Merge sinisa@work.mysql.com:/home/bk/mysql-4.1

into sinisa.nasamreza.org:/mnt/work/mysql-4.1


sql/sql_lex.h:
  Auto merged
sql/sql_parse.cc:
  Auto merged

Docs/world.sql

@@ -4334,7 +4334,7 @@ INSERT INTO Country VALUES ('SWZ','Swaziland','Africa','Southern Africa',17364.0
 INSERT INTO Country VALUES ('CHE','Switzerland','Europe','Western Europe',41284.00,1499,7160400,79.6,264478.00,256092.00,'Schweiz/Suisse/Svizzera/Svizra','Federation','Adolf Ogi',3248,'CH');
 INSERT INTO Country VALUES ('SYR','Syria','Asia','Middle East',185180.00,1941,16125000,68.5,65984.00,64926.00,'Suriya','Republic','Bashar al-Assad',3250,'SY');
 INSERT INTO Country VALUES ('TJK','Tajikistan','Asia','Southern and Central Asia',143100.00,1991,6188000,64.1,1990.00,1056.00,'Toikiston','Republic','Emomali Rahmonov',3261,'TJ');
-INSERT INTO Country VALUES ('TWN','Taiwan, Province of China','Asia','Eastern Asia',36188.00,1945,22256000,76.4,256254.00,263451.00,'Tai-wan','Republic','Chen Shui-bian',3263,'TW');
+INSERT INTO Country VALUES ('TWN','Taiwan','Asia','Eastern Asia',36188.00,1945,22256000,76.4,256254.00,263451.00,'Tai-wan','Republic','Chen Shui-bian',3263,'TW');
 INSERT INTO Country VALUES ('TZA','Tanzania','Africa','Eastern Africa',883749.00,1961,33517000,52.3,8005.00,7388.00,'Tanzania','Republic','Benjamin William Mkapa',3306,'TZ');
 INSERT INTO Country VALUES ('DNK','Denmark','Europe','Nordic Countries',43094.00,800,5330000,76.5,174099.00,169264.00,'Danmark','Constitutional Monarchy','Margrethe II',3315,'DK');
 INSERT INTO Country VALUES ('THA','Thailand','Asia','Southeast Asia',513115.00,1350,61399000,68.6,116416.00,153907.00,'Prathet Thai','Constitutional Monarchy','Bhumibol Adulyadej',3320,'TH');

VC++Files/client/mysqlclient.dsp

@@ -136,6 +136,10 @@ SOURCE="..\strings\ctype-latin1_de.c"
 # End Source File
 # Begin Source File
 
+SOURCE="..\strings\ctype-simple.c"
+# End Source File
+# Begin Source File
+
 SOURCE="..\strings\ctype-sjis.c"
 # End Source File
 # Begin Source File

VC++Files/fix-project-files

+#!/bin/sh
+
+#
+# Change linefeed -> return+linefeed for all VC++ project files
+# 
+
+find . \( -name "*.dsp" -o -name "*.dsw" \) -print | grep -v "SCCS" | xargs replace '\r\$' '
' '\$' '
' --

VC++Files/libmysql/libmysql.dsp

@@ -147,6 +147,10 @@ SOURCE="..\strings\ctype-latin1_de.c"
 # End Source File
 # Begin Source File
 
+SOURCE="..\strings\ctype-simple.c"
+# End Source File
+# Begin Source File
+
 SOURCE="..\strings\ctype-sjis.c"
 # End Source File
 # Begin Source File
@@ -256,6 +260,7 @@ SOURCE=..\mysys\my_alloc.c
 # Begin Source File
 
 SOURCE=..\mysys\my_compress.c
+# ADD CPP /I "../zlib"
 # End Source File
 # Begin Source File
 

VC++Files/libmysqld/libmysqld.dsp

@@ -43,8 +43,7 @@ RSC=rc.exe
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 # ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "LIBMYSQLD_EXPORTS" /YX /FD /c
-# ADD CPP /nologo /G6 /MT /W3 /O2 /I "../include" /I "../regex" /I "../sql" /I "../bdb/build_win32" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "USE_SYMDIR" /D "SIGNAL_WITH_VIO_CLOSE" /D "HAVE_DLOPEN" /D "EMBEDDED_LIBRARY" /D "HAVE_INNOBASE_DB" /D "DBUG_OFF" /D "USE_TLS" /D "__WIN__" /FR /FD /c
-# ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32
+# ADD CPP /nologo /G6 /MT /W3 /O2 /I "../include" /I "../regex" /I "../sql" /I "../bdb/build_win32" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "USE_SYMDIR" /D "SIGNAL_WITH_VIO_CLOSE" /D "HAVE_DLOPEN" /D "EMBEDDED_LIBRARY" /D "HAVE_INNOBASE_DB" /D "DBUG_OFF" /D "USE_TLS" /D "__WIN__" /FR /FD /mktyplib203 /win32 # ADD BASE MTL /c
 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32
 # ADD BASE RSC /l 0x416 /d "NDEBUG"
 # ADD RSC /l 0x416 /d "NDEBUG"
@@ -53,8 +52,7 @@ BSC32=bscmake.exe
 # ADD BSC32 /nologo
 LINK32=link.exe
 # ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /machine:I386
-# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib Wsock32.lib ..\lib_release\myisam.lib ..\lib_release\myisammrg.lib ..\lib_release\mysys.lib ..\lib_release\strings.lib ..\lib_release\regex.lib ..\lib_release\heap.lib ..\lib_release\innodb.lib ..\lib_release\bdb.lib ..\lib_release\zlib.lib /nologo /dll /machine:I386 /out:"../lib_release/libmysqld.dll" /implib:"../lib_release/libmysqld.lib"
-# SUBTRACT LINK32 /pdb:none
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib Wsock32.lib ..\lib_release\myisam.lib ..\lib_release\myisammrg.lib ..\lib_release\mysys.lib ..\lib_release\strings.lib ..\lib_release\regex.lib ..\lib_release\heap.lib ..\lib_release\innodb.lib ..\lib_release\bdb.lib ..\lib_release\zlib.lib # SUBTRACT LINK32 /nologo /dll /pdb:none /machine:I386 /out:"../lib_release/libmysqld.dll" /implib:"../lib_release/libmysqld.lib"
 
