Merge stella.local:/home2/mydev/mysql-5.0-amain

into  stella.local:/home2/mydev/mysql-5.0-axmrg


mysql-test/r/ctype_big5.result:
  Auto merged
mysql-test/r/ctype_cp932.result:
  Auto merged
mysql-test/r/ctype_euckr.result:
  Auto merged
mysql-test/r/ctype_gb2312.result:
  Auto merged
mysql-test/r/ctype_gbk.result:
  Auto merged
mysql-test/r/ctype_uca.result:
  Auto merged
mysql-test/r/ctype_ucs.result:
  Auto merged
mysql-test/t/ctype_ucs.test:
  Auto merged
sql/slave.cc:
  Auto merged

44 files changed, 818 insertions, 99 deletions

diff --git a/cmd-line-utils/libedit/el.h b/cmd-line-utils/libedit/el.h
index c4b6cff2186..d9379d7c8aa 100644
--- a/cmd-line-utils/libedit/el.h
+++ b/cmd-line-utils/libedit/el.h
@@ -136,6 +136,8 @@ struct editline {
 
 protected int	el_editmode(EditLine *, int, const char **);
 
+#define el_isprint(x)  ((unsigned char) (x) < 0x80 ? isprint(x) : 1)
+
 #ifdef DEBUG
 #define	EL_ABORT(a)	do { \
 				fprintf(el->el_errfile, "%s, %d: ", \
diff --git a/cmd-line-utils/libedit/key.c b/cmd-line-utils/libedit/key.c
index 090a2684e92..35fcf0651b2 100644
--- a/cmd-line-utils/libedit/key.c
+++ b/cmd-line-utils/libedit/key.c
@@ -618,7 +618,7 @@ key__decode_char(char *buf, int cnt, int ch)
 	} else if (ch == '\\') {
 		buf[cnt++] = '\\';
 		buf[cnt] = '\\';
-	} else if (ch == ' ' || (isprint(ch) && !isspace(ch))) {
+	} else if (ch == ' ' || (el_isprint(ch) && !isspace(ch))) {
 		buf[cnt] = ch;
 	} else {
 		buf[cnt++] = '\\';
@@ -660,7 +660,7 @@ key__decode_str(const char *str, char *buf, const char *sep)
 		} else if (*p == '^' || *p == '\\') {
 			*b++ = '\\';
 			*b++ = *p;
-		} else if (*p == ' ' || (isprint((unsigned char) *p) &&
+		} else if (*p == ' ' || (el_isprint((unsigned char) *p) &&
 			!isspace((unsigned char) *p))) {
 			*b++ = *p;
 		} else {
diff --git a/cmd-line-utils/libedit/map.c b/cmd-line-utils/libedit/map.c
index d99c36ff665..6be9279b5e5 100644
--- a/cmd-line-utils/libedit/map.c
+++ b/cmd-line-utils/libedit/map.c
@@ -961,7 +961,7 @@ map_init_nls(EditLine *el)
 	el_action_t *map = el->el_map.key;
 
 	for (i = 0200; i <= 0377; i++)
-		if (isprint(i))
+		if (el_isprint(i))
 			map[i] = ED_INSERT;
 }
 
diff --git a/cmd-line-utils/libedit/read.c b/cmd-line-utils/libedit/read.c
index 051f3e8e42e..51848c2038e 100644
--- a/cmd-line-utils/libedit/read.c
+++ b/cmd-line-utils/libedit/read.c
@@ -508,7 +508,7 @@ el_gets(EditLine *el, int *nread)
 		    el->el_chared.c_redo.pos < el->el_chared.c_redo.lim) {
 			if (cmdnum == VI_DELETE_PREV_CHAR &&
 			    el->el_chared.c_redo.pos != el->el_chared.c_redo.buf
-			    && isprint((unsigned char)el->el_chared.c_redo.pos[-1]))
+			    && el_isprint((unsigned char)el->el_chared.c_redo.pos[-1]))
 				el->el_chared.c_redo.pos--;
 			else
 				*el->el_chared.c_redo.pos++ = ch;
diff --git a/cmd-line-utils/libedit/refresh.c b/cmd-line-utils/libedit/refresh.c
index b2833d215c5..46aca15ef08 100644
--- a/cmd-line-utils/libedit/refresh.c
+++ b/cmd-line-utils/libedit/refresh.c
@@ -88,7 +88,7 @@ private void
 re_addc(EditLine *el, int c)
 {
 
-	if (isprint(c)) {
+	if (el_isprint(c)) {
 		re_putc(el, c, 1);
 		return;
 	}
@@ -964,7 +964,7 @@ re_refresh_cursor(EditLine *el)
 					h = 1;
 					v++;
 				}
-			} else if (!isprint((unsigned char) c)) {
+			} else if (!el_isprint((unsigned char) c)) {
 				h += 3;
 				if (h > th) {	/* if overflow, compensate */
 					h = h - th;
@@ -1057,7 +1057,7 @@ re_fastaddc(EditLine *el)
 		char mc = (c == '\177') ? '?' : (c | 0100);
 		re_fastputc(el, '^');
 		re_fastputc(el, mc);
-	} else if (isprint((unsigned char) c)) {	/* normal char */
+	} else if (el_isprint((unsigned char) c)) {	/* normal char */
 		re_fastputc(el, c);
 	} else {
 		re_fastputc(el, '\\');
diff --git a/myisam/mi_open.c b/myisam/mi_open.c
index ec169ac8785..d4d8458a669 100644
--- a/myisam/mi_open.c
+++ b/myisam/mi_open.c
@@ -270,6 +270,9 @@ MI_INFO *mi_open(const char *name, int mode, uint open_flags)
     if (share->options & HA_OPTION_COMPRESS_RECORD)
       share->base.max_key_length+=2;	/* For safety */
 
+    /* Add space for node pointer */
+    share->base.max_key_length+= share->base.key_reflength;
+
     if (!my_multi_malloc(MY_WME,
 			 &share,sizeof(*share),
 			 &share->state.rec_per_key_part,sizeof(long)*key_parts,
@@ -791,8 +794,17 @@ static void setup_key_functions(register MI_KEYDEF *keyinfo)
     keyinfo->get_key= _mi_get_pack_key;
     if (keyinfo->seg[0].flag & HA_PACK_KEY)
     {						/* Prefix compression */
+      /*
+        _mi_prefix_search() compares end-space against ASCII blank (' ').
+        It cannot be used for character sets, that do not encode the
+        blank character like ASCII does. UCS2 is an example. All
+        character sets with a fixed width > 1 or a mimimum width > 1
+        cannot represent blank like ASCII does. In these cases we have
+        to use _mi_seq_search() for the search.
+      */
       if (!keyinfo->seg->charset || use_strnxfrm(keyinfo->seg->charset) ||
-          (keyinfo->seg->flag & HA_NULL_PART))
+          (keyinfo->seg->flag & HA_NULL_PART) ||
+          (keyinfo->seg->charset->mbminlen > 1))
         keyinfo->bin_search=_mi_seq_search;
       else
         keyinfo->bin_search=_mi_prefix_search;
diff --git a/mysql-test/include/ctype_common.inc b/mysql-test/include/ctype_common.inc
index 89b7ceb0c72..7d92c3c7b8f 100644
--- a/mysql-test/include/ctype_common.inc
+++ b/mysql-test/include/ctype_common.inc
@@ -13,6 +13,8 @@
 
 SET @safe_character_set_server= @@character_set_server;
 SET @safe_collation_server= @@collation_server;
+SET @safe_character_set_client= @@character_set_client;
+SET @safe_character_set_results= @@character_set_results;
 SET character_set_server= @test_character_set;
 SET collation_server= @test_collation;
 CREATE DATABASE d1;
@@ -62,8 +64,22 @@ select a sounds like a from t1;
 select 1 from t1 order by cast(a as char(1));
 drop table t1;
 
