Merge mysql.com:/home/gluh/MySQL/Merge/5.0

into  mysql.com:/home/gluh/MySQL/Merge/5.0-opt


mysql-test/t/subselect.test:
  Auto merged
mysql-test/t/variables.test:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/item_timefunc.cc:
  Auto merged
mysql-test/r/select.result:
  manual merge
mysql-test/t/select.test:
  manual merge

62 files changed, 2200 insertions, 183 deletions

diff --git a/BitKeeper/triggers/pre-commit.check-case.pl b/BitKeeper/triggers/pre-commit.check-case.pl
new file mode 100755
index 00000000000..4f68f8619e5
--- /dev/null
+++ b/BitKeeper/triggers/pre-commit.check-case.pl
@@ -0,0 +1,26 @@
+#!/usr/bin/perl
+my $status = 0;
+
+my $pending = $ENV{'BK_PENDING'};
+exit 0 unless -f $pending;
+
+open FI, "<", $pending || exit 0;
+while(<FI>) {
+	my ($file, $stuff) = split /\|/, $_, 2;
+	next unless -f $file;
+	$file =~ s/^(.*)\/([^\/]*)$/$2/;
+	my $path = $1;
+	opendir DIR, $path;
+	my @files = sort map { lc } readdir DIR;
+	closedir DIR;
+	my %count = ();
+	$count{$_}++ for @files;
+	@files = grep { $count{$_} > 1 } keys %count;
+	if(@files > 0) {
+		print "$path/$file: duplicate file names: " . (join " ", @files) . "\n";
+		$status = 1;
+	}
+}
+close FI;
+
+exit $status;
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e2fb39fee9a..b7b546ab72c 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -109,6 +109,15 @@ IF(CMAKE_GENERATOR MATCHES "Visual Studio 7" OR
     STRING(REPLACE "/EHsc" "" CMAKE_CXX_FLAGS_INIT       ${CMAKE_CXX_FLAGS_INIT})
     STRING(REPLACE "/EHsc" "" CMAKE_CXX_FLAGS_DEBUG_INIT ${CMAKE_CXX_FLAGS_DEBUG_INIT})
 
+    # Disable automatic manifest generation.
+    STRING(REPLACE "/MANIFEST" "/MANIFEST:NO" CMAKE_EXE_LINKER_FLAGS 
+    	   ${CMAKE_EXE_LINKER_FLAGS})
+    # Explicitly disable it since it is the default for newer versions of VS
+    STRING(REGEX MATCH "MANIFEST:NO" tmp_manifest ${CMAKE_EXE_LINKER_FLAGS})
+    IF(NOT tmp_manifest)
+        SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /MANIFEST:NO")
+    ENDIF(NOT tmp_manifest)
+
 ENDIF(CMAKE_GENERATOR MATCHES "Visual Studio 7" OR 
       CMAKE_GENERATOR MATCHES "Visual Studio 8")
 
@@ -156,14 +165,6 @@ IF(EMBED_MANIFESTS)
         MESSAGE(FATAL_ERROR "Sign tool, signtool.exe, can't be found.")
     ENDIF(HAVE_SIGN_TOOL)
 
-    # Disable automatic manifest generation.
-    STRING(REPLACE "/MANIFEST" "/MANIFEST:NO" CMAKE_EXE_LINKER_FLAGS 
-    	   ${CMAKE_EXE_LINKER_FLAGS})
-    # Explicitly disable it since it is the default for newer versions of VS
-    STRING(REGEX MATCH "MANIFEST:NO" tmp_manifest ${CMAKE_EXE_LINKER_FLAGS})
-    IF(NOT tmp_manifest)
-        SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /MANIFEST:NO")
-    ENDIF(NOT tmp_manifest)
     # Set the processor architecture.
     IF(CMAKE_GENERATOR MATCHES "Visual Studio 8 2005 Win64")
     	SET(PROCESSOR_ARCH "amd64") 
diff --git a/cmd-line-utils/libedit/Makefile.am b/cmd-line-utils/libedit/Makefile.am
index b7611193aea..bb4b40180d1 100644
--- a/cmd-line-utils/libedit/Makefile.am
+++ b/cmd-line-utils/libedit/Makefile.am
@@ -5,8 +5,7 @@
 ASRC =			$(srcdir)/vi.c $(srcdir)/emacs.c $(srcdir)/common.c
 AHDR =			vi.h emacs.h common.h
 
-# Make sure to include stuff from this directory first, to get right "config.h"
-INCLUDES =		-I. -I$(top_builddir)/include -I$(top_srcdir)/include
+INCLUDES =		-I$(top_builddir)/include -I$(top_srcdir)/include
 
 noinst_LIBRARIES =	libedit.a
 
@@ -31,7 +30,14 @@ EXTRA_DIST = makelist.sh np/unvis.c np/strlcpy.c np/vis.c np/vis.h np/strlcat.c
 
 CLEANFILES = makelist common.h emacs.h vi.h fcns.h help.h fcns.c help.c
 
-DEFS = -DUNDEF_THREADS_HACK -DHAVE_CONFIG_H -DNO_KILL_INTR 
+# Make sure to include stuff from this directory first, to get right "config.h"
+# Automake puts into DEFAULT_INCLUDES this source and corresponding
+# build directory together with ../../include to let all make files
+# find the central "config.h". This variable is used before INCLUDES
+# above. But in automake 1.10 the order of these are changed. Put the
+# includes of this directory into DEFS to always be sure it is first
+# before DEFAULT_INCLUDES on the compile line.
+DEFS = -DUNDEF_THREADS_HACK -DHAVE_CONFIG_H -DNO_KILL_INTR -I. -I$(srcdir)
 
 SUFFIXES = .sh
 
diff --git a/configure.in b/configure.in
index 71d5988480e..c423bca3faa 100644
--- a/configure.in
+++ b/configure.in
@@ -124,6 +124,8 @@ case $MACHINE_TYPE in
 esac
 
 # Save some variables and the command line options for mysqlbug
+SAVE_CC="$CC"
+SAVE_CXX="$CXX"
 SAVE_ASFLAGS="$ASFLAGS"
 SAVE_CFLAGS="$CFLAGS"
 SAVE_CXXFLAGS="$CXXFLAGS"
@@ -131,6 +133,8 @@ SAVE_LDFLAGS="$LDFLAGS"
 SAVE_CXXLDFLAGS="$CXXLDFLAGS"
 CONF_COMMAND="$0 $ac_configure_args"
 AC_SUBST(CONF_COMMAND)
+AC_SUBST(SAVE_CC)
+AC_SUBST(SAVE_CXX)
 AC_SUBST(SAVE_ASFLAGS)
 AC_SUBST(SAVE_CFLAGS)
 AC_SUBST(SAVE_CXXFLAGS)
@@ -373,6 +377,7 @@ AC_SUBST(CC)
 AC_SUBST(CFLAGS)
 AC_SUBST(CXX)
 AC_SUBST(CXXFLAGS)
+AC_SUBST(ASFLAGS)
 AC_SUBST(LD)
 AC_SUBST(INSTALL_SCRIPT)
 
@@ -631,7 +636,7 @@ AC_SUBST(NOINST_LDFLAGS)
 
 if test "$TARGET_LINUX" = "true" -a "$static_nss" = ""
 then
-  tmp=`nm /usr/lib/libc.a  | grep _nss_files_getaliasent_r`
+  tmp=`nm /usr/lib*/libc.a  | grep _nss_files_getaliasent_r`
   if test -n "$tmp"
   then
      STATIC_NSS_FLAGS="-lc -lnss_files -lnss_dns -lresolv"
diff --git a/include/my_sys.h b/include/my_sys.h
index 4f7e75a836e..7218f91cccd 100644
--- a/include/my_sys.h
+++ b/include/my_sys.h
@@ -879,6 +879,8 @@ extern CHARSET_INFO *get_charset(uint cs_number, myf flags);
 extern CHARSET_INFO *get_charset_by_name(const char *cs_name, myf flags);
 extern CHARSET_INFO *get_charset_by_csname(const char *cs_name,
 					   uint cs_flags, myf my_flags);
+extern CHARSET_INFO *get_compatible_charset_with_ctype(CHARSET_INFO
+                                                       *original_cs);
 extern void free_charsets(void);
 extern char *get_charsets_dir(char *buf);
 extern my_bool my_charset_same(CHARSET_INFO *cs1, CHARSET_INFO *cs2);
diff --git a/libmysql/libmysql.c b/libmysql/libmysql.c
index e50bd16ca32..85509b49fdd 100644
--- a/libmysql/libmysql.c
+++ b/libmysql/libmysql.c
@@ -706,7 +706,8 @@ int cli_read_change_user_result(MYSQL *mysql, char *buff, const char *passwd)
 my_bool	STDCALL mysql_change_user(MYSQL *mysql, const char *user,
 				  const char *passwd, const char *db)
 {
-  char buff[512],*end=buff;
+  char buff[USERNAME_LENGTH+SCRAMBLED_PASSWORD_CHAR_LENGTH+NAME_LEN+2];
+  char *end= buff;
   int rc;
   DBUG_ENTER("mysql_change_user");
 
@@ -716,7 +717,7 @@ my_bool	STDCALL mysql_change_user(MYSQL *mysql, const char *user,
     passwd="";
 
   /* Store user into the buffer */
-  end=strmov(end,user)+1;
+  end= strmake(end, user, USERNAME_LENGTH) + 1;
 
   /* write scrambled password according to server capabilities */
   if (passwd[0])
@@ -736,7 +737,7 @@ my_bool	STDCALL mysql_change_user(MYSQL *mysql, const char *user,
   else
     *end++= '\0';                               /* empty password */
   /* Add database if needed */
-  end= strmov(end, db ? db : "") + 1;
+  end= strmake(end, db ? db : "", NAME_LEN) + 1;
 
   /* Write authentication package */
   simple_command(mysql,COM_CHANGE_USER, buff,(ulong) (end-buff),1);
diff --git a/myisam/ft_parser.c b/myisam/ft_parser.c
index 6d68542e4e2..1d3a19dd8c6 100644
--- a/myisam/ft_parser.c
+++ b/myisam/ft_parser.c
@@ -188,7 +188,7 @@ byte ft_simple_get_word(CHARSET_INFO *cs, byte **start, const byte *end,
 
   do
   {
-    for (;; doc+= mbl)
+    for (;; doc+= (mbl ? mbl : 1))
     {
       if (doc >= end) DBUG_RETURN(0);
       if (true_word_char(cs, *doc)) break;
diff --git a/myisam/mi_check.c b/myisam/mi_check.c
index ed0a84e737d..ba308f75d24 100644
--- a/myisam/mi_check.c
+++ b/myisam/mi_check.c
@@ -1375,6 +1375,139 @@ int chk_data_link(MI_CHECK *param, MI_INFO *info,int extend)
 } /* chk_data_link */
 
 
+/**
+  @brief Drop all indexes
+
+  @param[in]    param           check parameters
+  @param[in]    info            MI_INFO handle
+  @param[in]    force           if to force drop all indexes
+
+  @return       status
+    @retval     0               OK
+    @retval     != 0            Error
+
+  @note
+    Once allocated, index blocks remain part of the key file forever.
+    When indexes are disabled, no block is freed. When enabling indexes,
+    no block is freed either. The new indexes are create from new
+    blocks. (Bug #4692)
+
+    Before recreating formerly disabled indexes, the unused blocks
+    must be freed. There are two options to do this:
+    - Follow the tree of disabled indexes, add all blocks to the
+      deleted blocks chain. Would require a lot of random I/O.
+    - Drop all blocks by clearing all index root pointers and all
+      delete chain pointers and resetting key_file_length to the end
+      of the index file header. This requires to recreate all indexes,
+      even those that may still be intact.
+    The second method is probably faster in most cases.
+
+    When disabling indexes, MySQL disables either all indexes or all
+    non-unique indexes. When MySQL [re-]enables disabled indexes
+    (T_CREATE_MISSING_KEYS), then we either have "lost" blocks in the
+    index file, or there are no non-unique indexes. In the latter case,
+    mi_repair*() would not be called as there would be no disabled
+    indexes.
+
+    If there would be more unique indexes than disabled (non-unique)
+    indexes, we could do the first method. But this is not implemented
+    yet. By now we drop and recreate all indexes when repair is called.
+
+    However, there is an exception. Sometimes MySQL disables non-unique
+    indexes when the table is empty (e.g. when copying a table in
+    mysql_alter_table()). When enabling the non-unique indexes, they
+    are still empty. So there is no index block that can be lost. This
+    optimization is implemented in this function.
+
+    Note that in normal repair (T_CREATE_MISSING_KEYS not set) we
+    recreate all enabled indexes unconditonally. We do not change the
+    key_map. Otherwise we invert the key map temporarily (outside of
+    this function) and recreate the then "seemingly" enabled indexes.
+    When we cannot use the optimization, and drop all indexes, we
+    pretend that all indexes were disabled. By the inversion, we will
+    then recrate all indexes.
+*/
+
+static int mi_drop_all_indexes(MI_CHECK *param, MI_INFO *info, my_bool force)
+{
+  MYISAM_SHARE *share= info->s;
+  MI_STATE_INFO *state= &share->state;
+  uint i;
+  int error;
+  DBUG_ENTER("mi_drop_all_indexes");
+
+  /*
+    If any of the disabled indexes has a key block assigned, we must
+    drop and recreate all indexes to avoid losing index blocks.
+
+    If we want to recreate disabled indexes only _and_ all of these
+    indexes are empty, we don't need to recreate the existing indexes.
+  */
+  if (!force && (param->testflag & T_CREATE_MISSING_KEYS))
+  {
+    DBUG_PRINT("repair", ("creating missing indexes"));
+    for (i= 0; i < share->base.keys; i++)
+    {
+      DBUG_PRINT("repair", ("index #: %u  key_root: 0x%lx  active: %d",
+                            i, (long) state->key_root[i],
+                            mi_is_key_active(state->key_map, i)));
+      if ((state->key_root[i] != HA_OFFSET_ERROR) &&
+          !mi_is_key_active(state->key_map, i))
+      {
+        /*
+          This index has at least one key block and it is disabled.
+          We would lose its block(s) if would just recreate it.
+          So we need to drop and recreate all indexes.
+        */
+        DBUG_PRINT("repair", ("nonempty and disabled: recreate all"));
+        break;
+      }
+    }
+    if (i >= share->base.keys)
+    {
+      /*
+        All of the disabled indexes are empty. We can just recreate them.
+        Flush dirty blocks of this index file from key cache and remove
+        all blocks of this index file from key cache.
+      */
+      DBUG_PRINT("repair", ("all disabled are empty: create missing"));
+      error= flush_key_blocks(share->key_cache, share->kfile,
+                              FLUSH_FORCE_WRITE);
+      goto end;
+    }
+    /*
+      We do now drop all indexes and declare them disabled. With the
+      T_CREATE_MISSING_KEYS flag, mi_repair*() will recreate all
+      disabled indexes and enable them.
+    */
+    mi_clear_all_keys_active(state->key_map);
+    DBUG_PRINT("repair", ("declared all indexes disabled"));
+  }
+
+  /* Remove all key blocks of this index file from key cache. */
+  if ((error= flush_key_blocks(share->key_cache, share->kfile,
+                               FLUSH_IGNORE_CHANGED)))
+    goto end;
+
+  /* Clear index root block pointers. */
+  for (i= 0; i < share->base.keys; i++)
+    state->key_root[i]= HA_OFFSET_ERROR;
+
+  /* Clear the delete chains. */
+  for (i= 0; i < state->header.max_block_size; i++)
+    state->key_del[i]= HA_OFFSET_ERROR;
+
+  /* Reset index file length to end of index file header. */
+  info->state->key_file_length= share->base.keystart;
+
+  DBUG_PRINT("repair", ("dropped all indexes"));
+  /* error= 0; set by last (error= flush_key_bocks()). */
+
+ end:
+  DBUG_RETURN(error);
+}
+
+
 	/* Recover old table by reading each record and writing all keys */
 	/* Save new datafile-name in temp_filename */
 
