Merge romeo.(none):/home/bkroot/mysql-5.0-rpl

into  romeo.(none):/home/bk/merge-mysql-5.0

client/mysql.cc

@@ -2117,6 +2117,17 @@ com_go(String *buffer,char *line __attribute__((unused)))
       if (!mysql_num_rows(result) && ! quick && !info_flag)
       {
 	strmov(buff, "Empty set");
+        if (opt_xml)
+        { 
+          /*
+            We must print XML header and footer
+            to produce a well-formed XML even if
+            the result set is empty (Bug#27608).
+          */
+          init_pager();
+          print_table_data_xml(result);
+          end_pager();
+        }
       }
       else
       {

mysql-test/r/client_xml.result

@@ -71,4 +71,18 @@ insert into t1 values (1, 2, 'a&b a<b a>b');
 	<field name="NULL" xsi:nil="true" />
   </row>
 </resultset>
+<?xml version="1.0"?>
+
+<resultset statement="select 1 limit 0
+" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"></resultset>
+--------------
+select 1 limit 0
+--------------
+
+<?xml version="1.0"?>
+
+<resultset statement="select 1 limit 0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"></resultset>
+Empty set
+
+Bye
 drop table t1;

mysql-test/r/ctype_utf8.result

@@ -1480,6 +1480,49 @@ aa
 xxx
 yyy
 DROP TABLE t1;
+create table t1 (
+a varchar(26) not null
+) default character set utf8;
+insert into t1 (a) values ('abcdefghijklmnopqrstuvwxyz');
+select * from t1;
+a
+abcdefghijklmnopqrstuvwxyz
+alter table t1 change a a varchar(20) character set utf8 not null;
+Warnings:
+Warning	1265	Data truncated for column 'a' at row 1
+select * from t1;
+a
+abcdefghijklmnopqrst
+alter table t1 change a a char(15) character set utf8 not null;
+Warnings:
+Warning	1265	Data truncated for column 'a' at row 1
+select * from t1;
+a
+abcdefghijklmno
+alter table t1 change a a char(10) character set utf8 not null;
+Warnings:
+Warning	1265	Data truncated for column 'a' at row 1
+select * from t1;
+a
+abcdefghij
+alter table t1 change a a varchar(5) character set utf8 not null;
+Warnings:
+Warning	1265	Data truncated for column 'a' at row 1
+select * from t1;
+a
+abcde
+drop table t1;
+create table t1 (
+a varchar(4000) not null
+) default character set utf8;
+insert into t1 values (repeat('a',4000));
+alter table t1 change a a varchar(3000) character set utf8 not null;
+Warnings:
+Warning	1265	Data truncated for column 'a' at row 1
+select length(a) from t1;
+length(a)
+3000
+drop table t1;
 set names utf8;
 select hex(char(1 using utf8));
 hex(char(1 using utf8))

mysql-test/r/rpl_critical_errors.result.txt

+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;
+CREATE TABLE t1 (data LONGBLOB) ENGINE=MYISAM;
+CREATE TABLE t2 (data LONGBLOB) ENGINE=MYISAM;
+INSERT INTO t1 (data) VALUES (repeat('a',1024*1024));
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t2 SELECT * FROM t1;
+KILL QUERY 2;
+SELECT COUNT(*) FROM t2;
+COUNT(*)
+0
+SHOW SLAVE STATUS;
+Slave_IO_State	#
+Master_Host	127.0.0.1
+Master_User	root
+Master_Port	MASTER_PORT
+Connect_Retry	1
+Master_Log_File	master-bin.000001
+Read_Master_Log_Pos	#
+Relay_Log_File	#
+Relay_Log_Pos	#
+Relay_Master_Log_File	master-bin.000001
+Slave_IO_Running	Yes
+Slave_SQL_Running	No
+Replicate_Do_DB	
+Replicate_Ignore_DB	
+Replicate_Do_Table	
+Replicate_Ignore_Table	
+Replicate_Wild_Do_Table	
+Replicate_Wild_Ignore_Table	
+Last_Errno	1317
+Last_Error	#
+Skip_Counter	0
+Exec_Master_Log_Pos	#
+Relay_Log_Space	#
+Until_Condition	None
+Until_Log_File	
+Until_Log_Pos	0
+Master_SSL_Allowed	No
+Master_SSL_CA_File	
+Master_SSL_CA_Path	
+Master_SSL_Cert	
+Master_SSL_Cipher	
+Master_SSL_Key	
+Seconds_Behind_Master	#