+#
+# Bug#27580 SPACE() function collation bug?
+#
+set names utf8;
+create table t1 (
+  name varchar(10),
+  level smallint unsigned);
+show create table t1;
+insert into t1 values ('string',1);
+select concat(name,space(level)), concat(name, repeat(' ',level)) from t1;
+drop table t1;
+
 DROP DATABASE d1;
 # Restore settings
 USE test;
 SET character_set_server= @safe_character_set_server;
 SET collation_server= @safe_collation_server;
+SET character_set_client= @safe_character_set_client;
+SET character_set_results= @safe_character_set_results;
diff --git a/mysql-test/r/ctype_big5.result b/mysql-test/r/ctype_big5.result
index 9de10a5452b..b88ea14b559 100644
--- a/mysql-test/r/ctype_big5.result
+++ b/mysql-test/r/ctype_big5.result
@@ -3,6 +3,8 @@ SET @test_character_set= 'big5';
 SET @test_collation= 'big5_chinese_ci';
 SET @safe_character_set_server= @@character_set_server;
 SET @safe_collation_server= @@collation_server;
+SET @safe_character_set_client= @@character_set_client;
+SET @safe_character_set_results= @@character_set_results;
 SET character_set_server= @test_character_set;
 SET collation_server= @test_collation;
 CREATE DATABASE d1;
@@ -69,10 +71,27 @@ select 1 from t1 order by cast(a as char(1));
 1
 1
 drop table t1;
+set names utf8;
+create table t1 (
+name varchar(10),
+level smallint unsigned);
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `name` varchar(10) default NULL,
+  `level` smallint(5) unsigned default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=big5
+insert into t1 values ('string',1);
+select concat(name,space(level)), concat(name, repeat(' ',level)) from t1;
+concat(name,space(level))	concat(name, repeat(' ',level))
+string 	string 
+drop table t1;
 DROP DATABASE d1;
 USE test;
 SET character_set_server= @safe_character_set_server;
 SET collation_server= @safe_collation_server;
+SET character_set_client= @safe_character_set_client;
+SET character_set_results= @safe_character_set_results;
 SET NAMES big5;
 SET collation_connection='big5_chinese_ci';
 create table t1 select repeat('a',4000) a;
diff --git a/mysql-test/r/ctype_cp1250_ch.result b/mysql-test/r/ctype_cp1250_ch.result
index 73f415732cd..2ed22802805 100644
--- a/mysql-test/r/ctype_cp1250_ch.result
+++ b/mysql-test/r/ctype_cp1250_ch.result
@@ -2,6 +2,192 @@ DROP TABLE IF EXISTS t1;
 SHOW COLLATION LIKE 'cp1250_czech_cs';
 Collation	Charset	Id	Default	Compiled	Sortlen
 cp1250_czech_cs	cp1250	34		Yes	2
+SET @test_character_set= 'cp1250';
+SET @test_collation= 'cp1250_general_ci';
+SET @safe_character_set_server= @@character_set_server;
+SET @safe_collation_server= @@collation_server;
+SET @safe_character_set_client= @@character_set_client;
+SET @safe_character_set_results= @@character_set_results;
+SET character_set_server= @test_character_set;
+SET collation_server= @test_collation;
+CREATE DATABASE d1;
+USE d1;
+CREATE TABLE t1 (c CHAR(10), KEY(c));
+SHOW FULL COLUMNS FROM t1;
+Field	Type	Collation	Null	Key	Default	Extra	Privileges	Comment
+c	char(10)	cp1250_general_ci	YES	MUL	NULL			
+INSERT INTO t1 VALUES ('aaa'),('aaaa'),('aaaaa');
+SELECT c as want3results FROM t1 WHERE c LIKE 'aaa%';
+want3results
+aaa
+aaaa
+aaaaa
+DROP TABLE t1;
+CREATE TABLE t1 (c1 varchar(15), KEY c1 (c1(2)));
+SHOW FULL COLUMNS FROM t1;
+Field	Type	Collation	Null	Key	Default	Extra	Privileges	Comment
+c1	varchar(15)	cp1250_general_ci	YES	MUL	NULL			
+INSERT INTO t1 VALUES ('location'),('loberge'),('lotre'),('boabab');
+SELECT c1 as want3results from t1 where c1 like 'l%';
+want3results
+location
+loberge
+lotre
+SELECT c1 as want3results from t1 where c1 like 'lo%';
+want3results
+location
+loberge
+lotre
+SELECT c1 as want1result  from t1 where c1 like 'loc%';
+want1result
+location
+SELECT c1 as want1result  from t1 where c1 like 'loca%';
+want1result
+location
+SELECT c1 as want1result  from t1 where c1 like 'locat%';
+want1result
+location
+SELECT c1 as want1result  from t1 where c1 like 'locati%';
+want1result
+location
+SELECT c1 as want1result  from t1 where c1 like 'locatio%';
+want1result
+location
+SELECT c1 as want1result  from t1 where c1 like 'location%';
+want1result
+location
+DROP TABLE t1;
+create table t1 (a set('a') not null);
+insert into t1 values (),();
+Warnings:
+Warning	1364	Field 'a' doesn't have a default value
+select cast(a as char(1)) from t1;
+cast(a as char(1))
+
+
+select a sounds like a from t1;
+a sounds like a
+1
+1
+select 1 from t1 order by cast(a as char(1));
+1
+1
+1
+drop table t1;
+set names utf8;
+create table t1 (
+name varchar(10),
+level smallint unsigned);
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `name` varchar(10) default NULL,
+  `level` smallint(5) unsigned default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=cp1250
+insert into t1 values ('string',1);
+select concat(name,space(level)), concat(name, repeat(' ',level)) from t1;
+concat(name,space(level))	concat(name, repeat(' ',level))
+string 	string 
+drop table t1;
+DROP DATABASE d1;
+USE test;
+SET character_set_server= @safe_character_set_server;
+SET collation_server= @safe_collation_server;
+SET character_set_client= @safe_character_set_client;
+SET character_set_results= @safe_character_set_results;
+SET @test_character_set= 'cp1250';
+SET @test_collation= 'cp1250_czech_cs';
+SET @safe_character_set_server= @@character_set_server;
+SET @safe_collation_server= @@collation_server;
+SET @safe_character_set_client= @@character_set_client;
+SET @safe_character_set_results= @@character_set_results;
+SET character_set_server= @test_character_set;
+SET collation_server= @test_collation;
+CREATE DATABASE d1;
+USE d1;
+CREATE TABLE t1 (c CHAR(10), KEY(c));
+SHOW FULL COLUMNS FROM t1;
+Field	Type	Collation	Null	Key	Default	Extra	Privileges	Comment
+c	char(10)	cp1250_czech_cs	YES	MUL	NULL			
+INSERT INTO t1 VALUES ('aaa'),('aaaa'),('aaaaa');
+SELECT c as want3results FROM t1 WHERE c LIKE 'aaa%';
+want3results
+aaa
+aaaa
+aaaaa
+DROP TABLE t1;
+CREATE TABLE t1 (c1 varchar(15), KEY c1 (c1(2)));
+SHOW FULL COLUMNS FROM t1;
+Field	Type	Collation	Null	Key	Default	Extra	Privileges	Comment
+c1	varchar(15)	cp1250_czech_cs	YES	MUL	NULL			
+INSERT INTO t1 VALUES ('location'),('loberge'),('lotre'),('boabab');
+SELECT c1 as want3results from t1 where c1 like 'l%';
+want3results
+location
+loberge
+lotre
+SELECT c1 as want3results from t1 where c1 like 'lo%';
+want3results
+location
+loberge
+lotre
+SELECT c1 as want1result  from t1 where c1 like 'loc%';
+want1result
+location
+SELECT c1 as want1result  from t1 where c1 like 'loca%';
+want1result
+location
+SELECT c1 as want1result  from t1 where c1 like 'locat%';
+want1result
+location
+SELECT c1 as want1result  from t1 where c1 like 'locati%';
+want1result
+location
+SELECT c1 as want1result  from t1 where c1 like 'locatio%';
+want1result
+location
+SELECT c1 as want1result  from t1 where c1 like 'location%';
+want1result
+location
+DROP TABLE t1;
+create table t1 (a set('a') not null);
+insert into t1 values (),();
+Warnings:
+Warning	1364	Field 'a' doesn't have a default value
+select cast(a as char(1)) from t1;
+cast(a as char(1))
+
+
+select a sounds like a from t1;
+a sounds like a
+1
+1
+select 1 from t1 order by cast(a as char(1));
+1
+1
+1
+drop table t1;
+set names utf8;
+create table t1 (
+name varchar(10),
+level smallint unsigned);
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `name` varchar(10) collate cp1250_czech_cs default NULL,
+  `level` smallint(5) unsigned default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=cp1250 COLLATE=cp1250_czech_cs
+insert into t1 values ('string',1);
+select concat(name,space(level)), concat(name, repeat(' ',level)) from t1;
+concat(name,space(level))	concat(name, repeat(' ',level))
+string 	string 
+drop table t1;
+DROP DATABASE d1;
+USE test;
+SET character_set_server= @safe_character_set_server;
+SET collation_server= @safe_collation_server;
+SET character_set_client= @safe_character_set_client;
+SET character_set_results= @safe_character_set_results;
 CREATE TABLE t1 (a char(16)) character set cp1250 collate cp1250_czech_cs;
 INSERT INTO t1 VALUES ('');
 SELECT a, length(a), a='', a=' ', a='  ' FROM t1;
diff --git a/mysql-test/r/ctype_cp932.result b/mysql-test/r/ctype_cp932.result
index 498859bb517..5bee45cd71e 100755
--- a/mysql-test/r/ctype_cp932.result
+++ b/mysql-test/r/ctype_cp932.result
@@ -6,6 +6,8 @@ SET @test_character_set= 'cp932';