@@ -1382,7 +1515,6 @@ int mi_repair(MI_CHECK *param, register MI_INFO *info,
 	      my_string name, int rep_quick)
 {
   int error,got_error;
-  uint i;
   ha_rows start_records,new_header_length;
   my_off_t del;
   File new_file;
@@ -1486,25 +1618,10 @@ int mi_repair(MI_CHECK *param, register MI_INFO *info,
 
   info->update= (short) (HA_STATE_CHANGED | HA_STATE_ROW_CHANGED);
 
-  /*
-    Clear all keys. Note that all key blocks allocated until now remain
-    "dead" parts of the key file. (Bug #4692)
-  */
-  for (i=0 ; i < info->s->base.keys ; i++)
-    share->state.key_root[i]= HA_OFFSET_ERROR;
-
-  /* Drop the delete chain. */
-  for (i=0 ; i < share->state.header.max_block_size ; i++)
-    share->state.key_del[i]=  HA_OFFSET_ERROR;
-
-  /*
-    If requested, activate (enable) all keys in key_map. In this case,
-    all indexes will be (re-)built.
-  */
+  /* This function always recreates all enabled indexes. */
   if (param->testflag & T_CREATE_MISSING_KEYS)
     mi_set_all_keys_active(share->state.key_map, share->base.keys);
-
-  info->state->key_file_length=share->base.keystart;
+  mi_drop_all_indexes(param, info, TRUE);
 
   lock_memory(param);			/* Everything is alloced */
 
@@ -2105,8 +2222,9 @@ int mi_repair_by_sort(MI_CHECK *param, register MI_INFO *info,
   ulong   *rec_per_key_part;
   char llbuff[22];
   SORT_INFO sort_info;
-  ulonglong key_map=share->state.key_map;
+  ulonglong key_map;
   DBUG_ENTER("mi_repair_by_sort");
+  LINT_INIT(key_map);
 
   start_records=info->state->records;
   got_error=1;
@@ -2179,25 +2297,14 @@ int mi_repair_by_sort(MI_CHECK *param, register MI_INFO *info,
   }
 
   info->update= (short) (HA_STATE_CHANGED | HA_STATE_ROW_CHANGED);
-  if (!(param->testflag & T_CREATE_MISSING_KEYS))
-  {
-    /*
-      Flush key cache for this file if we are calling this outside
-      myisamchk
-    */
-    flush_key_blocks(share->key_cache,share->kfile, FLUSH_IGNORE_CHANGED);
-    /* Clear the pointers to the given rows */
-    for (i=0 ; i < share->base.keys ; i++)
-      share->state.key_root[i]= HA_OFFSET_ERROR;
-    for (i=0 ; i < share->state.header.max_block_size ; i++)
-      share->state.key_del[i]=  HA_OFFSET_ERROR;
-    info->state->key_file_length=share->base.keystart;
-  }
-  else
+
+  /* Optionally drop indexes and optionally modify the key_map. */
+  mi_drop_all_indexes(param, info, FALSE);
+  key_map= share->state.key_map;
+  if (param->testflag & T_CREATE_MISSING_KEYS)
   {
-    if (flush_key_blocks(share->key_cache,share->kfile, FLUSH_FORCE_WRITE))
-      goto err;
-    key_map= ~key_map;				/* Create the missing keys */
+    /* Invert the copied key_map to recreate all disabled indexes. */
+    key_map= ~key_map;
   }
 
   sort_info.info=info;
@@ -2240,6 +2347,10 @@ int mi_repair_by_sort(MI_CHECK *param, register MI_INFO *info,
     sort_param.read_cache=param->read_cache;
     sort_param.keyinfo=share->keyinfo+sort_param.key;
     sort_param.seg=sort_param.keyinfo->seg;
+    /*
+      Skip this index if it is marked disabled in the copied
+      (and possibly inverted) key_map.
+    */
     if (! mi_is_key_active(key_map, sort_param.key))
     {
       /* Remember old statistics for key */
@@ -2247,6 +2358,8 @@ int mi_repair_by_sort(MI_CHECK *param, register MI_INFO *info,
 	     (char*) (share->state.rec_per_key_part +
 		      (uint) (rec_per_key_part - param->rec_per_key_part)),
 	     sort_param.keyinfo->keysegs*sizeof(*rec_per_key_part));
+      DBUG_PRINT("repair", ("skipping seemingly disabled index #: %u",
+                            sort_param.key));
       continue;
     }
 
@@ -2302,8 +2415,11 @@ int mi_repair_by_sort(MI_CHECK *param, register MI_INFO *info,
     if (param->testflag & T_STATISTICS)
       update_key_parts(sort_param.keyinfo, rec_per_key_part, sort_param.unique,
                        param->stats_method == MI_STATS_METHOD_IGNORE_NULLS?
-                       sort_param.notnull: NULL,(ulonglong) info->state->records);
+                       sort_param.notnull: NULL,
+                       (ulonglong) info->state->records);
+    /* Enable this index in the permanent (not the copied) key_map. */
     mi_set_key_active(share->state.key_map, sort_param.key);
+    DBUG_PRINT("repair", ("set enabled index #: %u", sort_param.key));
 
     if (sort_param.fix_datafile)
     {
@@ -2504,9 +2620,10 @@ int mi_repair_parallel(MI_CHECK *param, register MI_INFO *info,
   IO_CACHE new_data_cache; /* For non-quick repair. */
   IO_CACHE_SHARE io_share;
   SORT_INFO sort_info;
-  ulonglong key_map=share->state.key_map;
+  ulonglong key_map;
   pthread_attr_t thr_attr;
   DBUG_ENTER("mi_repair_parallel");
+  LINT_INIT(key_map);
 
   start_records=info->state->records;
   got_error=1;
@@ -2608,25 +2725,14 @@ int mi_repair_parallel(MI_CHECK *param, register MI_INFO *info,
   }
 
   info->update= (short) (HA_STATE_CHANGED | HA_STATE_ROW_CHANGED);
-  if (!(param->testflag & T_CREATE_MISSING_KEYS))
-  {
-    /*
-      Flush key cache for this file if we are calling this outside
-      myisamchk
-    */
-    flush_key_blocks(share->key_cache,share->kfile, FLUSH_IGNORE_CHANGED);
-    /* Clear the pointers to the given rows */
-    for (i=0 ; i < share->base.keys ; i++)
-      share->state.key_root[i]= HA_OFFSET_ERROR;
-    for (i=0 ; i < share->state.header.max_block_size ; i++)
-      share->state.key_del[i]=  HA_OFFSET_ERROR;
-    info->state->key_file_length=share->base.keystart;
-  }
-  else
+
+  /* Optionally drop indexes and optionally modify the key_map. */
+  mi_drop_all_indexes(param, info, FALSE);
+  key_map= share->state.key_map;
+  if (param->testflag & T_CREATE_MISSING_KEYS)
   {
-    if (flush_key_blocks(share->key_cache,share->kfile, FLUSH_FORCE_WRITE))
-      goto err;
-    key_map= ~key_map;				/* Create the missing keys */
+    /* Invert the copied key_map to recreate all disabled indexes. */
+    key_map= ~key_map;
   }
 
   sort_info.info=info;
@@ -2682,6 +2788,10 @@ int mi_repair_parallel(MI_CHECK *param, register MI_INFO *info,
     sort_param[i].key=key;
     sort_param[i].keyinfo=share->keyinfo+key;
     sort_param[i].seg=sort_param[i].keyinfo->seg;
+    /*
+      Skip this index if it is marked disabled in the copied
+      (and possibly inverted) key_map.
+    */
     if (! mi_is_key_active(key_map, key))
     {
       /* Remember old statistics for key */
diff --git a/mysql-test/include/gis_keys.inc b/mysql-test/include/gis_keys.inc
index 295e0c48234..c75311f062a 100644
--- a/mysql-test/include/gis_keys.inc
+++ b/mysql-test/include/gis_keys.inc
@@ -13,20 +13,20 @@ CREATE TABLE t2 (p POINT, INDEX(p));
 INSERT INTO t1 VALUES (POINTFROMTEXT('POINT(1 2)'));
 INSERT INTO t2 VALUES (POINTFROMTEXT('POINT(1 2)'));
 
--- no index, returns 1 as expected
+# no index, returns 1 as expected
 SELECT COUNT(*) FROM t1 WHERE p=POINTFROMTEXT('POINT(1 2)');
 
--- with index, returns 1 as expected
--- EXPLAIN shows that the index is not used though
--- due to the "most rows covered anyway, so a scan is more effective" rule
+# with index, returns 1 as expected
+# EXPLAIN shows that the index is not used though
+# due to the "most rows covered anyway, so a scan is more effective" rule
 EXPLAIN 
 SELECT COUNT(*) FROM t2 WHERE p=POINTFROMTEXT('POINT(1 2)');
 SELECT COUNT(*) FROM t2 WHERE p=POINTFROMTEXT('POINT(1 2)');
 
--- adding another row to the table so that
--- the "most rows covered" rule doesn't kick in anymore
--- now EXPLAIN shows the index used on the table
--- and we're getting the wrong result again
+# adding another row to the table so that
+# the "most rows covered" rule doesn't kick in anymore
+# now EXPLAIN shows the index used on the table
+# and we're getting the wrong result again
 INSERT INTO t1 VALUES (POINTFROMTEXT('POINT(1 2)'));
 INSERT INTO t2 VALUES (POINTFROMTEXT('POINT(1 2)'));
 EXPLAIN 
diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl
index 1ec91d200a5..799a37220cc 100755
--- a/mysql-test/mysql-test-run.pl
+++ b/mysql-test/mysql-test-run.pl
@@ -3715,6 +3715,13 @@ sub mysqld_arguments ($$$$) {
   # see BUG#28359
   mtr_add_arg($args, "%s--connect-timeout=60", $prefix);
 
