+INSERT INTO t1 VALUES (2, NULL);
+INSERT INTO t1 VALUES (3, 1);
+INSERT INTO t1 VALUES (4, NULL);
+EXPLAIN SELECT * FROM t1 WHERE val IS NULL;
+SELECT * FROM t1 WHERE val IS NULL;
+drop table t1;
+
+--echo End of 5.2 tests
+
 -- echo # bit index in heap tables

 create table t1 (a bit(63) not null) engine=heap;
--- a/mysql-test/suite/innodb/r/innodb_information_schema_buffer.result
+++ b/mysql-test/suite/innodb/r/innodb_information_schema_buffer.result
@ -0,0 +1,130 @@
+SELECT * FROM INFORMATION_SCHEMA.INNODB_BUFFER_POOL_STATS;
+SELECT count(*) FROM INFORMATION_SCHEMA.INNODB_BUFFER_POOL_STATS;
+SELECT * FROM INFORMATION_SCHEMA.INNODB_BUFFER_PAGE;
+SELECT COUNT(*) FROM INFORMATION_SCHEMA.INNODB_BUFFER_PAGE;
+CREATE TABLE infoschema_buffer_test (col1 INT) ENGINE = INNODB;
+INSERT INTO infoschema_buffer_test VALUES(9);
+SELECT TABLE_NAME, INDEX_NAME, NUMBER_RECORDS, DATA_SIZE, PAGE_STATE, PAGE_TYPE
+FROM INFORMATION_SCHEMA.INNODB_BUFFER_PAGE
+WHERE TABLE_NAME like "%infoschema_buffer_test"
+	and PAGE_STATE="file_page" and PAGE_TYPE="index";
+TABLE_NAME	INDEX_NAME	NUMBER_RECORDS	DATA_SIZE	PAGE_STATE	PAGE_TYPE
+test/infoschema_buffer_test	GEN_CLUST_INDEX	1	29	FILE_PAGE	INDEX
+INSERT INTO infoschema_buffer_test VALUES(19);
+SELECT TABLE_NAME, INDEX_NAME, NUMBER_RECORDS, DATA_SIZE, PAGE_STATE, PAGE_TYPE
+FROM INFORMATION_SCHEMA.INNODB_BUFFER_PAGE
+WHERE TABLE_NAME like "%infoschema_buffer_test"
+and PAGE_STATE="file_page" and PAGE_TYPE="index";
+TABLE_NAME	INDEX_NAME	NUMBER_RECORDS	DATA_SIZE	PAGE_STATE	PAGE_TYPE
+test/infoschema_buffer_test	GEN_CLUST_INDEX	2	58	FILE_PAGE	INDEX
+CREATE INDEX idx ON infoschema_buffer_test(col1);
+SELECT TABLE_NAME, INDEX_NAME, NUMBER_RECORDS, DATA_SIZE, PAGE_STATE, PAGE_TYPE
+FROM INFORMATION_SCHEMA.INNODB_BUFFER_PAGE
+WHERE TABLE_NAME like "%infoschema_buffer_test"
+and PAGE_STATE="file_page" and INDEX_NAME = "idx" and PAGE_TYPE="index";
+TABLE_NAME	INDEX_NAME	NUMBER_RECORDS	DATA_SIZE	PAGE_STATE	PAGE_TYPE
+test/infoschema_buffer_test	idx	2	32	FILE_PAGE	INDEX
+DROP TABLE infoschema_buffer_test;
+SELECT TABLE_NAME, INDEX_NAME, NUMBER_RECORDS, DATA_SIZE, PAGE_STATE, PAGE_TYPE
+FROM INFORMATION_SCHEMA.INNODB_BUFFER_PAGE
+WHERE TABLE_NAME like "%infoschema_buffer_test";
+TABLE_NAME	INDEX_NAME	NUMBER_RECORDS	DATA_SIZE	PAGE_STATE	PAGE_TYPE
+CREATE TABLE infoschema_parent (id INT NOT NULL, PRIMARY KEY (id))
+ENGINE=INNODB;
+CREATE TABLE infoschema_child (id INT, parent_id INT, INDEX par_ind (parent_id),
+FOREIGN KEY (parent_id)
+REFERENCES infoschema_parent(id)
+ON DELETE CASCADE)
+ENGINE=INNODB;
+SELECT count(*)
+FROM INFORMATION_SCHEMA.INNODB_BUFFER_PAGE
+WHERE TABLE_NAME like "%infoschema_child" and PAGE_STATE="file_page"
+and PAGE_TYPE="index";
+count(*)
+2
+DROP TABLE infoschema_child;
+DROP TABLE infoschema_parent;
+show create table information_schema.innodb_buffer_page;
+Table	Create Table
+INNODB_BUFFER_PAGE	CREATE TEMPORARY TABLE `INNODB_BUFFER_PAGE` (
+  `POOL_ID` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `BLOCK_ID` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `SPACE` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `PAGE_NUMBER` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `PAGE_TYPE` varchar(64) DEFAULT NULL,
+  `FLUSH_TYPE` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `FIX_COUNT` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `IS_HASHED` varchar(3) DEFAULT NULL,
+  `NEWEST_MODIFICATION` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `OLDEST_MODIFICATION` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `ACCESS_TIME` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `TABLE_NAME` varchar(1024) DEFAULT NULL,
+  `INDEX_NAME` varchar(1024) DEFAULT NULL,
+  `NUMBER_RECORDS` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `DATA_SIZE` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `COMPRESSED_SIZE` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `PAGE_STATE` varchar(64) DEFAULT NULL,
