manual merge

config/ac-macros/ha_ndbcluster.m4

@@ -330,41 +330,11 @@ AC_DEFUN([MYSQL_SETUP_NDBCLUSTER], [
   AC_SUBST([NDB_SIZEOF_LONG])
   AC_SUBST([NDB_SIZEOF_LONG_LONG])
 
-  AC_CONFIG_FILES(storage/ndb/include/Makefile dnl
-   storage/ndb/src/Makefile storage/ndb/src/common/Makefile dnl
-   storage/ndb/docs/Makefile dnl
-   storage/ndb/tools/Makefile dnl
-   storage/ndb/src/common/debugger/Makefile dnl
-   storage/ndb/src/common/debugger/signaldata/Makefile dnl
-   storage/ndb/src/common/portlib/Makefile dnl
-   storage/ndb/src/common/util/Makefile dnl
-   storage/ndb/src/common/logger/Makefile dnl
-   storage/ndb/src/common/transporter/Makefile dnl
-   storage/ndb/src/common/mgmcommon/Makefile dnl
-   storage/ndb/src/kernel/Makefile dnl
-   storage/ndb/src/kernel/error/Makefile dnl
-   storage/ndb/src/kernel/blocks/Makefile dnl
-   storage/ndb/src/kernel/blocks/dbdict/Makefile dnl
-   storage/ndb/src/kernel/blocks/dbdih/Makefile dnl
-   storage/ndb/src/kernel/blocks/dblqh/Makefile dnl
-   storage/ndb/src/kernel/blocks/dbtup/Makefile dnl
-   storage/ndb/src/kernel/blocks/backup/Makefile dnl
-   storage/ndb/src/kernel/vm/Makefile dnl
-   storage/ndb/src/mgmapi/Makefile dnl
-   storage/ndb/src/ndbapi/Makefile dnl
-   storage/ndb/src/mgmsrv/Makefile dnl
-   storage/ndb/src/mgmclient/Makefile dnl
-   storage/ndb/src/cw/Makefile dnl
-   storage/ndb/src/cw/cpcd/Makefile dnl
-   storage/ndb/test/Makefile dnl
-   storage/ndb/test/src/Makefile dnl
-   storage/ndb/test/ndbapi/Makefile dnl
-   storage/ndb/test/ndbapi/bank/Makefile dnl
-   storage/ndb/test/tools/Makefile dnl
-   storage/ndb/test/run-test/Makefile dnl
-   storage/ndb/include/ndb_version.h storage/ndb/include/ndb_global.h dnl
-   storage/ndb/include/ndb_types.h dnl
-  )
+  AC_CONFIG_FILES([
+   storage/ndb/include/ndb_version.h
+   storage/ndb/include/ndb_global.h
+   storage/ndb/include/ndb_types.h
+  ])
 ])
 
 AC_SUBST(TEST_NDBCLUSTER)                                                                                

config/ac-macros/plugins.m4

@@ -477,10 +477,23 @@ dnl Although this is "pretty", it breaks libmysqld build
       # Even if we don't build a plugin, we bundle its source into the dist
       # file.  So its Makefile (and Makefiles for any subdirs) must be
       # generated for 'make dist' to work.
-      m4_syscmd(test -f "$6/configure")
+      m4_syscmd([test -f "]$6[/configure"])
       ifelse(m4_sysval, 0,
         [AC_CONFIG_SUBDIRS($6)],
-        [AC_CONFIG_FILES($6/Makefile)]
+        [
+          # autoconf doesn't provide an automatic way to configure DIST_SUBDIRS of
+          # a subdir; for our purposes, it's enough to just check for existing
+          # Makefile.am files and add them in here
+dnl
+dnl Warning, don't try to quote the m4_esyscmd() macro, it doesn't
+dnl work.  Quoting here is tricky.
+dnl
+dnl The $FIND or $SED variable can be set by the user when calling autoconf itself
+dnl to if they need to pass a specific path.  This is *NOT* used when calling
+dnl running configure!
+dnl
+          AC_CONFIG_FILES(m4_esyscmd([${FIND-find} "]$6[" -name Makefile.am -print | ${SED-sed} 's,\.am$,,']))
+        ]
       )
 
