Merge bk-internal.mysql.com:/home/bk/mysql-5.0

into  shellback.(none):/home/msvensson/mysql/mysql-5.0

libmysql/libmysql.c

@@ -1386,35 +1386,6 @@ mysql_get_server_info(MYSQL *mysql)
 }
 
 
-/*
-  Get version number for server in a form easy to test on
-
-  SYNOPSIS
-    mysql_get_server_version()
-    mysql		Connection
-
-  EXAMPLE
-    4.1.0-alfa ->  40100
-  
-  NOTES
-    We will ensure that a newer server always has a bigger number.
-
-  RETURN
-   Signed number > 323000
-*/
-
-ulong STDCALL
-mysql_get_server_version(MYSQL *mysql)
-{
-  uint major, minor, version;
-  char *pos= mysql->server_version, *end_pos;
-  major=   (uint) strtoul(pos, &end_pos, 10);	pos=end_pos+1;
-  minor=   (uint) strtoul(pos, &end_pos, 10);	pos=end_pos+1;
-  version= (uint) strtoul(pos, &end_pos, 10);
-  return (ulong) major*10000L+(ulong) (minor*100+version);
-}
-
-
 const char * STDCALL
 mysql_get_host_info(MYSQL *mysql)
 {

mysql-test/r/ctype_latin1.result

@@ -369,3 +369,25 @@ ERROR 42000: You have an error in your SQL syntax; check the manual that corresp
 SELECT 'a' as str;
 str
 a
+set @str= _latin1 'ABC ߲~    @ abc';
+SELECT convert(@str collate latin1_bin using utf8);
+convert(@str collate latin1_bin using utf8)
+ABC ߲~    @ abc
+SELECT convert(@str collate latin1_general_ci using utf8);
+convert(@str collate latin1_general_ci using utf8)
+ABC ߲~    @ abc
+SELECT convert(@str collate latin1_german1_ci using utf8);
+convert(@str collate latin1_german1_ci using utf8)
+ABC ߲~    @ abc
+SELECT convert(@str collate latin1_danish_ci using utf8);
+convert(@str collate latin1_danish_ci using utf8)
+ABC ߲~    @ abc
+SELECT convert(@str collate latin1_spanish_ci using utf8);
+convert(@str collate latin1_spanish_ci using utf8)
+ABC ߲~    @ abc
+SELECT convert(@str collate latin1_german2_ci using utf8);
+convert(@str collate latin1_german2_ci using utf8)
+ABC ߲~    @ abc
+SELECT convert(@str collate latin1_swedish_ci using utf8);
+convert(@str collate latin1_swedish_ci using utf8)
+ABC ߲~    @ abc

mysql-test/r/view.result

@@ -2562,3 +2562,20 @@ my_sqrt
 1.4142135623731
 DROP VIEW v1;
 DROP TABLE t1;
+CREATE TABLE t1 (id int PRIMARY KEY);
+CREATE TABLE t2 (id int PRIMARY KEY);
+INSERT INTO t1 VALUES (1), (3);
+INSERT INTO t2 VALUES (1), (2), (3);
+CREATE VIEW v2 AS SELECT * FROM t2;
+SELECT COUNT(*) FROM t1 LEFT JOIN t2 ON t1.id=t2.id;
+COUNT(*)
+2
+SELECT * FROM t1 LEFT JOIN t2 ON t1.id=t2.id;
+id	id
+1	1
+3	3
+SELECT COUNT(*) FROM t1 LEFT JOIN v2 ON t1.id=v2.id;
+COUNT(*)
+2
+DROP VIEW v2;
+DROP TABLE t1, t2;

mysql-test/t/ctype_latin1.test

@@ -95,4 +95,18 @@ SET collation_connection='latin1_bin';
 CREATE TABLE a (a int);
 SELECT 'a' as str;
 
+
+#
+# Bug#18321: Can't store EuroSign with latin1_german1_ci and latin1_general_ci
+# The problem was in latin1->utf8->latin1 round trip.
+#
+set @str= _latin1 'ABC ߲~    @ abc';
+SELECT convert(@str collate latin1_bin using utf8);
+SELECT convert(@str collate latin1_general_ci using utf8);
+SELECT convert(@str collate latin1_german1_ci using utf8);
+SELECT convert(@str collate latin1_danish_ci using utf8);
+SELECT convert(@str collate latin1_spanish_ci using utf8);
+SELECT convert(@str collate latin1_german2_ci using utf8);
+SELECT convert(@str collate latin1_swedish_ci using utf8);
+
 # End of 4.1 tests

mysql-test/t/view.test

@@ -2413,3 +2413,24 @@ SELECT my_sqrt FROM v1 ORDER BY my_sqrt;
 
 DROP VIEW v1;
 DROP TABLE t1;
+
+#
+# Bug #18237: invalid count optimization applied to an outer join with a view 
+#             
+
+CREATE TABLE t1 (id int PRIMARY KEY);
+CREATE TABLE t2 (id int PRIMARY KEY);
+
+INSERT INTO t1 VALUES (1), (3);
+INSERT INTO t2 VALUES (1), (2), (3);
+
+CREATE VIEW v2 AS SELECT * FROM t2;
+
+SELECT COUNT(*) FROM t1 LEFT JOIN t2 ON t1.id=t2.id;
+SELECT * FROM t1 LEFT JOIN t2 ON t1.id=t2.id;
+
+SELECT COUNT(*) FROM t1 LEFT JOIN v2 ON t1.id=v2.id;
+
+DROP VIEW v2;
+
+DROP TABLE t1, t2;

sql-common/client.c

@@ -2817,6 +2817,36 @@ const char * STDCALL mysql_error(MYSQL *mysql)
   return mysql->net.last_error;
 }
 