+  `IO_FIX` varchar(64) DEFAULT NULL,
+  `IS_OLD` varchar(3) DEFAULT NULL,
+  `FREE_PAGE_CLOCK` bigint(21) unsigned NOT NULL DEFAULT '0'
+) ENGINE=MEMORY DEFAULT CHARSET=utf8
+show create table information_schema.innodb_buffer_page_lru;
+Table	Create Table
+INNODB_BUFFER_PAGE_LRU	CREATE TEMPORARY TABLE `INNODB_BUFFER_PAGE_LRU` (
+  `POOL_ID` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `LRU_POSITION` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `SPACE` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `PAGE_NUMBER` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `PAGE_TYPE` varchar(64) DEFAULT NULL,
+  `FLUSH_TYPE` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `FIX_COUNT` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `IS_HASHED` varchar(3) DEFAULT NULL,
+  `NEWEST_MODIFICATION` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `OLDEST_MODIFICATION` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `ACCESS_TIME` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `TABLE_NAME` varchar(1024) DEFAULT NULL,
+  `INDEX_NAME` varchar(1024) DEFAULT NULL,
+  `NUMBER_RECORDS` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `DATA_SIZE` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `COMPRESSED_SIZE` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `COMPRESSED` varchar(3) DEFAULT NULL,
+  `IO_FIX` varchar(64) DEFAULT NULL,
+  `IS_OLD` varchar(3) DEFAULT NULL,
+  `FREE_PAGE_CLOCK` bigint(21) unsigned NOT NULL DEFAULT '0'
+) ENGINE=MEMORY DEFAULT CHARSET=utf8
+show create table information_schema.innodb_buffer_pool_stats;
+Table	Create Table
+INNODB_BUFFER_POOL_STATS	CREATE TEMPORARY TABLE `INNODB_BUFFER_POOL_STATS` (
+  `POOL_ID` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `POOL_SIZE` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `FREE_BUFFERS` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `DATABASE_PAGES` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `OLD_DATABASE_PAGES` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `MODIFIED_DATABASE_PAGES` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `PENDING_DECOMPRESS` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `PENDING_READS` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `PENDING_FLUSH_LRU` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `PENDING_FLUSH_LIST` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `PAGES_MADE_YOUNG` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `PAGES_NOT_MADE_YOUNG` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `PAGES_MADE_YOUNG_RATE` double NOT NULL DEFAULT '0',
+  `PAGES_MADE_NOT_YOUNG_RATE` double NOT NULL DEFAULT '0',
+  `NUMBER_PAGES_READ` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `NUMBER_PAGES_CREATED` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `NUMBER_PAGES_WRITTEN` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `PAGES_READ_RATE` double NOT NULL DEFAULT '0',
+  `PAGES_CREATE_RATE` double NOT NULL DEFAULT '0',
+  `PAGES_WRITTEN_RATE` double NOT NULL DEFAULT '0',
+  `NUMBER_PAGES_GET` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `HIT_RATE` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `YOUNG_MAKE_PER_THOUSAND_GETS` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `NOT_YOUNG_MAKE_PER_THOUSAND_GETS` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `NUMBER_PAGES_READ_AHEAD` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `NUMBER_READ_AHEAD_EVICTED` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `READ_AHEAD_RATE` double NOT NULL DEFAULT '0',
+  `READ_AHEAD_EVICTED_RATE` double NOT NULL DEFAULT '0',
+  `LRU_IO_TOTAL` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `LRU_IO_CURRENT` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `UNCOMPRESS_TOTAL` bigint(21) unsigned NOT NULL DEFAULT '0',
+  `UNCOMPRESS_CURRENT` bigint(21) unsigned NOT NULL DEFAULT '0'
+) ENGINE=MEMORY DEFAULT CHARSET=utf8
--- a/Show More
+++ b/Show More