Merge mysql.com:/home/hf/mysql-5.0.mrg

into  mysql.com:/home/hf/mysql-5.1.mrg


include/m_ctype.h:
  Auto merged
mysql-test/r/ctype_utf8.result:
  Auto merged
mysql-test/r/type_enum.result:
  Auto merged
mysql-test/t/ctype_utf8.test:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/table.cc:
  Auto merged
sql/unireg.cc:
  Auto merged
strings/CHARSET_INFO.txt:
  Auto merged
strings/ctype-mb.c:
  Auto merged
strings/ctype-utf8.c:
  Auto merged

10 files changed, 234 insertions, 10 deletions

diff --git a/include/m_ctype.h b/include/m_ctype.h
index c357f067358..5f946a3b443 100644
--- a/include/m_ctype.h
+++ b/include/m_ctype.h
@@ -120,6 +120,8 @@ enum my_lex_states
 
 struct charset_info_st;
 
+
+/* See strings/CHARSET_INFO.txt for information about this structure  */
 typedef struct my_collation_handler_st
 {
   my_bool (*init)(struct charset_info_st *, void *(*alloc)(uint));
@@ -162,6 +164,7 @@ extern MY_COLLATION_HANDLER my_collation_8bit_simple_ci_handler;
 extern MY_COLLATION_HANDLER my_collation_ucs2_uca_handler;
 
 
+/* See strings/CHARSET_INFO.txt about information on this structure  */
 typedef struct my_charset_handler_st
 {
   my_bool (*init)(struct charset_info_st *, void *(*alloc)(uint));
@@ -228,6 +231,7 @@ extern MY_CHARSET_HANDLER my_charset_8bit_handler;
 extern MY_CHARSET_HANDLER my_charset_ucs2_handler;
 
