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

into poseidon.ndb.mysql.com:/home/tomas/mysql-5.0

BitKeeper/etc/config

@@ -73,5 +73,6 @@ hours:
 [nick:]checkout:get
 [jonas:]checkout:get
 [tomas:]checkout:get
+[guilhem:]checkout:get
 checkout:edit
 eoln:unix

client/client_priv.h

@@ -51,5 +51,5 @@ enum options_client
 #endif
   OPT_TRIGGERS,
   OPT_IGNORE_TABLE,OPT_INSERT_IGNORE,OPT_SHOW_WARNINGS,OPT_DROP_DATABASE,
-  OPT_AUTO_CLOSE
+  OPT_TZ_UTC, OPT_AUTO_CLOSE
 };

client/mysqlbinlog.cc

@@ -1003,7 +1003,8 @@ static int dump_remote_log_entries(const char* logname)
 {
   char buf[128];
   LAST_EVENT_INFO last_event_info;
-  uint len, logname_len;
+  ulong len;
+  uint logname_len;
   NET* net;
   int error= 0;
   my_off_t old_off= start_position_mot;

client/mysqldump.c

@@ -92,7 +92,7 @@ static my_bool  verbose=0,tFlag=0,dFlag=0,quick= 1, extended_insert= 1,
 		opt_single_transaction=0, opt_comments= 0, opt_compact= 0,
 		opt_hex_blob=0, opt_order_by_primary=0, opt_ignore=0,
                 opt_complete_insert= 0, opt_drop_database= 0,
-                opt_dump_triggers= 0, opt_routines=0;
+                opt_dump_triggers= 0, opt_routines=0, opt_tz_utc=1;
 static ulong opt_max_allowed_packet, opt_net_buffer_length;
 static MYSQL mysql_connection,*sock=0;
 static my_bool insert_pat_inited=0;
@@ -385,6 +385,9 @@ static struct my_option my_long_options[] =
    {"triggers", OPT_TRIGGERS, "Dump triggers for each dumped table",
      (gptr*) &opt_dump_triggers, (gptr*) &opt_dump_triggers, 0, GET_BOOL,
      NO_ARG, 1, 0, 0, 0, 0, 0},
+  {"tz-utc", OPT_TZ_UTC,
+    "SET TIME_ZONE='UTC' at top of dump to allow dumping of date types between servers with different time zones.",
+    (gptr*) &opt_tz_utc, (gptr*) &opt_tz_utc, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
 #ifndef DONT_ALLOW_USER_CHANGE
   {"user", 'u', "User for login if not current user.",
    (gptr*) &current_user, (gptr*) &current_user, 0, GET_STR, REQUIRED_ARG,
@@ -509,6 +512,13 @@ static void write_header(FILE *sql_file, char *db_name)
 "\n/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;"
 "\n/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;"
 "\n/*!40101 SET NAMES %s */;\n",default_charset);
+
+    if (opt_tz_utc)
+    {
+      fprintf(sql_file, "/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;\n");
+      fprintf(sql_file, "/*!40103 SET TIME_ZONE='+00:00' */;\n");
+    }
+
     if (!path)
     {
       fprintf(md_result_file,"\
@@ -535,6 +545,9 @@ static void write_footer(FILE *sql_file)
   }
   else if (!opt_compact)
   {
+    if (opt_tz_utc)
+      fprintf(sql_file,"/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;\n");
+
     fprintf(sql_file,"\n/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;\n");
     if (!path)
     {
@@ -902,6 +915,20 @@ static int dbConnect(char *host, char *user,char *passwd)
     safe_exit(EX_MYSQLERR);
     return 1;
   }
+  /*
+    set time_zone to UTC to allow dumping date types between servers with 
+    different time zone settings
+  */
+  if (opt_tz_utc)
+  {
+    my_snprintf(buff, sizeof(buff), "/*!40103 SET TIME_ZONE='+00:00' */");
+    if (mysql_query_with_error_report(sock, 0, buff))
+    {
+      mysql_close(sock);
+      safe_exit(EX_MYSQLERR);
+      return 1;
+    }
+  }
   return 0;
 } /* dbConnect */
 

include/my_sys.h

@@ -158,7 +158,8 @@ extern gptr my_memdup(const byte *from,uint length,myf MyFlags);
 extern char *my_strdup(const char *from,myf MyFlags);
 extern char *my_strdup_with_length(const byte *from, uint length,
 				   myf MyFlags);
-#define my_free(PTR,FG) my_no_flags_free(PTR)
+/* we do use FG (as a no-op) in below so that a typo on FG is caught */
+#define my_free(PTR,FG) ((void)FG,my_no_flags_free(PTR))
 #define CALLER_INFO_PROTO   /* nothing */
 #define CALLER_INFO         /* nothing */
 #define ORIG_CALLER_INFO    /* nothing */