 !ELSEIF  "$(CFG)" == "libmysqld - Win32 Debug"
 
@@ -70,8 +68,7 @@ LINK32=link.exe
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 # ADD BASE CPP /nologo /MTd /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "LIBMYSQLD_EXPORTS" /YX /FD /GZ /c
-# ADD CPP /nologo /MT /W3 /Gm /Zi /Od /I "../include" /I "../sql" /I "../regex" /I "../bdb/build_win32" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "HAVE_BERKELEY_DB" /D "USE_SYMDIR" /D "SIGNAL_WITH_VIO_CLOSE" /D "HAVE_DLOPEN" /D "EMBEDDED_LIBRARY" /D "HAVE_INNOBASE_DB" /D "USE_TLS" /D "__WIN__" /FD /GZ /c
-# ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32
+# ADD CPP /nologo /MT /W3 /Gm /Zi /Od /I "../include" /I "../sql" /I "../regex" /I "../bdb/build_win32" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "HAVE_BERKELEY_DB" /D "USE_SYMDIR" /D "SIGNAL_WITH_VIO_CLOSE" /D "HAVE_DLOPEN" /D "EMBEDDED_LIBRARY" /D "HAVE_INNOBASE_DB" /D "USE_TLS" /D "__WIN__" /FD /GZ /mktyplib203 /win32 # ADD BASE MTL /c
 # ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32
 # ADD BASE RSC /l 0x416 /d "_DEBUG"
 # ADD RSC /l 0x416 /d "_DEBUG"
@@ -80,8 +77,7 @@ BSC32=bscmake.exe
 # ADD BSC32 /nologo
 LINK32=link.exe
 # ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /debug /machine:I386 /pdbtype:sept
-# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib Wsock32.lib ..\lib_debug\dbug.lib ..\lib_debug\mysys.lib ..\lib_debug\strings.lib ..\lib_debug\regex.lib ..\lib_debug\heap.lib  ..\lib_debug\innodb.lib /nologo /dll /incremental:no /debug /machine:I386 /nodefaultlib:"LIBCMTD" /out:"../lib_debug/libmysqld.dll" /implib:"../lib_debug/libmysqld.lib" /pdbtype:sept
-# SUBTRACT LINK32 /pdb:none
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib Wsock32.lib ..\lib_debug\dbug.lib ..\lib_debug\mysys.lib ..\lib_debug\strings.lib ..\lib_debug\regex.lib ..\lib_debug\heap.lib ..\lib_debug\innodb.lib # SUBTRACT LINK32 /nologo /dll /pdb:none /debug /machine:I386 /nodefaultlib:"LIBCMTD" /out:"../lib_debug/libmysqld.dll" /implib:"../lib_debug/libmysqld.lib"
 
 !ENDIF 
 
@@ -119,6 +115,10 @@ SOURCE=..\libmysql\get_password.c
 # End Source File
 # Begin Source File
 
+SOURCE=..\sql\gstream.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=..\sql\ha_berkeley.cpp
 # End Source File
 # Begin Source File
@@ -176,6 +176,7 @@ SOURCE=..\sql\item_create.cpp
 # Begin Source File
 
 SOURCE=..\sql\item_func.cpp
+# ADD CPP /I "../zlib"
 # End Source File
 # Begin Source File
 
@@ -183,6 +184,10 @@ SOURCE=..\sql\item_strfunc.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=..\sql\item_subselect.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=..\sql\item_sum.cpp
 # End Source File
 # Begin Source File
@@ -271,7 +276,7 @@ SOURCE=..\sql\set_var.cpp
 # End Source File
 # Begin Source File
 
-SOURCE=..\sql\slave.cpp
+SOURCE=..\sql\spatial.cpp
 # End Source File
 # Begin Source File
 
@@ -307,10 +312,18 @@ SOURCE=..\sql\sql_delete.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=..\sql\sql_derived.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=..\sql\sql_do.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=..\sql\sql_error.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=..\sql\sql_handler.cpp
 # End Source File
 # Begin Source File
@@ -327,10 +340,6 @@ SOURCE=..\sql\sql_list.cpp
 # End Source File
 # Begin Source File
 