+  # When mysqld is run by a root user(euid is 0), it will fail
+  # to start unless we specify what user to run as. If not running
+  # as root it will be ignored, see BUG#30630
+  if (!(grep(/^--user/, @$extra_opt, @opt_extra_mysqld_opt))) {
+    mtr_add_arg($args, "%s--user=root");
+  }
+
   if ( $opt_valgrind_mysqld )
   {
     mtr_add_arg($args, "%s--skip-safemalloc", $prefix);
diff --git a/mysql-test/r/csv.result b/mysql-test/r/csv.result
index 3900597d2a6..dca4e349c8a 100644
--- a/mysql-test/r/csv.result
+++ b/mysql-test/r/csv.result
@@ -5029,4 +5029,46 @@ F7	÷	DIVISION SIGN
 FE	þ	LATIN SMALL LETTER THORN
 FF	ÿ	LATIN SMALL LETTER Y WITH DIAERESIS
 drop table t1;
+create table t1(a datetime) engine=csv;
+insert into t1 values();
+select * from t1;
+a
+0000-00-00 00:00:00
+drop table t1;
+create table t1(a set('foo','bar')) engine=csv;
+insert into t1 values();
+select * from t1;
+a
+
+drop table t1;
+create table t1(a varchar(32)) engine=csv;
+insert into t1 values();
+select * from t1;
+a
+
+drop table t1;
+create table t1(a int) engine=csv;
+insert into t1 values();
+select * from t1;
+a
+0
+drop table t1;
+create table t1(a blob) engine=csv;
+insert into t1 values();
+select * from t1;
+a
+
+drop table t1;
+create table t1(a bit(1)) engine=csv;
+insert into t1 values();
+select BIN(a) from t1;
+BIN(a)
+0
+drop table t1;
+create table t1(a enum('foo','bar') default 'foo') engine=csv;
+insert into t1 values();
+select * from t1;
+a
+foo
+drop table t1;
 End of 5.0 tests
diff --git a/mysql-test/r/ctype_ucs.result b/mysql-test/r/ctype_ucs.result
index 262055436b8..82f21eb086d 100644
--- a/mysql-test/r/ctype_ucs.result
+++ b/mysql-test/r/ctype_ucs.result
@@ -811,6 +811,12 @@ quote(name)
 ????????
 ????????????????
 drop table bug20536;
+CREATE TABLE t1(a TEXT CHARSET ucs2 COLLATE ucs2_unicode_ci);
+INSERT INTO t1 VALUES('abcd');
+SELECT * FROM t1 WHERE MATCH(a) AGAINST ('+abcd' IN BOOLEAN MODE);
+a
+abcd
+DROP TABLE t1;
 End of 4.1 tests
 CREATE TABLE t1 (a varchar(64) character set ucs2, b decimal(10,3));
 INSERT INTO t1 VALUES ("1.1", 0), ("2.1", 0);
diff --git a/mysql-test/r/fulltext.result b/mysql-test/r/fulltext.result
index f6efe2411c0..29fb430bb97 100644
--- a/mysql-test/r/fulltext.result
+++ b/mysql-test/r/fulltext.result
@@ -463,3 +463,9 @@ ALTER TABLE t1 DISABLE KEYS;
 SELECT * FROM t1 WHERE MATCH(a) AGAINST('test');
 ERROR HY000: Can't find FULLTEXT index matching the column list
 DROP TABLE t1;
+CREATE TABLE t1(a TEXT);
+INSERT INTO t1 VALUES(' aaaaa aaaa');
+SELECT * FROM t1 WHERE MATCH(a) AGAINST ('"aaaa"' IN BOOLEAN MODE);
+a
+ aaaaa aaaa
+DROP TABLE t1;
diff --git a/mysql-test/r/myisam.result b/mysql-test/r/myisam.result
index 7fc29cd13ca..176d0e97012 100644
--- a/mysql-test/r/myisam.result
+++ b/mysql-test/r/myisam.result
@@ -1806,4 +1806,29 @@ SELECT a FROM t1 FORCE INDEX (inx) WHERE a=1;
 a
 1
 DROP TABLE t1;
+CREATE TABLE t1 (c1 INT, c2 INT, UNIQUE INDEX (c1), INDEX (c2)) ENGINE=MYISAM;
+SHOW TABLE STATUS LIKE 't1';
+Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
+t1	MyISAM	10	Fixed	0	#	#	#	1024	#	#	#	#	#	#	#		
+INSERT INTO t1 VALUES (1,1);
+SHOW TABLE STATUS LIKE 't1';
+Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
+t1	MyISAM	10	Fixed	1	#	#	#	3072	#	#	#	#	#	#	#		
+ALTER TABLE t1 DISABLE KEYS;
+SHOW TABLE STATUS LIKE 't1';
+Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
+t1	MyISAM	10	Fixed	1	#	#	#	3072	#	#	#	#	#	#	#		
+ALTER TABLE t1 ENABLE KEYS;
+SHOW TABLE STATUS LIKE 't1';
+Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
+t1	MyISAM	10	Fixed	1	#	#	#	3072	#	#	#	#	#	#	#		
+ALTER TABLE t1 DISABLE KEYS;
+SHOW TABLE STATUS LIKE 't1';
+Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
+t1	MyISAM	10	Fixed	1	#	#	#	3072	#	#	#	#	#	#	#		
+ALTER TABLE t1 ENABLE KEYS;
+SHOW TABLE STATUS LIKE 't1';
+Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
+t1	MyISAM	10	Fixed	1	#	#	#	3072	#	#	#	#	#	#	#		
+DROP TABLE t1;
 End of 5.0 tests
diff --git a/mysql-test/r/ndb_condition_pushdown.result b/mysql-test/r/ndb_condition_pushdown.result
index 6012c9b6969..d49c0cd983e 100644
--- a/mysql-test/r/ndb_condition_pushdown.result
+++ b/mysql-test/r/ndb_condition_pushdown.result
@@ -1888,5 +1888,27 @@ set engine_condition_pushdown = 1;
 SELECT fname, lname FROM t1 WHERE (fname like 'Y%') or (lname like 'F%');
 fname	lname
 Young	Foo
+drop table t1;
+create table t1 (a int, b int, c int, d int, primary key using hash(a))
+engine=ndbcluster;
+insert into t1 values (10,1,100,0+0x1111);
+insert into t1 values (20,2,200,0+0x2222);
+insert into t1 values (30,3,300,0+0x3333);
+insert into t1 values (40,4,400,0+0x4444);
+insert into t1 values (50,5,500,0+0x5555);
+set engine_condition_pushdown = on;
+select a,b,d from t1
+where b in (0,1,2,5)
+order by b;
+a	b	d
+10	1	4369
+20	2	8738
+50	5	21845
+a	b	d
+10	1	4369
+20	2	8738
+50	5	21845
+Warnings:
+Warning	4294	Scan filter is too large, discarded
 set engine_condition_pushdown = @old_ecpd;
 DROP TABLE t1,t2,t3,t4,t5;
diff --git a/mysql-test/r/ndb_update.result b/mysql-test/r/ndb_update.result
index d75f82172ae..7848a47bcef 100644
--- a/mysql-test/r/ndb_update.result
+++ b/mysql-test/r/ndb_update.result
@@ -39,4 +39,12 @@ pk1	b	c
 10	0	0
 12	2	2
 14	1	1
+create unique index ib on t1(b);
+update t1 set c = 4 where pk1 = 12;
+update ignore t1 set b = 55 where pk1 = 14;
+select * from t1 order by pk1;
+pk1	b	c
+10	0	0
+12	2	4
+14	55	1
 DROP TABLE IF EXISTS t1;
diff --git a/mysql-test/r/select.result b/mysql-test/r/select.result
index cb17ea074a0..a1ba58a536c 100644
--- a/mysql-test/r/select.result
+++ b/mysql-test/r/select.result
@@ -4287,4 +4287,39 @@ c32
 1
 1
 DROP TABLE t1, t2, t3;
+
+#
+# Bug#30736: Row Size Too Large Error Creating a Table and
+# Inserting Data.
+#
+DROP TABLE IF EXISTS t1;
+DROP TABLE IF EXISTS t2;
+
+CREATE TABLE t1(
+c1 DECIMAL(10, 2),
+c2 FLOAT);
+
+INSERT INTO t1 VALUES (0, 1), (2, 3), (4, 5);
+
+CREATE TABLE t2(
+c3 DECIMAL(10, 2))
+SELECT
+c1 * c2 AS c3
+FROM t1;
+
+SELECT * FROM t1;
+c1	c2
+0.00	1
+2.00	3
+4.00	5
+
+SELECT * FROM t2;
+c3
+0.00
+6.00
+20.00
+
+DROP TABLE t1;
+DROP TABLE t2;
+
 End of 5.0 tests
diff --git a/mysql-test/r/symlink.result b/mysql-test/r/symlink.result
index 18299bf4298..833adbeb851 100644
--- a/mysql-test/r/symlink.result
+++ b/mysql-test/r/symlink.result
@@ -99,6 +99,12 @@ t1	CREATE TABLE `t1` (
   `b` int(11) default NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 drop table t1;
+CREATE TABLE t1(a INT)
+DATA DIRECTORY='TEST_DIR/master-data/mysql'
+INDEX DIRECTORY='TEST_DIR/master-data/mysql';
+RENAME TABLE t1 TO user;
+ERROR HY000: Can't create/write to file 'TEST_DIR/master-data/mysql/user.MYI' (Errcode: 17)
+DROP TABLE t1;
 show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
diff --git a/mysql-test/suite/funcs_2/r/innodb_charset.result b/mysql-test/suite/funcs_2/r/innodb_charset.result
index 25b720af1da..09076145c44 100644
--- a/mysql-test/suite/funcs_2/r/innodb_charset.result
+++ b/mysql-test/suite/funcs_2/r/innodb_charset.result
@@ -737,7 +737,6 @@ a_ascii	a_len
 44	1
 64	1
 45	1
-60	1
 65	1
 46	1
 66	1
@@ -779,17 +778,18 @@ a_ascii	a_len
 78	1
 59	1
 79	1
-7E	1
 5A	1
 7A	1
-5D	1
 5B	1
 5C	1
+5D	1
 5E	1
 5F	1
+60	1
 7B	1
 7C	1
 7D	1
+7E	1
 7F	1
 80	1
 81	1
diff --git a/mysql-test/suite/funcs_2/r/memory_charset.result b/mysql-test/suite/funcs_2/r/memory_charset.result
index 073b057d733..8536ac4a9b2 100644
--- a/mysql-test/suite/funcs_2/r/memory_charset.result
+++ b/mysql-test/suite/funcs_2/r/memory_charset.result
@@ -737,7 +737,6 @@ a_ascii	a_len
 44	1
 64	1
 45	1
-60	1
 65	1
 46	1
 66	1
@@ -779,17 +778,18 @@ a_ascii	a_len
 78	1
 59	1
 79	1
-7E	1
 5A	1
 7A	1
-5D	1
 5B	1
 5C	1
+5D	1
 5E	1
 5F	1
+60	1
 7B	1
 7C	1
 7D	1
+7E	1
 7F	1
 80	1
 81	1
diff --git a/mysql-test/suite/funcs_2/r/myisam_charset.result b/mysql-test/suite/funcs_2/r/myisam_charset.result
index 50ed8aca2cc..698cce1be37 100644
--- a/mysql-test/suite/funcs_2/r/myisam_charset.result
+++ b/mysql-test/suite/funcs_2/r/myisam_charset.result
@@ -737,7 +737,6 @@ a_ascii	a_len
 44	1
 64	1
 45	1
-60	1
 65	1
 46	1
 66	1
@@ -779,17 +778,18 @@ a_ascii	a_len
 78	1
 59	1
 79	1
-7E	1
 5A	1
 7A	1
-5D	1
 5B	1
 5C	1
+5D	1
 5E	1
 5F	1
+60	1
 7B	1
 7C	1
 7D	1
+7E	1
 7F	1
 80	1
 81	1
diff --git a/mysql-test/suite/funcs_2/r/ndb_charset.result b/mysql-test/suite/funcs_2/r/ndb_charset.result
index 7a5c63f71d6..0a4dba2e302 100644
--- a/mysql-test/suite/funcs_2/r/ndb_charset.result
+++ b/mysql-test/suite/funcs_2/r/ndb_charset.result
@@ -737,7 +737,6 @@ a_ascii	a_len
 44	1
 64	1
 45	1
-60	1
 65	1
 46	1
 66	1
@@ -779,17 +778,18 @@ a_ascii	a_len
 78	1
 59	1
 79	1
-7E	1
 5A	1
 7A	1
-5D	1
 5B	1
 5C	1
+5D	1
 5E	1
 5F	1
+60	1
 7B	1
 7C	1
 7D	1
+7E	1
 7F	1
 80	1
 81	1
diff --git a/mysql-test/t/csv.test b/mysql-test/t/csv.test
index b724b4ce47c..db5cb92c3e6 100644
--- a/mysql-test/t/csv.test
+++ b/mysql-test/t/csv.test
@@ -1427,4 +1427,37 @@ insert into t1 values (0xFF,'LATIN SMALL LETTER Y WITH DIAERESIS');
 select hex(c), c, name from t1 order by 1;
 drop table t1;
 
+#
+# Bug #31473: does not work with NULL value in datetime field
+# This bug is a 5.1 but is here to prevent 5.0 regression.
+#
+create table t1(a datetime) engine=csv;
+insert into t1 values();
+select * from t1;
+drop table t1;
+create table t1(a set('foo','bar')) engine=csv;
+insert into t1 values();
+select * from t1;
+drop table t1;
+create table t1(a varchar(32)) engine=csv;
+insert into t1 values();
+select * from t1;
+drop table t1;
+create table t1(a int) engine=csv;
+insert into t1 values();
+select * from t1;
+drop table t1;
+create table t1(a blob) engine=csv;
+insert into t1 values();
+select * from t1;
+drop table t1;
+create table t1(a bit(1)) engine=csv;
+insert into t1 values();
+select BIN(a) from t1;
+drop table t1;
+create table t1(a enum('foo','bar') default 'foo') engine=csv;
+insert into t1 values();
+select * from t1;
+drop table t1;
+
 --echo End of 5.0 tests
diff --git a/mysql-test/t/ctype_uca.test b/mysql-test/t/ctype_uca.test
index 17632e7c8fc..695a21adbf5 100644
--- a/mysql-test/t/ctype_uca.test
+++ b/mysql-test/t/ctype_uca.test
@@ -530,7 +530,7 @@ create table t1 (
   a varchar(255),
   key a(a)
 ) character set utf8 collate utf8_czech_ci;
--- In Czech 'ch' is a single letter between 'h' and 'i'
+# In Czech 'ch' is a single letter between 'h' and 'i'
 insert into t1 values
 ('b'),('c'),('d'),('e'),('f'),('g'),('h'),('ch'),('i'),('j');
 select * from t1 where a like 'c%';
diff --git a/mysql-test/t/ctype_ucs.test b/mysql-test/t/ctype_ucs.test
index 5525a5beb6f..7827ff0d31e 100644
--- a/mysql-test/t/ctype_ucs.test
+++ b/mysql-test/t/ctype_ucs.test
@@ -547,6 +547,14 @@ select quote(name) from bug20536;
 
 drop table bug20536;
 
+#
+# BUG#31159 - fulltext search on ucs2 column crashes server
+#
+CREATE TABLE t1(a TEXT CHARSET ucs2 COLLATE ucs2_unicode_ci);
+INSERT INTO t1 VALUES('abcd');
+SELECT * FROM t1 WHERE MATCH(a) AGAINST ('+abcd' IN BOOLEAN MODE);
+DROP TABLE t1;
+
 --echo End of 4.1 tests
 
 #
diff --git a/mysql-test/t/fulltext.test b/mysql-test/t/fulltext.test
index 44375562307..e5f1db14b7f 100644
--- a/mysql-test/t/fulltext.test
+++ b/mysql-test/t/fulltext.test
@@ -387,4 +387,12 @@ ALTER TABLE t1 DISABLE KEYS;
 SELECT * FROM t1 WHERE MATCH(a) AGAINST('test');
 DROP TABLE t1;
 