mysql-test/Makefile.am

@@ -61,6 +61,7 @@ dist-hook:
 	$(INSTALL_DATA) $(srcdir)/std_data/des_key_file $(distdir)/std_data
 	$(INSTALL_DATA) $(srcdir)/std_data/*.pem $(distdir)/std_data
 	$(INSTALL_DATA) $(srcdir)/std_data/*.frm $(distdir)/std_data
+	$(INSTALL_DATA) $(srcdir)/std_data/*.cnf $(distdir)/std_data
 	$(INSTALL_DATA) $(srcdir)/lib/init_db.sql $(distdir)/lib
 	$(INSTALL_DATA) $(srcdir)/lib/*.pl $(distdir)/lib
 
@@ -89,6 +90,7 @@ install-data-local:
 	$(INSTALL_DATA) $(srcdir)/std_data/Moscow_leap $(DESTDIR)$(testdir)/std_data
 	$(INSTALL_DATA) $(srcdir)/std_data/*.pem $(DESTDIR)$(testdir)/std_data
 	$(INSTALL_DATA) $(srcdir)/std_data/*.frm $(DESTDIR)$(testdir)/std_data
+	$(INSTALL_DATA) $(srcdir)/std_data/*.cnf $(DESTDIR)$(testdir)/std_data
 	$(INSTALL_DATA) $(srcdir)/lib/init_db.sql $(DESTDIR)$(testdir)/lib
 	$(INSTALL_DATA) $(srcdir)/lib/*.pl $(DESTDIR)$(testdir)/lib
 

mysql-test/r/federated.result

@@ -79,7 +79,7 @@ Table	Create Table
 t2	CREATE TABLE `t2` (
   `id` int(20) NOT NULL,
   `name` varchar(32) NOT NULL default ''
-) ENGINE=FEDERATED DEFAULT CHARSET=latin1 CONNECTION='mysql://root@127.0.0.1:9308/federated/t1'
+) ENGINE=FEDERATED DEFAULT CHARSET=latin1 CONNECTION='mysql://root@127.0.0.1:SLAVE_PORT/federated/t1'
 INSERT INTO federated.t2 (id, name) VALUES (1, 'foo');
 INSERT INTO federated.t2 (id, name) VALUES (2, 'fee');
 SELECT * FROM federated.t2;

mysql-test/r/rpl_dual_pos_advance.result

+stop slave;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+reset master;
+reset slave;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+start slave;
+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);
+create table t4 (n int);
+create table t5 (n int);
+create table t6 (n int);
+show tables;
+Tables_in_test
+t1
+t4
+t5
+t6
+stop slave;
+reset slave;
+drop table t1,t4,t5,t6;

mysql-test/r/rpl_sp.result

@@ -264,6 +264,14 @@ master-bin.000002	#	Query	1	#	use `mysqltest1`; insert into t1 values (1)
 select * from t1;
 a
 1
+create procedure foo()
+not deterministic
+reads sql data
+select * from t1;
+call foo();
+a
+1
+drop procedure foo;
 drop function fn1;
 drop database mysqltest1;
 drop user "zedjzlcsjhd"@127.0.0.1;

mysql-test/r/sp-error.result

@@ -834,3 +834,41 @@ ERROR HY000: Not allowed to set autocommit from a stored function or trigger
 create trigger bug12712
 before insert on t1 for each row set session autocommit = 0;
 ERROR HY000: Not allowed to set autocommit from a stored function or trigger
+drop procedure if exists bug13510_1|
+drop procedure if exists bug13510_2|
+drop procedure if exists bug13510_3|
+drop procedure if exists bug13510_4|
+create procedure bug13510_1()
+begin
+declare password varchar(10);
+set password = 'foo1';
+select password;
+end|
+ERROR 42000: Variable 'password' must be quoted with `...`, or renamed
+create procedure bug13510_2()
+begin
+declare names varchar(10);
+set names = 'foo2';
+select names;
+end|
+ERROR 42000: Variable 'names' must be quoted with `...`, or renamed
+create procedure bug13510_3()
+begin
+declare password varchar(10);
+set `password` = 'foo3';
+select password;
+end|
+create procedure bug13510_4()
+begin
+declare names varchar(10);
+set `names` = 'foo4';
+select names;
+end|
+call bug13510_3()|
+password
+foo3
+call bug13510_4()|
+names
+foo4
+drop procedure bug13510_3|
+drop procedure bug13510_4|