-SOURCE=..\sql\sql_load.cpp
-# End Source File
-# Begin Source File
-
 SOURCE=..\sql\sql_manager.cpp
 # End Source File
 # Begin Source File
@@ -343,6 +352,10 @@ SOURCE=..\sql\sql_parse.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=..\sql\sql_prepare.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=..\sql\sql_rename.cpp
 # End Source File
 # Begin Source File

VC++Files/myisam/myisam.dsp

@@ -265,8 +265,28 @@ SOURCE=.\mi_write.c
 # End Source File
 # Begin Source File
 
+SOURCE=.\rt_index.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\rt_key.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\rt_mbr.c
+# End Source File
+# Begin Source File
+
+SOURCE=.\rt_split.c
+# End Source File
+# Begin Source File
+
 SOURCE=.\sort.c
 # End Source File
+# Begin Source File
+
+SOURCE=.\sp_key.c
+# End Source File
 # End Group
 # Begin Group "Header Files"
 
@@ -279,6 +299,10 @@ SOURCE=.\ft_eval.h
 
 SOURCE=.\myisamdef.h
 # End Source File
+# Begin Source File
+
+SOURCE=.\rt_index.h
+# End Source File
 # End Group
 # End Target
 # End Project

VC++Files/mysys/mysys.dsp

@@ -326,6 +326,10 @@ SOURCE=.\my_getwd.c
 # End Source File
 # Begin Source File
 
+SOURCE=.\my_handler.c
+# End Source File
+# Begin Source File
+
 SOURCE=.\my_init.c
 # End Source File
 # Begin Source File

VC++Files/sql/mysqld.dsp

@@ -282,6 +282,10 @@ SOURCE=.\filesort.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=.\gstream.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=.\ha_berkeley.cpp
 # End Source File
 # Begin Source File
@@ -460,17 +464,25 @@ SOURCE=.\item_func.cpp
 
 !IF  "$(CFG)" == "mysqld - Win32 Release"
 
+# ADD CPP /I "../zlib"
+
 !ELSEIF  "$(CFG)" == "mysqld - Win32 Debug"
 
-# ADD CPP /G5
+# ADD CPP /G5 /I "../zlib"
 # SUBTRACT CPP /YX /Yc /Yu
 
 !ELSEIF  "$(CFG)" == "mysqld - Win32 nt"
 
+# ADD CPP /I "../zlib"
+
 !ELSEIF  "$(CFG)" == "mysqld - Win32 Max nt"
 
+# ADD CPP /I "../zlib"
+
 !ELSEIF  "$(CFG)" == "mysqld - Win32 Max"
 
+# ADD CPP /I "../zlib"
+
 !ENDIF 
 
 # End Source File
@@ -496,6 +508,10 @@ SOURCE=.\item_strfunc.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=.\item_subselect.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=.\item_sum.cpp
 
 !IF  "$(CFG)" == "mysqld - Win32 Release"
@@ -811,6 +827,10 @@ SOURCE=.\slave.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=.\spatial.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=.\sql_acl.cpp
 
 !IF  "$(CFG)" == "mysqld - Win32 Release"
@@ -927,10 +947,18 @@ SOURCE=.\sql_delete.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=.\sql_derived.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=.\sql_do.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=.\sql_error.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=.\sql_handler.cpp
 # End Source File
 # Begin Source File
@@ -1059,6 +1087,10 @@ SOURCE=.\sql_parse.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=.\sql_prepare.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=.\sql_rename.cpp
 # End Source File
 # Begin Source File

VC++Files/strings/strings.dsp

@@ -128,6 +128,10 @@ SOURCE=".\ctype-latin1_de.c"
 # End Source File
 # Begin Source File
 
+SOURCE=".\ctype-simple.c"
+# End Source File
+# Begin Source File
+
 SOURCE=".\ctype-sjis.c"
 # End Source File
 # Begin Source File

client/mysql.cc

@@ -91,8 +91,8 @@ extern "C" {
 #define vidattr(A) {}			// Can't get this to work
 #endif
 
-#ifdef __WIN__
-#define cmp_database(A,B) my_strcasecmp((A),(B))
+#ifdef FN_NO_CASE_SENCE
+#define cmp_database(A,B) my_strcasecmp(system_charset_info, (A), (B))
 #else
 #define cmp_database(A,B) strcmp((A),(B))
 #endif

heap/_check.c

@@ -116,13 +116,11 @@ static int check_one_rb_key(HP_INFO *info, uint keynr, ulong records,
 		     SEARCH_FIND | SEARCH_SAME, &not_used))
       {
 	error= 1;
-	DBUG_PRINT("error",("Record in wrong link: Link %d  Record: %lx\n", 
-		   key, recpos));
+	DBUG_PRINT("error",("Record in wrong link:  key: %d  Record: %lx\n", 
+			    keynr, recpos));
       }
       else
-      {
 	found++;
-      }
       key= tree_search_next(&keydef->rb_tree, &info->last_pos,
 			    offsetof(TREE_ELEMENT, left), 
 			    offsetof(TREE_ELEMENT, right));
@@ -130,7 +128,7 @@ static int check_one_rb_key(HP_INFO *info, uint keynr, ulong records,
   }
   if (found != records)
   {
-    DBUG_PRINT("error",("Found %ld of %ld records", found, records));
+    DBUG_PRINT("error",("Found %lu of %lu records", found, records));
     error= 1;
   }
   if (print_status)