mysql-test/r/variables.result

@@ -637,6 +637,37 @@ set lc_time_names=0;
 select @@lc_time_names;
 @@lc_time_names
 en_US
+select @@global.lc_time_names, @@lc_time_names;
+@@global.lc_time_names	@@lc_time_names
+en_US	en_US
+set @@global.lc_time_names=fr_FR;
+select @@global.lc_time_names, @@lc_time_names;
+@@global.lc_time_names	@@lc_time_names
+fr_FR	en_US
+New connection
+select @@global.lc_time_names, @@lc_time_names;
+@@global.lc_time_names	@@lc_time_names
+fr_FR	fr_FR
+set @@lc_time_names=ru_RU;
+select @@global.lc_time_names, @@lc_time_names;
+@@global.lc_time_names	@@lc_time_names
+fr_FR	ru_RU
+Returnung to default connection
+select @@global.lc_time_names, @@lc_time_names;
+@@global.lc_time_names	@@lc_time_names
+fr_FR	en_US
+set lc_time_names=default;
+select @@global.lc_time_names, @@lc_time_names;
+@@global.lc_time_names	@@lc_time_names
+fr_FR	fr_FR
+set @@global.lc_time_names=default;
+select @@global.lc_time_names, @@lc_time_names;
+@@global.lc_time_names	@@lc_time_names
+en_US	fr_FR
+set @@lc_time_names=default;
+select @@global.lc_time_names, @@lc_time_names;
+@@global.lc_time_names	@@lc_time_names
+en_US	en_US
 set @test = @@query_prealloc_size;
 set @@query_prealloc_size = @test;
 select @@query_prealloc_size = @test;

mysql-test/t/client_xml.test

@@ -17,5 +17,7 @@ insert into t1 values (1, 2, 'a&b a<b a>b');
 --exec $MYSQL --xml test -e "select 1 > 2 from dual"
 --exec $MYSQL --xml test -e "select 1 & 3 from dual"
 --exec $MYSQL --xml test -e "select null from dual"
+--exec $MYSQL --xml test -e "select 1 limit 0"
+--exec $MYSQL --xml test -vv -e "select 1 limit 0"
 
 drop table t1;

mysql-test/t/ctype_utf8.test

@@ -1192,6 +1192,41 @@ SELECT DISTINCT id FROM t1 ORDER BY id;
 
 DROP TABLE t1;
 
+#
+# Bug#20095 Changing length of VARCHAR field with UTF8
+# collation does not truncate values
+#
+create table t1 (
+  a varchar(26) not null
+) default character set utf8;
+insert into t1 (a) values ('abcdefghijklmnopqrstuvwxyz');
+select * from t1;
+# varchar to varchar
+alter table t1 change a a varchar(20) character set utf8 not null;
+select * from t1;
+# varchar to char
+alter table t1 change a a char(15) character set utf8 not null;
+select * from t1;
+# char to char
+alter table t1 change a a char(10) character set utf8 not null;
+select * from t1;
+# char to varchar
+alter table t1 change a a varchar(5) character set utf8 not null;
+select * from t1;
+drop table t1;
+
+#
+# Check that do_varstring2_mb produces a warning
+#
+create table t1 (
+  a varchar(4000) not null
+) default character set utf8;
+insert into t1 values (repeat('a',4000));
+alter table t1 change a a varchar(3000) character set utf8 not null;
+select length(a) from t1;
+drop table t1;
+
+
 #
 #  Bug#10504: Character set does not support traditional mode
 #  Bug#14146: CHAR(...USING ...) and CONVERT(CHAR(...) USING...)