       ifelse(

include/my_sys.h

@@ -843,14 +843,17 @@ extern void *memdup_root(MEM_ROOT *root,const void *str, size_t len);
 extern int get_defaults_options(int argc, char **argv,
                                 char **defaults, char **extra_defaults,
                                 char **group_suffix);
+extern int my_load_defaults(const char *conf_file, const char **groups,
+                            int *argc, char ***argv, const char ***);
 extern int load_defaults(const char *conf_file, const char **groups,
-			 int *argc, char ***argv);
+                         int *argc, char ***argv);
 extern int modify_defaults_file(const char *file_location, const char *option,
                                 const char *option_value,
                                 const char *section_name, int remove_option);
 extern int my_search_option_files(const char *conf_file, int *argc,
                                   char ***argv, uint *args_used,
-                                  Process_option_func func, void *func_ctx);
+                                  Process_option_func func, void *func_ctx,
+                                  const char **default_directories);
 extern void free_defaults(char **argv);
 extern void my_print_default_files(const char *conf_file);
 extern void print_defaults(const char *conf_file, const char **groups);

mysql-test/r/key_cache.result

@@ -276,8 +276,6 @@ Variable_name	Value
 Key_blocks_unused	KEY_BLOCKS_UNUSED
 set global keycache2.key_buffer_size=0;
 set global keycache3.key_buffer_size=100;
-Warnings:
-Warning	1292	Truncated incorrect key_buffer_size value: '100'
 set global keycache3.key_buffer_size=0;
 create table t1 (mytext text, FULLTEXT (mytext));
 insert t1 values ('aaabbb');

mysql-test/r/select.result

@@ -4416,4 +4416,32 @@ date_nokey
 Warnings:
 Warning	1292	Incorrect date value: '10:41:7' for column 'date_nokey' at row 1
 DROP TABLE A,C;
+CREATE TABLE t1 (a INT NOT NULL, b INT);
+INSERT INTO t1 VALUES (1, 1);
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND a=a) OR b > 2;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	1	100.00	
+Warnings:
+Note	1003	select '1' AS `a`,'1' AS `b` from `test`.`t1` where 1
+SELECT * FROM t1 WHERE (a=a AND a=a) OR b > 2;
+a	b
+1	1
+DROP TABLE t1;
+CREATE TABLE t1 (a INT NOT NULL, b INT NOT NULL, c INT NOT NULL);
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND b=b AND c=c) OR b > 20;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+Warnings:
+Note	1003	select '0' AS `a`,'0' AS `b`,'0' AS `c` from `test`.`t1` where 1
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND a=a AND b=b) OR b > 20;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+Warnings:
+Note	1003	select '0' AS `a`,'0' AS `b`,'0' AS `c` from `test`.`t1` where 1
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND b=b AND a=a) OR b > 20;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+Warnings:
+Note	1003	select '0' AS `a`,'0' AS `b`,'0' AS `c` from `test`.`t1` where 1
+DROP TABLE t1;
 End of 5.1 tests

mysql-test/suite/binlog/r/binlog_auto_increment_bug33029.result

@@ -38,4 +38,5 @@ DROP PROCEDURE IF EXISTS p2;
 DROP FUNCTION IF EXISTS f1;
 DROP TRIGGER IF EXISTS tr1;
 stop slave sql_thread;
+reset slave;
 SET @@global.relay_log_purge= @old_relay_log_purge;

mysql-test/suite/binlog/t/binlog_auto_increment_bug33029.test

@@ -52,9 +52,10 @@ DROP FUNCTION IF EXISTS f1;
 DROP TRIGGER IF EXISTS tr1;
 enable_warnings;
 