 
+/* See strings/CHARSET_INFO.txt about information on this structure  */
 typedef struct charset_info_st
 {
   uint      number;
diff --git a/mysql-test/r/ctype_utf8.result b/mysql-test/r/ctype_utf8.result
index f3351a2973b..4ae19fc8f7c 100644
--- a/mysql-test/r/ctype_utf8.result
+++ b/mysql-test/r/ctype_utf8.result
@@ -1155,6 +1155,81 @@ check table t1;
 Table	Op	Msg_type	Msg_text
 test.t1	check	status	OK
 drop table t1;
+set names utf8;
+create table t1 (s1 char(5) character set utf8);
+insert into t1 values
+('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
+create index it1 on t1 (s1);
+select s1 as before_delete_general_ci from t1 where s1 like 'ペテ%';
+before_delete_general_ci
+ペテルグル
+delete from t1 where s1 = 'Y';
+select s1 as after_delete_general_ci from t1 where s1 like 'ペテ%';
+after_delete_general_ci
+ペテルグル
+drop table t1;
+set names utf8;
+create table t1 (s1 char(5) character set utf8 collate utf8_unicode_ci);
+insert into t1 values
+('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
+create index it1 on t1 (s1);
+select s1 as before_delete_unicode_ci from t1 where s1 like 'ペテ%';
+before_delete_unicode_ci
+ペテルグル
+delete from t1 where s1 = 'Y';
+select s1 as after_delete_unicode_ci from t1 where s1 like 'ペテ%';
+after_delete_unicode_ci
+ペテルグル
+drop table t1;
+set names utf8;
+create table t1 (s1 char(5) character set utf8 collate utf8_bin);
+insert into t1 values
+('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
+create index it1 on t1 (s1);
+select s1 as before_delete_bin from t1 where s1 like 'ペテ%';
+before_delete_bin
+ペテルグル
+delete from t1 where s1 = 'Y';
+select s1 as after_delete_bin from t1 where s1 like 'ペテ%';
+after_delete_bin
+ペテルグル
+drop table t1;
+set names utf8;
+create table t1 (a varchar(30) not null primary key)
+engine=innodb  default character set utf8 collate utf8_general_ci;
+insert into t1 values ('あいうえおかきくけこさしすせそ');
+insert into t1 values ('さしすせそかきくけこあいうえお');
+select a as gci1 from t1 where a like 'さしすせそかきくけこあいうえお%';
+gci1
+さしすせそかきくけこあいうえお
+select a as gci2 from t1 where a like 'あいうえおかきくけこさしすせそ';
+gci2
+あいうえおかきくけこさしすせそ
+drop table t1;
+set names utf8;
+create table t1 (a varchar(30) not null primary key)
+engine=innodb default character set utf8 collate utf8_unicode_ci;
+insert into t1 values ('あいうえおかきくけこさしすせそ');
+insert into t1 values ('さしすせそかきくけこあいうえお');
+select a as uci1 from t1 where a like 'さしすせそかきくけこあいうえお%';
+uci1
+さしすせそかきくけこあいうえお
+select a as uci2 from t1 where a like 'あいうえおかきくけこさしすせそ';
+uci2
+あいうえおかきくけこさしすせそ
+drop table t1;
+set names utf8;
+create table t1 (a varchar(30) not null primary key)
+engine=innodb default character set utf8 collate utf8_bin;
+insert into t1 values ('あいうえおかきくけこさしすせそ');
+insert into t1 values ('さしすせそかきくけこあいうえお');
+select a as bin1 from t1 where a like 'さしすせそかきくけこあいうえお%';
+bin1
+さしすせそかきくけこあいうえお
+select a as bin2 from t1 where a like 'あいうえおかきくけこさしすせそ';
+bin2
+あいうえおかきくけこさしすせそ
+drop table t1;
 SET NAMES utf8;
 CREATE TABLE t1 (id int PRIMARY KEY,
 a varchar(16) collate utf8_unicode_ci NOT NULL default '',
diff --git a/mysql-test/r/type_enum.result b/mysql-test/r/type_enum.result
index 251af31249a..da913df4dd3 100644
--- a/mysql-test/r/type_enum.result
+++ b/mysql-test/r/type_enum.result
@@ -1745,3 +1745,12 @@ create table t1 (a set('x','y') default 'x');
 alter table t1 alter a set default 'z';
 ERROR 42000: Invalid default value for 'a'
 drop table t1;
+create table t1 (f1 int);
+alter table t1 add f2 enum(0xFFFF);
+show create table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `f1` int(11) default NULL,
+  `f2` enum('��') default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+drop table t1;
diff --git a/mysql-test/t/ctype_utf8.test b/mysql-test/t/ctype_utf8.test
index ecf118dae59..7ee7c9d00cb 100644
--- a/mysql-test/t/ctype_utf8.test
+++ b/mysql-test/t/ctype_utf8.test
@@ -942,6 +942,76 @@ check table t1;
 drop table t1;
 
 #
+# Bug#20471 LIKE search fails with indexed utf8 char column
+#
+set names utf8;
+create table t1 (s1 char(5) character set utf8);
+insert into t1 values
+('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
+create index it1 on t1 (s1);
+select s1 as before_delete_general_ci from t1 where s1 like 'ペテ%';
+delete from t1 where s1 = 'Y';
+select s1 as after_delete_general_ci from t1 where s1 like 'ペテ%';
+drop table t1;
+
+set names utf8;
+create table t1 (s1 char(5) character set utf8 collate utf8_unicode_ci);
+insert into t1 values
+('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
+create index it1 on t1 (s1);
+select s1 as before_delete_unicode_ci from t1 where s1 like 'ペテ%';
+delete from t1 where s1 = 'Y';
+select s1 as after_delete_unicode_ci from t1 where s1 like 'ペテ%';
+drop table t1;
+
+set names utf8;
+create table t1 (s1 char(5) character set utf8 collate utf8_bin);
+insert into t1 values
+('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
+create index it1 on t1 (s1);
+select s1 as before_delete_bin from t1 where s1 like 'ペテ%';
+delete from t1 where s1 = 'Y';
+select s1 as after_delete_bin from t1 where s1 like 'ペテ%';
+drop table t1;
+
+# additional tests from duplicate bug#20744 MySQL return no result
+
+set names utf8;
+--disable_warnings
+create table t1 (a varchar(30) not null primary key)
+engine=innodb  default character set utf8 collate utf8_general_ci;
+--enable_warnings
+insert into t1 values ('あいうえおかきくけこさしすせそ');
+insert into t1 values ('さしすせそかきくけこあいうえお');
+select a as gci1 from t1 where a like 'さしすせそかきくけこあいうえお%';
+select a as gci2 from t1 where a like 'あいうえおかきくけこさしすせそ';
+drop table t1;
+
+set names utf8;
+--disable_warnings
+create table t1 (a varchar(30) not null primary key)
+engine=innodb default character set utf8 collate utf8_unicode_ci;
+--enable_warnings
+insert into t1 values ('あいうえおかきくけこさしすせそ');
+insert into t1 values ('さしすせそかきくけこあいうえお');
+select a as uci1 from t1 where a like 'さしすせそかきくけこあいうえお%';
+select a as uci2 from t1 where a like 'あいうえおかきくけこさしすせそ';
+drop table t1;
+
+set names utf8;
+--disable_warnings
+create table t1 (a varchar(30) not null primary key)
+engine=innodb default character set utf8 collate utf8_bin;
+--enable_warnings
+insert into t1 values ('あいうえおかきくけこさしすせそ');
+insert into t1 values ('さしすせそかきくけこあいうえお');
+select a as bin1 from t1 where a like 'さしすせそかきくけこあいうえお%';
+select a as bin2 from t1 where a like 'あいうえおかきくけこさしすせそ';
+drop table t1;
+
+
+
+#
 # Bug#14896: Comparison with a key in a partial index over mb chararacter field
 #
 