mysql-test/t/rpl_critical_errors.test

+# Test for BUG#26551
+#
+
+# This test is unfortunately very fragile and very dependent on the
+# load of the computer. The test is therefore disabled normally. It is
+# entered here to demonstrate how to check that the bug is actually
+# solved.
+
+--echo Turn on parsing to run this test
+
+disable_parsing;
+
+source include/master-slave.inc;
+
+connection master;
+CREATE TABLE t1 (data LONGBLOB) ENGINE=MYISAM;
+CREATE TABLE t2 (data LONGBLOB) ENGINE=MYISAM;
+
+INSERT INTO t1 (data) VALUES (repeat('a',1024*1024));
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+INSERT INTO t1 SELECT * FROM t1;
+sync_slave_with_master;
+
+connection master;
+send INSERT INTO t2 SELECT * FROM t1;
+
+connection master1;
+
+# This sleep is picked so that the query above has started to insert
+# some rows into t2. If it hasn't the slave will not stop below.
+sleep 4;
+
+# SHOW PROCESSLIST;
+
+# Code for the 5.1 server to get the thread id of the thread executing
+# the query above.
+#
+#SET @id = 0;
+#SELECT id INTO @id
+#  FROM information_schema.processlist
+# WHERE info LIKE 'INSERT INTO t2%';
+
+# This is the connection that is executing the INSERT INTO t2...
+KILL QUERY 2;
+
+connection slave;
+
+# Here the slave will only stop if the query above actually started
+# inserting some rows into t2. Otherwise, it will hang forever.
+wait_for_slave_to_stop;
+
+# The following should be 0
+SELECT COUNT(*) FROM t2;
+
+# ... and there the error code should be 1317 (ER_QUERY_INTERRUPTED)
+--replace_result $MASTER_MYPORT MASTER_PORT
+--replace_column 1 # 7 # 8 # 9 # 20 # 22 # 23 # 33 #
+query_vertical SHOW SLAVE STATUS;
+
+enable_parsing;

mysql-test/t/variables.test

@@ -504,6 +504,30 @@ select @@lc_time_names;
 set lc_time_names=0;
 select @@lc_time_names;
 
+#
+# Bug #22648 LC_TIME_NAMES: Setting GLOBAL has no effect
+#
+select @@global.lc_time_names, @@lc_time_names;
+set @@global.lc_time_names=fr_FR;
+select @@global.lc_time_names, @@lc_time_names;
+--echo New connection
+connect (con1,localhost,root,,);
+connection con1;
+select @@global.lc_time_names, @@lc_time_names;
+set @@lc_time_names=ru_RU;
+select @@global.lc_time_names, @@lc_time_names;
+disconnect con1;
+connection default;
+--echo Returnung to default connection
+select @@global.lc_time_names, @@lc_time_names;
+set lc_time_names=default;
+select @@global.lc_time_names, @@lc_time_names;
+set @@global.lc_time_names=default;
+select @@global.lc_time_names, @@lc_time_names;
+set @@lc_time_names=default;
+select @@global.lc_time_names, @@lc_time_names;
+
+
 #
 # Bug #13334: query_prealloc_size default less than minimum
 #