 SET @test_collation= 'cp932_japanese_ci';
 SET @safe_character_set_server= @@character_set_server;
 SET @safe_collation_server= @@collation_server;
+SET @safe_character_set_client= @@character_set_client;
+SET @safe_character_set_results= @@character_set_results;
 SET character_set_server= @test_character_set;
 SET collation_server= @test_collation;
 CREATE DATABASE d1;
@@ -72,10 +74,27 @@ select 1 from t1 order by cast(a as char(1));
 1
 1
 drop table t1;
+set names utf8;
+create table t1 (
+name varchar(10),
+level smallint unsigned);
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `name` varchar(10) default NULL,
+  `level` smallint(5) unsigned default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=cp932
+insert into t1 values ('string',1);
+select concat(name,space(level)), concat(name, repeat(' ',level)) from t1;
+concat(name,space(level))	concat(name, repeat(' ',level))
+string 	string 
+drop table t1;
 DROP DATABASE d1;
 USE test;
 SET character_set_server= @safe_character_set_server;
 SET collation_server= @safe_collation_server;
+SET character_set_client= @safe_character_set_client;
+SET character_set_results= @safe_character_set_results;
 set names cp932;
 set character_set_database = cp932;
 CREATE TABLE t1(c1 CHAR(1)) DEFAULT CHARACTER SET = cp932;
diff --git a/mysql-test/r/ctype_euckr.result b/mysql-test/r/ctype_euckr.result
index c2a1b70eda9..882c8880337 100644
--- a/mysql-test/r/ctype_euckr.result
+++ b/mysql-test/r/ctype_euckr.result
@@ -3,6 +3,8 @@ SET @test_character_set= 'euckr';
 SET @test_collation= 'euckr_korean_ci';
 SET @safe_character_set_server= @@character_set_server;
 SET @safe_collation_server= @@collation_server;
+SET @safe_character_set_client= @@character_set_client;
+SET @safe_character_set_results= @@character_set_results;
 SET character_set_server= @test_character_set;
 SET collation_server= @test_collation;
 CREATE DATABASE d1;
@@ -69,10 +71,27 @@ select 1 from t1 order by cast(a as char(1));
 1
 1
 drop table t1;
+set names utf8;
+create table t1 (
+name varchar(10),
+level smallint unsigned);
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `name` varchar(10) default NULL,
+  `level` smallint(5) unsigned default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=euckr
+insert into t1 values ('string',1);
+select concat(name,space(level)), concat(name, repeat(' ',level)) from t1;
+concat(name,space(level))	concat(name, repeat(' ',level))
+string 	string 
+drop table t1;
 DROP DATABASE d1;
 USE test;
 SET character_set_server= @safe_character_set_server;
 SET collation_server= @safe_collation_server;
+SET character_set_client= @safe_character_set_client;
+SET character_set_results= @safe_character_set_results;
 SET NAMES euckr;
 SET collation_connection='euckr_korean_ci';
 create table t1 select repeat('a',4000) a;
diff --git a/mysql-test/r/ctype_gb2312.result b/mysql-test/r/ctype_gb2312.result
index 42f6d6c6e3b..85c8f71cfb5 100644
--- a/mysql-test/r/ctype_gb2312.result
+++ b/mysql-test/r/ctype_gb2312.result
@@ -3,6 +3,8 @@ SET @test_character_set= 'gb2312';
 SET @test_collation= 'gb2312_chinese_ci';
 SET @safe_character_set_server= @@character_set_server;
 SET @safe_collation_server= @@collation_server;
+SET @safe_character_set_client= @@character_set_client;
+SET @safe_character_set_results= @@character_set_results;
 SET character_set_server= @test_character_set;
 SET collation_server= @test_collation;
 CREATE DATABASE d1;
@@ -69,10 +71,27 @@ select 1 from t1 order by cast(a as char(1));
 1
 1
 drop table t1;
+set names utf8;
+create table t1 (
+name varchar(10),
+level smallint unsigned);
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `name` varchar(10) default NULL,
+  `level` smallint(5) unsigned default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=gb2312
+insert into t1 values ('string',1);
+select concat(name,space(level)), concat(name, repeat(' ',level)) from t1;
+concat(name,space(level))	concat(name, repeat(' ',level))
+string 	string 
+drop table t1;
 DROP DATABASE d1;
 USE test;
 SET character_set_server= @safe_character_set_server;
 SET collation_server= @safe_collation_server;
+SET character_set_client= @safe_character_set_client;
+SET character_set_results= @safe_character_set_results;
 SET NAMES gb2312;
 SET collation_connection='gb2312_chinese_ci';
 create table t1 select repeat('a',4000) a;
diff --git a/mysql-test/r/ctype_gbk.result b/mysql-test/r/ctype_gbk.result
index 0a326c3bf65..6066246a2ef 100644
--- a/mysql-test/r/ctype_gbk.result
+++ b/mysql-test/r/ctype_gbk.result
@@ -3,6 +3,8 @@ SET @test_character_set= 'gbk';
 SET @test_collation= 'gbk_chinese_ci';
 SET @safe_character_set_server= @@character_set_server;
 SET @safe_collation_server= @@collation_server;
+SET @safe_character_set_client= @@character_set_client;
+SET @safe_character_set_results= @@character_set_results;
 SET character_set_server= @test_character_set;
 SET collation_server= @test_collation;
 CREATE DATABASE d1;
@@ -69,10 +71,27 @@ select 1 from t1 order by cast(a as char(1));
 1
 1
 drop table t1;
+set names utf8;
+create table t1 (
+name varchar(10),
+level smallint unsigned);
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `name` varchar(10) default NULL,
+  `level` smallint(5) unsigned default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=gbk
+insert into t1 values ('string',1);
+select concat(name,space(level)), concat(name, repeat(' ',level)) from t1;
+concat(name,space(level))	concat(name, repeat(' ',level))
+string 	string 
+drop table t1;
 DROP DATABASE d1;
 USE test;
 SET character_set_server= @safe_character_set_server;
 SET collation_server= @safe_collation_server;
+SET character_set_client= @safe_character_set_client;
+SET character_set_results= @safe_character_set_results;
 SET NAMES gbk;
 SET collation_connection='gbk_chinese_ci';
 create table t1 select repeat('a',4000) a;
diff --git a/mysql-test/r/ctype_uca.result b/mysql-test/r/ctype_uca.result
index 8e67156c400..02a5b9a0861 100644
--- a/mysql-test/r/ctype_uca.result
+++ b/mysql-test/r/ctype_uca.result
@@ -2538,6 +2538,8 @@ SET @test_character_set= 'utf8';
 SET @test_collation= 'utf8_swedish_ci';
 SET @safe_character_set_server= @@character_set_server;
 SET @safe_collation_server= @@collation_server;
+SET @safe_character_set_client= @@character_set_client;
+SET @safe_character_set_results= @@character_set_results;
 SET character_set_server= @test_character_set;
 SET collation_server= @test_collation;
 CREATE DATABASE d1;
@@ -2604,10 +2606,27 @@ select 1 from t1 order by cast(a as char(1));
 1
 1
 drop table t1;
+set names utf8;
+create table t1 (
+name varchar(10),
+level smallint unsigned);
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `name` varchar(10) collate utf8_swedish_ci default NULL,
+  `level` smallint(5) unsigned default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_swedish_ci
+insert into t1 values ('string',1);
+select concat(name,space(level)), concat(name, repeat(' ',level)) from t1;
+concat(name,space(level))	concat(name, repeat(' ',level))
+string 	string 
+drop table t1;
 DROP DATABASE d1;
 USE test;
 SET character_set_server= @safe_character_set_server;
 SET collation_server= @safe_collation_server;
+SET character_set_client= @safe_character_set_client;
+SET character_set_results= @safe_character_set_results;
 create table t1 (a varchar(1)) character set utf8 collate utf8_estonian_ci;
 insert into t1 values ('A'),('B'),('C'),('a'),('b'),('c');
 select a, a regexp '[a]' from t1 order by binary a;
diff --git a/mysql-test/r/ctype_ucs.result b/mysql-test/r/ctype_ucs.result
index 71810a3364f..89e8f1f6221 100644
--- a/mysql-test/r/ctype_ucs.result
+++ b/mysql-test/r/ctype_ucs.result
@@ -1,4 +1,97 @@
 DROP TABLE IF EXISTS t1;
+SET @test_character_set= 'ucs2';
+SET @test_collation= 'ucs2_general_ci';
+SET @safe_character_set_server= @@character_set_server;
+SET @safe_collation_server= @@collation_server;
+SET @safe_character_set_client= @@character_set_client;
+SET @safe_character_set_results= @@character_set_results;
+SET character_set_server= @test_character_set;
+SET collation_server= @test_collation;
+CREATE DATABASE d1;
+USE d1;
+CREATE TABLE t1 (c CHAR(10), KEY(c));
+SHOW FULL COLUMNS FROM t1;
+Field	Type	Collation	Null	Key	Default	Extra	Privileges	Comment
+c	char(10)	ucs2_general_ci	YES	MUL	NULL			
+INSERT INTO t1 VALUES ('aaa'),('aaaa'),('aaaaa');
+SELECT c as want3results FROM t1 WHERE c LIKE 'aaa%';