-remove_file $MYSQLD_DATADIR/slave-relay-bin.000001;
-remove_file $MYSQLD_DATADIR/slave-relay-bin.index;
 stop slave sql_thread;
+reset slave;
 source include/wait_for_slave_sql_to_stop.inc;
+remove_file $MYSQLD_DATADIR/slave-relay-bin.000001;
+remove_file $MYSQLD_DATADIR/slave-relay-bin.index;
 
 SET @@global.relay_log_purge= @old_relay_log_purge;

mysql-test/suite/funcs_1/r/is_columns_mysql.result

@@ -48,7 +48,7 @@ NULL	mysql	event	last_executed	10	NULL	YES	datetime	NULL	NULL	NULL	NULL	NULL	NUL
 NULL	mysql	event	modified	9	0000-00-00 00:00:00	NO	timestamp	NULL	NULL	NULL	NULL	NULL	NULL	timestamp			select,insert,update,references	
 NULL	mysql	event	name	2		NO	char	64	192	NULL	NULL	utf8	utf8_general_ci	char(64)	PRI		select,insert,update,references	
 NULL	mysql	event	on_completion	14	DROP	NO	enum	8	24	NULL	NULL	utf8	utf8_general_ci	enum('DROP','PRESERVE')			select,insert,update,references	
-NULL	mysql	event	originator	17	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	int(10)			select,insert,update,references	
+NULL	mysql	event	originator	17	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	int(10) unsigned			select,insert,update,references	
 NULL	mysql	event	sql_mode	15		NO	set	478	1434	NULL	NULL	utf8	utf8_general_ci	set('REAL_AS_FLOAT','PIPES_AS_CONCAT','ANSI_QUOTES','IGNORE_SPACE','NOT_USED','ONLY_FULL_GROUP_BY','NO_UNSIGNED_SUBTRACTION','NO_DIR_IN_CREATE','POSTGRESQL','ORACLE','MSSQL','DB2','MAXDB','NO_KEY_OPTIONS','NO_TABLE_OPTIONS','NO_FIELD_OPTIONS','MYSQL323','MYSQL40','ANSI','NO_AUTO_VALUE_ON_ZERO','NO_BACKSLASH_ESCAPES','STRICT_TRANS_TABLES','STRICT_ALL_TABLES','NO_ZERO_IN_DATE','NO_ZERO_DATE','INVALID_DATES','ERROR_FOR_DIVISION_BY_ZERO','TRADITIONAL','NO_AUTO_CREATE_USER','HIGH_NOT_PRECEDENCE','NO_ENGINE_SUBSTITUTION','PAD_CHAR_TO_FULL_LENGTH')			select,insert,update,references	
 NULL	mysql	event	starts	11	NULL	YES	datetime	NULL	NULL	NULL	NULL	NULL	NULL	datetime			select,insert,update,references	
 NULL	mysql	event	status	13	ENABLED	NO	enum	18	54	NULL	NULL	utf8	utf8_general_ci	enum('ENABLED','DISABLED','SLAVESIDE_DISABLED')			select,insert,update,references	
@@ -60,7 +60,7 @@ NULL	mysql	func	type	4	NULL	NO	enum	9	27	NULL	NULL	utf8	utf8_general_ci	enum('fu
 NULL	mysql	general_log	argument	6	NULL	NO	mediumtext	16777215	16777215	NULL	NULL	utf8	utf8_general_ci	mediumtext			select,insert,update,references	
 NULL	mysql	general_log	command_type	5	NULL	NO	varchar	64	192	NULL	NULL	utf8	utf8_general_ci	varchar(64)			select,insert,update,references	
 NULL	mysql	general_log	event_time	1	CURRENT_TIMESTAMP	NO	timestamp	NULL	NULL	NULL	NULL	NULL	NULL	timestamp		on update CURRENT_TIMESTAMP	select,insert,update,references	
-NULL	mysql	general_log	server_id	4	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	int(11)			select,insert,update,references	
+NULL	mysql	general_log	server_id	4	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	int(10) unsigned			select,insert,update,references	
 NULL	mysql	general_log	thread_id	3	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	int(11)			select,insert,update,references	
 NULL	mysql	general_log	user_host	2	NULL	NO	mediumtext	16777215	16777215	NULL	NULL	utf8	utf8_general_ci	mediumtext			select,insert,update,references	
 NULL	mysql	help_category	help_category_id	1	NULL	NO	smallint	NULL	NULL	5	0	NULL	NULL	smallint(5) unsigned	PRI		select,insert,update,references	
@@ -150,7 +150,7 @@ NULL	mysql	slow_log	lock_time	4	NULL	NO	time	NULL	NULL	NULL	NULL	NULL	NULL	time
 NULL	mysql	slow_log	query_time	3	NULL	NO	time	NULL	NULL	NULL	NULL	NULL	NULL	time			select,insert,update,references	