mysql-test/r/subselect.result

@@ -2987,3 +2987,4 @@ select * from (select max(fld) from t1) as foo;
 max(fld)
 1
 drop table t1;
+purge master logs before (select adddate(current_timestamp(), interval -4 day));

mysql-test/t/federated.test

@@ -75,7 +75,8 @@ eval CREATE TABLE federated.t2 (
   ENGINE="FEDERATED" DEFAULT CHARSET=latin1
   CONNECTION='mysql://root@127.0.0.1:$SLAVE_MYPORT/federated/t1';
 
-SHOW CREATE TABLE federated.t2;
+--replace_result $SLAVE_MYPORT SLAVE_PORT
+eval SHOW CREATE TABLE federated.t2;
 
 INSERT INTO federated.t2 (id, name) VALUES (1, 'foo');
 INSERT INTO federated.t2 (id, name) VALUES (2, 'fee');

mysql-test/t/mysqldump.test

@@ -907,3 +907,24 @@ DROP PROCEDURE bug9056_proc1;
 DROP PROCEDURE bug9056_proc2;
 drop table t1;
 
+#
+# BUG# 13052 - mysqldump timestamp reloads broken
+#
+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+
+create table t1 (`d` timestamp, unique (`d`));
+set time_zone='+00:00';
+insert into t1 values ('2003-10-25 22:00:00'),('2003-10-25 23:00:00');
+# results should show two different time values
+select * from t1;
+set time_zone='Europe/Moscow';
+# results should show two same time values, despite unique
+select * from t1;
+set global time_zone='Europe/Moscow';
+--exec $MYSQL_DUMP --skip-comments --databases test
+--exec $MYSQL_DUMP --skip-tz-utc --skip-comments --databases test
+drop table t1;
+set global time_zone=default;
+set time_zone=default;

mysql-test/t/rpl_dual_pos_advance-master.opt

+--loose-to-force-a-restart

mysql-test/t/rpl_dual_pos_advance.test

+# This test checks that in a dual-head setup
+# A->B->A, where A has --log-slave-updates (why would it?
+# assume that there is a C as slave of A),
+# then the Exec_master_log_pos of SHOW SLAVE STATUS does
+# not stay too low on B(BUG#13023 due to events ignored because
+# of their server id).
+# It also will test BUG#13861.
+
+source include/master-slave.inc;
+
+
+# set up "dual head"
+
+connection slave;
+reset master;
+
+connection master;
+--replace_result $SLAVE_MYPORT SLAVE_PORT
+eval change master to master_host="127.0.0.1",master_port=$SLAVE_MYPORT,master_user="root";
+
+start slave;
+
+# now we test it
+
+connection slave;
+
+create table t1 (n int);
+
+save_master_pos;
+connection master;
+sync_with_master;
+
+# Now test BUG#13861. This will be enabled when Guilhem fixes this
+# bug.
+
+# stop slave
+
+# create table t2 (n int); # create one ignored event
+
+# save_master_pos;
+# connection slave;
+# sync_with_master;
+
+# connection slave;
+
+# show tables;
+
+# save_master_pos;
+
+# create table t3 (n int);
+
+# 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;
+
+# then BUG#13861 causes t3 to show up below (because stopped too
+# late).
+
+# show tables;
+
+# start slave;
+
+# BUG#13023 is that Exec_master_log_pos may stay too low "forever":
+
+connection master;
+
+create table t4 (n int); # create 3 ignored events
+create table t5 (n int);
+create table t6 (n int);
+
+save_master_pos;
+connection slave;
+sync_with_master;
+
+connection slave;
+
+save_master_pos;
+
+connection master;
+
+# then BUG#13023 caused hang below ("master" looks behind, while it's
+# not in terms of updates done).
+
+sync_with_master;
+
+show tables;
+
+# cleanup
+
+stop slave;
+reset slave;
+drop table t1,t4,t5,t6; # add t2 and t3 later
+
+save_master_pos;
+connection slave;
+sync_with_master;
+
+# End of 4.1 tests

mysql-test/t/rpl_sp.test

@@ -258,6 +258,23 @@ sync_slave_with_master;
 select * from t1;
 