+want3results
+aaa
+aaaa
+aaaaa
+DROP TABLE t1;
+CREATE TABLE t1 (c1 varchar(15), KEY c1 (c1(2)));
+SHOW FULL COLUMNS FROM t1;
+Field	Type	Collation	Null	Key	Default	Extra	Privileges	Comment
+c1	varchar(15)	ucs2_general_ci	YES	MUL	NULL			
+INSERT INTO t1 VALUES ('location'),('loberge'),('lotre'),('boabab');
+SELECT c1 as want3results from t1 where c1 like 'l%';
+want3results
+location
+loberge
+lotre
+SELECT c1 as want3results from t1 where c1 like 'lo%';
+want3results
+location
+loberge
+lotre
+SELECT c1 as want1result  from t1 where c1 like 'loc%';
+want1result
+location
+SELECT c1 as want1result  from t1 where c1 like 'loca%';
+want1result
+location
+SELECT c1 as want1result  from t1 where c1 like 'locat%';
+want1result
+location
+SELECT c1 as want1result  from t1 where c1 like 'locati%';
+want1result
+location
+SELECT c1 as want1result  from t1 where c1 like 'locatio%';
+want1result
+location
+SELECT c1 as want1result  from t1 where c1 like 'location%';
+want1result
+location
+DROP TABLE t1;
+create table t1 (a set('a') not null);
+insert into t1 values (),();
+Warnings:
+Warning	1364	Field 'a' doesn't have a default value
+select cast(a as char(1)) from t1;
+cast(a as char(1))
+
+
+select a sounds like a from t1;
+a sounds like a
+1
+1
+select 1 from t1 order by cast(a as char(1));
+1
+1
+1
+drop table t1;
+set names utf8;
+create table t1 (
+name varchar(10),
+level smallint unsigned);
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `name` varchar(10) default NULL,
+  `level` smallint(5) unsigned default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=ucs2
+insert into t1 values ('string',1);
+select concat(name,space(level)), concat(name, repeat(' ',level)) from t1;
+concat(name,space(level))	concat(name, repeat(' ',level))
+string 	string 
+drop table t1;
+DROP DATABASE d1;
+USE test;
+SET character_set_server= @safe_character_set_server;
+SET collation_server= @safe_collation_server;
+SET character_set_client= @safe_character_set_client;
+SET character_set_results= @safe_character_set_results;
 SET NAMES latin1;
 SET character_set_connection=ucs2;
 select 'a' = 'a', 'a' = 'a ', 'a ' = 'a';
diff --git a/mysql-test/r/ctype_ucs2_def.result b/mysql-test/r/ctype_ucs2_def.result
index d838c5d66b0..1bbb354798b 100644
--- a/mysql-test/r/ctype_ucs2_def.result
+++ b/mysql-test/r/ctype_ucs2_def.result
@@ -21,4 +21,14 @@ INSERT INTO t1 VALUES('A', 'A'), ('B', 'B'), ('C', 'C');
 INSERT INTO t1 VALUES('A ', 'A ');
 ERROR 23000: Duplicate entry '' for key 1
 DROP TABLE t1;
+CREATE TABLE t1 (
+c1 CHAR(255) CHARACTER SET UCS2 COLLATE UCS2_BIN NOT NULL,
+KEY(c1)
+) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('marshall\'s');
+INSERT INTO t1 VALUES ('marsh');
+CHECK TABLE t1 EXTENDED;
+Table	Op	Msg_type	Msg_text
+test.t1	check	status	OK
+DROP TABLE t1;
 End of 5.0 tests
diff --git a/mysql-test/r/federated.result b/mysql-test/r/federated.result
index a005db4deac..3a934e7fe3c 100644
--- a/mysql-test/r/federated.result
+++ b/mysql-test/r/federated.result
@@ -2045,6 +2045,30 @@ select 1 from t1 order by a;
 drop table t1;
 drop table t1;
 drop view v1;
+CREATE TABLE t1 (a INT, b INT, KEY(a,b));
+INSERT INTO t1 VALUES(NULL,1),(1,NULL),(NULL,NULL),(1,1),(2,2);
+CREATE TABLE t1 (a INT, b INT, KEY(a,b)) ENGINE=federated
+CONNECTION='mysql://root@127.0.0.1:SLAVE_PORT/test/t1';
+SELECT * FROM t1 WHERE a IS NULL;
+a	b
+NULL	NULL
+NULL	1
+SELECT * FROM t1 WHERE a IS NOT NULL;
+a	b
+1	NULL
+1	1
+2	2
+SELECT * FROM t1 WHERE a=1 AND b=1;
+a	b
+1	1
+SELECT * FROM t1 WHERE a IS NULL AND b=1;
+a	b
+NULL	1
+SELECT * FROM t1 WHERE a IS NOT NULL AND b=1;
+a	b
+1	1
+DROP TABLE t1;
+DROP TABLE t1;
 DROP TABLE IF EXISTS federated.t1;
 DROP DATABASE IF EXISTS federated;
 DROP TABLE IF EXISTS federated.t1;
diff --git a/mysql-test/r/func_misc.result b/mysql-test/r/func_misc.result
index cccdd391497..ac81a2b4b11 100644
--- a/mysql-test/r/func_misc.result
+++ b/mysql-test/r/func_misc.result
@@ -244,4 +244,7 @@ select min(a) from t1 group by inet_ntoa(a);
 min(a)
 -2
 drop table t1;
+SELECT NAME_CONST('var', 'value') COLLATE latin1_general_cs;
+NAME_CONST('var', 'value') COLLATE latin1_general_cs
+value
 End of 5.0 tests
diff --git a/mysql-test/r/merge.result b/mysql-test/r/merge.result
index 2ceae95dfca..f8ef4f23180 100644
--- a/mysql-test/r/merge.result
+++ b/mysql-test/r/merge.result
@@ -918,4 +918,26 @@ id	ref
 3	2
 4	5
 DROP TABLE t1, t2, t3;
+CREATE TABLE t1(a INT);
+CREATE TABLE m1(a INT) ENGINE=MERGE;
+SHOW CREATE TABLE m1;
+Table	Create Table
+m1	CREATE TABLE `m1` (
+  `a` int(11) default NULL
+) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1
+DROP TABLE m1;
+CREATE TABLE m1(a INT) ENGINE=MERGE UNION=();
+SHOW CREATE TABLE m1;
+Table	Create Table
+m1	CREATE TABLE `m1` (
+  `a` int(11) default NULL
+) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1
+ALTER TABLE m1 UNION=(t1);
+ALTER TABLE m1 UNION=();
+SHOW CREATE TABLE m1;
+Table	Create Table
+m1	CREATE TABLE `m1` (
+  `a` int(11) default NULL
+) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t1, m1;
 End of 5.0 tests
diff --git a/mysql-test/r/query_cache.result b/mysql-test/r/query_cache.result
index 68f18d1b0b2..fa80a44c177 100644
--- a/mysql-test/r/query_cache.result
+++ b/mysql-test/r/query_cache.result
@@ -1654,3 +1654,30 @@ set GLOBAL query_cache_type=default;
 set GLOBAL query_cache_limit=default;
 set GLOBAL query_cache_min_res_unit=default;
 set GLOBAL query_cache_size=default;
+use test;
+FLUSH STATUS;
+SET GLOBAL query_cache_size=10*1024*1024;
+SET @save_concurrent_insert= @@concurrent_insert;
+SET GLOBAL concurrent_insert= 0;
+CREATE TABLE t1 (c1 INT NOT NULL) ENGINE=MyISAM;
+INSERT INTO t1 (c1) VALUES (1), (2);
+SHOW GLOBAL VARIABLES LIKE 'concurrent_insert';
+Variable_name	Value
+concurrent_insert	0
+SHOW STATUS LIKE 'Qcache_hits';
+Variable_name	Value
+Qcache_hits	0
+SELECT * FROM t1;
+c1
+1
+2
+SELECT * FROM t1;
+c1
+1
+2
+SHOW STATUS LIKE 'Qcache_hits';
+Variable_name	Value
+Qcache_hits	1
+DROP TABLE t1;
+SET GLOBAL concurrent_insert= @save_concurrent_insert;
+SET GLOBAL query_cache_size= default;
diff --git a/mysql-test/r/rpl_dual_pos_advance.result b/mysql-test/r/rpl_dual_pos_advance.result
index 257baa81b74..4c6323a61db 100644
--- a/mysql-test/r/rpl_dual_pos_advance.result
+++ b/mysql-test/r/rpl_dual_pos_advance.result
@@ -8,15 +8,53 @@ reset master;
 change master to master_host="127.0.0.1",master_port=SLAVE_PORT,master_user="root";
 start slave;
 create table t1 (n int);
+stop slave;
+create table t2 (n int);
+show tables;
+Tables_in_test
+t1
+t2
+create table t3 (n int) engine=innodb;
+set @a=1;
+insert into t3 values(@a);
+begin;
+insert into t3 values(2);
+insert into t3 values(3);
+commit;
+insert into t3 values(4);
+start slave until master_log_file="slave-bin.000001",master_log_pos=195;
+Warnings:
+Note	1278	It is recommended to use --skip-slave-start when doing step-by-step replication with START SLAVE UNTIL; otherwise, you will get problems if you get an unexpected slave's mysqld restart
+show tables;
+Tables_in_test
+t1
+t2
+start slave until master_log_file="slave-bin.000001",master_log_pos=438;
+Warnings:
+Note	1278	It is recommended to use --skip-slave-start when doing step-by-step replication with START SLAVE UNTIL; otherwise, you will get problems if you get an unexpected slave's mysqld restart
+select * from t3;
+n
+1
+start slave until master_log_file="slave-bin.000001",master_log_pos=663;
+Warnings:
+Note	1278	It is recommended to use --skip-slave-start when doing step-by-step replication with START SLAVE UNTIL; otherwise, you will get problems if you get an unexpected slave's mysqld restart
+select * from t3;
+n
+1
+2
+3
+start slave;
 create table t4 (n int);
 create table t5 (n int);
 create table t6 (n int);
 show tables;
 Tables_in_test
 t1
+t2
+t3
 t4
 t5
 t6
 stop slave;
 reset slave;
-drop table t1,t4,t5,t6;
+drop table t1,t2,t3,t4,t5,t6;
diff --git a/mysql-test/r/type_set.result b/mysql-test/r/type_set.result
index 9829d4951c9..4722db1432f 100644
--- a/mysql-test/r/type_set.result
+++ b/mysql-test/r/type_set.result
@@ -93,3 +93,4 @@ c
 1,2,3
 64
 DROP TABLE t1;
+End of 5.0 tests
diff --git a/mysql-test/t/ctype_cp1250_ch.test b/mysql-test/t/ctype_cp1250_ch.test
index 86eb8c31d99..b3daa8a02a2 100644
--- a/mysql-test/t/ctype_cp1250_ch.test
+++ b/mysql-test/t/ctype_cp1250_ch.test
@@ -6,6 +6,16 @@ DROP TABLE IF EXISTS t1;
 