 NULL	mysql	slow_log	rows_examined	6	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	int(11)			select,insert,update,references	
 NULL	mysql	slow_log	rows_sent	5	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	int(11)			select,insert,update,references	
-NULL	mysql	slow_log	server_id	10	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	int(11)			select,insert,update,references	
+NULL	mysql	slow_log	server_id	10	NULL	NO	int	NULL	NULL	10	0	NULL	NULL	int(10) unsigned			select,insert,update,references	
 NULL	mysql	slow_log	sql_text	11	NULL	NO	mediumtext	16777215	16777215	NULL	NULL	utf8	utf8_general_ci	mediumtext			select,insert,update,references	
 NULL	mysql	slow_log	start_time	1	CURRENT_TIMESTAMP	NO	timestamp	NULL	NULL	NULL	NULL	NULL	NULL	timestamp		on update CURRENT_TIMESTAMP	select,insert,update,references	
 NULL	mysql	slow_log	user_host	2	NULL	NO	mediumtext	16777215	16777215	NULL	NULL	utf8	utf8_general_ci	mediumtext			select,insert,update,references	
@@ -329,7 +329,7 @@ NULL	mysql	event	ends	datetime	NULL	NULL	NULL	NULL	datetime
 3.0000	mysql	event	on_completion	enum	8	24	utf8	utf8_general_ci	enum('DROP','PRESERVE')
 3.0000	mysql	event	sql_mode	set	478	1434	utf8	utf8_general_ci	set('REAL_AS_FLOAT','PIPES_AS_CONCAT','ANSI_QUOTES','IGNORE_SPACE','NOT_USED','ONLY_FULL_GROUP_BY','NO_UNSIGNED_SUBTRACTION','NO_DIR_IN_CREATE','POSTGRESQL','ORACLE','MSSQL','DB2','MAXDB','NO_KEY_OPTIONS','NO_TABLE_OPTIONS','NO_FIELD_OPTIONS','MYSQL323','MYSQL40','ANSI','NO_AUTO_VALUE_ON_ZERO','NO_BACKSLASH_ESCAPES','STRICT_TRANS_TABLES','STRICT_ALL_TABLES','NO_ZERO_IN_DATE','NO_ZERO_DATE','INVALID_DATES','ERROR_FOR_DIVISION_BY_ZERO','TRADITIONAL','NO_AUTO_CREATE_USER','HIGH_NOT_PRECEDENCE','NO_ENGINE_SUBSTITUTION','PAD_CHAR_TO_FULL_LENGTH')
 3.0000	mysql	event	comment	char	64	192	utf8	utf8_bin	char(64)
-NULL	mysql	event	originator	int	NULL	NULL	NULL	NULL	int(10)
+NULL	mysql	event	originator	int	NULL	NULL	NULL	NULL	int(10) unsigned
 1.0000	mysql	event	time_zone	char	64	64	latin1	latin1_swedish_ci	char(64)
 3.0000	mysql	event	character_set_client	char	32	96	utf8	utf8_bin	char(32)
 3.0000	mysql	event	collation_connection	char	32	96	utf8	utf8_bin	char(32)
@@ -342,7 +342,7 @@ NULL	mysql	func	ret	tinyint	NULL	NULL	NULL	NULL	tinyint(1)
 NULL	mysql	general_log	event_time	timestamp	NULL	NULL	NULL	NULL	timestamp
 1.0000	mysql	general_log	user_host	mediumtext	16777215	16777215	utf8	utf8_general_ci	mediumtext
 NULL	mysql	general_log	thread_id	int	NULL	NULL	NULL	NULL	int(11)
-NULL	mysql	general_log	server_id	int	NULL	NULL	NULL	NULL	int(11)
+NULL	mysql	general_log	server_id	int	NULL	NULL	NULL	NULL	int(10) unsigned
 3.0000	mysql	general_log	command_type	varchar	64	192	utf8	utf8_general_ci	varchar(64)
 1.0000	mysql	general_log	argument	mediumtext	16777215	16777215	utf8	utf8_general_ci	mediumtext
 NULL	mysql	help_category	help_category_id	smallint	NULL	NULL	NULL	NULL	smallint(5) unsigned
@@ -434,7 +434,7 @@ NULL	mysql	slow_log	rows_examined	int	NULL	NULL	NULL	NULL	int(11)
 3.0000	mysql	slow_log	db	varchar	512	1536	utf8	utf8_general_ci	varchar(512)
 NULL	mysql	slow_log	last_insert_id	int	NULL	NULL	NULL	NULL	int(11)
 NULL	mysql	slow_log	insert_id	int	NULL	NULL	NULL	NULL	int(11)
-NULL	mysql	slow_log	server_id	int	NULL	NULL	NULL	NULL	int(11)
+NULL	mysql	slow_log	server_id	int	NULL	NULL	NULL	NULL	int(10) unsigned
 1.0000	mysql	slow_log	sql_text	mediumtext	16777215	16777215	utf8	utf8_general_ci	mediumtext
 3.0000	mysql	tables_priv	Host	char	60	180	utf8	utf8_bin	char(60)
 3.0000	mysql	tables_priv	Db	char	64	192	utf8	utf8_bin	char(64)

