resolve new updates group_concat

include/mysqld_error.h:
  resolve error message
sql/mysqld.cc:
  resolve option
sql/set_var.cc:
  resolve variable
sql/share/english/errmsg.txt:
  resolve error message
sql/sql_class.h:
  resolve

include/mysqld_error.h

@@ -266,5 +266,9 @@
 #define ER_SELECT_REDUCED 1247
 #define ER_TABLENAME_NOT_ALLOWED_HERE 1248
 #define ER_NOT_SUPPORTED_AUTH_MODE    1249
-#define ER_CUT_VALUE_GROUP_CONCAT 1250
-#define ER_ERROR_MESSAGES 251
+#define ER_SPATIAL_CANT_HAVE_NULL 1250
+#define ER_COLLATION_CHARSET_MISMATCH 1251
+#define ER_SLAVE_WAS_RUNNING 1252
+#define ER_SLAVE_WAS_NOT_RUNNING 1253
+#define ER_CUT_VALUE_GROUP_CONCAT 1254
+#define ER_ERROR_MESSAGES 255

sql/mysqld.cc

@@ -3485,6 +3485,7 @@ enum options
   OPT_OLD_PASSWORDS,
   OPT_EXPIRE_LOGS_DAYS,
   OPT_DEFAULT_WEEK_FORMAT
+  OPT_GROUP_CONCAT_MAX_LEN
 };
 
 
@@ -3600,6 +3601,11 @@ struct my_option my_long_options[] =
    GET_LONG, OPT_ARG, 0, 0, 0, 0, 0, 0},
   {"flush", OPT_FLUSH, "Flush tables to disk between SQL commands", 0, 0, 0,
    GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
+  { "group_concat_max_len", OPT_GROUP_CONCAT_MAX_LEN,
+    "The maximum length of the result of function  group_concat.",
+    (gptr*) &global_system_variables.group_concat_max_len, 
+    (gptr*) &max_system_variables.group_concat_max_len, 0, GET_ULONG,
+    REQUIRED_ARG, 1024, 4, (long) ~0, 0, 1, 0},
   /* We must always support the next option to make scripts like mysqltest
      easier to do */
   {"init-rpl-role", OPT_INIT_RPL_ROLE, "Set the replication role", 0, 0, 0,

sql/set_var.cc

@@ -323,6 +323,9 @@ static sys_var_rand_seed2	sys_rand_seed2("rand_seed2");
 static sys_var_thd_ulong        sys_default_week_format("default_week_format",
 					                &SV::default_week_format);
 
+sys_var_thd_ulong               sys_group_concat_max_len("group_concat_max_len",
+                                                         &SV::group_concat_max_len);
+
 /*
   List of all variables for initialisation and storage in hash
   This is sorted in alphabetical order to make it easy to add new variables
@@ -354,6 +357,7 @@ sys_var *sys_variables[]=
   &sys_flush,
   &sys_flush_time,
   &sys_foreign_key_checks,
+  &sys_group_concat_max_len,
   &sys_identity,
   &sys_insert_id,
   &sys_interactive_timeout,

sql/share/english/errmsg.txt

@@ -166,7 +166,7 @@
 "Result string is longer than max_allowed_packet",
 "The used table type doesn't support BLOB/TEXT columns",
 "The used table type doesn't support AUTO_INCREMENT columns",
-"INSERT DELAYED can't be used with table '%-.64s', because it is locked with LOCK TABLES",
+"INSERT DELAYED can't be used with table '%-.64s' because it is locked with LOCK TABLES",
 "Incorrect column name '%-.100s'",
 "The used table handler can't index column '%-.64s'",
 "All tables in the MERGE table are not identically defined",
@@ -198,7 +198,7 @@
 "Table '%-.64s' is marked as crashed and should be repaired",
 "Table '%-.64s' is marked as crashed and last (automatic?) repair failed",
 "Some non-transactional changed tables couldn't be rolled back",
-"Multi-statement transaction required more than 'max_binlog_cache_size' bytes of storage. Increase this mysqld variable and try again',
+"Multi-statement transaction required more than 'max_binlog_cache_size' bytes of storage. Increase this mysqld variable and try again",
 "This operation cannot be performed with a running slave, run STOP SLAVE first",
 "This operation requires a running slave, configure slave and do START SLAVE",
 "The server is not configured as slave, fix in config file or with CHANGE MASTER TO",
@@ -250,5 +250,9 @@
 "Every derived table must have it's own alias",
 "Select %u was reduced during optimisation",
 "Table '%-.64s' from one of SELECT's can not be used  in %-.32s"
-"Client does not support authentication protocol requested by server. Consider upgrading MySQL client",
+"Client does not support authentication protocol requested by server. Consider upgrading MySQL client"
+"All parts of a SPATIAL KEY must be NOT NULL"
+"COLLATION '%s' is not valid for CHARACTER SET '%s'"
+"The slave was already running"
+"The slave was already stopped"
 "%d line(s) was(were) cut by group_concat()"

sql/sql_class.h

@@ -34,6 +34,8 @@ enum enum_log_type { LOG_CLOSED, LOG_NORMAL, LOG_NEW, LOG_BIN };
 enum enum_delay_key_write { DELAY_KEY_WRITE_NONE, DELAY_KEY_WRITE_ON,
 			    DELAY_KEY_WRITE_ALL };
 