 SHOW COLLATION LIKE 'cp1250_czech_cs';
 
+SET @test_character_set= 'cp1250';
+SET @test_collation= 'cp1250_general_ci';
+-- source include/ctype_common.inc
+
+SET @test_character_set= 'cp1250';
+SET @test_collation= 'cp1250_czech_cs';
+-- source include/ctype_common.inc
+
+
+
 #
 # Bugs: #8840: Empty string comparison and character set 'cp1250'
 #
diff --git a/mysql-test/t/ctype_ucs.test b/mysql-test/t/ctype_ucs.test
index 3c977596dca..854a2fa3c5e 100644
--- a/mysql-test/t/ctype_ucs.test
+++ b/mysql-test/t/ctype_ucs.test
@@ -4,6 +4,10 @@
 DROP TABLE IF EXISTS t1;
 --enable_warnings
 
+SET @test_character_set= 'ucs2';
+SET @test_collation= 'ucs2_general_ci';
+-- source include/ctype_common.inc
+
 SET NAMES latin1;
 SET character_set_connection=ucs2;
 -- source include/endspace.inc
diff --git a/mysql-test/t/ctype_ucs2_def.test b/mysql-test/t/ctype_ucs2_def.test
index c80444daddd..b146dc63626 100644
--- a/mysql-test/t/ctype_ucs2_def.test
+++ b/mysql-test/t/ctype_ucs2_def.test
@@ -39,4 +39,17 @@ INSERT INTO t1 VALUES('A', 'A'), ('B', 'B'), ('C', 'C');
 INSERT INTO t1 VALUES('A ', 'A ');
 DROP TABLE t1;
 
+#
+# Bug#32705 - myisam corruption: Key in wrong position
+#             at page 1024 with ucs2_bin
+#
+CREATE TABLE t1 (
+  c1 CHAR(255) CHARACTER SET UCS2 COLLATE UCS2_BIN NOT NULL,
+  KEY(c1)
+  ) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('marshall\'s');
+INSERT INTO t1 VALUES ('marsh');
+CHECK TABLE t1 EXTENDED;
+DROP TABLE t1;
+
 --echo End of 5.0 tests
diff --git a/mysql-test/t/federated.test b/mysql-test/t/federated.test
index d4f22650a32..934db5cd68b 100644
--- a/mysql-test/t/federated.test
+++ b/mysql-test/t/federated.test
@@ -1716,5 +1716,26 @@ connection slave;
 drop table t1;
 drop view v1;
 
+#
+# BUG#33946 - Join on Federated tables with Unique index gives error 1430
+#             from storage engine
+#
+connection slave;
+CREATE TABLE t1 (a INT, b INT, KEY(a,b));
+INSERT INTO t1 VALUES(NULL,1),(1,NULL),(NULL,NULL),(1,1),(2,2);
+
+connection master;
+--replace_result $SLAVE_MYPORT SLAVE_PORT
+eval CREATE TABLE t1 (a INT, b INT, KEY(a,b)) ENGINE=federated
+CONNECTION='mysql://root@127.0.0.1:$SLAVE_MYPORT/test/t1';
+SELECT * FROM t1 WHERE a IS NULL;
+SELECT * FROM t1 WHERE a IS NOT NULL;
+SELECT * FROM t1 WHERE a=1 AND b=1;
+SELECT * FROM t1 WHERE a IS NULL AND b=1;
+SELECT * FROM t1 WHERE a IS NOT NULL AND b=1;
+DROP TABLE t1;
+
+connection slave;
+DROP TABLE t1;
 
 source include/federated_cleanup.inc;
diff --git a/mysql-test/t/func_misc.test b/mysql-test/t/func_misc.test
index 17c147f7193..12824a9b39d 100644
--- a/mysql-test/t/func_misc.test
+++ b/mysql-test/t/func_misc.test
@@ -255,5 +255,11 @@ insert into t1 values (-1), (-2);
 select min(a) from t1 group by inet_ntoa(a);
 drop table t1;
 