include/mysql.h

@@ -275,7 +275,7 @@ my_ulonglong STDCALL mysql_affected_rows(MYSQL *mysql);
 my_ulonglong STDCALL mysql_insert_id(MYSQL *mysql);
 unsigned int STDCALL mysql_errno(MYSQL *mysql);
 const char * STDCALL mysql_error(MYSQL *mysql);
-uint STDCALL mysql_warning_count(MYSQL *mysql);
+unsigned int STDCALL mysql_warning_count(MYSQL *mysql);
 const char * STDCALL mysql_info(MYSQL *mysql);
 unsigned long STDCALL mysql_thread_id(MYSQL *mysql);
 const char * STDCALL mysql_character_set_name(MYSQL *mysql);
@@ -427,7 +427,7 @@ typedef struct st_mysql_bind
   /* The following are for internal use. Set by mysql_bind_param */
   long		bind_length;		/* Default length of data */
   my_bool	long_ended;		/* All data supplied for long */
-  uint		param_number;		/* For null count and error messages */
+  unsigned int	param_number;		/* For null count and error messages */
   void (*store_param_func)(NET *net, struct st_mysql_bind *param);
   char *(*fetch_result)(struct st_mysql_bind *, const char *row);
 } MYSQL_BIND;
@@ -448,7 +448,7 @@ typedef struct st_mysql_stmt
   unsigned long field_count;		/* fields count */
   unsigned long long_length;		/* long buffer alloced length */
   unsigned long	stmt_id;		/* Id for prepared statement */
-  uint		last_errno;		/* error code */
+  unsigned int	last_errno;		/* error code */
   enum MY_STMT_STATE state;		/* statement state */
   char		last_error[MYSQL_ERRMSG_SIZE]; /* error message */
   my_bool	long_alloced;		/* flag to indicate long alloced */
@@ -463,14 +463,14 @@ unsigned long STDCALL mysql_param_count(MYSQL_STMT * stmt);
 my_bool STDCALL mysql_bind_param(MYSQL_STMT * stmt, MYSQL_BIND * bind);
 my_bool STDCALL mysql_bind_result(MYSQL_STMT * stmt, MYSQL_BIND * bind);
 my_bool STDCALL mysql_stmt_close(MYSQL_STMT * stmt);
-uint STDCALL mysql_stmt_errno(MYSQL_STMT * stmt);
+unsigned int STDCALL mysql_stmt_errno(MYSQL_STMT * stmt);
 const char *STDCALL mysql_stmt_error(MYSQL_STMT * stmt);
 my_bool STDCALL mysql_commit(MYSQL * mysql);
 my_bool STDCALL mysql_rollback(MYSQL * mysql);
 my_bool STDCALL mysql_autocommit(MYSQL * mysql, my_bool auto_mode);
 int	STDCALL mysql_fetch(MYSQL_STMT *stmt);
 my_bool STDCALL mysql_send_long_data(MYSQL_STMT *stmt, 
-				     uint param_number,
+				     unsigned int param_number,
 				     const char *data, 
 				     unsigned long length,
 				     my_bool last_data);

libmysql/libmysql.def

 LIBRARY		LIBMYSQL
-DESCRIPTION	'MySQL 4.0 Client Library'
-VERSION		5.0
+DESCRIPTION	'MySQL 4.1 Client Library'
+VERSION		6.0
 EXPORTS
 	mysql_affected_rows
 	mysql_close
@@ -59,7 +59,6 @@ EXPORTS
 	list_add
 	list_delete
 	max_allowed_packet
-	my_casecmp
 	my_init
 	my_end
 	my_strdup