mysql-test/t/select.test

@@ -3769,4 +3769,20 @@ SELECT date_nokey FROM C
 
 DROP TABLE A,C;
 
+#
+# Bug #42957: no results from 
+# select where .. (col=col and col=col) or ... (false expression)
+#
+CREATE TABLE t1 (a INT NOT NULL, b INT);
+INSERT INTO t1 VALUES (1, 1);
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND a=a) OR b > 2;
+SELECT * FROM t1 WHERE (a=a AND a=a) OR b > 2;
+DROP TABLE t1;
+
+CREATE TABLE t1 (a INT NOT NULL, b INT NOT NULL, c INT NOT NULL);
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND b=b AND c=c) OR b > 20;
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND a=a AND b=b) OR b > 20;
+EXPLAIN EXTENDED SELECT * FROM t1 WHERE (a=a AND b=b AND a=a) OR b > 20;
+DROP TABLE t1;
+
 --echo End of 5.1 tests

mysys/default.c

@@ -152,7 +152,7 @@ static char *remove_end_comment(char *ptr);
 
 int my_search_option_files(const char *conf_file, int *argc, char ***argv,
                            uint *args_used, Process_option_func func,
-                           void *func_ctx)
+                           void *func_ctx, const char **default_directories)
 {
   const char **dirs, *forced_default_file, *forced_extra_defaults;
   int error= 0;
@@ -359,18 +359,46 @@ int get_defaults_options(int argc, char **argv,
   return org_argc - argc;
 }
 
+/*
+  Wrapper around my_load_defaults() for interface compatibility.
+
+  SYNOPSIS
+    load_defaults()
+    conf_file			Basename for configuration file to search for.
+    				If this is a path, then only this file is read.
+    groups			Which [group] entrys to read.
+				Points to an null terminated array of pointers
+    argc			Pointer to argc of original program
+    argv			Pointer to argv of original program
+
+  NOTES
+
+    This function is NOT thread-safe as it uses a global pointer internally.
+    See also notes for my_load_defaults().
+
+  RETURN
+    0 ok
+    1 The given conf_file didn't exists
+*/
+int load_defaults(const char *conf_file, const char **groups,
+                  int *argc, char ***argv)
+{
+  return my_load_defaults(conf_file, groups, argc, argv, &default_directories);
+}
 