+#
+# BUG#34289 - Incorrect NAME_CONST substitution in stored procedures breaks
+# replication
+#
+SELECT NAME_CONST('var', 'value') COLLATE latin1_general_cs;
+
 --echo End of 5.0 tests
 
diff --git a/mysql-test/t/merge.test b/mysql-test/t/merge.test
index 35443987858..e5cc4d703f2 100644
--- a/mysql-test/t/merge.test
+++ b/mysql-test/t/merge.test
@@ -542,5 +542,18 @@ SELECT * FROM t3;
 
 DROP TABLE t1, t2, t3;
 
+#
+# BUG#28248 - mysqldump results with MERGE ... UNION=() cannot be executed
+#
+CREATE TABLE t1(a INT);
+CREATE TABLE m1(a INT) ENGINE=MERGE;
+SHOW CREATE TABLE m1;
+DROP TABLE m1;
+CREATE TABLE m1(a INT) ENGINE=MERGE UNION=();
+SHOW CREATE TABLE m1;
+ALTER TABLE m1 UNION=(t1);
+ALTER TABLE m1 UNION=();
+SHOW CREATE TABLE m1;
+DROP TABLE t1, m1;
 
 --echo End of 5.0 tests
diff --git a/mysql-test/t/query_cache.test b/mysql-test/t/query_cache.test
index 44b63df9739..ebd24bf2b89 100644
--- a/mysql-test/t/query_cache.test
+++ b/mysql-test/t/query_cache.test
@@ -1255,5 +1255,25 @@ set GLOBAL query_cache_type=default;
 set GLOBAL query_cache_limit=default;
 set GLOBAL query_cache_min_res_unit=default;
 set GLOBAL query_cache_size=default;
+use test;
+
+#
+# Bug#33756 - query cache with concurrent_insert=0 appears broken
+#
+FLUSH STATUS;
+SET GLOBAL query_cache_size=10*1024*1024;
+SET @save_concurrent_insert= @@concurrent_insert;
+SET GLOBAL concurrent_insert= 0;
+CREATE TABLE t1 (c1 INT NOT NULL) ENGINE=MyISAM;
+INSERT INTO t1 (c1) VALUES (1), (2);
+#
+SHOW GLOBAL VARIABLES LIKE 'concurrent_insert';
+SHOW STATUS LIKE 'Qcache_hits';
+SELECT * FROM t1;
+SELECT * FROM t1;
+SHOW STATUS LIKE 'Qcache_hits';
+DROP TABLE t1;
+SET GLOBAL concurrent_insert= @save_concurrent_insert;
+SET GLOBAL query_cache_size= default;
 
 # End of 5.0 tests
diff --git a/mysql-test/t/rpl_dual_pos_advance-slave.opt b/mysql-test/t/rpl_dual_pos_advance-slave.opt
new file mode 100644
index 00000000000..627becdbfb5
--- /dev/null
+++ b/mysql-test/t/rpl_dual_pos_advance-slave.opt
@@ -0,0 +1 @@
+--innodb
diff --git a/mysql-test/t/rpl_dual_pos_advance.test b/mysql-test/t/rpl_dual_pos_advance.test
index 518fa9df885..6a3cf9e4f97 100644
--- a/mysql-test/t/rpl_dual_pos_advance.test
+++ b/mysql-test/t/rpl_dual_pos_advance.test
@@ -7,6 +7,7 @@
 # It also will test BUG#13861.
 
 source include/master-slave.inc;
+source include/have_innodb.inc;
 
 
 # set up "dual head"
@@ -30,45 +31,58 @@ save_master_pos;
 connection master;
 sync_with_master;
 
-# Now test BUG#13861. This will be enabled when Guilhem fixes this
-# bug.
+#
+# BUG#13861 - START SLAVE UNTIL may stop 1 evnt too late if
+#             log-slave-updates and circul repl
+#
+stop slave;
 
-# stop slave
+create table t2 (n int); # create one ignored event
 
-# create table t2 (n int); # create one ignored event
+save_master_pos;
+connection slave;
+sync_with_master;
 
-# save_master_pos;
-# connection slave;
-# sync_with_master;
+connection slave;
 
-# connection slave;
+show tables;
 
-# show tables;
+save_master_pos;
 
-# save_master_pos;
+create table t3 (n int) engine=innodb;
+set @a=1;
+insert into t3 values(@a);
+begin;
+insert into t3 values(2);
+insert into t3 values(3);
+commit;
+insert into t3 values(4);
 
-# create table t3 (n int);
 
-# connection master;
+connection master;
 
 # bug is that START SLAVE UNTIL may stop too late, we test that by
 # asking it to stop before creation of t3.
 
-# start slave until master_log_file="slave-bin.000001",master_log_pos=195;
-
-# wait until it's started (the position below is the start of "CREATE
-# TABLE t2") (otherwise wait_for_slave_to_stop may return at once)
-
-# select master_pos_wait("slave-bin.000001",137);
-
-# wait_for_slave_to_stop;
+start slave until master_log_file="slave-bin.000001",master_log_pos=195;
+wait_for_slave_to_stop;
 
 # then BUG#13861 causes t3 to show up below (because stopped too
 # late).
 
-# show tables;
+show tables;
 
-# start slave;
+# ensure that we do not break set @a=1; insert into t3 values(@a);
+start slave until master_log_file="slave-bin.000001",master_log_pos=438;
+wait_for_slave_to_stop;
+select * from t3;
+
+# ensure that we do not break transaction
+start slave until master_log_file="slave-bin.000001",master_log_pos=663;
+wait_for_slave_to_stop;
+select * from t3;
+
+start slave;
 
 # BUG#13023 is that Exec_master_log_pos may stay too low "forever":
 
@@ -99,7 +113,7 @@ show tables;
 
 stop slave;
 reset slave;
-drop table t1,t4,t5,t6; # add t2 and t3 later
+drop table t1,t2,t3,t4,t5,t6;
 
 save_master_pos;
 connection slave;
diff --git a/mysql-test/t/rpl_transaction.test b/mysql-test/t/rpl_transaction.test
index 07ba2ea8281..ee9de3b5a5e 100644
--- a/mysql-test/t/rpl_transaction.test
+++ b/mysql-test/t/rpl_transaction.test
@@ -39,7 +39,7 @@ COMMIT;
 BEGIN;
 INSERT INTO tmyisam VALUES (5);
 INSERT INTO tmyisam VALUES (6);
---warning 1196
+#--warning 1196
 ROLLBACK;
 
 SELECT * FROM tmyisam ORDER BY a;
diff --git a/mysql-test/t/type_set.test b/mysql-test/t/type_set.test
index c7f8c59de28..e98555e137b 100644
--- a/mysql-test/t/type_set.test
+++ b/mysql-test/t/type_set.test
@@ -75,4 +75,4 @@ INSERT INTO t1 VALUES(9223372036854775808);
 SELECT * FROM t1;
 DROP TABLE t1;
 
---# echo End of 5.0 tests
+--echo End of 5.0 tests
diff --git a/sql/ha_federated.cc b/sql/ha_federated.cc
index ac1e0962ffb..c0743bd6c9a 100644
--- a/sql/ha_federated.cc
+++ b/sql/ha_federated.cc
@@ -1094,10 +1094,20 @@ bool ha_federated::create_where_from_key(String *to,
       {
         if (*ptr++)
         {
+          /*
+            We got "IS [NOT] NULL" condition against nullable column. We
+            distinguish between "IS NOT NULL" and "IS NULL" by flag. For
+            "IS NULL", flag is set to HA_READ_KEY_EXACT.
+          */
           if (emit_key_part_name(&tmp, key_part) ||
-              tmp.append(FEDERATED_ISNULL))
+              tmp.append(ranges[i]->flag == HA_READ_KEY_EXACT ?
+                         FEDERATED_ISNULL : " IS NOT NULL "))
             DBUG_RETURN(1);
-          continue;
+          /*
+            We need to adjust pointer and length to be prepared for next
+            key part. As well as check if this was last key part.
+          */
+          goto prepare_for_next_key_part;
         }
       }
 