sql/field_conv.cc

@@ -434,6 +434,26 @@ static void do_varstring1(Copy_field *copy)
 }
 
 
+static void do_varstring1_mb(Copy_field *copy)
+{
+  int well_formed_error;
+  CHARSET_INFO *cs= copy->from_field->charset();
+  uint from_length= (uint) *(uchar*) copy->from_ptr;
+  const char *from_ptr= copy->from_ptr + 1;
+  uint to_char_length= (copy->to_length - 1) / cs->mbmaxlen;
+  uint length= cs->cset->well_formed_len(cs, from_ptr, from_ptr + from_length,
+                                         to_char_length, &well_formed_error);
+  if (length < from_length)
+  {
+    if (current_thd->count_cuted_fields)
+      copy->to_field->set_warning(MYSQL_ERROR::WARN_LEVEL_WARN,
+                                  WARN_DATA_TRUNCATED, 1);
+  }
+  *(uchar*) copy->to_ptr= (uchar) length;
+  memcpy(copy->to_ptr + 1, from_ptr, length);
+}
+
+
 static void do_varstring2(Copy_field *copy)
 {
   uint length=uint2korr(copy->from_ptr);
@@ -459,6 +479,12 @@ static void do_varstring2_mb(Copy_field *copy)
   const char *from_beg= copy->from_ptr + HA_KEY_BLOB_LENGTH;
   uint length= cs->cset->well_formed_len(cs, from_beg, from_beg + from_length,
                                          char_length, &well_formed_error);
+  if (length < from_length)
+  {
+    if (current_thd->count_cuted_fields)
+      copy->to_field->set_warning(MYSQL_ERROR::WARN_LEVEL_WARN,
+                                  WARN_DATA_TRUNCATED, 1);
+  }  
   int2store(copy->to_ptr, length);
   memcpy(copy->to_ptr+HA_KEY_BLOB_LENGTH, from_beg, length);
 }
@@ -634,8 +660,10 @@ void (*Copy_field::get_copy_func(Field *to,Field *from))(Copy_field*)
           return do_field_string;
         if (to_length != from_length)
           return (((Field_varstring*) to)->length_bytes == 1 ?
-                  do_varstring1 : (from->charset()->mbmaxlen == 1 ?
-                                   do_varstring2 : do_varstring2_mb));
+                  (from->charset()->mbmaxlen == 1 ? do_varstring1 :
+                                                    do_varstring1_mb) :
+                  (from->charset()->mbmaxlen == 1 ? do_varstring2 :
+                                                    do_varstring2_mb));
       }
       else if (to_length < from_length)
 	return (from->charset()->mbmaxlen == 1 ?

sql/mysql_priv.h

@@ -149,6 +149,7 @@ typedef struct my_locale_st
 
 extern MY_LOCALE my_locale_en_US;
 extern MY_LOCALE *my_locales[];
+extern MY_LOCALE *my_default_lc_time_names;
 
 MY_LOCALE *my_locale_by_name(const char *name);
 MY_LOCALE *my_locale_by_number(uint number);

sql/mysqld.cc

@@ -315,6 +315,7 @@ static char *mysqld_user, *mysqld_chroot, *log_error_file_ptr;
 static char *opt_init_slave, *language_ptr, *opt_init_connect;
 static char *default_character_set_name;
 static char *character_set_filesystem_name;
+static char *lc_time_names_name;
 static char *my_bind_addr_str;
 static char *default_collation_name;
 static char compiled_default_collation_name[]= MYSQL_DEFAULT_COLLATION_NAME;
@@ -495,6 +496,8 @@ CHARSET_INFO *system_charset_info, *files_charset_info ;
 CHARSET_INFO *national_charset_info, *table_alias_charset;
 CHARSET_INFO *character_set_filesystem;
 
+MY_LOCALE *my_default_lc_time_names;
+
 SHOW_COMP_OPTION have_isam;
 SHOW_COMP_OPTION have_raid, have_ssl, have_symlink, have_query_cache;
 SHOW_COMP_OPTION have_geometry, have_rtree_keys, have_dlopen;
@@ -2826,6 +2829,14 @@ static int init_common_variables(const char *conf_file_name, int argc,
     return 1;
   global_system_variables.character_set_filesystem= character_set_filesystem;
 