+
+/*
+  Get version number for server in a form easy to test on
+
+  SYNOPSIS
+    mysql_get_server_version()
+    mysql		Connection
+
+  EXAMPLE
+    4.1.0-alfa ->  40100
+  
+  NOTES
+    We will ensure that a newer server always has a bigger number.
+
+  RETURN
+   Signed number > 323000
+*/
+
+ulong STDCALL
+mysql_get_server_version(MYSQL *mysql)
+{
+  uint major, minor, version;
+  char *pos= mysql->server_version, *end_pos;
+  major=   (uint) strtoul(pos, &end_pos, 10);	pos=end_pos+1;
+  minor=   (uint) strtoul(pos, &end_pos, 10);	pos=end_pos+1;
+  version= (uint) strtoul(pos, &end_pos, 10);
+  return (ulong) major*10000L+(ulong) (minor*100+version);
+}
+
+
 /* 
    mysql_set_character_set function sends SET NAMES cs_name to
    the server (which changes character_set_client, character_set_result
@@ -2836,6 +2866,9 @@ int STDCALL mysql_set_character_set(MYSQL *mysql, const char *cs_name)
   {
     char buff[MY_CS_NAME_SIZE + 10];
     charsets_dir= save_csdir;
+    /* Skip execution of "SET NAMES" for pre-4.1 servers */
+    if (mysql_get_server_version(mysql) < 40100)
+      return 0;
     sprintf(buff, "SET NAMES %s", cs_name);
     if (!mysql_real_query(mysql, buff, strlen(buff)))
     {

sql/field.h

@@ -986,20 +986,23 @@ public:
 
 class Field_string :public Field_longstr {
 public:
+  bool can_alter_field_type;
   Field_string(char *ptr_arg, uint32 len_arg,uchar *null_ptr_arg,
 	       uchar null_bit_arg,
 	       enum utype unireg_check_arg, const char *field_name_arg,
 	       struct st_table *table_arg, CHARSET_INFO *cs)
     :Field_longstr(ptr_arg, len_arg, null_ptr_arg, null_bit_arg,
-                   unireg_check_arg, field_name_arg, table_arg, cs) {};
+                   unireg_check_arg, field_name_arg, table_arg, cs),
+     can_alter_field_type(1) {};
   Field_string(uint32 len_arg,bool maybe_null_arg, const char *field_name_arg,
                struct st_table *table_arg, CHARSET_INFO *cs)
     :Field_longstr((char*) 0, len_arg, maybe_null_arg ? (uchar*) "": 0, 0,
-                   NONE, field_name_arg, table_arg, cs) {};
+                   NONE, field_name_arg, table_arg, cs),
+     can_alter_field_type(1) {};
 
   enum_field_types type() const
   {
-    return ((orig_table &&
+    return ((can_alter_field_type && orig_table &&
              orig_table->s->db_create_options & HA_OPTION_PACK_RECORD &&
 	     field_length >= 4) &&
             orig_table->s->frm_version < FRM_VER_TRUE_VARCHAR ?

sql/opt_sum.cc

@@ -96,8 +96,14 @@ int opt_sum_query(TABLE_LIST *tables, List<Item> &all_fields,COND *conds)
   */
   for (TABLE_LIST *tl= tables; tl; tl= tl->next_leaf)
   {
+    TABLE_LIST *embedded;
+    for (embedded= tl ; embedded; embedded= embedded->embedding)
+    {
+      if (embedded->on_expr)
+        break;
+    }
+    if (embedded)
     /* Don't replace expression on a table that is part of an outer join */
-    if (tl->on_expr)
     {
       outer_tables|= tl->table->map;
 

sql/sql_update.cc

@@ -1093,6 +1093,11 @@ multi_update::initialize_tables(JOIN *join)
     /* ok to be on stack as this is not referenced outside of this func */
     Field_string offset(table->file->ref_length, 0, "offset",
 			table, &my_charset_bin);
+    /*
+      The field will be converted to varstring when creating tmp table if
+      table to be updated was created by mysql 4.1. Deny this.
+    */
+    offset.can_alter_field_type= 0;
     if (!(ifield= new Item_field(((Field *) &offset))))
       DBUG_RETURN(1);
     ifield->maybe_null= 0;

strings/conf_to_src.c

@@ -22,7 +22,7 @@
 
 #define ROW_LEN		16
 #define ROW16_LEN	8
-#define MAX_BUF		16*1024
+#define MAX_BUF		64*1024
 
 static CHARSET_INFO all_charsets[256];
 
@@ -156,6 +156,7 @@ static int my_read_charset_file(const char *filename)
   }
   
   len=read(fd,buf,MAX_BUF);
+  DBUG_ASSERT(len < MAX_BUF);
   close(fd);
   
   if (my_parse_charset_xml(buf,len,add_collation))