mysql-test/r/subselect.result

 select (select 2);
 (select 2)
 2
+SELECT (SELECT 1) UNION SELECT (SELECT 2);
+(SELECT 1)
+1
+2
 drop table if exists t1,t2,t3,t4,t5,attend,clinic,inscrit;
 create table t1 (a int);
 create table t2 (a int, b int);
@@ -50,9 +54,9 @@ explain select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)
 union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	2	where used
+2	SUBSELECT	t3	ALL	NULL	NULL	NULL	NULL	3	Using filesort
 3	UNION	t4	ALL	NULL	NULL	NULL	NULL	3	where used; Using filesort
 4	SUBSELECT	t2	ALL	NULL	NULL	NULL	NULL	2	
-2	SUBSELECT	t3	ALL	NULL	NULL	NULL	NULL	3	Using filesort
 select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
 (select a from t3 where a<t2.a*4 order by 1 desc limit 1)	a
 3	1
@@ -159,9 +163,7 @@ UNIQUE KEY `email` (`email`)
 INSERT INTO inscrit (pseudo,email) VALUES ('joce','test');
 INSERT INTO inscrit (pseudo,email) VALUES ('joce1','test1');
 INSERT INTO inscrit (pseudo,email) VALUES ('2joce1','2test1');
-EXPLAIN SELECT pseudo,(SELECT email FROM inscrit WHERE pseudo=(SELECT
-pseudo FROM inscrit WHERE pseudo='joce')) FROM inscrit WHERE pseudo=(SELECT
-pseudo FROM inscrit WHERE pseudo='joce');
+EXPLAIN SELECT pseudo,(SELECT email FROM inscrit WHERE pseudo=(SELECT pseudo FROM inscrit WHERE pseudo='joce')) FROM inscrit WHERE pseudo=(SELECT pseudo FROM inscrit WHERE pseudo='joce');
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	inscrit	const	PRIMARY	PRIMARY	35	const	1	
 4	SUBSELECT	inscrit	const	PRIMARY	PRIMARY	35	const	1	
@@ -179,3 +181,21 @@ joce
 SELECT pseudo FROM inscrit WHERE pseudo=(SELECT pseudo FROM inscrit WHERE pseudo LIKE '%joce%');
 Subselect returns more than 1 record
 drop table if exists t1,t2,t3,t4,t5,attend,clinic,inscrit;
+drop table if exists searchconthardwarefr3;
+CREATE TABLE `searchconthardwarefr3` (
+`topic` mediumint(8) unsigned NOT NULL default '0',
+`date` date NOT NULL default '0000-00-00',
+`pseudo` varchar(35) character set latin1 NOT NULL default '',
+PRIMARY KEY  (`pseudo`,`date`,`topic`),
+KEY `topic` (`topic`)
+) TYPE=MyISAM ROW_FORMAT=DYNAMIC;
+INSERT INTO searchconthardwarefr3 (topic,date,pseudo) VALUES
+('43506','2002-10-02','joce'),('40143','2002-08-03','joce');
+EXPLAIN SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03';
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	searchconthardwarefr3	index	NULL	PRIMARY	41	NULL	2	where used; Using index
+EXPLAIN SELECT (SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03');
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY								No tables used
+2	SUBSELECT	searchconthardwarefr3	index	NULL	PRIMARY	41	NULL	2	where used; Using index
+drop table searchconthardwarefr3;

mysql-test/t/subselect.test

 
 select (select 2);
+SELECT (SELECT 1) UNION SELECT (SELECT 2);
 drop table if exists t1,t2,t3,t4,t5,attend,clinic,inscrit;
 create table t1 (a int);
 create table t2 (a int, b int);
@@ -82,9 +83,7 @@ CREATE TABLE `inscrit` (
 INSERT INTO inscrit (pseudo,email) VALUES ('joce','test');
 INSERT INTO inscrit (pseudo,email) VALUES ('joce1','test1');
 INSERT INTO inscrit (pseudo,email) VALUES ('2joce1','2test1');
-EXPLAIN SELECT pseudo,(SELECT email FROM inscrit WHERE pseudo=(SELECT
-pseudo FROM inscrit WHERE pseudo='joce')) FROM inscrit WHERE pseudo=(SELECT
-pseudo FROM inscrit WHERE pseudo='joce');
+EXPLAIN SELECT pseudo,(SELECT email FROM inscrit WHERE pseudo=(SELECT pseudo FROM inscrit WHERE pseudo='joce')) FROM inscrit WHERE pseudo=(SELECT pseudo FROM inscrit WHERE pseudo='joce');
 -- error 1239
 SELECT pseudo FROM inscrit WHERE pseudo=(SELECT pseudo,email FROM
 inscrit WHERE pseudo='joce');
@@ -96,3 +95,17 @@ SELECT pseudo FROM inscrit WHERE pseudo=(SELECT pseudo FROM inscrit WHERE pseudo
 SELECT pseudo FROM inscrit WHERE pseudo=(SELECT pseudo FROM inscrit WHERE pseudo LIKE '%joce%');
 
 drop table if exists t1,t2,t3,t4,t5,attend,clinic,inscrit;
+
+drop table if exists searchconthardwarefr3;
+CREATE TABLE `searchconthardwarefr3` (
+  `topic` mediumint(8) unsigned NOT NULL default '0',
+  `date` date NOT NULL default '0000-00-00',
+  `pseudo` varchar(35) character set latin1 NOT NULL default '',
+  PRIMARY KEY  (`pseudo`,`date`,`topic`),
+  KEY `topic` (`topic`)
+) TYPE=MyISAM ROW_FORMAT=DYNAMIC;
+INSERT INTO searchconthardwarefr3 (topic,date,pseudo) VALUES
+('43506','2002-10-02','joce'),('40143','2002-08-03','joce');
+EXPLAIN SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03';
+EXPLAIN SELECT (SELECT DISTINCT date FROM searchconthardwarefr3 WHERE date='2002-08-03');
+drop table searchconthardwarefr3;
\ No newline at end of file

sql/ha_innodb.cc

@@ -3155,8 +3155,8 @@ innobase_drop_database(
 	memcpy(namebuf, ptr, len);
 	namebuf[len] = '/';
 	namebuf[len + 1] = '\0';
-#ifdef __WIN__
-	casedn_str(namebuf);
+#ifdef FN_NO_CASE_SENCE
+	my_casedn_str(system_charset_info, namebuf);
 #endif
 	trx = trx_allocate_for_mysql();
 

sql/init.cc

@@ -24,7 +24,6 @@ void unireg_init(ulong options)
 {
   uint i;
   double nr;
-  CHARSET_INFO *cs;
   DBUG_ENTER("unireg_init");
 