@@ -1199,12 +1209,18 @@ bool ha_federated::create_where_from_key(String *to,
       if (tmp.append(FEDERATED_CLOSEPAREN))
         DBUG_RETURN(1);
 
+prepare_for_next_key_part:
       if (store_length >= length)
         break;
       DBUG_PRINT("info", ("remainder %d", remainder));
       DBUG_ASSERT(remainder > 1);
       length-= store_length;
-      ptr+= store_length;
+      /*
+        For nullable columns, null-byte is already skipped before, that is
+        ptr was incremented by 1. Since store_length still counts null-byte,
+        we need to subtract 1 from store_length.
+      */
+      ptr+= store_length - test(key_part->null_bit);
       if (tmp.append(FEDERATED_AND))
         DBUG_RETURN(1);
 
diff --git a/sql/ha_myisam.cc b/sql/ha_myisam.cc
index 46afa7a8f45..8c8f027bb6b 100644
--- a/sql/ha_myisam.cc
+++ b/sql/ha_myisam.cc
@@ -1954,6 +1954,7 @@ my_bool ha_myisam::register_query_cache_table(THD *thd, char *table_name,
                                               *engine_callback,
                                               ulonglong *engine_data)
 {
+  DBUG_ENTER("ha_myisam::register_query_cache_table");
   /*
     No call back function is needed to determine if a cached statement
     is valid or not.
@@ -1965,39 +1966,48 @@ my_bool ha_myisam::register_query_cache_table(THD *thd, char *table_name,
   */
   *engine_data= 0;
 
-  /*
-    If a concurrent INSERT has happened just before the currently processed
-    SELECT statement, the total size of the table is unknown.
+  if (file->s->concurrent_insert)
+  {
+    /*
+      If a concurrent INSERT has happened just before the currently
+      processed SELECT statement, the total size of the table is
+      unknown.
 
-    To determine if the table size is known, the current thread's snap shot of
-    the table size with the actual table size are compared.
+      To determine if the table size is known, the current thread's snap
+      shot of the table size with the actual table size are compared.
 
-    If the table size is unknown the SELECT statement can't be cached.
-  */
-  ulonglong actual_data_file_length;
-  ulonglong current_data_file_length;
+      If the table size is unknown the SELECT statement can't be cached.
 
-  /*
-    POSIX visibility rules specify that "2. Whatever memory values a
-    thread can see when it unlocks a mutex <...> can also be seen by any
-    thread that later locks the same mutex". In this particular case,
-    concurrent insert thread had modified the data_file_length in
-    MYISAM_SHARE before it has unlocked (or even locked)
-    structure_guard_mutex. So, here we're guaranteed to see at least that
-    value after we've locked the same mutex. We can see a later value
-    (modified by some other thread) though, but it's ok, as we only want
-    to know if the variable was changed, the actual new value doesn't matter
-  */
-  actual_data_file_length= file->s->state.state.data_file_length;
-  current_data_file_length= file->save_state.data_file_length;
+      When concurrent inserts are disabled at table open, mi_open()
+      does not assign a get_status() function. In this case the local
+      ("current") status is never updated. We would wrongly think that
+      we cannot cache the statement.
+    */
+    ulonglong actual_data_file_length;
+    ulonglong current_data_file_length;
 
-  if (current_data_file_length != actual_data_file_length)
-  {
-    /* Don't cache current statement. */
-    return FALSE;
+    /*
+      POSIX visibility rules specify that "2. Whatever memory values a
+      thread can see when it unlocks a mutex <...> can also be seen by any
+      thread that later locks the same mutex". In this particular case,
+      concurrent insert thread had modified the data_file_length in
+      MYISAM_SHARE before it has unlocked (or even locked)
+      structure_guard_mutex. So, here we're guaranteed to see at least that
+      value after we've locked the same mutex. We can see a later value
+      (modified by some other thread) though, but it's ok, as we only want
+      to know if the variable was changed, the actual new value doesn't matter
+    */
+    actual_data_file_length= file->s->state.state.data_file_length;
+    current_data_file_length= file->save_state.data_file_length;
+
+    if (current_data_file_length != actual_data_file_length)
+    {
+      /* Don't cache current statement. */
+      DBUG_RETURN(FALSE);
+    }
   }
 
   /* It is ok to try to cache current statement. */
-  return TRUE;
+  DBUG_RETURN(TRUE);
 }
 #endif
diff --git a/sql/ha_myisammrg.cc b/sql/ha_myisammrg.cc
index 78492d2843d..b796978f352 100644
--- a/sql/ha_myisammrg.cc
+++ b/sql/ha_myisammrg.cc
@@ -602,6 +602,12 @@ void ha_myisammrg::append_create_info(String *packet)
     packet->append(STRING_WITH_LEN(" INSERT_METHOD="));
     packet->append(get_type(&merge_insert_method,file->merge_insert_method-1));
   }
+  /*
+    There is no sence adding UNION clause in case there is no underlying
+    tables specified.
+  */
+  if (file->open_tables == file->end_table)
+    return;
   packet->append(STRING_WITH_LEN(" UNION=("));
   MYRG_TABLE *open_table,*first;
 
diff --git a/sql/item.cc b/sql/item.cc
index 11e9acb1e55..c5b8d7a89ef 100644
--- a/sql/item.cc
+++ b/sql/item.cc
@@ -1265,6 +1265,7 @@ bool Item_name_const::fix_fields(THD *thd, Item **ref)
     return TRUE;
   }
   set_name(item_name->ptr(), (uint) item_name->length(), system_charset_info);
+  collation.set(value_item->collation.collation, DERIVATION_IMPLICIT);
   max_length= value_item->max_length;
   decimals= value_item->decimals;
   fixed= 1;
diff --git a/sql/item_create.cc b/sql/item_create.cc
index 561613032bc..60a17c21521 100644
--- a/sql/item_create.cc
+++ b/sql/item_create.cc
@@ -361,13 +361,13 @@ Item *create_func_space(Item *a)
   if (cs->mbminlen > 1)
   {
     uint dummy_errors;
-    sp= new Item_string("",0,cs);
+    sp= new Item_string("", 0, cs, DERIVATION_COERCIBLE, MY_REPERTOIRE_ASCII);
     if (sp)
       sp->str_value.copy(" ", 1, &my_charset_latin1, cs, &dummy_errors);
   }
   else
   {
-    sp= new Item_string(" ",1,cs);
+    sp= new Item_string(" ", 1, cs, DERIVATION_COERCIBLE, MY_REPERTOIRE_ASCII);
   }
   return sp ? new Item_func_repeat(sp, a) : 0;
 }
diff --git a/sql/item_func.cc b/sql/item_func.cc
index 44b8ed998fe..a6fb8a94b69 100644
--- a/sql/item_func.cc
+++ b/sql/item_func.cc
@@ -3729,6 +3729,18 @@ longlong Item_func_sleep::val_int()
   DBUG_ASSERT(fixed == 1);
 
   double time= args[0]->val_real();
+  /*
+    On 64-bit OSX pthread_cond_timedwait() waits forever
+    if passed abstime time has already been exceeded by 
+    the system time.
+    When given a very short timeout (< 10 mcs) just return 
+    immediately.
+    We assume that the lines between this test and the call 
+    to pthread_cond_timedwait() will be executed in less than 0.00001 sec.
+  */
+  if (time < 0.00001)
+    return 0;
+    
   set_timespec_nsec(abstime, (ulonglong)(time * ULL(1000000000)));
 
   pthread_cond_init(&cond, NULL);
diff --git a/sql/log_event.cc b/sql/log_event.cc
index a950094a018..05dccd782ad 100644
--- a/sql/log_event.cc
+++ b/sql/log_event.cc
@@ -373,6 +373,7 @@ Log_event::Log_event(const char* buf,
 #endif
   when = uint4korr(buf);
   server_id = uint4korr(buf + SERVER_ID_OFFSET);
+  data_written= uint4korr(buf + EVENT_LEN_OFFSET);
   if (description_event->binlog_version==1)
   {
     log_pos= 0;
@@ -405,7 +406,7 @@ Log_event::Log_event(const char* buf,
         binlog, so which will cause problems if the user uses this value
         in CHANGE MASTER).
       */
-    log_pos+= uint4korr(buf + EVENT_LEN_OFFSET);
+    log_pos+= data_written; /* purecov: inspected */
   }
   DBUG_PRINT("info", ("log_pos: %lu", (ulong) log_pos));
 
diff --git a/sql/repl_failsafe.cc b/sql/repl_failsafe.cc
index 896315ec82f..7f98dd2d64a 100644
--- a/sql/repl_failsafe.cc
+++ b/sql/repl_failsafe.cc
@@ -109,11 +109,14 @@ void change_rpl_status(RPL_STATUS from_status, RPL_STATUS to_status)
 }
 