 
+#
+# Test for bug #13969 "Routines which are replicated from master can't be
+# executed on slave".
+# 
+connection master;
+create procedure foo()
+  not deterministic
+  reads sql data
+  select * from t1;
+sync_slave_with_master;
+# This should not fail
+call foo();
+connection master;
+drop procedure foo;
+sync_slave_with_master;
+
+
 # Clean up
 connection master;
 drop function fn1;

mysql-test/t/sp-error.test

@@ -1212,6 +1212,59 @@ call bug9367();
 drop procedure bug9367;
 drop table t1;
 --enable_parsing
+
+#
+# BUG#13510: Setting password local variable changes current password
+#
+delimiter |;
+--disable_warnings
+drop procedure if exists bug13510_1|
+drop procedure if exists bug13510_2|
+drop procedure if exists bug13510_3|
+drop procedure if exists bug13510_4|
+--enable_warnings
+
+--error ER_SP_BAD_VAR_SHADOW
+create procedure bug13510_1()
+begin
+  declare password varchar(10);
+
+  set password = 'foo1';
+  select password;
+end|
+
+--error ER_SP_BAD_VAR_SHADOW
+create procedure bug13510_2()
+begin
+  declare names varchar(10);
+
+  set names = 'foo2';
+  select names;
+end|
+
+create procedure bug13510_3()
+begin
+  declare password varchar(10);
+
+  set `password` = 'foo3';
+  select password;
+end|
+
+create procedure bug13510_4()
+begin
+  declare names varchar(10);
+
+  set `names` = 'foo4';
+  select names;
+end|
+
+call bug13510_3()|
+call bug13510_4()|
+
+drop procedure bug13510_3|
+drop procedure bug13510_4|
+delimiter ;|
+
 #
 # BUG#NNNN: New bug synopsis
 #

mysql-test/t/subselect.test

@@ -1962,4 +1962,9 @@ insert into t1 values ('1');
 select * from (select max(fld) from t1) as foo;
 drop table t1;
 
+#
+# BUG #10308: purge log with subselect
+#
+
+purge master logs before (select adddate(current_timestamp(), interval -4 day));
 

mysys/my_realloc.c

@@ -52,7 +52,7 @@ gptr my_realloc(gptr oldpoint, uint size, myf my_flags)
   if ((point = (char*)realloc(oldpoint,size)) == NULL)
   {
     if (my_flags & MY_FREE_ON_ERROR)
-      my_free(oldpoint,MyFLAGS);
+      my_free(oldpoint, my_flags);
     if (my_flags & MY_HOLD_ON_ERROR)
       DBUG_RETURN(oldpoint);
     my_errno=errno;

scripts/make_binary_distribution.sh

@@ -232,6 +232,7 @@ $CP mysql-test/t/*.def $BASE/mysql-test/t
 $CP mysql-test/std_data/*.dat mysql-test/std_data/*.frm \
     mysql-test/std_data/*.pem mysql-test/std_data/Moscow_leap \
     mysql-test/std_data/des_key_file mysql-test/std_data/*.*001 \
+    mysql-test/std_data/*.cnf \
     $BASE/mysql-test/std_data
 $CP mysql-test/t/*.test mysql-test/t/*.disabled mysql-test/t/*.opt \
     mysql-test/t/*.slave-mi mysql-test/t/*.sh mysql-test/t/*.sql $BASE/mysql-test/t

sql/ha_innodb.cc

@@ -7042,8 +7042,7 @@ ha_innobase::cmp_ref(
 						    (const char*)ref1, len1,
 			                            (const char*)ref2, len2);
 		} else {
-			result = field->key_cmp((const char*)ref1,
-					    (const char*)ref2);
+			result = field->key_cmp(ref1, ref2);
 		}
 
 		if (result) {

sql/log.cc

@@ -1353,7 +1353,8 @@ void MYSQL_LOG::new_file(bool need_lock)
         to change base names at some point.
       */
       THD *thd = current_thd; /* may be 0 if we are reacting to SIGHUP */
-      Rotate_log_event r(thd,new_name+dirname_length(new_name));
+      Rotate_log_event r(thd,new_name+dirname_length(new_name),
+                         0, LOG_EVENT_OFFSET, 0);
       r.write(&log_file);
       bytes_written += r.data_written;
     }
@@ -1432,7 +1433,7 @@ bool MYSQL_LOG::appendv(const char* buf, uint len,...)
 