 /*
   Read options from configurations files
 
   SYNOPSIS
-    load_defaults()
+    my_load_defaults()
     conf_file			Basename for configuration file to search for.
     				If this is a path, then only this file is read.
     groups			Which [group] entrys to read.
 				Points to an null terminated array of pointers
     argc			Pointer to argc of original program
     argv			Pointer to argv of original program
+    default_directories         Pointer to a location where a pointer to the list
+                                of default directories will be stored
 
   IMPLEMENTATION
 
@@ -386,13 +414,18 @@ int get_defaults_options(int argc, char **argv,
     that was put in *argv
 
    RETURN
-     0	ok
-     1	The given conf_file didn't exists
+     - If successful, 0 is returned. If 'default_directories' is not NULL,
+     a pointer to the array of default directory paths is stored to a location
+     it points to. That stored value must be passed to my_search_option_files()
+     later.
+     
+     - 1 is returned if the given conf_file didn't exist. In this case, the
+     value pointed to by default_directories is undefined.
 */
 
 
-int load_defaults(const char *conf_file, const char **groups,
-                  int *argc, char ***argv)
+int my_load_defaults(const char *conf_file, const char **groups,
+                  int *argc, char ***argv, const char ***default_directories)
 {
   DYNAMIC_ARRAY args;
   TYPELIB group;
@@ -402,10 +435,11 @@ int load_defaults(const char *conf_file, const char **groups,
   MEM_ROOT alloc;
   char *ptr,**res;
   struct handle_option_ctx ctx;
+  const char **dirs;
   DBUG_ENTER("load_defaults");
 
   init_alloc_root(&alloc,512,0);
-  if ((default_directories= init_default_directories(&alloc)) == NULL)
+  if ((dirs= init_default_directories(&alloc)) == NULL)
     goto err;
   /*
     Check if the user doesn't want any default option processing
@@ -426,6 +460,8 @@ int load_defaults(const char *conf_file, const char **groups,
     (*argc)--;
     *argv=res;
     *(MEM_ROOT*) ptr= alloc;			/* Save alloc root for free */
+    if (default_directories)
+      *default_directories= dirs;
     DBUG_RETURN(0);
   }
 
@@ -444,7 +480,8 @@ int load_defaults(const char *conf_file, const char **groups,
   ctx.group= &group;
 
   error= my_search_option_files(conf_file, argc, argv, &args_used,
-                                handle_default_option, (void *) &ctx);
+                                handle_default_option, (void *) &ctx,
+                                dirs);
   /*
     Here error contains <> 0 only if we have a fully specified conf_file
     or a forced default file
@@ -490,6 +527,10 @@ int load_defaults(const char *conf_file, const char **groups,
     puts("");
     exit(0);
   }
+
+  if (error == 0 && default_directories)
+    *default_directories= dirs;
+
   DBUG_RETURN(error);
 
  err:
@@ -895,15 +936,11 @@ void my_print_default_files(const char *conf_file)
     fputs(conf_file,stdout);
   else
   {
-    /*
-      If default_directories is already initialized, use it.  Otherwise,
-      use a private MEM_ROOT.
-    */
-    const char **dirs = default_directories;
+    const char **dirs;
     MEM_ROOT alloc;
     init_alloc_root(&alloc,512,0);
 