   MYSYS_PROGRAM_DONT_USE_CURSES();

sql/item_subselect.cc

@@ -152,9 +152,7 @@ String *Item_singleval_subselect::val_str (String *str)
     assign_null();
     return 0;
   }
-  // Assign temporary buffer with stored value
-  str_value.set(string_value, 0, string_value.length());
-  return &str_value;
+  return &string_value;
 }
 
 Item_exists_subselect::Item_exists_subselect(THD *thd,

sql/log.cc

@@ -973,7 +973,6 @@ bool MYSQL_LOG::write(THD *thd,enum enum_server_command command,
 	last_time=skr;
 	struct tm tm_tmp;
 	struct tm *start;
-	ulong length;
 	localtime_r(&skr,&tm_tmp);
 	start=&tm_tmp;
 	/* Note that my_b_write() assumes it knows the length for this */

sql/mysql_priv.h

@@ -392,6 +392,8 @@ int mysql_select(THD *thd,TABLE_LIST *tables,List<Item> &list,COND *conds,
 		 SELECT_LEX_UNIT *unit, SELECT_LEX *select_lex,
 		 bool fake_select_lex);
 void fix_tables_pointers(SELECT_LEX *select_lex);
+int mysql_explain_union(THD *thd, SELECT_LEX_UNIT *unit,
+			select_result *result);
 int mysql_explain_select(THD *thd, SELECT_LEX *sl, char const *type,
 			 select_result *result);
 int mysql_union(THD *thd, LEX *lex,select_result *result);

sql/net_pkg.cc

@@ -273,12 +273,12 @@ send_eof(THD *thd, bool no_flush)
   {
     if (!no_flush && (thd->client_capabilities & CLIENT_PROTOCOL_41))
     {
-      char buff[5];
+      uchar buff[5];
       uint tmp= min(thd->total_warn_count, 65535);
       buff[0]=254;
       int2store(buff+1, tmp);
       int2store(buff+3, 0);			// No flags yet
-      VOID(my_net_write(net,buff,5));
+      VOID(my_net_write(net,(char*) buff,5));
       VOID(net_flush(net));
     }
     else

sql/sql_db.cc

@@ -69,7 +69,6 @@ static bool write_db_opt(const char *path, HA_CREATE_INFO *create)
       error=0;
     my_close(file,MYF(0));
   }
-exit:
   return error;
 }
 
@@ -104,7 +103,7 @@ static bool load_db_opt(const char *path, HA_CREATE_INFO *create)
     IO_CACHE cache;
     init_io_cache(&cache, file, IO_SIZE, READ_CACHE, 0, 0, MYF(0));
 
-    while ((int) (nbytes= my_b_gets(&cache, (byte*) buf, sizeof(buf))) > 0)
+    while ((int) (nbytes= my_b_gets(&cache, (char*) buf, sizeof(buf))) > 0)
     {
       char *pos= buf+nbytes-1;
       /* Remove end space and control characters */
@@ -251,10 +250,8 @@ int mysql_create_db(THD *thd, char *db, HA_CREATE_INFO *create_info,
 int mysql_alter_db(THD *thd, const char *db, HA_CREATE_INFO *create_info)
 {
   char path[FN_REFLEN+16];
-  MY_DIR *dirp;
   long result=1;
   int error = 0;
-  register File file;
   uint create_options = create_info ? create_info->options : 0;
   DBUG_ENTER("mysql_alter_db");
 
@@ -602,7 +599,7 @@ bool mysql_change_db(THD *thd, const char *name)
 
 int mysqld_show_create_db(THD *thd, const char *dbname)
 {
-  int length, db_length;
+  int length;
   char	path[FN_REFLEN], *to;
   uint db_access;
   bool found_libchar;

sql/sql_lex.cc

@@ -955,6 +955,7 @@ void st_select_lex::init_query()
   table_list.first= 0; 
   table_list.next= (byte**) &table_list.first;
   item_list.empty();
+  join= 0;
 }
 
 void st_select_lex::init_select()
@@ -973,7 +974,6 @@ void st_select_lex::init_select()
   ftfunc_list= &ftfunc_list_alloc;
   linkage= UNSPECIFIED_TYPE;
   depended= having_fix_field= 0;
-  
 }
 