 
-#define get_object(p, obj) \
+#define get_object(p, obj, msg) \
 {\
   uint len = (uint)*p++;  \
   if (p + len > p_end || len >= sizeof(obj)) \
+  {\
+    errmsg= msg;\
     goto err; \
+  }\
   strmake(obj,(char*) p,len); \
   p+= len; \
 }\
@@ -158,6 +161,7 @@ int register_slave(THD* thd, uchar* packet, uint packet_length)
   int res;
   SLAVE_INFO *si;
   uchar *p= packet, *p_end= packet + packet_length;
+  const char *errmsg= "Wrong parameters to function register_slave";
 
   if (check_access(thd, REPL_SLAVE_ACL, any_db,0,0,0,0))
     return 1;
@@ -166,9 +170,9 @@ int register_slave(THD* thd, uchar* packet, uint packet_length)
 
   thd->server_id= si->server_id= uint4korr(p);
   p+= 4;
-  get_object(p,si->host);
-  get_object(p,si->user);
-  get_object(p,si->password);
+  get_object(p,si->host, "Failed to register slave: too long 'report-host'");
+  get_object(p,si->user, "Failed to register slave: too long 'report-user'");
+  get_object(p,si->password, "Failed to register slave; too long 'report-password'");
   if (p+10 > p_end)
     goto err;
   si->port= uint2korr(p);
@@ -187,8 +191,7 @@ int register_slave(THD* thd, uchar* packet, uint packet_length)
 
 err:
   my_free((gptr) si, MYF(MY_WME));
-  my_message(ER_UNKNOWN_ERROR, "Wrong parameters to function register_slave",
-	     MYF(0));
+  my_message(ER_UNKNOWN_ERROR, errmsg, MYF(0)); /* purecov: inspected */
 err2:
   return 1;
 }
diff --git a/sql/slave.cc b/sql/slave.cc
index 5488b3c312a..e8bdf655115 100644
--- a/sql/slave.cc
+++ b/sql/slave.cc
@@ -3138,6 +3138,11 @@ int check_expected_error(THD* thd, RELAY_LOG_INFO* rli, int expected_error)
      Check if condition stated in UNTIL clause of START SLAVE is reached.
    SYNOPSYS
      st_relay_log_info::is_until_satisfied()
+     master_beg_pos    position of the beginning of to be executed event
+                       (not log_pos member of the event that points to the
+                        beginning of the following event)
+
+
    DESCRIPTION
      Checks if UNTIL condition is reached. Uses caching result of last 
      comparison of current log file name and target log file name. So cached 
@@ -3162,7 +3167,7 @@ int check_expected_error(THD* thd, RELAY_LOG_INFO* rli, int expected_error)
      false - condition not met
 */
 
-bool st_relay_log_info::is_until_satisfied()
+bool st_relay_log_info::is_until_satisfied(my_off_t master_beg_pos)
 {
   const char *log_name;
   ulonglong log_pos;
@@ -3172,7 +3177,7 @@ bool st_relay_log_info::is_until_satisfied()
   if (until_condition == UNTIL_MASTER_POS)
   {
     log_name= group_master_log_name;
-    log_pos= group_master_log_pos;
+    log_pos= master_beg_pos;
   }
   else
   { /* until_condition == UNTIL_RELAY_POS */
@@ -3251,28 +3256,6 @@ static int exec_relay_log_event(THD* thd, RELAY_LOG_INFO* rli)
      wait for something for example inside of next_event().
    */
   pthread_mutex_lock(&rli->data_lock);
-  /*
-    This tests if the position of the end of the last previous executed event
-    hits the UNTIL barrier.
-    We would prefer to test if the position of the start (or possibly) end of
-    the to-be-read event hits the UNTIL barrier, this is different if there
-    was an event ignored by the I/O thread just before (BUG#13861 to be
-    fixed).
-  */
-  if (rli->until_condition!=RELAY_LOG_INFO::UNTIL_NONE &&
-      rli->is_until_satisfied())
-  {
-    char buf[22];
-    sql_print_information("Slave SQL thread stopped because it reached its"
-                    " UNTIL position %s", llstr(rli->until_pos(), buf));
-    /*
-      Setting abort_slave flag because we do not want additional message about
-      error in query execution to be printed.
-    */
-    rli->abort_slave= 1;
-    pthread_mutex_unlock(&rli->data_lock);
-    return 1;
-  }
 
   Log_event * ev = next_event(rli);
 
@@ -3290,6 +3273,27 @@ static int exec_relay_log_event(THD* thd, RELAY_LOG_INFO* rli)
     int exec_res;
 
     /*
+      This tests if the position of the beginning of the current event
+      hits the UNTIL barrier.
+    */
+    if (rli->until_condition != RELAY_LOG_INFO::UNTIL_NONE &&
+        rli->is_until_satisfied((thd->options & OPTION_BEGIN || !ev->log_pos) ?
+                                rli->group_master_log_pos :
+                                ev->log_pos - ev->data_written))
+    {
+      char buf[22];
+      sql_print_information("Slave SQL thread stopped because it reached its"
+                            " UNTIL position %s", llstr(rli->until_pos(), buf));
+      /*
+        Setting abort_slave flag because we do not want additional message about
+        error in query execution to be printed.
+      */
+      rli->abort_slave= 1;
+      pthread_mutex_unlock(&rli->data_lock);
+      delete ev;
+      return 1;
+    }
+    /*
       Queries originating from this server must be skipped.
       Low-level events (Format_desc, Rotate, Stop) from this server
       must also be skipped. But for those we don't want to modify
@@ -4000,6 +4004,22 @@ Slave SQL thread aborted. Can't execute init_slave query");
     }
   }
 
+  /*
+    First check until condition - probably there is nothing to execute. We
+    do not want to wait for next event in this case.
+  */
+  pthread_mutex_lock(&rli->data_lock);
+  if (rli->until_condition != RELAY_LOG_INFO::UNTIL_NONE &&
+      rli->is_until_satisfied(rli->group_master_log_pos))
+  {
+    char buf[22];
+    sql_print_information("Slave SQL thread stopped because it reached its"
+                          " UNTIL position %s", llstr(rli->until_pos(), buf));
+    pthread_mutex_unlock(&rli->data_lock);
+    goto err;
+  }
+  pthread_mutex_unlock(&rli->data_lock);
+
   /* Read queries from the IO/THREAD until this thread is killed */
 
   while (!sql_slave_killed(thd,rli))
diff --git a/sql/slave.h b/sql/slave.h
index c61787cdf3b..da548e145d3 100644
--- a/sql/slave.h
+++ b/sql/slave.h
@@ -348,7 +348,7 @@ typedef struct st_relay_log_info
   void close_temporary_tables();
 
   /* Check if UNTIL condition is satisfied. See slave.cc for more. */
-  bool is_until_satisfied();
+  bool is_until_satisfied(my_off_t master_beg_pos);
   inline ulonglong until_pos()
   {
     return ((until_condition == UNTIL_MASTER_POS) ? group_master_log_pos :
diff --git a/sql/sql_yacc.yy b/sql/sql_yacc.yy
index 80fa037b964..44fdf0891b7 100644
--- a/sql/sql_yacc.yy
+++ b/sql/sql_yacc.yy
@@ -2934,7 +2934,7 @@ create_table_option:
 	    my_error(ER_WARN_DEPRECATED_SYNTAX, MYF(0), "RAID_CHUNKSIZE", "PARTITION");
 	    MYSQL_YYABORT;
 	  }
-	| UNION_SYM opt_equal '(' table_list ')'
+	| UNION_SYM opt_equal '(' opt_table_list ')'
 	  {
 	    /* Move the union list to the merge_list */
 	    LEX *lex=Lex;