diff --git a/mysql-test/t/type_enum.test b/mysql-test/t/type_enum.test
index 0d479f312cd..68f5664c36d 100644
--- a/mysql-test/t/type_enum.test
+++ b/mysql-test/t/type_enum.test
@@ -127,4 +127,13 @@ create table t1 (a set('x','y') default 'x');
 alter table t1 alter a set default 'z';
 drop table t1;
 
+
+#
+# Bug#20922 mysql removes a name of first column in a table
+#
+create table t1 (f1 int);
+alter table t1 add f2 enum(0xFFFF);
+show create table t1;
+drop table t1;
+
 # End of 4.1 tests
diff --git a/sql/table.cc b/sql/table.cc
index 5b41ad48696..1877e3f926c 100644
--- a/sql/table.cc
+++ b/sql/table.cc
@@ -802,7 +802,21 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head,
                                                         count)))
         goto err;
       for (count= 0; count < interval->count; count++)
-        interval->type_lengths[count]= strlen(interval->type_names[count]);
+      {
+        char *val= (char*) interval->type_names[count];
+        interval->type_lengths[count]= strlen(val);
+        /*
+          Replace all ',' symbols with NAMES_SEP_CHAR.
+          See the comment in unireg.cc, pack_fields() function
+          for details.
+        */
+        for (uint cnt= 0 ; cnt < interval->type_lengths[count] ; cnt++)
+        {
+          char c= val[cnt];
+          if (c == ',')
+            val[cnt]= NAMES_SEP_CHAR;
+        }       
+      }
       interval->type_lengths[count]= 0;
     }
   }
diff --git a/sql/unireg.cc b/sql/unireg.cc
index 2ea572c782c..a20c59fd796 100644
--- a/sql/unireg.cc
+++ b/sql/unireg.cc
@@ -793,6 +793,21 @@ static bool pack_fields(File file, List<create_field> &create_fields,
 	tmp.append(NAMES_SEP_CHAR);
 	for (const char **pos=field->interval->type_names ; *pos ; pos++)
 	{
+          char *val= (char*) *pos;
+          uint str_len= strlen(val);
+          /*
+            Note, hack: in old frm NAMES_SEP_CHAR is used to separate
+            names in the interval (ENUM/SET). To allow names to contain
+            NAMES_SEP_CHAR, we replace it with a comma before writing frm.
+            Backward conversion is done during frm file opening,
+            See table.cc, openfrm() function
+          */
+          for (uint cnt= 0 ; cnt < str_len ; cnt++)
+          {
+            char c= val[cnt];
+            if (c == NAMES_SEP_CHAR)
+              val[cnt]= ',';
+          }
 	  tmp.append(*pos);
 	  tmp.append(NAMES_SEP_CHAR);
 	}
diff --git a/strings/CHARSET_INFO.txt b/strings/CHARSET_INFO.txt
index 40f171440a4..1336d5ae3bb 100644
--- a/strings/CHARSET_INFO.txt
+++ b/strings/CHARSET_INFO.txt
@@ -33,7 +33,7 @@ typedef struct charset_info_st
   uint      strxfrm_multiply;
   uint      mbminlen;
   uint      mbmaxlen;
-  char      max_sort_char; /* For LIKE optimization */
+  uint16    max_sort_char; /* For LIKE optimization */
 