+#
+# BUG#11392 - fulltext search bug
+#
+CREATE TABLE t1(a TEXT);
+INSERT INTO t1 VALUES(' aaaaa aaaa');
+SELECT * FROM t1 WHERE MATCH(a) AGAINST ('"aaaa"' IN BOOLEAN MODE);
+DROP TABLE t1;
+
 # End of 4.1 tests
diff --git a/mysql-test/t/myisam.test b/mysql-test/t/myisam.test
index d5f403616c8..ad223dc2664 100644
--- a/mysql-test/t/myisam.test
+++ b/mysql-test/t/myisam.test
@@ -1161,4 +1161,30 @@ ALTER TABLE t1 ENABLE KEYS;
 SELECT a FROM t1 FORCE INDEX (inx) WHERE a=1;
 DROP TABLE t1;
 
+#
+# Bug#4692 - DISABLE/ENABLE KEYS waste a space
+#
+CREATE TABLE t1 (c1 INT, c2 INT, UNIQUE INDEX (c1), INDEX (c2)) ENGINE=MYISAM;
+--replace_column 6 # 7 # 8 # 10 # 11 # 12 # 13 # 14 # 15 # 16 #
+SHOW TABLE STATUS LIKE 't1';
+INSERT INTO t1 VALUES (1,1);
+--replace_column 6 # 7 # 8 # 10 # 11 # 12 # 13 # 14 # 15 # 16 #
+SHOW TABLE STATUS LIKE 't1';
+ALTER TABLE t1 DISABLE KEYS;
+--replace_column 6 # 7 # 8 # 10 # 11 # 12 # 13 # 14 # 15 # 16 #
+SHOW TABLE STATUS LIKE 't1';
+ALTER TABLE t1 ENABLE KEYS;
+--replace_column 6 # 7 # 8 # 10 # 11 # 12 # 13 # 14 # 15 # 16 #
+SHOW TABLE STATUS LIKE 't1';
+ALTER TABLE t1 DISABLE KEYS;
+--replace_column 6 # 7 # 8 # 10 # 11 # 12 # 13 # 14 # 15 # 16 #
+SHOW TABLE STATUS LIKE 't1';
+ALTER TABLE t1 ENABLE KEYS;
+--replace_column 6 # 7 # 8 # 10 # 11 # 12 # 13 # 14 # 15 # 16 #
+SHOW TABLE STATUS LIKE 't1';
+#--exec ls -log var/master-data/test/t1.MYI
+#--exec myisamchk -dvv var/master-data/test/t1.MYI
+#--exec myisamchk -iev var/master-data/test/t1.MYI
+DROP TABLE t1;
+
 --echo End of 5.0 tests
diff --git a/mysql-test/t/ndb_condition_pushdown.test b/mysql-test/t/ndb_condition_pushdown.test
index 748c26e2a9a..b5b7e41fb21 100644
--- a/mysql-test/t/ndb_condition_pushdown.test
+++ b/mysql-test/t/ndb_condition_pushdown.test
@@ -1718,5 +1718,1030 @@ SELECT fname, lname FROM t1 WHERE (fname like 'Y%') or (lname like 'F%');
 set engine_condition_pushdown = 1;
 SELECT fname, lname FROM t1 WHERE (fname like 'Y%') or (lname like 'F%');
 
+# bug#29390 (scan filter is too large, discarded)
+
+drop table t1;
+
+create table t1 (a int, b int, c int, d int, primary key using hash(a))
+    engine=ndbcluster;
+
+insert into t1 values (10,1,100,0+0x1111);
+insert into t1 values (20,2,200,0+0x2222);
+insert into t1 values (30,3,300,0+0x3333);
+insert into t1 values (40,4,400,0+0x4444);
+insert into t1 values (50,5,500,0+0x5555);
+
+set engine_condition_pushdown = on;
+
+select a,b,d from t1
+    where b in (0,1,2,5)
+    order by b;
+
+--disable_query_log
+select a,b,d from t1
+    where b in (
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
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+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,
+0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2,5,0,1,2)
+    order by b;
+--enable_query_log
+
 set engine_condition_pushdown = @old_ecpd;
 DROP TABLE t1,t2,t3,t4,t5;
diff --git a/mysql-test/t/ndb_update.test b/mysql-test/t/ndb_update.test
index ebcc6995d74..0f8793300e0 100644
--- a/mysql-test/t/ndb_update.test
+++ b/mysql-test/t/ndb_update.test
@@ -33,6 +33,11 @@ UPDATE IGNORE t1 set pk1 = 1, c = 2 where pk1 = 4;
 select * from t1 order by pk1;
 UPDATE t1 set pk1 = pk1 + 10;
 select * from t1 order by pk1;
+# bug#25817
+create unique index ib on t1(b);
+update t1 set c = 4 where pk1 = 12;
+update ignore t1 set b = 55 where pk1 = 14;
+select * from t1 order by pk1;
 
 --disable_warnings
 DROP TABLE IF EXISTS t1;
diff --git a/mysql-test/t/select.test b/mysql-test/t/select.test
index fee426a8646..56396f8a93f 100644
--- a/mysql-test/t/select.test
+++ b/mysql-test/t/select.test
@@ -3504,9 +3504,6 @@ CREATE VIEW v1 AS SELECT 1 AS `  `;
 --error 1166
 CREATE VIEW v1 AS SELECT (SELECT 1 AS `  `);
 
-CREATE VIEW v1 AS SELECT 1 AS ` x`;
-SELECT `x` FROM v1;
-
 --error 1166
 ALTER VIEW v1 AS SELECT 1 AS ` `;
 
@@ -3613,5 +3610,52 @@ SELECT c32 FROM t1, t2, t3 WHERE t1.c11 IN (1, 3, 5) AND
                            ORDER BY c32 DESC; 
 
 DROP TABLE t1, t2, t3;
+###########################################################################
+
+--echo
+--echo #
+--echo # Bug#30736: Row Size Too Large Error Creating a Table and
+--echo # Inserting Data.
+--echo #
+
+--disable_warnings
+DROP TABLE IF EXISTS t1;
+DROP TABLE IF EXISTS t2;
+--enable_warnings
+
+--echo
+
+CREATE TABLE t1(
+  c1 DECIMAL(10, 2),
+  c2 FLOAT);
+
+--echo
+
+INSERT INTO t1 VALUES (0, 1), (2, 3), (4, 5);
+
+--echo
+
+CREATE TABLE t2(
+  c3 DECIMAL(10, 2))
+  SELECT
+    c1 * c2 AS c3
+  FROM t1;
+
+--echo
+
+SELECT * FROM t1;
+
+--echo
+
+SELECT * FROM t2;
+
+--echo
+
+DROP TABLE t1;
+DROP TABLE t2;
+
+--echo
+
+###########################################################################
 
 --echo End of 5.0 tests
diff --git a/mysql-test/t/subselect.test b/mysql-test/t/subselect.test
index 5a1870e49c6..06a64f518fb 100644
--- a/mysql-test/t/subselect.test
+++ b/mysql-test/t/subselect.test
@@ -2970,7 +2970,7 @@ DROP TABLE t1,t2;
 CREATE TABLE t1 (a INT, b INT);
 INSERT INTO t1 VALUES (1, 2), (1,3), (1,4), (2,1), (2,2);
 
--- returns no rows, when it should
+# returns no rows, when it should
 SELECT a1.a, COUNT(*) FROM t1 a1 WHERE a1.a = 1
 AND EXISTS( SELECT a2.a FROM t1 a2 WHERE a2.a = a1.a)
 GROUP BY a1.a;
diff --git a/mysql-test/t/symlink.test b/mysql-test/t/symlink.test
index 8c67a4c1048..7eaeaa00c0a 100644
--- a/mysql-test/t/symlink.test
+++ b/mysql-test/t/symlink.test
@@ -125,6 +125,18 @@ show create table t1;
 drop table t1;
 
 #
+# BUG#32111 - Security Breach via DATA/INDEX DIRECORY and RENAME TABLE
+#
+--replace_result $MYSQLTEST_VARDIR TEST_DIR
+eval CREATE TABLE t1(a INT)
+DATA DIRECTORY='$MYSQLTEST_VARDIR/master-data/mysql'
+INDEX DIRECTORY='$MYSQLTEST_VARDIR/master-data/mysql';
+--replace_result $MYSQLTEST_VARDIR TEST_DIR
+--error 1
+RENAME TABLE t1 TO user;
+DROP TABLE t1;
+
+#
 # Test specifying DATA DIRECTORY that is the same as what would normally
 # have been chosen. (Bug #8707)
 #
diff --git a/mysql-test/t/variables.test b/mysql-test/t/variables.test
index a352665379e..a8f0a3425df 100644
--- a/mysql-test/t/variables.test
+++ b/mysql-test/t/variables.test
@@ -139,7 +139,7 @@ show global variables like 'net_%';
 show session variables like 'net_%';
 set net_buffer_length=1;
 show variables like 'net_buffer_length';
---warning 1292
+#warning 1292
 set net_buffer_length=2000000000;
 show variables like 'net_buffer_length';
 
diff --git a/mysys/charset.c b/mysys/charset.c
index 4c3f2d0ab71..d1cca150308 100644
--- a/mysys/charset.c
+++ b/mysys/charset.c
@@ -810,3 +810,43 @@ ulong escape_quotes_for_mysql(CHARSET_INFO *charset_info,
   *to= 0;
   return overflow ? (ulong)~0 : (ulong) (to - to_start);
 }
+
+
+/**
+  @brief Find compatible character set with ctype.
+
+  @param[in] original_cs Original character set
+
+  @note
+    128 my_charset_ucs2_general_uca      ->192 my_charset_utf8_general_uca_ci
+    129 my_charset_ucs2_icelandic_uca_ci ->193 my_charset_utf8_icelandic_uca_ci
+    130 my_charset_ucs2_latvian_uca_ci   ->194 my_charset_utf8_latvian_uca_ci
+    131 my_charset_ucs2_romanian_uca_ci  ->195 my_charset_utf8_romanian_uca_ci
+    132 my_charset_ucs2_slovenian_uca_ci ->196 my_charset_utf8_slovenian_uca_ci
+    133 my_charset_ucs2_polish_uca_ci    ->197 my_charset_utf8_polish_uca_ci
+    134 my_charset_ucs2_estonian_uca_ci  ->198 my_charset_utf8_estonian_uca_ci
+    135 my_charset_ucs2_spanish_uca_ci   ->199 my_charset_utf8_spanish_uca_ci
+    136 my_charset_ucs2_swedish_uca_ci   ->200 my_charset_utf8_swedish_uca_ci
+    137 my_charset_ucs2_turkish_uca_ci   ->201 my_charset_utf8_turkish_uca_ci
+    138 my_charset_ucs2_czech_uca_ci     ->202 my_charset_utf8_czech_uca_ci
+    139 my_charset_ucs2_danish_uca_ci    ->203 my_charset_utf8_danish_uca_ci
+    140 my_charset_ucs2_lithuanian_uca_ci->204 my_charset_utf8_lithuanian_uca_ci
+    141 my_charset_ucs2_slovak_uca_ci    ->205 my_charset_utf8_slovak_uca_ci
+    142 my_charset_ucs2_spanish2_uca_ci  ->206 my_charset_utf8_spanish2_uca_ci
+    143 my_charset_ucs2_roman_uca_ci     ->207 my_charset_utf8_roman_uca_ci
+    144 my_charset_ucs2_persian_uca_ci   ->208 my_charset_utf8_persian_uca_ci
+
+  @return Compatible character set or NULL.
+*/
+
+CHARSET_INFO *get_compatible_charset_with_ctype(CHARSET_INFO *original_cs)
+{
+  CHARSET_INFO *compatible_cs= 0;
+  DBUG_ENTER("get_compatible_charset_with_ctype");
+  if (!strcmp(original_cs->csname, "ucs2") &&
+      (compatible_cs= get_charset(original_cs->number + 64, MYF(0))) &&
+      (!compatible_cs->ctype ||
+       strcmp(original_cs->name + 4, compatible_cs->name + 4)))
+    compatible_cs= 0;
+  DBUG_RETURN(compatible_cs);
+}
diff --git a/mysys/my_symlink2.c b/mysys/my_symlink2.c
index e2493874097..ee0a45cf93b 100644
--- a/mysys/my_symlink2.c
+++ b/mysys/my_symlink2.c
@@ -126,6 +126,7 @@ int my_rename_with_symlink(const char *from, const char *to, myf MyFlags)
   int was_symlink= (!my_disable_symlinks &&
 		    !my_readlink(link_name, from, MYF(0)));
   int result=0;
+  int name_is_different;
   DBUG_ENTER("my_rename_with_symlink");
 
   if (!was_symlink)
@@ -134,6 +135,14 @@ int my_rename_with_symlink(const char *from, const char *to, myf MyFlags)
   /* Change filename that symlink pointed to */
   strmov(tmp_name, to);
   fn_same(tmp_name,link_name,1);		/* Copy dir */
+  name_is_different= strcmp(link_name, tmp_name);
+  if (name_is_different && !access(tmp_name, F_OK))
+  {
+    my_errno= EEXIST;
+    if (MyFlags & MY_WME)
+      my_error(EE_CANTCREATEFILE, MYF(0), tmp_name, EEXIST);
+    DBUG_RETURN(1);
+  }
 
   /* Create new symlink */
   if (my_symlink(tmp_name, to, MyFlags))
@@ -145,7 +154,7 @@ int my_rename_with_symlink(const char *from, const char *to, myf MyFlags)
     the same basename and different directories.
    */
 
-  if (strcmp(link_name, tmp_name) && my_rename(link_name, tmp_name, MyFlags))
+  if (name_is_different && my_rename(link_name, tmp_name, MyFlags))
   {
     int save_errno=my_errno;
     my_delete(to, MyFlags);			/* Remove created symlink */
diff --git a/ndb/include/kernel/AttributeHeader.hpp b/ndb/include/kernel/AttributeHeader.hpp
index 448952a0780..1d07d8fef2d 100644
--- a/ndb/include/kernel/AttributeHeader.hpp
+++ b/ndb/include/kernel/AttributeHeader.hpp
@@ -41,8 +41,7 @@ public:
   STATIC_CONST( FRAGMENT_MEMORY= 0xFFF9 );
 