+  if (!(my_default_lc_time_names=
+        my_locale_by_name(lc_time_names_name)))
+  {
+    sql_print_error("Unknown locale: '%s'", lc_time_names_name);
+    return 1;
+  }
+  global_system_variables.lc_time_names= my_default_lc_time_names;
+  
   sys_init_connect.value_length= 0;
   if ((sys_init_connect.value= opt_init_connect))
     sys_init_connect.value_length= strlen(opt_init_connect);
@@ -4749,6 +4760,7 @@ enum options_mysqld
   OPT_DEFAULT_COLLATION,
   OPT_CHARACTER_SET_CLIENT_HANDSHAKE,
   OPT_CHARACTER_SET_FILESYSTEM,
+  OPT_LC_TIME_NAMES,
   OPT_INIT_CONNECT,
   OPT_INIT_SLAVE,
   OPT_SECURE_AUTH,
@@ -5078,6 +5090,11 @@ Disable with --skip-innodb-doublewrite.", (gptr*) &innobase_use_doublewrite,
    "Client error messages in given language. May be given as a full path.",
    (gptr*) &language_ptr, (gptr*) &language_ptr, 0, GET_STR, REQUIRED_ARG,
    0, 0, 0, 0, 0, 0},
+  {"lc-time-names", OPT_LC_TIME_NAMES,
+   "Set the language used for the month names and the days of the week.",
+   (gptr*) &lc_time_names_name,
+   (gptr*) &lc_time_names_name,
+   0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
   {"local-infile", OPT_LOCAL_INFILE,
    "Enable/disable LOAD DATA LOCAL INFILE (takes values 1|0).",
    (gptr*) &opt_local_infile,
@@ -6552,7 +6569,7 @@ static void mysql_init_variables(void)
   default_collation_name= compiled_default_collation_name;
   sys_charset_system.value= (char*) system_charset_info->csname;
   character_set_filesystem_name= (char*) "binary";
-
+  lc_time_names_name= (char*) "en_US";
 
   /* Set default values for some option variables */
   global_system_variables.table_type=   DB_TYPE_MYISAM;

sql/set_var.cc

@@ -2825,6 +2825,9 @@ bool sys_var_thd_lc_time_names::check(THD *thd, set_var *var)
 
 bool sys_var_thd_lc_time_names::update(THD *thd, set_var *var)
 {
+  if (var->type == OPT_GLOBAL)
+    global_system_variables.lc_time_names= var->save_result.locale_value;
+  else
     thd->variables.lc_time_names= var->save_result.locale_value;
   return 0;
 }
@@ -2833,13 +2836,18 @@ bool sys_var_thd_lc_time_names::update(THD *thd, set_var *var)
 byte *sys_var_thd_lc_time_names::value_ptr(THD *thd, enum_var_type type,
 					  LEX_STRING *base)
 {
-  return (byte *)(thd->variables.lc_time_names->name);
+  return type == OPT_GLOBAL ?
+                 (byte *) global_system_variables.lc_time_names->name :
+                 (byte *) thd->variables.lc_time_names->name;
 }
 
 
 void sys_var_thd_lc_time_names::set_default(THD *thd, enum_var_type type)
 {
-  thd->variables.lc_time_names = &my_locale_en_US;
+  if (type == OPT_GLOBAL)
+    global_system_variables.lc_time_names= my_default_lc_time_names;
+  else
+    thd->variables.lc_time_names= global_system_variables.lc_time_names;
 }
 
 /*

sql/slave.cc

@@ -3099,6 +3099,7 @@ int check_expected_error(THD* thd, RELAY_LOG_INFO* rli, int expected_error)
   switch (expected_error) {
   case ER_NET_READ_ERROR:
   case ER_NET_ERROR_ON_WRITE:  
+  case ER_QUERY_INTERRUPTED:
   case ER_SERVER_SHUTDOWN:  
   case ER_NEW_ABORTING_CONNECTION:
     return 1;

sql/sql_class.cc

@@ -344,7 +344,6 @@ void THD::init(void)
   total_warn_count= 0;
   update_charset();
   bzero((char *) &status_var, sizeof(status_var));
-  variables.lc_time_names = &my_locale_en_US;
 }