 /*

sql/sql_lex.h

@@ -210,7 +210,7 @@ class st_select_lex_node {
    SELECT_LEX_UNIT - unit of selects (UNION, INTERSECT, ...) group 
    SELECT_LEXs
 */
-class st_lex;
+struct st_lex;
 class st_select_lex;
 class THD;
 class select_result;

sql/sql_parse.cc

@@ -1287,6 +1287,7 @@ mysql_execute_command(THD *thd)
   int	res= 0;
   LEX	*lex= &thd->lex;
   TABLE_LIST *tables= (TABLE_LIST*) lex->select_lex.table_list.first;
+  TABLE_LIST *cursor;
   SELECT_LEX *select_lex= &lex->select_lex;
   SELECT_LEX_UNIT *unit= &lex->unit;
   DBUG_ENTER("mysql_execute_command");
@@ -1343,7 +1344,7 @@ mysql_execute_command(THD *thd)
       DBUG_VOID_RETURN;
     }
     //check rights
-    for (TABLE_LIST *cursor= tables;
+    for (cursor= tables;
 	 cursor;
 	 cursor= cursor->next)
       if (cursor->derived)
@@ -1361,7 +1362,7 @@ mysql_execute_command(THD *thd)
       }
     thd->send_explain_fields(explain_result);
     // EXPLAIN derived tables
-    for (TABLE_LIST *cursor= tables;
+    for (cursor= tables;
 	 cursor;
 	 cursor= cursor->next)
       if (cursor->derived)
@@ -1468,24 +1469,7 @@ mysql_execute_command(THD *thd)
 	  else
 	    thd->send_explain_fields(explain_result);
 	fix_tables_pointers(select_lex);
-	for ( SELECT_LEX *sl= select_lex;
-	     sl && res == 0;
-	     sl= sl->next_select_in_list())
-	{
-	  SELECT_LEX *first= sl->master_unit()->first_select();
-	  res= mysql_explain_select(thd, sl,
-				    ((select_lex==sl)?
-				     ((sl->next_select_in_list())?"PRIMARY":
-				       "SIMPLE"):
-				     ((sl == first)?
-				      ((sl->depended)?"DEPENDENT SUBSELECT":
-				       "SUBSELECT"):
-				      ((sl->depended)?"DEPENDENT UNION":
-				       "UNION"))),
-				    explain_result);
-	}
-	if (res > 0)
-	  res= -res; // mysql_explain_select do not report error
+	res= mysql_explain_union(thd, &thd->lex.unit, explain_result);
 	MYSQL_LOCK *save_lock= thd->lock;
 	thd->lock= (MYSQL_LOCK *)0;
 	explain_result->send_eof();

sql/sql_prepare.cc

@@ -634,7 +634,6 @@ bool mysql_stmt_prepare(THD *thd, char *packet, uint packet_length)
 {
   MEM_ROOT thd_root = thd->mem_root;
   PREP_STMT stmt;
-  bool error;
   DBUG_ENTER("mysql_stmt_prepare");
 
   bzero((char*) &stmt, sizeof(stmt));

sql/sql_select.cc

@@ -171,7 +171,7 @@ int handle_select(THD *thd, LEX *lex, select_result *result)
     result->abort();
   if (res || thd->net.report_error)
   {
-    send_error(thd, 0, MYF(0));
+    send_error(thd, 0, NullS);
     res= 1;
   }
   delete result;
@@ -1018,9 +1018,25 @@ mysql_select(THD *thd, TABLE_LIST *tables, List<Item> &fields, COND *conds,
 	     SELECT_LEX_UNIT *unit, SELECT_LEX *select_lex,
 	     bool fake_select_lex)
 {
-  JOIN *join = new JOIN(thd, fields, select_options, result);
-
   DBUG_ENTER("mysql_select");
+
+  bool free_join= 1;
+  JOIN *join;
+  if (!fake_select_lex && select_lex->join != 0)
+  {
+    //here is EXPLAIN of subselect or derived table
+    join= select_lex->join;
+    join->result= result;
+    if (!join->procedure && result->prepare(join->fields_list, unit))
+    {
+      DBUG_RETURN(-1);
+    }
+    join->select_options= select_options;
+    free_join= 0;
+  }
+  else
+  {
+    join= new JOIN(thd, fields, select_options, result);
     thd->proc_info="init";
     thd->used_tables=0;                         // Updated by setup_fields
 
@@ -1029,25 +1045,33 @@ mysql_select(THD *thd, TABLE_LIST *tables, List<Item> &fields, COND *conds,
     {
       DBUG_RETURN(-1);
     }
-  switch (join->optimize()) {
+  }
+
+  switch (join->optimize()) 
+  {
   case 1:
     DBUG_RETURN(join->error);
   case -1:
     goto err;
   } 
 
-  if (join->global_optimize())
+  if (free_join && join->global_optimize())
     goto err;
 
   join->exec();
 
 err:
+  if (free_join)
+  {
     thd->limit_found_rows = join->send_records;
     thd->examined_row_count = join->examined_rows;
     thd->proc_info="end";
     int error= (fake_select_lex?0:join->cleanup(thd)) || thd->net.report_error;
     delete join;
     DBUG_RETURN(error);
+  }
+  else
+    DBUG_RETURN(0);
 }
 