   /** Initialize AttributeHeader at location aHeaderPtr */
-  static AttributeHeader& init(void* aHeaderPtr, Uint32 anAttributeId, 
-			       Uint32 aDataSize);
+  static void init(Uint32* aHeaderPtr, Uint32 anAttributeId, Uint32 aDataSize);
 
   /** Returns size of AttributeHeader (usually one or two words) */
   Uint32 getHeaderSize() const; // In 32-bit words
@@ -100,10 +99,11 @@ public:
  */
 
 inline
-AttributeHeader& AttributeHeader::init(void* aHeaderPtr, Uint32 anAttributeId, 
-				       Uint32 aDataSize)
+void AttributeHeader::init(Uint32* aHeaderPtr, Uint32 anAttributeId, 
+                           Uint32 aDataSize)
 {
-  return * new (aHeaderPtr) AttributeHeader(anAttributeId, aDataSize);
+  AttributeHeader ah(anAttributeId, aDataSize);
+  *aHeaderPtr = ah.m_value;
 }
 
 inline
diff --git a/ndb/include/kernel/signaldata/ScanTab.hpp b/ndb/include/kernel/signaldata/ScanTab.hpp
index 15a022e2cba..38ec4cccf7b 100644
--- a/ndb/include/kernel/signaldata/ScanTab.hpp
+++ b/ndb/include/kernel/signaldata/ScanTab.hpp
@@ -46,6 +46,7 @@ public:
    * Length of signal
    */
   STATIC_CONST( StaticLength = 11 );
+  STATIC_CONST( MaxTotalAttrInfo = 0xFFFF );
 
 private:
 
diff --git a/ndb/include/ndbapi/Ndb.hpp b/ndb/include/ndbapi/Ndb.hpp
index dbbf11612ed..5f0da6ea83d 100644
--- a/ndb/include/ndbapi/Ndb.hpp
+++ b/ndb/include/ndbapi/Ndb.hpp
@@ -1052,6 +1052,7 @@ class Ndb
   friend class NdbDictInterface;
   friend class NdbBlob;
   friend class NdbImpl;
+  friend class NdbScanFilterImpl;
 #endif
 
 public:
diff --git a/ndb/include/ndbapi/NdbScanFilter.hpp b/ndb/include/ndbapi/NdbScanFilter.hpp
index 1ef62558560..02fcb6215ba 100644
--- a/ndb/include/ndbapi/NdbScanFilter.hpp
+++ b/ndb/include/ndbapi/NdbScanFilter.hpp
@@ -17,6 +17,7 @@
 #define NDB_SCAN_FILTER_HPP
 
 #include <ndb_types.h>
+#include <ndbapi_limits.h>
 
 /**
  * @class NdbScanFilter
@@ -31,8 +32,13 @@ public:
   /**
    * Constructor
    * @param op  The NdbOperation that the filter belongs to (is applied to).
+   * @param abort_on_too_large  abort transaction on filter too large
+   *                            default: true
+   * @param max_size  Maximum size of generated filter in words
    */
-  NdbScanFilter(class NdbOperation * op);
+  NdbScanFilter(class NdbOperation * op,
+                bool abort_on_too_large = true,
+                Uint32 max_size = NDB_MAX_SCANFILTER_SIZE_IN_WORDS);
   ~NdbScanFilter();
   
   /**
@@ -166,6 +172,25 @@ public:
   /** @} *********************************************************************/
 #endif
 
+  enum Error {
+    FilterTooLarge = 4294
+  };
+
+  /**
+   * Get filter level error.
+   *
+   * Most errors are set only on operation level, and they abort the
+   * transaction.  The error FilterTooLarge is set on filter level and
+   * by default it propagates to operation level and also aborts the
+   * transaction.
+   *
+   * If option abort_on_too_large is set to false, then FilterTooLarge
+   * does not propagate.  One can then either ignore this error (in
+   * which case no filtering is done) or try to define a new filter
+   * immediately.
+   */
+  const class NdbError & getNdbError() const;
+
 private:
 #ifndef DOXYGEN_SHOULD_SKIP_INTERNAL
   friend class NdbScanFilterImpl;
diff --git a/ndb/include/ndbapi/ndbapi_limits.h b/ndb/include/ndbapi/ndbapi_limits.h
index 63399e4bd0a..e283913d059 100644
--- a/ndb/include/ndbapi/ndbapi_limits.h
+++ b/ndb/include/ndbapi/ndbapi_limits.h
@@ -26,4 +26,6 @@
 #define NDB_MAX_TUPLE_SIZE (NDB_MAX_TUPLE_SIZE_IN_WORDS*4)
 #define NDB_MAX_ACTIVE_EVENTS 100
 
+#define NDB_MAX_SCANFILTER_SIZE_IN_WORDS 50000
+
 #endif
diff --git a/ndb/include/util/ndb_rand.h b/ndb/include/util/ndb_rand.h
new file mode 100644
index 00000000000..1521ca9c4ff
--- /dev/null
+++ b/ndb/include/util/ndb_rand.h
@@ -0,0 +1,33 @@
+/* Copyright (C) 2003 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; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#ifndef NDB_RAND_H
+#define NDB_RAND_H
+
+#define NDB_RAND_MAX 32767
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int ndb_rand(void);
+
+void ndb_srand(unsigned seed);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/ndb/src/common/util/Makefile.am b/ndb/src/common/util/Makefile.am
index 4cc2e49f9ec..dc83a70990f 100644
--- a/ndb/src/common/util/Makefile.am
+++ b/ndb/src/common/util/Makefile.am
@@ -24,7 +24,8 @@ libgeneral_la_SOURCES = \
             uucode.c random.c version.c \
             strdup.c \
             ConfigValues.cpp ndb_init.c basestring_vsnprintf.c \
-            Bitmask.cpp
+            Bitmask.cpp \
+	    ndb_rand.c
 
 EXTRA_PROGRAMS = testBitmask
 testBitmask_SOURCES =  testBitmask.cpp
diff --git a/ndb/src/common/util/ndb_rand.c b/ndb/src/common/util/ndb_rand.c
new file mode 100644
index 00000000000..4fcc483cd49
--- /dev/null
+++ b/ndb/src/common/util/ndb_rand.c
@@ -0,0 +1,40 @@
+/* Copyright (C) 2003 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; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#include <ndb_rand.h>
+
+static unsigned long next= 1;
+
+/**
+ * ndb_rand
+ *
+ * constant time, cheap, pseudo-random number generator.
+ *
+ * NDB_RAND_MAX assumed to be 32767
+ *
+ * This is the POSIX example for "generating the same sequence on
+ * different machines". Although that is not one of our requirements.
+ */
+int ndb_rand(void)
+{
+  next= next * 1103515245 + 12345;
+  return((unsigned)(next/65536) % 32768);
+}
+
+void ndb_srand(unsigned seed)
+{
+  next= seed;
+}
+
diff --git a/ndb/src/kernel/blocks/dbtc/DbtcMain.cpp b/ndb/src/kernel/blocks/dbtc/DbtcMain.cpp
index 60024e82978..91adae183f4 100644
--- a/ndb/src/kernel/blocks/dbtc/DbtcMain.cpp
+++ b/ndb/src/kernel/blocks/dbtc/DbtcMain.cpp
@@ -20,6 +20,7 @@
 #include <RefConvert.hpp>
 #include <ndb_limits.h>
 #include <my_sys.h>
+#include <ndb_rand.h>
 
 #include <signaldata/EventReport.hpp>
 #include <signaldata/TcKeyReq.hpp>
@@ -6278,7 +6279,7 @@ void Dbtc::timeOutLoopStartLab(Signal* signal, Uint32 api_con_ptr)
     jam();
     if (api_timer != 0) {
       Uint32 error= ZTIME_OUT_ERROR;
-      time_out_value= time_out_param + (api_con_ptr & mask_value);
+      time_out_value= time_out_param + (ndb_rand() & mask_value);
       if (unlikely(old_mask_value)) // abort during single user mode
       {
         apiConnectptr.i = api_con_ptr;
diff --git a/ndb/src/kernel/blocks/dbtup/DbtupExecQuery.cpp b/ndb/src/kernel/blocks/dbtup/DbtupExecQuery.cpp
index 28f3b987e7b..298fb183bc3 100644
--- a/ndb/src/kernel/blocks/dbtup/DbtupExecQuery.cpp
+++ b/ndb/src/kernel/blocks/dbtup/DbtupExecQuery.cpp
@@ -1138,7 +1138,8 @@ Dbtup::updateStartLab(Signal* signal,
                                 regOperPtr->attrinbufLen);
   } else {
     jam();
-    if (interpreterStartLab(signal, pagePtr, regOperPtr->pageOffset) == -1)
+    retValue = interpreterStartLab(signal, pagePtr, regOperPtr->pageOffset);
+    if (retValue == -1)
     {
       jam();
       return -1;
@@ -1577,8 +1578,8 @@ int Dbtup::interpreterNextLab(Signal* signal,
 	  Uint32 TdataForUpdate[3];
 	  Uint32 Tlen;
 
-	  AttributeHeader& ah = AttributeHeader::init(&TdataForUpdate[0], 
-						      TattrId, TattrNoOfWords);
+	  AttributeHeader ah(TattrId, TattrNoOfWords);
+          TdataForUpdate[0] = ah.m_value;
 	  TdataForUpdate[1] = TregMemBuffer[theRegister + 2];
 	  TdataForUpdate[2] = TregMemBuffer[theRegister + 3];
 	  Tlen = TattrNoOfWords + 1;
@@ -1594,6 +1595,7 @@ int Dbtup::interpreterNextLab(Signal* signal,
 		// Write a NULL value into the attribute
 		/* --------------------------------------------------------- */
 		ah.setNULL();
+                TdataForUpdate[0] = ah.m_value;
 		Tlen = 1;
 	      }//if
 	      int TnoDataRW= updateAttributes(pagePtr,
diff --git a/ndb/src/kernel/blocks/dbtup/DbtupRoutines.cpp b/ndb/src/kernel/blocks/dbtup/DbtupRoutines.cpp
index ae3bb0dcd7c..d8036dc0dee 100644
--- a/ndb/src/kernel/blocks/dbtup/DbtupRoutines.cpp
+++ b/ndb/src/kernel/blocks/dbtup/DbtupRoutines.cpp
@@ -676,8 +676,6 @@ bool
 Dbtup::checkUpdateOfPrimaryKey(Uint32* updateBuffer, Tablerec* const regTabPtr)
 {
   Uint32 keyReadBuffer[MAX_KEY_SIZE_IN_WORDS];
-  Uint32 attributeHeader;
-  AttributeHeader* ahOut = (AttributeHeader*)&attributeHeader;
   AttributeHeader ahIn(*updateBuffer);
   Uint32 attributeId = ahIn.getAttributeId();
   Uint32 attrDescriptorIndex = regTabPtr->tabDescriptor + (attributeId << ZAD_LOG_SIZE);
@@ -700,16 +698,17 @@ Dbtup::checkUpdateOfPrimaryKey(Uint32* updateBuffer, Tablerec* const regTabPtr)
 
   ReadFunction f = regTabPtr->readFunctionArray[attributeId];
 
-  AttributeHeader::init(&attributeHeader, attributeId, 0);
+  AttributeHeader attributeHeader(attributeId, 0);
   tOutBufIndex = 0;
   tMaxRead = MAX_KEY_SIZE_IN_WORDS;
 
   bool tmp = tXfrmFlag;
   tXfrmFlag = true;
-  ndbrequire((this->*f)(&keyReadBuffer[0], ahOut, attrDescriptor, attributeOffset));
+  ndbrequire((this->*f)(&keyReadBuffer[0], &attributeHeader, attrDescriptor,
+                        attributeOffset));
   tXfrmFlag = tmp;
-  ndbrequire(tOutBufIndex == ahOut->getDataSize());
-  if (ahIn.getDataSize() != ahOut->getDataSize()) {
+  ndbrequire(tOutBufIndex == attributeHeader.getDataSize());
+  if (ahIn.getDataSize() != attributeHeader.getDataSize()) {
     ljam();
     return true;
   }//if
diff --git a/ndb/src/kernel/blocks/dbutil/DbUtil.cpp b/ndb/src/kernel/blocks/dbutil/DbUtil.cpp
index 55d36124476..3bc95d1eba8 100644
--- a/ndb/src/kernel/blocks/dbutil/DbUtil.cpp
+++ b/ndb/src/kernel/blocks/dbutil/DbUtil.cpp
@@ -1168,9 +1168,7 @@ DbUtil::prepareOperation(Signal* signal, PreparePtr prepPtr)
     /**************************************************************
      * Attribute found - store in mapping  (AttributeId, Position)
      **************************************************************/
-    AttributeHeader & attrMap = 
-      AttributeHeader::init(attrMappingIt.data, 
-			    attrDesc.AttributeId,    // 1. Store AttrId
+    AttributeHeader attrMap(attrDesc.AttributeId,    // 1. Store AttrId
 			    0);
     
     if (attrDesc.AttributeKeyFlag) {
@@ -1199,6 +1197,7 @@ DbUtil::prepareOperation(Signal* signal, PreparePtr prepPtr)
 	return;
       }
     }
+    *(attrMappingIt.data) = attrMap.m_value;
 #if 0
     ndbout << "BEFORE: attrLength: " << attrLength << endl;
 #endif
diff --git a/ndb/src/mgmsrv/MgmtSrvr.cpp b/ndb/src/mgmsrv/MgmtSrvr.cpp
index 409694fead1..d68f42cbbb4 100644
--- a/ndb/src/mgmsrv/MgmtSrvr.cpp
+++ b/ndb/src/mgmsrv/MgmtSrvr.cpp
@@ -227,10 +227,10 @@ MgmtSrvr::startEventLog()
   }
 }
 
-void 
-MgmtSrvr::stopEventLog() 
+void
+MgmtSrvr::stopEventLog()
 {
-  // Nothing yet
+  g_eventLogger.close();
 }
 
 class ErrorItem 
diff --git a/ndb/src/ndbapi/NdbOperationDefine.cpp b/ndb/src/ndbapi/NdbOperationDefine.cpp
index 95e90609f9b..aaaf64b2986 100644
--- a/ndb/src/ndbapi/NdbOperationDefine.cpp
+++ b/ndb/src/ndbapi/NdbOperationDefine.cpp
@@ -392,9 +392,8 @@ NdbOperation::getValue_impl(const NdbColumnImpl* tAttrInfo, char* aValue)
 	return NULL;
       }//if
     }//if
-    Uint32 ah;
-    AttributeHeader::init(&ah, tAttrInfo->m_attrId, 0);
-    if (insertATTRINFO(ah) != -1) {	
+    AttributeHeader ah(tAttrInfo->m_attrId, 0);
+    if (insertATTRINFO(ah.m_value) != -1) {	
       // Insert Attribute Id into ATTRINFO part. 
       