+extern char internal_table_name[2];
+
 // log info errors
 #define LOG_INFO_EOF -1
 #define LOG_INFO_IO  -2
@@ -143,7 +145,9 @@ class MYSQL_LOG {
   int generate_new_name(char *new_name,const char *old_name);
   void make_log_name(char* buf, const char* log_ident);
   bool is_active(const char* log_file_name);
+  int update_log_index(LOG_INFO* linfo);
   int purge_logs(THD* thd, const char* to_log);
+  int purge_logs_before_date(THD* thd, time_t purge_time);
   int purge_first_log(struct st_relay_log_info* rli); 
   bool reset_logs(THD* thd);
   // if we are exiting, we also want to close the index file
@@ -170,32 +174,6 @@ class MYSQL_LOG {
 
 /* character conversion tables */
 
-class CONVERT;
-CONVERT *get_convert_set(const char *name_ptr);
-
-class CONVERT
-{
-  const uchar *from_map,*to_map;
-  void convert_array(const uchar *mapping,uchar *buff,uint length);
-public:
-  const char *name;
-  uint numb;
-  CONVERT(const char *name_par,uchar *from_par,uchar *to_par, uint number)
-    :from_map(from_par),to_map(to_par),name(name_par),numb(number) {}
-  friend CONVERT *get_convert_set(const char *name_ptr);
-  inline void convert(char *a,uint length)
-  {
-    convert_array(from_map, (uchar*) a,length);
-  }
-  char *store_dest(char *to, const char *from, uint length)
-  {
-    for (const char *end=from+length ; from != end ; from++)
-      *to++= to_map[(uchar) *from];
-    return to;
-  }
-  bool store(String *, const char *,uint);
-  inline uint number() { return numb; }
-};
 
 typedef struct st_copy_info {
   ha_rows records;
@@ -360,10 +338,6 @@ class select_result;
 #define THD_SENTRY_MAGIC 0xfeedd1ff
 #define THD_SENTRY_GONE  0xdeadbeef
 
-#ifdef EMBEDDED_LIBRARY
-typedef struct st_mysql;
-#endif
-
 #define THD_CHECK_SENTRY(thd) DBUG_ASSERT(thd->dbug_sentry == THD_SENTRY_MAGIC)
 
 struct system_variables
@@ -396,6 +370,7 @@ struct system_variables
   ulong tmp_table_size;
   ulong tx_isolation;
   ulong sql_mode;
+  ulong default_week_format;
   ulong group_concat_max_len;
   /*
     In slave thread we need to know in behalf of which
@@ -404,9 +379,10 @@ struct system_variables
   ulong pseudo_thread_id;
 
   my_bool log_warnings;
-  my_bool low_priority_updates; 
+  my_bool low_priority_updates;
+  my_bool new_mode;
+  my_bool convert_result_charset;
 
-  CONVERT	*convert_set;
   CHARSET_INFO 	*thd_charset;
 };
 
@@ -453,8 +429,9 @@ class THD :public ilink
     db - currently selected database
     ip - client IP
    */
-  
   char	  *host,*user,*priv_user,*db,*ip;
+  /* remote (peer) port */
+  uint16 peer_port;
   /* Points to info-string that will show in SHOW PROCESSLIST */
   const char *proc_info;
   /* points to host if host is available, otherwise points to ip */
@@ -577,6 +554,7 @@ class THD :public ilink
 
   void init(void);
   void change_user(void);
+  void init_for_queries();
   void cleanup(void);
   bool store_globals();
 #ifdef SIGNAL_WITH_VIO_CLOSE
@@ -684,7 +662,9 @@ class THD :public ilink
   {
     is_fatal_error= 1;
     net.report_error= 1; 
+    DBUG_PRINT("error",("Fatal error set"));
   }
+  inline CHARSET_INFO *charset() { return variables.thd_charset; }
 };
 
 /*
@@ -910,10 +890,11 @@ class Table_ident :public Sql_alloc
   LEX_STRING db;
   LEX_STRING table;
   SELECT_LEX_UNIT *sel;
-  inline Table_ident(LEX_STRING db_arg, LEX_STRING table_arg, bool force)
+  inline Table_ident(THD *thd, LEX_STRING db_arg, LEX_STRING table_arg,
+		     bool force)
     :table(table_arg), sel((SELECT_LEX_UNIT *)0)
   {
-    if (!force && (current_thd->client_capabilities & CLIENT_NO_SCHEMA))
+    if (!force && (thd->client_capabilities & CLIENT_NO_SCHEMA))
       db.str=0;
     else
       db= db_arg;
@@ -925,7 +906,8 @@ class Table_ident :public Sql_alloc
   }
   inline Table_ident(SELECT_LEX_UNIT *s) : sel(s) 
   {
-    db.str=0; table.str=(char *)""; table.length=0;
+    /* We must have a table name here as this is used with add_table_to_list */
+    db.str=0; table.str= internal_table_name; table.length=1;
   }
   inline void change_db(char *db_name)
   {
@@ -942,6 +924,7 @@ class user_var_entry
   ulong length, update_query_id, used_query_id;
   Item_result type;
   CHARSET_INFO *var_charset;
+  enum Item::coercion var_coercibility;
 };
 
 /* Class for unique (removing of duplicates) */
@@ -1000,7 +983,7 @@ class multi_update : public select_result
 {
   TABLE_LIST *all_tables, *update_tables, *table_being_updated;
   THD *thd;
-  TABLE **tmp_tables, *main_table;
+  TABLE **tmp_tables, *main_table, *table_to_update;
   TMP_TABLE_PARAM *tmp_table_param;
   ha_rows updated, found;
   List <Item> *fields, *values;