-    if (!dirs && (dirs= init_default_directories(&alloc)) == NULL)
+    if ((dirs= init_default_directories(&alloc)) == NULL)
     {
       fputs("Internal error initializing default directories list", stdout);
     }

server-tools/instance-manager/instance_map.cc

@@ -536,7 +536,8 @@ int Instance_map::load()
   */
   if (my_search_option_files(Options::Main::config_file, &argc,
                              (char ***) &argv, &args_used,
-                             process_option, (void*) this))
+                             process_option, (void*) this,
+                             Options::default_directories))
     log_info("Falling back to compiled-in defaults.");
 
   return complete_initialization();

server-tools/instance-manager/options.cc

@@ -86,6 +86,7 @@ const char *Options::Main::bind_address= NULL; /* No default value */
 uint Options::Main::monitoring_interval= DEFAULT_MONITORING_INTERVAL;
 uint Options::Main::port_number= DEFAULT_PORT;
 my_bool Options::Main::mysqld_safe_compatible= FALSE;
+const char **Options::default_directories= NULL;
 
 /* Options::User_management */
 
@@ -439,7 +440,8 @@ int Options::load(int argc, char **argv)
   log_info("Loading config file '%s'...",
            (const char *) Main::config_file);
 
-  load_defaults(Main::config_file, default_groups, &argc, &saved_argv);
+  my_load_defaults(Main::config_file, default_groups, &argc,
+                   &saved_argv, &default_directories);
 
   if ((handle_options(&argc, &saved_argv, my_long_options, get_one_option)))
     return ERR_INVALID_USAGE;

server-tools/instance-manager/options.h

@@ -91,6 +91,9 @@ struct Options
 #endif
 
 public:
+  /* Array of paths to be passed to my_search_option_files() later */
+  static const char **default_directories;
+
   static int load(int argc, char **argv);
   static void cleanup();
 

sql-common/client.c

@@ -1021,7 +1021,7 @@ void mysql_read_default_options(struct st_mysql_options *options,
   argc=1; argv=argv_buff; argv_buff[0]= (char*) "client";
   groups[0]= (char*) "client"; groups[1]= (char*) group; groups[2]=0;
 
-  load_defaults(filename, groups, &argc, &argv);
+  my_load_defaults(filename, groups, &argc, &argv, NULL);
   if (argc != 1)				/* If some default option */
   {
     char **option=argv;

sql/mysql_priv.h

@@ -2047,6 +2047,9 @@ extern SHOW_COMP_OPTION have_geometry, have_rtree_keys;
 extern SHOW_COMP_OPTION have_crypt;
 extern SHOW_COMP_OPTION have_compress;
 
+extern int orig_argc;
+extern char **orig_argv;
+extern const char *load_default_groups[];
 
 #ifndef __WIN__
 extern pthread_t signal_thread;

sql/mysqld.cc

@@ -648,6 +648,9 @@ static int defaults_argc;
 static char **defaults_argv;
 static char *opt_bin_logname;
 
+int orig_argc;
+char **orig_argv;
+
 static my_socket unix_sock,ip_sock;
 struct rand_struct sql_rand; ///< used by sql_class.cc:THD::THD()
 
@@ -2922,18 +2925,16 @@ pthread_handler_t handle_shutdown(void *arg)
 }
 #endif
 
-#if !defined(EMBEDDED_LIBRARY)
-static const char *load_default_groups[]= {
+const char *load_default_groups[]= {
 #ifdef WITH_NDBCLUSTER_STORAGE_ENGINE
 "mysql_cluster",
 #endif
 "mysqld","server", MYSQL_BASE_VERSION, 0, 0};
 
-#if defined(__WIN__)
+#if defined(__WIN__) && !defined(EMBEDDED_LIBRARY)
 static const int load_default_groups_sz=
 sizeof(load_default_groups)/sizeof(load_default_groups[0]);
 #endif
-#endif /*!EMBEDDED_LIBRARY*/
 
 
 /**
@@ -3221,6 +3222,8 @@ static int init_common_variables(const char *conf_file_name, int argc,
                      SQLCOM_END + 8);
 #endif
 