       /************************************************************************
@@ -525,12 +524,11 @@ NdbOperation::setValue( const NdbColumnImpl* tAttrInfo,
   
   tAttrId = tAttrInfo->m_attrId;
   const char *aValue = aValuePassed; 
-  Uint32 ahValue;
   if (aValue == NULL) {
     if (tAttrInfo->m_nullable) {
-      AttributeHeader& ah = AttributeHeader::init(&ahValue, tAttrId, 0);
+      AttributeHeader ah(tAttrId, 0);
       ah.setNULL();
-      insertATTRINFO(ahValue);
+      insertATTRINFO(ah.m_value);
       // Insert Attribute Id with the value
       // NULL into ATTRINFO part. 
       DBUG_RETURN(0);
@@ -563,8 +561,8 @@ NdbOperation::setValue( const NdbColumnImpl* tAttrInfo,
   }//if
   const Uint32 totalSizeInWords = (sizeInBytes + 3)/4; // Including bits in last word
   const Uint32 sizeInWords = sizeInBytes / 4;          // Excluding bits in last word
-  (void) AttributeHeader::init(&ahValue, tAttrId, totalSizeInWords);
-  insertATTRINFO( ahValue );
+  AttributeHeader ah(tAttrId, totalSizeInWords);
+  insertATTRINFO( ah.m_value );
 
   /***********************************************************************
    * Check if the pointer of the value passed is aligned on a 4 byte boundary.
diff --git a/ndb/src/ndbapi/NdbScanFilter.cpp b/ndb/src/ndbapi/NdbScanFilter.cpp
index fb47772fdea..58e9f180119 100644
--- a/ndb/src/ndbapi/NdbScanFilter.cpp
+++ b/ndb/src/ndbapi/NdbScanFilter.cpp
@@ -14,11 +14,15 @@
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
 #include <NdbScanFilter.hpp>
+#include <Ndb.hpp>
 #include <NdbOperation.hpp>
 #include "NdbDictionaryImpl.hpp"
 #include <Vector.hpp>
 #include <NdbOut.hpp>
 #include <Interpreter.hpp>
+#include <signaldata/AttrInfo.hpp>
+#include "NdbApiSignal.hpp"
+#include "NdbUtil.hpp"
 
 #ifdef VM_TRACE
 #include <NdbEnv.h>
@@ -52,14 +56,37 @@ public:
   
   int cond_col_const(Interpreter::BinaryCondition, Uint32 attrId, 
 		     const void * value, Uint32 len);
+
+  bool m_abort_on_too_large;
+
+  NdbOperation::OperationStatus m_initial_op_status;
+  Uint32 m_initial_AI_size;
+  Uint32 m_max_size;
+
+  Uint32 get_size() {
+    assert(m_operation->theTotalCurrAI_Len >= m_initial_AI_size);
+    return m_operation->theTotalCurrAI_Len - m_initial_AI_size;
+  }
+  bool check_size() {
+    if (get_size() <= m_max_size)
+      return true;
+    handle_filter_too_large();
+    return false;
+  }
+  void handle_filter_too_large();
+
+  NdbError m_error;
 };
 
 const Uint32 LabelExit = ~0;
 
 
-NdbScanFilter::NdbScanFilter(class NdbOperation * op)
+NdbScanFilter::NdbScanFilter(class NdbOperation * op,
+                             bool abort_on_too_large,
+                             Uint32 max_size)
   : m_impl(* new NdbScanFilterImpl())
 {
+  DBUG_ENTER("NdbScanFilter::NdbScanFilter");
   m_impl.m_current.m_group = (NdbScanFilter::Group)0;
   m_impl.m_current.m_popCount = 0;
   m_impl.m_current.m_ownLabel = 0;
@@ -69,6 +96,21 @@ NdbScanFilter::NdbScanFilter(class NdbOperation * op)
   m_impl.m_latestAttrib = ~0;
   m_impl.m_operation = op;
   m_impl.m_negative = 0;
+
+  DBUG_PRINT("info", ("op status: %d tot AI: %u in curr: %u",
+                      op->theStatus,
+                      op->theTotalCurrAI_Len, op->theAI_LenInCurrAI));
+
+  m_impl.m_abort_on_too_large = abort_on_too_large;
+
+  m_impl.m_initial_op_status = op->theStatus;
+  m_impl.m_initial_AI_size = op->theTotalCurrAI_Len;
+  if (max_size > NDB_MAX_SCANFILTER_SIZE_IN_WORDS)
+    max_size = NDB_MAX_SCANFILTER_SIZE_IN_WORDS;
+  m_impl.m_max_size = max_size;
+
+  m_impl.m_error.code = 0;
+  DBUG_VOID_RETURN;
 }
 
 NdbScanFilter::~NdbScanFilter(){
@@ -200,30 +242,38 @@ NdbScanFilter::end(){
   switch(tmp.m_group){
   case NdbScanFilter::AND:
     if(tmp.m_trueLabel == (Uint32)~0){
-      m_impl.m_operation->interpret_exit_ok();
+      if (m_impl.m_operation->interpret_exit_ok() == -1)
+        return -1;
     } else {
-      m_impl.m_operation->branch_label(tmp.m_trueLabel);
+      if (m_impl.m_operation->branch_label(tmp.m_trueLabel) == -1)
+        return -1;
     }
     break;
   case NdbScanFilter::NAND:
     if(tmp.m_trueLabel == (Uint32)~0){
-      m_impl.m_operation->interpret_exit_nok();
+      if (m_impl.m_operation->interpret_exit_nok() == -1)
+        return -1;
     } else {
-      m_impl.m_operation->branch_label(tmp.m_falseLabel);
+      if (m_impl.m_operation->branch_label(tmp.m_falseLabel) == -1)
+        return -1;
     }
     break;
   case NdbScanFilter::OR:
     if(tmp.m_falseLabel == (Uint32)~0){
-      m_impl.m_operation->interpret_exit_nok();
+      if (m_impl.m_operation->interpret_exit_nok() == -1)
+        return -1;
     } else {
-      m_impl.m_operation->branch_label(tmp.m_falseLabel);
+      if (m_impl.m_operation->branch_label(tmp.m_falseLabel) == -1)
+        return -1;
     }
     break;
   case NdbScanFilter::NOR:
     if(tmp.m_falseLabel == (Uint32)~0){
-      m_impl.m_operation->interpret_exit_ok();
+      if (m_impl.m_operation->interpret_exit_ok() == -1)
+        return -1;
     } else {
-      m_impl.m_operation->branch_label(tmp.m_trueLabel);
+      if (m_impl.m_operation->branch_label(tmp.m_trueLabel) == -1)
+        return -1;
     }
     break;
   default:
@@ -231,24 +281,29 @@ NdbScanFilter::end(){
     return -1;
   }
 
-  m_impl.m_operation->def_label(tmp.m_ownLabel);
+  if (m_impl.m_operation->def_label(tmp.m_ownLabel) == -1)
+    return -1;
 
   if(m_impl.m_stack.size() == 0){
     switch(tmp.m_group){
     case NdbScanFilter::AND:
     case NdbScanFilter::NOR:
-      m_impl.m_operation->interpret_exit_nok();
+      if (m_impl.m_operation->interpret_exit_nok() == -1)
+        return -1;
       break;
     case NdbScanFilter::OR:
     case NdbScanFilter::NAND:
-      m_impl.m_operation->interpret_exit_ok();
+      if (m_impl.m_operation->interpret_exit_ok() == -1)
+        return -1;
       break;
     default:
       m_impl.m_operation->setErrorCodeAbort(4260);
       return -1;
     }
   }
-  
+
+  if (!m_impl.check_size())
+    return -1;
   return 0;
 }
 
@@ -261,10 +316,16 @@ NdbScanFilter::istrue(){
   }
 
   if(m_impl.m_current.m_trueLabel == (Uint32)~0){
-    return m_impl.m_operation->interpret_exit_ok();
+    if (m_impl.m_operation->interpret_exit_ok() == -1)
+      return -1;
   } else {
-    return m_impl.m_operation->branch_label(m_impl.m_current.m_trueLabel);
+    if (m_impl.m_operation->branch_label(m_impl.m_current.m_trueLabel) == -1)
+      return -1;
   }
+
+  if (!m_impl.check_size())
+    return -1;
+  return 0;
 }
 
 int
@@ -276,10 +337,16 @@ NdbScanFilter::isfalse(){
   }
   
   if(m_impl.m_current.m_falseLabel == (Uint32)~0){
-    return m_impl.m_operation->interpret_exit_nok();
+    if (m_impl.m_operation->interpret_exit_nok() == -1)
+      return -1;
   } else {
-    return m_impl.m_operation->branch_label(m_impl.m_current.m_falseLabel);
+    if (m_impl.m_operation->branch_label(m_impl.m_current.m_falseLabel) == -1)
+      return -1;
   }
+
+  if (!m_impl.check_size())
+    return -1;
+  return 0;
 }
 
 
@@ -330,7 +397,11 @@ NdbScanFilterImpl::cond_col(Interpreter::UnaryCondition op, Uint32 AttrId){
   }
   
   Branch1 branch = table2[op].m_branches[m_current.m_group];
-  (m_operation->* branch)(AttrId, m_current.m_ownLabel);
+  if ((m_operation->* branch)(AttrId, m_current.m_ownLabel) == -1)
+    return -1;
+
+  if (!check_size())
+    return -1;
   return 0;
 }
 
@@ -463,8 +534,12 @@ NdbScanFilterImpl::cond_col_const(Interpreter::BinaryCondition op,
     return -1;
   }
   
-  int ret = (m_operation->* branch)(AttrId, value, len, false, m_current.m_ownLabel);
-  return ret;
+  if ((m_operation->* branch)(AttrId, value, len, false, m_current.m_ownLabel) == -1)
+    return -1;
+
+  if (!check_size())
+    return -1;
+  return 0;
 }
 
 int
@@ -490,7 +565,130 @@ NdbScanFilter::cmp(BinaryCondition cond, int ColId,
     return m_impl.cond_col_const(Interpreter::NOT_LIKE, ColId, val, len);
   }
   return -1;
-} 
+}
+
+void
+NdbScanFilterImpl::handle_filter_too_large()
+{
+  DBUG_ENTER("NdbScanFilterImpl::handle_filter_too_large");
+
+  NdbOperation* const op = m_operation;
+  m_error.code = NdbScanFilter::FilterTooLarge;
+  if (m_abort_on_too_large)
+    op->setErrorCodeAbort(m_error.code);
+
+  /*
+   * Possible interpreted parts at this point are:
+   *
+   * 1. initial read
+   * 2. interpreted program
+   *
+   * It is assumed that NdbScanFilter has created all of 2
+   * so that we don't have to save interpreter state.
+   */
+
+  const Uint32 size = get_size();
+  assert(size != 0);
+
+  // new ATTRINFO size
+  const Uint32 new_size = m_initial_AI_size;
+
+  // find last signal for new size
+  assert(op->theFirstATTRINFO != NULL);
+  NdbApiSignal* lastSignal = op->theFirstATTRINFO;
+  Uint32 n = 0;
+  while (n + AttrInfo::DataLength < new_size) {
+    lastSignal = lastSignal->next();
+    assert(lastSignal != NULL);
+    n += AttrInfo::DataLength;
+  }
+  assert(n < size);
+
+  // release remaining signals
+  NdbApiSignal* tSignal = lastSignal->next();
+  op->theNdb->releaseSignalsInList(&tSignal);
+  lastSignal->next(NULL);
+
+  // length of lastSignal
+  const Uint32 new_curr = AttrInfo::HeaderLength + new_size - n;
+  assert(new_curr <= 25);
+
+  DBUG_PRINT("info", ("op status: %d->%d tot AI: %u->%u in curr: %u->%u",
+                      op->theStatus, m_initial_op_status,
+                      op->theTotalCurrAI_Len, new_size,
+                      op->theAI_LenInCurrAI, new_curr));
+
+  // reset op state
+  op->theStatus = m_initial_op_status;
+
+  // reset interpreter state to initial
+
+  NdbBranch* tBranch = op->theFirstBranch;
+  while (tBranch != NULL) {
+    NdbBranch* tmp = tBranch;
+    tBranch = tBranch->theNext;
+    op->theNdb->releaseNdbBranch(tmp);
+  }
+  op->theFirstBranch = NULL;
+  op->theLastBranch = NULL;
+
+  NdbLabel* tLabel = op->theFirstLabel;
+  while (tLabel != NULL) {
+    NdbLabel* tmp = tLabel;
+    tLabel = tLabel->theNext;
+    op->theNdb->releaseNdbLabel(tmp);
+  }
+  op->theFirstLabel = NULL;
+  op->theLastLabel = NULL;
+
+  NdbCall* tCall = op->theFirstCall;
+  while (tCall != NULL) {
+    NdbCall* tmp = tCall;
+    tCall = tCall->theNext;
+    op->theNdb->releaseNdbCall(tmp);
+  }
+  op->theFirstCall = NULL;
+  op->theLastCall = NULL;
+
+  NdbSubroutine* tSubroutine = op->theFirstSubroutine;
+  while (tSubroutine != NULL) {
+    NdbSubroutine* tmp = tSubroutine;
+    tSubroutine = tSubroutine->theNext;
+    op->theNdb->releaseNdbSubroutine(tmp);
+  }
+  op->theFirstSubroutine = NULL;
+  op->theLastSubroutine = NULL;
+
+  op->theNoOfLabels = 0;
+  op->theNoOfSubroutines = 0;
+
+  // reset AI size
+  op->theTotalCurrAI_Len = new_size;
+  op->theAI_LenInCurrAI = new_curr;
+
+  // reset signal pointers
+  op->theCurrentATTRINFO = lastSignal;
+  op->theATTRINFOptr = &lastSignal->getDataPtrSend()[new_curr];
+
+  // interpreter sizes are set later somewhere
+
+  DBUG_VOID_RETURN;
+}
+
+static void
+update(const NdbError & _err){
+  NdbError & error = (NdbError &) _err;
+  ndberror_struct ndberror = (ndberror_struct)error;
+  ndberror_update(&ndberror);
+  error = NdbError(ndberror);
+}
+
+const NdbError &
+NdbScanFilter::getNdbError() const
+{
+  update(m_impl.m_error);
+  return m_impl.m_error;
+}
 