   MY_CHARSET_HANDLER *cset;
   MY_COLLATION_HANDLER *coll;
@@ -134,7 +134,15 @@ Misc fields
   mbmaxlen         - maximum multibyte sequence length.
                      1 for 8bit charsets. Can be also 2 or 3.
 
-
+  max_sort_char    - for LIKE range
+                     in case of 8bit character sets - native code
+		     of maximum character (max_str pad byte);
+                     in case of UTF8 and UCS2 - Unicode code of the maximum
+		     possible character (usually U+FFFF). This code is
+		     converted to multibyte representation (usually 0xEFBFBF)
+		     and then used as a pad sequence for max_str.
+		     in case of other multibyte character sets -
+		     max_str pad byte (usually 0xFF).
 
 MY_CHARSET_HANDLER
 ==================
diff --git a/strings/ctype-mb.c b/strings/ctype-mb.c
index 898b7a4a57d..c945164ac9c 100644
--- a/strings/ctype-mb.c
+++ b/strings/ctype-mb.c
@@ -474,15 +474,35 @@ static void my_hash_sort_mb_bin(CHARSET_INFO *cs __attribute__((unused)),
 
 
 /* 
-  Write max key: create a buffer with multibyte
-  representation of the max_sort_char character,
-  and copy it into max_str in a loop. 
+  Fill the given buffer with 'maximum character' for given charset
+  SYNOPSIS
+      pad_max_char()
+      cs   Character set
+      str  Start of buffer to fill
+      end  End of buffer to fill
+
+  DESCRIPTION
+      Write max key:
+      - for non-Unicode character sets:
+        just set to 255.
+      - for Unicode character set (utf-8):
+        create a buffer with multibyte representation of the max_sort_char
+        character, and copy it into max_str in a loop. 
 */
 static void pad_max_char(CHARSET_INFO *cs, char *str, char *end)
 {
   char buf[10];
-  char buflen= cs->cset->wc_mb(cs, cs->max_sort_char, (uchar*) buf,
-                               (uchar*) buf + sizeof(buf));
+  char buflen;
+  
+  if (!(cs->state & MY_CS_UNICODE))
+  {
+    bfill(str, end - str, 255);
+    return;
+  }
+  
+  buflen= cs->cset->wc_mb(cs, cs->max_sort_char, (uchar*) buf,
+                          (uchar*) buf + sizeof(buf));
+  
   DBUG_ASSERT(buflen > 0);
   do
   {
@@ -943,7 +963,7 @@ MY_COLLATION_HANDLER my_collation_mb_bin_handler =
     my_strnncollsp_mb_bin,
     my_strnxfrm_mb_bin,
     my_strnxfrmlen_simple,
-    my_like_range_simple,
+    my_like_range_mb,
     my_wildcmp_mb_bin,
     my_strcasecmp_mb_bin,
     my_instr_mb,
diff --git a/strings/ctype-utf8.c b/strings/ctype-utf8.c
index e221297eb55..6c3ceaf868b 100644
--- a/strings/ctype-utf8.c
+++ b/strings/ctype-utf8.c
@@ -2615,7 +2615,7 @@ CHARSET_INFO my_charset_utf8_bin=
     1,                  /* mbminlen     */
     3,                  /* mbmaxlen     */
     0,                  /* min_sort_char */
-    255,                /* max_sort_char */
+    0xFFFF,             /* max_sort_char */
     ' ',                /* pad char      */
     0,                  /* escape_with_backslash_is_dangerous */
     &my_charset_utf8_handler,