   DBUG_ASSERT(log_file.type == SEQ_READ_APPEND);
 
-  pthread_mutex_lock(&LOCK_log);
+  safe_mutex_assert_owner(&LOCK_log);
   do
   {
     if (my_b_append(&log_file,(byte*) buf,len))
@@ -1447,7 +1448,6 @@ bool MYSQL_LOG::appendv(const char* buf, uint len,...)
     new_file(0);
 
 err:
-  pthread_mutex_unlock(&LOCK_log);
   if (!error)
     signal_update();
   DBUG_RETURN(error);

sql/log_event.cc

@@ -2962,13 +2962,39 @@ void Rotate_log_event::print(FILE* file, bool short_form, LAST_EVENT_INFO* last_
 #endif /* MYSQL_CLIENT */
 
 
+
 /*
-  Rotate_log_event::Rotate_log_event()
+  Rotate_log_event::Rotate_log_event() (2 constructors)
 */
 
+
+#ifndef MYSQL_CLIENT
+Rotate_log_event::Rotate_log_event(THD* thd_arg,
+                                   const char* new_log_ident_arg,
+                                   uint ident_len_arg, ulonglong pos_arg,
+                                   uint flags_arg)
+  :Log_event(), new_log_ident(new_log_ident_arg),
+   pos(pos_arg),ident_len(ident_len_arg ? ident_len_arg :
+                          (uint) strlen(new_log_ident_arg)), flags(flags_arg)
+{
+#ifndef DBUG_OFF
+  char buff[22];
+  DBUG_ENTER("Rotate_log_event::Rotate_log_event(THD*,...)");
+  DBUG_PRINT("enter",("new_log_ident %s pos %s flags %lu", new_log_ident_arg,
+                      llstr(pos_arg, buff), flags));
+#endif
+  if (flags & DUP_NAME)
+    new_log_ident= my_strdup_with_length(new_log_ident_arg,
+                                         ident_len,
+                                         MYF(MY_WME));
+  DBUG_VOID_RETURN;
+}
+#endif
+
+
 Rotate_log_event::Rotate_log_event(const char* buf, uint event_len,
                                    const Format_description_log_event* description_event)
-  :Log_event(buf, description_event) ,new_log_ident(NULL),alloced(0)
+  :Log_event(buf, description_event) ,new_log_ident(0), flags(DUP_NAME)
 {
   DBUG_ENTER("Rotate_log_event::Rotate_log_event(char*,...)");
   // The caller will ensure that event_len is what we have at EVENT_LEN_OFFSET
@@ -2983,12 +3009,9 @@ Rotate_log_event::Rotate_log_event(const char* buf, uint event_len,
                      (header_size+post_header_len)); 
   ident_offset = post_header_len; 
   set_if_smaller(ident_len,FN_REFLEN-1);
-  if (!(new_log_ident= my_strdup_with_length((byte*) buf +
-					     ident_offset,
-					     (uint) ident_len,
-					     MYF(MY_WME))))
-    DBUG_VOID_RETURN;
-  alloced = 1;
+  new_log_ident= my_strdup_with_length((byte*) buf + ident_offset,
+                                       (uint) ident_len,
+                                       MYF(MY_WME));
   DBUG_VOID_RETURN;
 }
 

sql/log_event.h

@@ -1247,18 +1247,17 @@ class Stop_log_event: public Log_event
 class Rotate_log_event: public Log_event
 {
 public:
+  enum {
+    DUP_NAME= 2 // if constructor should dup the string argument
+  };
   const char* new_log_ident;
   ulonglong pos;
   uint ident_len;
-  bool alloced;
+  uint flags;
 #ifndef MYSQL_CLIENT
   Rotate_log_event(THD* thd_arg, const char* new_log_ident_arg,
-		   uint ident_len_arg = 0,
-		   ulonglong pos_arg = LOG_EVENT_OFFSET)
-    :Log_event(), new_log_ident(new_log_ident_arg),
-    pos(pos_arg),ident_len(ident_len_arg ? ident_len_arg :
-			   (uint) strlen(new_log_ident_arg)), alloced(0)
-  {}
+		   uint ident_len_arg,
+		   ulonglong pos_arg, uint flags);
 #ifdef HAVE_REPLICATION
   void pack_info(Protocol* protocol);
   int exec_event(struct st_relay_log_info* rli);
@@ -1271,8 +1270,8 @@ class Rotate_log_event: public Log_event
                    const Format_description_log_event* description_event);
   ~Rotate_log_event()
   {
-    if (alloced)
-      my_free((gptr) new_log_ident, MYF(0));
+    if (flags & DUP_NAME)
+      my_free((gptr) new_log_ident, MYF(MY_ALLOW_ZERO_PTR));
   }
   Log_event_type get_type_code() { return ROTATE_EVENT;}
   int get_data_size() { return  ident_len + ROTATE_HEADER_LEN;}