 
 #if 0
diff --git a/ndb/src/ndbapi/NdbScanOperation.cpp b/ndb/src/ndbapi/NdbScanOperation.cpp
index aec98a7f5d5..9176fb47297 100644
--- a/ndb/src/ndbapi/NdbScanOperation.cpp
+++ b/ndb/src/ndbapi/NdbScanOperation.cpp
@@ -849,6 +849,10 @@ NdbScanOperation::doSendScan(int aProcessorId)
   // sending it. This could not be done in openScan because 
   // we created the ATTRINFO signals after the SCAN_TABREQ signal.
   ScanTabReq * const req = CAST_PTR(ScanTabReq, tSignal->getDataPtrSend());
+  if (unlikely(theTotalCurrAI_Len > ScanTabReq::MaxTotalAttrInfo)) {
+    setErrorCode(4257);
+    return -1;
+  }
   req->attrLenKeyLen = (tupKeyLen << 16) | theTotalCurrAI_Len;
   Uint32 tmp = req->requestInfo;
   ScanTabReq::setDistributionKeyFlag(tmp, theDistrKeyIndicator_);
diff --git a/ndb/src/ndbapi/ndberror.c b/ndb/src/ndbapi/ndberror.c
index 24ccb1d07c2..56eb2c0f8bd 100644
--- a/ndb/src/ndbapi/ndberror.c
+++ b/ndb/src/ndbapi/ndberror.c
@@ -527,7 +527,8 @@ ErrorBundle ErrorCodes[] = {
   { 4270, IE, "Unknown blob error" },
   { 4335, AE, "Only one autoincrement column allowed per table. Having a table without primary key uses an autoincremented hidden key, i.e. a table without a primary key can not have an autoincremented column" },
   { 4271, AE, "Invalid index object, not retrieved via getIndex()" },
-  { 4275, AE, "The blob method is incompatible with operation type or lock mode" }
+  { 4275, AE, "The blob method is incompatible with operation type or lock mode" },
+  { 4294, AE, "Scan filter is too large, discarded" }
 };
 
 static
diff --git a/scripts/Makefile.am b/scripts/Makefile.am
index 182076b32b6..5db5fdd550f 100644
--- a/scripts/Makefile.am
+++ b/scripts/Makefile.am
@@ -149,13 +149,19 @@ SUFFIXES = .sh
 	  -e 's!@''CC''@!@CC@!'\
 	  -e 's!@''CXX''@!@CXX@!'\
 	  -e 's!@''GXX''@!@GXX@!'\
+	  -e 's!@''SAVE_CC''@!@SAVE_CC@!'\
+	  -e 's!@''SAVE_CXX''@!@SAVE_CXX@!'\
 	  -e 's!@''CC_VERSION''@!@CC_VERSION@!'\
 	  -e 's!@''CXX_VERSION''@!@CXX_VERSION@!'\
 	  -e 's!@''PERL''@!@PERL@!' \
-	  -e 's!@''ASFLAGS''@!@SAVE_ASFLAGS@!'\
-	  -e 's!@''CFLAGS''@!@SAVE_CFLAGS@!'\
-	  -e 's!@''CXXFLAGS''@!@SAVE_CXXFLAGS@!'\
-	  -e 's!@''LDFLAGS''@!@SAVE_LDFLAGS@!'\
+	  -e 's!@''SAVE_ASFLAGS''@!@SAVE_ASFLAGS@!'\
+	  -e 's!@''SAVE_CFLAGS''@!@SAVE_CFLAGS@!'\
+	  -e 's!@''SAVE_CXXFLAGS''@!@SAVE_CXXFLAGS@!'\
+	  -e 's!@''SAVE_LDFLAGS''@!@SAVE_LDFLAGS@!'\
+	  -e 's!@''ASFLAGS''@!@ASFLAGS@!'\
+	  -e 's!@''CFLAGS''@!@CFLAGS@!'\
+	  -e 's!@''CXXFLAGS''@!@CXXFLAGS@!'\
+	  -e 's!@''LDFLAGS''@!@LDFLAGS@!'\
 	  -e 's!@''CLIENT_LIBS''@!@CLIENT_LIBS@!' \
 	  -e 's!@''ZLIB_LIBS''@!@ZLIB_LIBS@!' \
 	  -e 's!@''LIBS''@!@LIBS@!' \
diff --git a/scripts/mysqlbug.sh b/scripts/mysqlbug.sh
index 69ea82e8794..64804b5de19 100644
--- a/scripts/mysqlbug.sh
+++ b/scripts/mysqlbug.sh
@@ -23,7 +23,8 @@ VERSION="@VERSION@@MYSQL_SERVER_SUFFIX@"
 COMPILATION_COMMENT="@COMPILATION_COMMENT@"
 BUGmysql="mysql@lists.mysql.com"
 # This is set by configure
-COMP_ENV_INFO="CC='@CC@'  CFLAGS='@CFLAGS@'  CXX='@CXX@'  CXXFLAGS='@CXXFLAGS@'  LDFLAGS='@LDFLAGS@'  ASFLAGS='@ASFLAGS@'"
+COMP_CALL_INFO="CC='@SAVE_CC@'  CFLAGS='@SAVE_CFLAGS@'  CXX='@SAVE_CXX@'  CXXFLAGS='@SAVE_CXXFLAGS@'  LDFLAGS='@SAVE_LDFLAGS@'  ASFLAGS='@SAVE_ASFLAGS@'"
+COMP_RUN_INFO="CC='@CC@'  CFLAGS='@CFLAGS@'  CXX='@CXX@'  CXXFLAGS='@CXXFLAGS@'  LDFLAGS='@LDFLAGS@'  ASFLAGS='@ASFLAGS@'"
 CONFIGURE_LINE="@CONF_COMMAND@"
 
 LIBC_INFO=""
@@ -261,7 +262,8 @@ ${ORGANIZATION- $ORGANIZATION_C}
 `test -n "$MACHINE"  && echo "Machine: $MACHINE"`
 `test -n "$FILE_PATHS"  && echo "Some paths: $FILE_PATHS"`
 `test -n "$GCC_INFO"  && echo "GCC: $GCC_INFO"`
-`test -n "$COMP_ENV_INFO"  && echo "Compilation info: $COMP_ENV_INFO"`
+`test -n "$COMP_CALL_INFO"  && echo "Compilation info (call): $COMP_CALL_INFO"`
+`test -n "$COMP_RUN_INFO"   && echo "Compilation info (used): $COMP_RUN_INFO"`
 `test -n "$LIBC_INFO"  && echo "LIBC: $LIBC_INFO"`
 `test -n "$CONFIGURE_LINE"  && echo "Configure command: $CONFIGURE_LINE"`
 `test -n "$PERL_INFO"  && echo "Perl: $PERL_INFO"`
diff --git a/sql/ha_ndbcluster.cc b/sql/ha_ndbcluster.cc
index 05e35bd0157..d2c580a61de 100644
--- a/sql/ha_ndbcluster.cc
+++ b/sql/ha_ndbcluster.cc
@@ -1356,6 +1356,30 @@ int ha_ndbcluster::set_primary_key_from_record(NdbOperation *op, const byte *rec
   DBUG_RETURN(0);
 }
 
+bool ha_ndbcluster::check_index_fields_in_write_set(uint keyno)
+{
+  KEY* key_info= table->key_info + keyno;
+  KEY_PART_INFO* key_part= key_info->key_part;
+  KEY_PART_INFO* end= key_part+key_info->key_parts;
+  uint i;
+  DBUG_ENTER("check_index_fields_in_write_set");
+
+  if (m_retrieve_all_fields)
+  {
+    DBUG_RETURN(true);
+  }
+  for (i= 0; key_part != end; key_part++, i++)
+  {
+    Field* field= key_part->field;
+    if (field->query_id != current_thd->query_id)
+    {
+      DBUG_RETURN(false);
+    }
+  }
+
+  DBUG_RETURN(true);
+}
+
 int ha_ndbcluster::set_index_key_from_record(NdbOperation *op, const byte *record, uint keyno)
 {
   KEY* key_info= table->key_info + keyno;
@@ -1643,7 +1667,8 @@ check_null_in_record(const KEY* key_info, const byte *record)
  * primary key or unique index values
 */
 
-int ha_ndbcluster::peek_indexed_rows(const byte *record, bool check_pk)
+int ha_ndbcluster::peek_indexed_rows(const byte *record, 
+                                     NDB_WRITE_OP write_op)
 {
   NdbTransaction *trans= m_active_trans;
   NdbOperation *op;
@@ -1656,7 +1681,7 @@ int ha_ndbcluster::peek_indexed_rows(const byte *record, bool check_pk)
     (NdbOperation::LockMode)get_ndb_lock_type(m_lock.type);
   
   first= NULL;
-  if (check_pk && table->s->primary_key != MAX_KEY)
+  if (write_op != NDB_UPDATE && table->s->primary_key != MAX_KEY)
   {
     /*
      * Fetch any row with colliding primary key
@@ -1687,9 +1712,15 @@ int ha_ndbcluster::peek_indexed_rows(const byte *record, bool check_pk)
       */
       if (check_null_in_record(key_info, record))
       {
-	DBUG_PRINT("info", ("skipping check for key with NULL"));
+        DBUG_PRINT("info", ("skipping check for key with NULL"));
         continue;
       } 
+      if (write_op != NDB_INSERT && !check_index_fields_in_write_set(i))
+      {
+        DBUG_PRINT("info", ("skipping check for key %u not in write_set", i));
+        continue;
+      }
+
       NdbIndexOperation *iop;
       NDBINDEX *unique_index = (NDBINDEX *) m_index[i].unique_index;
       key_part= key_info->key_part;
@@ -2268,7 +2299,7 @@ int ha_ndbcluster::write_row(byte *record)
       start_bulk_insert will set parameters to ensure that each
       write_row is committed individually
     */
-    int peek_res= peek_indexed_rows(record, true);
+    int peek_res= peek_indexed_rows(record, NDB_INSERT);
     
     if (!peek_res) 
     {
@@ -2302,7 +2333,7 @@ int ha_ndbcluster::write_row(byte *record)
                                      auto_value, 1) == -1)
       {
         if (--retries &&
-            ndb->getNdbError().status == NdbError::TemporaryError);
+            ndb->getNdbError().status == NdbError::TemporaryError)
         {
           my_sleep(retry_sleep);
           continue;
@@ -2456,7 +2487,8 @@ int ha_ndbcluster::update_row(const byte *old_data, byte *new_data)
   if (m_ignore_dup_key && (thd->lex->sql_command == SQLCOM_UPDATE ||
                            thd->lex->sql_command == SQLCOM_UPDATE_MULTI))
   {
-    int peek_res= peek_indexed_rows(new_data, pk_update);
+    NDB_WRITE_OP write_op= (pk_update) ? NDB_PK_UPDATE : NDB_UPDATE;
+    int peek_res= peek_indexed_rows(new_data, write_op);
     
     if (!peek_res) 
     {
@@ -4862,7 +4894,7 @@ ulonglong ha_ndbcluster::get_auto_increment()
                                    auto_value, cache_size, step, start))
     {
       if (--retries &&
-          ndb->getNdbError().status == NdbError::TemporaryError);
+          ndb->getNdbError().status == NdbError::TemporaryError)
       {
         my_sleep(retry_sleep);
         continue;
diff --git a/sql/ha_ndbcluster.h b/sql/ha_ndbcluster.h
index 81cbdcd8fea..324969ad374 100644
--- a/sql/ha_ndbcluster.h
+++ b/sql/ha_ndbcluster.h
@@ -59,6 +59,12 @@ typedef struct ndb_index_data {
   bool null_in_unique_index;
 } NDB_INDEX_DATA;
 
+typedef enum ndb_write_op {
+  NDB_INSERT = 0,
+  NDB_UPDATE = 1,
+  NDB_PK_UPDATE = 2
+} NDB_WRITE_OP;
+
 typedef struct st_ndbcluster_share {
   THR_LOCK lock;
   pthread_mutex_t mutex;
@@ -251,7 +257,7 @@ private:
                                       const NdbOperation *first,
                                       const NdbOperation *last,
                                       uint errcode);
-  int peek_indexed_rows(const byte *record, bool check_pk);
+  int peek_indexed_rows(const byte *record, NDB_WRITE_OP write_op);
   int unique_index_read(const byte *key, uint key_len, 
                         byte *buf);
   int ordered_index_scan(const key_range *start_key,
@@ -286,6 +292,7 @@ private:
   int get_ndb_blobs_value(NdbBlob *last_ndb_blob, my_ptrdiff_t ptrdiff);
   int set_primary_key(NdbOperation *op, const byte *key);
   int set_primary_key_from_record(NdbOperation *op, const byte *record);
+  bool check_index_fields_in_write_set(uint keyno);
   int set_index_key_from_record(NdbOperation *op, const byte *record,
                                 uint keyno);
   int set_bounds(NdbIndexScanOperation*, const key_range *keys[2], uint= 0);
diff --git a/sql/ha_ndbcluster_cond.cc b/sql/ha_ndbcluster_cond.cc
index ea3f8a7683a..c7b185a92f0 100644
--- a/sql/ha_ndbcluster_cond.cc
+++ b/sql/ha_ndbcluster_cond.cc
@@ -1338,9 +1338,23 @@ ha_ndbcluster_cond::generate_scan_filter(NdbScanOperation *op)
 
   if (m_cond_stack)
   {
-    NdbScanFilter filter(op);
+    NdbScanFilter filter(op, false); // don't abort on too large
     