+  orig_argc=argc;
+  orig_argv=argv;
   load_defaults(conf_file_name, groups, &argc, &argv);
   defaults_argv=argv;
   defaults_argc=argc;
@@ -3886,6 +3889,7 @@ server.");
     if ((ho_error= handle_options(&defaults_argc, &tmp_argv, no_opts,
                                   mysqld_get_one_option)))
       unireg_abort(ho_error);
+    my_getopt_skip_unknown= TRUE;
 
     if (defaults_argc)
     {

sql/sql_plugin.cc

@@ -1139,8 +1139,9 @@ int plugin_init(int *argc, char **argv, int flags)
     for (plugin= *builtins; plugin->info; plugin++)
     {
       if (opt_ignore_builtin_innodb &&
-          !my_strcasecmp(&my_charset_latin1, plugin->name, "InnoDB"))
-          continue;
+          !my_strnncoll(&my_charset_latin1, (const uchar*) plugin->name,
+                        6, (const uchar*) "InnoDB", 6))
+        continue;
       /* by default, ndbcluster and federated are disabled */
       def_enabled=
         my_strcasecmp(&my_charset_latin1, plugin->name, "NDBCLUSTER") != 0 &&
@@ -1633,8 +1634,8 @@ bool mysql_install_plugin(THD *thd, const LEX_STRING *name, const LEX_STRING *dl
 {
   TABLE_LIST tables;
   TABLE *table;
-  int error, argc;
-  char *argv[2];
+  int error, argc=orig_argc;
+  char **argv=orig_argv;
   struct st_plugin_int *tmp;
   DBUG_ENTER("mysql_install_plugin");
 
@@ -1650,21 +1651,31 @@ bool mysql_install_plugin(THD *thd, const LEX_STRING *name, const LEX_STRING *dl
 
   pthread_mutex_lock(&LOCK_plugin);
   rw_wrlock(&LOCK_system_variables_hash);
-  /* handle_options() assumes arg0 (program name) always exists */
-  argv[0]= const_cast<char*>(""); // without a cast gcc emits a warning
-  argv[1]= 0;
-  argc= 1;
+
+  my_load_defaults(MYSQL_CONFIG_NAME, load_default_groups, &argc, &argv, NULL);
   error= plugin_add(thd->mem_root, name, dl, &argc, argv, REPORT_TO_USER);
+  if (argv)
+    free_defaults(argv);
   rw_unlock(&LOCK_system_variables_hash);
 
   if (error || !(tmp= plugin_find_internal(name, MYSQL_ANY_PLUGIN)))
     goto err;
 
-  if (plugin_initialize(tmp))
+  if (tmp->state == PLUGIN_IS_DISABLED)
   {
-    my_error(ER_CANT_INITIALIZE_UDF, MYF(0), name->str,
-             "Plugin initialization function failed.");
-    goto deinit;
+    push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
+                        ER_CANT_INITIALIZE_UDF, ER(ER_CANT_INITIALIZE_UDF),
+                        name->str, "Plugin is disabled");
+  }
+  else
+  {
+    DBUG_ASSERT(tmp->state == PLUGIN_IS_UNINITIALIZED);
+    if (plugin_initialize(tmp))
+    {
+      my_error(ER_CANT_INITIALIZE_UDF, MYF(0), name->str,
+               "Plugin initialization function failed.");
+      goto deinit;
+    }
   }
 
   /*

sql/sql_select.cc

@@ -7625,7 +7625,7 @@ static COND *build_equal_items_for_cond(THD *thd, COND *cond,
     if (and_level)
     {
       /*
-         Retrieve all conjucts of this level detecting the equality
+         Retrieve all conjuncts of this level detecting the equality
          that are subject to substitution by multiple equality items and
          removing each such predicate from the conjunction after having 
          found/created a multiple equality whose inference the predicate is.
@@ -7641,6 +7641,13 @@ static COND *build_equal_items_for_cond(THD *thd, COND *cond,
           li.remove();
       }
 
+      /*
+        Check if we eliminated all the predicates of the level, e.g.
+        (a=a AND b=b AND a=a)
+      */
+      if (!(args->elements + cond_equal.current_level.elements + eq_list.elements))
+        return new Item_int((longlong) 1,1);
+
       List_iterator_fast<Item_equal> it(cond_equal.current_level);
       while ((item_equal= it++))
       {