sql/share/errmsg.txt

@@ -5420,3 +5420,5 @@ ER_ROW_IS_REFERENCED_2 23000
 	eng "Cannot delete or update a parent row: a foreign key constraint fails (%.192s)"
 ER_NO_REFERENCED_ROW_2 23000
 	eng "Cannot add or update a child row: a foreign key constraint fails (%.192s)"
+ER_SP_BAD_VAR_SHADOW 42000
+	eng "Variable '%-.64s' must be quoted with `...`, or renamed"

sql/slave.h

@@ -302,6 +302,17 @@ typedef struct st_relay_log_info
   */
   ulong trans_retries, retried_trans;
 
+  /*
+    If the end of the hot relay log is made of master's events ignored by the
+    slave I/O thread, these two keep track of the coords (in the master's
+    binlog) of the last of these events seen by the slave I/O thread. If not,
+    ign_master_log_name_end[0] == 0.
+    As they are like a Rotate event read/written from/to the relay log, they
+    are both protected by rli->relay_log.LOCK_log.
+  */
+  char ign_master_log_name_end[FN_REFLEN];
+  ulonglong ign_master_log_pos_end;
+
   st_relay_log_info();
   ~st_relay_log_info();
 

sql/sp_head.cc

@@ -1052,8 +1052,10 @@ int sp_head::execute(THD *thd)
      original thd->db will then have been freed */
   if (dbchanged)
   {
+    /* No access check when changing back to where we came from.
+       (It would generate an error from mysql_change_db() when olddb=="") */
     if (! thd->killed)
-      ret= mysql_change_db(thd, olddb, 0);
+      ret= mysql_change_db(thd, olddb, 1);
   }
   m_flags&= ~IS_INVOKED;
   DBUG_RETURN(ret);
@@ -2651,9 +2653,24 @@ sp_change_security_context(THD *thd, sp_head *sp, Security_context **backup)
                                 sp->m_definer_host.str,
                                 sp->m_db.str))
     {
+#ifdef NOT_YET_REPLICATION_SAFE
+      /*
+        Until we don't properly replicate information about stored routine
+        definer with stored routine creation statement all stored routines
+        on slave are created under ''@'' definer. Therefore we won't be able
+        to run any routine which was replicated from master on slave server
+        if we emit error here. This will cause big problems for users
+        who use slave for fail-over. So until we fully implement WL#2897
+        "Complete definer support in the stored routines" we run suid
+        stored routines for which we were unable to find definer under
+        invoker security context.
+      */
       my_error(ER_NO_SUCH_USER, MYF(0), sp->m_definer_user.str,
                sp->m_definer_host.str);
       return TRUE;
+#else
+      return FALSE;
+#endif
     }
     *backup= thd->security_ctx;
     thd->security_ctx= &sp->m_security_ctx;

sql/sql_yacc.yy

@@ -7992,6 +7992,18 @@ option_value:
 	  $2= $2 ? $2: global_system_variables.character_set_client;
 	  lex->var_list.push_back(new set_var_collation_client($2,thd->variables.collation_database,$2));
 	}
+        | NAMES_SYM equal expr
+	  {
+	    LEX *lex= Lex;
+            sp_pcontext *spc= lex->spcont;
+	    LEX_STRING names;
+
+	    names.str= (char *)"names";
+	    names.length= 5;
+	    if (spc && spc->find_pvar(&names))
+              my_error(ER_SP_BAD_VAR_SHADOW, MYF(0), names.str);
+	    YYABORT;
+	  }
 	| NAMES_SYM charset_name_or_default opt_collate
 	{
 	  LEX *lex= Lex;
@@ -8009,6 +8021,17 @@ option_value:
 	  {
 	    THD *thd=YYTHD;
 	    LEX_USER *user;
+	    LEX *lex= Lex;	    
+            sp_pcontext *spc= lex->spcont;
+	    LEX_STRING pw;
+
+	    pw.str= (char *)"password";
+	    pw.length= 8;
+	    if (spc && spc->find_pvar(&pw))
+	    {
+              my_error(ER_SP_BAD_VAR_SHADOW, MYF(0), pw.str);
+	      YYABORT;
+	    }
 	    if (!(user=(LEX_USER*) thd->alloc(sizeof(LEX_USER))))
 	      YYABORT;
 	    user->host=null_lex_str;