-    DBUG_RETURN(generate_scan_filter_from_cond(filter));
+    int ret=generate_scan_filter_from_cond(filter);
+    if (ret != 0)
+    {
+      const NdbError& err=filter.getNdbError();
+      if (err.code == NdbScanFilter::FilterTooLarge)
+      {
+        // err.message has static storage
+        DBUG_PRINT("info", ("%s", err.message));
+        push_warning(current_thd, MYSQL_ERROR::WARN_LEVEL_WARN,
+                     err.code, err.message);
+        ret=0;
+      }
+    }
+    if (ret != 0)
+      DBUG_RETURN(ret);
   }
   else
   {  
@@ -1391,7 +1405,7 @@ int ha_ndbcluster_cond::generate_scan_filter_from_key(NdbScanOperation *op,
 {
   KEY_PART_INFO* key_part= key_info->key_part;
   KEY_PART_INFO* end= key_part+key_info->key_parts;
-  NdbScanFilter filter(op);
+  NdbScanFilter filter(op, true); // abort on too large
   int res;
   DBUG_ENTER("generate_scan_filter_from_key");
 
diff --git a/sql/item_func.cc b/sql/item_func.cc
index 2ee9973c785..264d9265bca 100644
--- a/sql/item_func.cc
+++ b/sql/item_func.cc
@@ -4945,13 +4945,44 @@ bool Item_func_match::fix_fields(THD *thd, Item **ref)
     my_error(ER_WRONG_ARGUMENTS,MYF(0),"MATCH");
     return TRUE;
   }
-  table=((Item_field *)item)->field->table;
+  /*
+    With prepared statements Item_func_match::fix_fields is called twice.
+    When it is called first time we have original item tree here and add
+    conversion layer for character sets that do not have ctype array a few
+    lines below. When it is called second time, we already have conversion
+    layer in item tree.
+  */
+  table= (item->type() == Item::FIELD_ITEM) ?
+         ((Item_field *)item)->field->table :
+         ((Item_field *)((Item_func_conv *)item)->key_item())->field->table;
   if (!(table->file->table_flags() & HA_CAN_FULLTEXT))
   {
     my_error(ER_TABLE_CANT_HANDLE_FT, MYF(0));
     return 1;
   }
   table->fulltext_searched=1;
+  /* A workaround for ucs2 character set */
+  if (!args[1]->collation.collation->ctype)
+  {
+    CHARSET_INFO *compatible_cs=
+      get_compatible_charset_with_ctype(args[1]->collation.collation);
+    bool rc= 1;
+    if (compatible_cs)
+    {
+      Item_string *conv_item= new Item_string("", 0, compatible_cs,
+                                              DERIVATION_EXPLICIT);
+      item= args[0];
+      args[0]= conv_item;
+      rc= agg_item_charsets(cmp_collation, func_name(), args, arg_count,
+                            MY_COLL_ALLOW_SUPERSET_CONV |
+                            MY_COLL_ALLOW_COERCIBLE_CONV |
+                            MY_COLL_DISALLOW_NONE, 1);
+      args[0]= item;
+    }
+    else
+      my_error(ER_WRONG_ARGUMENTS, MYF(0), "MATCH");
+    return rc;
+  }
   return agg_arg_collations_for_comparison(cmp_collation,
                                            args+1, arg_count-1, 0);
 }
diff --git a/sql/sql_acl.cc b/sql/sql_acl.cc
index e62d0f40abf..1850821a287 100644
--- a/sql/sql_acl.cc
+++ b/sql/sql_acl.cc
@@ -311,7 +311,7 @@ static my_bool acl_load(THD *thd, TABLE_LIST *tables)
       continue;
     }
 
-    const char *password= get_field(&mem, table->field[2]);
+    const char *password= get_field(thd->mem_root, table->field[2]);
     uint password_len= password ? strlen(password) : 0;
     set_user_salt(&user, password, password_len);
     if (user.salt_len == 0 && password_len != 0)
@@ -364,7 +364,7 @@ static my_bool acl_load(THD *thd, TABLE_LIST *tables)
       /* Starting from 4.0.2 we have more fields */
       if (table->s->fields >= 31)
       {
-        char *ssl_type=get_field(&mem, table->field[next_field++]);
+        char *ssl_type=get_field(thd->mem_root, table->field[next_field++]);
         if (!ssl_type)
           user.ssl_type=SSL_TYPE_NONE;
         else if (!strcmp(ssl_type, "ANY"))
@@ -378,11 +378,11 @@ static my_bool acl_load(THD *thd, TABLE_LIST *tables)
         user.x509_issuer=  get_field(&mem, table->field[next_field++]);
         user.x509_subject= get_field(&mem, table->field[next_field++]);
 
-        char *ptr = get_field(&mem, table->field[next_field++]);
+        char *ptr = get_field(thd->mem_root, table->field[next_field++]);
         user.user_resource.questions=ptr ? atoi(ptr) : 0;
-        ptr = get_field(&mem, table->field[next_field++]);
+        ptr = get_field(thd->mem_root, table->field[next_field++]);
         user.user_resource.updates=ptr ? atoi(ptr) : 0;
-        ptr = get_field(&mem, table->field[next_field++]);
+        ptr = get_field(thd->mem_root, table->field[next_field++]);
         user.user_resource.conn_per_hour= ptr ? atoi(ptr) : 0;
         if (user.user_resource.questions || user.user_resource.updates ||
             user.user_resource.conn_per_hour)
@@ -391,7 +391,7 @@ static my_bool acl_load(THD *thd, TABLE_LIST *tables)
         if (table->s->fields >= 36)
         {
           /* Starting from 5.0.3 we have max_user_connections field */
-          ptr= get_field(&mem, table->field[next_field++]);
+          ptr= get_field(thd->mem_root, table->field[next_field++]);
           user.user_resource.user_conn= ptr ? atoi(ptr) : 0;
         }
         else
@@ -4898,6 +4898,7 @@ static int handle_grant_table(TABLE_LIST *tables, uint table_no, bool drop,
   byte user_key[MAX_KEY_LENGTH];
   uint key_prefix_length;
   DBUG_ENTER("handle_grant_table");
+  THD *thd= current_thd;
 
   if (! table_no) // mysql.user table
   {
@@ -4965,17 +4966,18 @@ static int handle_grant_table(TABLE_LIST *tables, uint table_no, bool drop,
           DBUG_PRINT("info",("scan error: %d", error));
           continue;
         }
-        if (! (host= get_field(&mem, host_field)))
+        if (! (host= get_field(thd->mem_root, host_field)))
           host= "";
-        if (! (user= get_field(&mem, user_field)))
+        if (! (user= get_field(thd->mem_root, user_field)))
           user= "";
 
 #ifdef EXTRA_DEBUG
         DBUG_PRINT("loop",("scan fields: '%s'@'%s' '%s' '%s' '%s'",
                            user, host,
-                           get_field(&mem, table->field[1]) /*db*/,
-                           get_field(&mem, table->field[3]) /*table*/,
-                           get_field(&mem, table->field[4]) /*column*/));
+                           get_field(thd->mem_root, table->field[1]) /*db*/,
+                           get_field(thd->mem_root, table->field[3]) /*table*/,
+                           get_field(thd->mem_root,
+                                     table->field[4]) /*column*/));
 #endif
         if (strcmp(user_str, user) ||
             my_strcasecmp(system_charset_info, host_str, host))
diff --git a/sql/sql_cache.cc b/sql/sql_cache.cc
index 9a29350880e..8c868971911 100644
--- a/sql/sql_cache.cc
+++ b/sql/sql_cache.cc
@@ -1032,12 +1032,14 @@ Query_cache::send_result_to_client(THD *thd, char *sql, uint query_length)
   Query_cache_block_table *block_table, *block_table_end;
   ulong tot_length;
   Query_cache_query_flags flags;
+#ifndef __WIN__
   const uint spin_treshold= 50000;
   const double lock_time_treshold= 0.1; /* Time in seconds */
   uint spin_count= 0;
   int lock_status= 0;
   ulong new_time= 0;
   ulong stop_time= 0;
+#endif
 
   DBUG_ENTER("Query_cache::send_result_to_client");
 
@@ -1085,6 +1087,9 @@ Query_cache::send_result_to_client(THD *thd, char *sql, uint query_length)
     }
   }
 
+#ifdef __WIN__
+  STRUCT_LOCK(&structure_guard_mutex);
+#else
   stop_time= my_clock()+(ulong)lock_time_treshold*CLOCKS_PER_SEC;
   while ((lock_status= pthread_mutex_trylock(&structure_guard_mutex)) == EBUSY
          && spin_count < spin_treshold
@@ -1107,6 +1112,7 @@ Query_cache::send_result_to_client(THD *thd, char *sql, uint query_length)
     thd->lex->safe_to_cache_query= FALSE; 
     goto err;
   }
+#endif
 
   if (query_cache_size == 0 || flush_in_progress)
   {
diff --git a/sql/sql_table.cc b/sql/sql_table.cc
index 20b8c7a4278..0838b805b35 100644
--- a/sql/sql_table.cc
+++ b/sql/sql_table.cc
@@ -955,8 +955,8 @@ static int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
 	  sql_field->length=		dup_field->char_length;
           sql_field->pack_length=	dup_field->pack_length;
           sql_field->key_length=	dup_field->key_length;
-	  sql_field->create_length_to_internal_length();
 	  sql_field->decimals=		dup_field->decimals;
+	  sql_field->create_length_to_internal_length();
 	  sql_field->unireg_check=	dup_field->unireg_check;
           /* 
             We're making one field from two, the result field will have
diff --git a/tests/mysql_client_test.c b/tests/mysql_client_test.c
index 4fcdca76c6f..65e18da97f1 100644
--- a/tests/mysql_client_test.c
+++ b/tests/mysql_client_test.c
@@ -15864,6 +15864,99 @@ static void test_bug29306()
   DBUG_VOID_RETURN;
 }
 
+
+/**
+  Bug#31669 Buffer overflow in mysql_change_user()
+*/
+
+#define LARGE_BUFFER_SIZE 2048
+
+static void test_bug31669()
+{
+  int rc;
+  static char buff[LARGE_BUFFER_SIZE+1];
+#ifndef EMBEDDED_LIBRARY
+  static char user[USERNAME_LENGTH+1];
+  static char db[NAME_LEN+1];
+  static char query[LARGE_BUFFER_SIZE*2];
+#endif
+
+  DBUG_ENTER("test_bug31669");
+  myheader("test_bug31669");
+
+  rc= mysql_change_user(mysql, NULL, NULL, NULL);
+  DIE_UNLESS(rc);
+
+  rc= mysql_change_user(mysql, "", "", "");
+  DIE_UNLESS(rc);
+
+  memset(buff, 'a', sizeof(buff));
+
+  rc= mysql_change_user(mysql, buff, buff, buff);
+  DIE_UNLESS(rc);
+
+  rc = mysql_change_user(mysql, opt_user, opt_password, current_db);
+  DIE_UNLESS(!rc);
+
+#ifndef EMBEDDED_LIBRARY
+  memset(db, 'a', sizeof(db));
+  db[NAME_LEN]= 0;
+  strxmov(query, "CREATE DATABASE IF NOT EXISTS ", db, NullS);
+  rc= mysql_query(mysql, query);
+  myquery(rc);
+
+  memset(user, 'b', sizeof(user));
+  user[USERNAME_LENGTH]= 0;
+  memset(buff, 'c', sizeof(buff));
+  buff[LARGE_BUFFER_SIZE]= 0;
+  strxmov(query, "GRANT ALL PRIVILEGES ON *.* TO '", user, "'@'%' IDENTIFIED BY "
+                 "'", buff, "' WITH GRANT OPTION", NullS);
+  rc= mysql_query(mysql, query);
+  myquery(rc);
+
+  rc= mysql_query(mysql, "FLUSH PRIVILEGES");
+  myquery(rc);
+
+  rc= mysql_change_user(mysql, user, buff, db);
+  DIE_UNLESS(!rc);
+
+  user[USERNAME_LENGTH-1]= 'a';
+  rc= mysql_change_user(mysql, user, buff, db);
+  DIE_UNLESS(rc);
+
+  user[USERNAME_LENGTH-1]= 'b';
+  buff[LARGE_BUFFER_SIZE-1]= 'd';
+  rc= mysql_change_user(mysql, user, buff, db);
+  DIE_UNLESS(rc);
+
+  buff[LARGE_BUFFER_SIZE-1]= 'c';
+  db[NAME_LEN-1]= 'e';
+  rc= mysql_change_user(mysql, user, buff, db);
+  DIE_UNLESS(rc);
+
+  db[NAME_LEN-1]= 'a';
+  rc= mysql_change_user(mysql, user, buff, db);
+  DIE_UNLESS(!rc);
+
+  rc= mysql_change_user(mysql, user + 1, buff + 1, db + 1);
+  DIE_UNLESS(rc);
+
+  rc = mysql_change_user(mysql, opt_user, opt_password, current_db);
+  DIE_UNLESS(!rc);
+
+  strxmov(query, "DROP DATABASE ", db, NullS);
+  rc= mysql_query(mysql, query);
+  myquery(rc);
+
+  strxmov(query, "DELETE FROM mysql.user WHERE User='", user, "'", NullS);
+  rc= mysql_query(mysql, query);
+  myquery(rc);
+  DIE_UNLESS(mysql_affected_rows(mysql) == 1);
+#endif
+
+  DBUG_VOID_RETURN;
+}
+
 /*
   Read and parse arguments and MySQL options from my.cnf
 */
@@ -16156,6 +16249,7 @@ static struct my_tests_st my_tests[]= {
   { "test_bug27592", test_bug27592 },
   { "test_bug29948", test_bug29948 },
   { "test_bug29306", test_bug29306 },
+  { "test_bug31669", test_bug31669 },
   { 0, 0 }
 };