 /*****************************************************************************
@@ -3605,6 +3629,7 @@ Field *create_tmp_field(THD *thd, TABLE *table,Item *item, Item::Type type,
   case Item::COND_ITEM:
   case Item::FIELD_AVG_ITEM:
   case Item::FIELD_STD_ITEM:
+  case Item::SUBSELECT_ITEM:
     /* The following can only happen with 'CREATE TABLE ... SELECT' */
   case Item::INT_ITEM:
   case Item::REAL_ITEM:
@@ -7176,7 +7201,6 @@ static void select_describe(JOIN *join, bool need_tmp_table, bool need_order,
 			    bool distinct,const char *message)
 {
   List<Item> field_list;
-  Item *item;
   List<Item> item_list;
   THD *thd=join->thd;
   SELECT_LEX *select_lex = &(join->thd->lex.select_lex);
@@ -7190,7 +7214,7 @@ static void select_describe(JOIN *join, bool need_tmp_table, bool need_order,
 
   if (message)
   {
-    item_list.push_back(new Item_int((int)thd->lex.select->select_number));
+    item_list.push_back(new Item_int((int32) thd->lex.select->select_number));
     item_list.push_back(new Item_string(thd->lex.select->type,
 					strlen(thd->lex.select->type),
 					default_charset_info));
@@ -7217,7 +7241,7 @@ static void select_describe(JOIN *join, bool need_tmp_table, bool need_order,
       tmp2.length(0);
 
       item_list.empty();
-      item_list.push_back(new Item_int((int)thd->lex.select->select_number));
+      item_list.push_back(new Item_int((int32) thd->lex.select->select_number));
       item_list.push_back(new Item_string(thd->lex.select->type,
 					  strlen(thd->lex.select->type),
 					  default_charset_info));
@@ -7365,9 +7389,43 @@ static void select_describe(JOIN *join, bool need_tmp_table, bool need_order,
 	result->send_error(0,NullS);
     }
   }
+  for (SELECT_LEX_UNIT *unit= join->select_lex->first_inner_unit();
+       unit;
+       unit= unit->next_unit())
+  {
+    if (mysql_explain_union(thd, unit, result))
+      DBUG_VOID_RETURN;
+  }
   DBUG_VOID_RETURN;
 }
 
+int mysql_explain_union(THD *thd, SELECT_LEX_UNIT *unit, select_result *result)
+{
+  int res= 0;
+  SELECT_LEX *first= unit->first_select();
+  for (SELECT_LEX *sl= first;
+       sl;
+       sl= sl->next_select())
+  {
+    res= mysql_explain_select(thd, sl,
+			      (((&thd->lex.select_lex)==sl)?
+			       ((sl->next_select_in_list())?"PRIMARY":
+				"SIMPLE"):
+			       ((sl == first)?
+				((sl->depended)?"DEPENDENT SUBSELECT":
+				 "SUBSELECT"):
+				((sl->depended)?"DEPENDENT UNION":
+				 "UNION"))),
+			      result);
+    if (res)
+      break;
+
+  }
+  if (res > 0)
+    res= -res; // mysql_explain_select do not report error
+  return res;
+}
+
 int mysql_explain_select(THD *thd, SELECT_LEX *select_lex, char const *type, 
 			 select_result *result)
 {

sql/sql_show.cc

@@ -230,7 +230,7 @@ int mysqld_show_table_types(THD *thd)
     const char *option_name= show_comp_option_name[(int) *types->value];
 
     if (*types->value == SHOW_OPTION_YES &&
-	!strcasecmp(default_type_name, types->type))
+	!my_strcasecmp(system_charset_info, default_type_name, types->type))
       option_name= "DEFAULT";
     net_store_data(packet, option_name);
     net_store_data(packet, types->comment);
@@ -1398,7 +1398,6 @@ void mysqld_list_processes(THD *thd,const char *user, bool verbose)
 
 int mysqld_show_charsets(THD *thd, const char *wild)
 {
-  uint i;
   char buff[8192];
   String packet2(buff,sizeof(buff),default_charset_info);
   List<Item> field_list;
@@ -1425,7 +1424,7 @@ int mysqld_show_charsets(THD *thd, const char *wild)
       net_store_data(&packet2,convert,cs[0]->name);
       net_store_data(&packet2,(uint32) cs[0]->number);
       net_store_data(&packet2,(uint32) cs[0]->strxfrm_multiply);
-      net_store_data(&packet2,(uint32) cs[0]->mbmaxlen ? cs[0]->mbmaxlen : 1);
+      net_store_data(&packet2,(uint32) (cs[0]->mbmaxlen ? cs[0]->mbmaxlen : 1));
 
       if (my_net_write(&thd->net, (char*) packet2.ptr(),packet2.length()))
          goto err;

sql/sql_union.cc

@@ -116,7 +116,7 @@ int st_select_lex_unit::prepare(THD *thd, select_result *result)
   TMP_TABLE_PARAM tmp_table_param;
   this->thd= thd;
   this->result= result;
-  SELECT_LEX *lex_select_save= thd->lex.select;
+  SELECT_LEX *lex_select_save= thd->lex.select, *sl;
 
   /* Global option */
   if (((void*)(global_parameters)) == ((void*)this))
@@ -184,7 +184,7 @@ int st_select_lex_unit::prepare(THD *thd, select_result *result)
 
   // prepare selects
   joins.empty();
-  for (SELECT_LEX *sl= first_select(); sl; sl= sl->next_select())
+  for (sl= first_select(); sl; sl= sl->next_select())
   {
     JOIN *join= new JOIN(thd, sl->item_list, 
 			 sl->options | thd->options | SELECT_NO_UNLOCK |