Merge bk-internal.mysql.com:/home/bk/mysql-5.1

into  chilla.local:/home/mydev/mysql-5.1-axmrg

sql/set_var.cc

@@ -1489,6 +1489,25 @@ Item *sys_var::item(THD *thd, enum_var_type var_type, LEX_STRING *base)
     pthread_mutex_unlock(&LOCK_global_system_variables);
     return new Item_int(value,1);
   }
+  case SHOW_CHAR_PTR:
+  {
+    Item *tmp;
+    pthread_mutex_lock(&LOCK_global_system_variables);
+    char *str= *(char**) value_ptr(thd, var_type, base);
+    if (str)
+    {
+      uint length= strlen(str);
+      tmp= new Item_string(thd->strmake(str, length), length,
+                           system_charset_info, DERIVATION_SYSCONST);
+    }
+    else
+    {
+      tmp= new Item_null();
+      tmp->collation.set(system_charset_info, DERIVATION_SYSCONST);
+    }
+    pthread_mutex_unlock(&LOCK_global_system_variables);
+    return tmp;
+  }
   case SHOW_CHAR:
   {
     Item *tmp;

sql/sql_plugin.cc

@@ -278,7 +278,7 @@ static struct st_plugin_dl *plugin_dl_find(const LEX_STRING *dl)
   DBUG_ENTER("plugin_dl_find");
   for (i= 0; i < plugin_dl_array.elements; i++)
   {
-    tmp= dynamic_element(&plugin_dl_array, i, struct st_plugin_dl *);
+    tmp= *dynamic_element(&plugin_dl_array, i, struct st_plugin_dl **);
     if (tmp->ref_count &&
         ! my_strnncoll(files_charset_info,
                        (const uchar *)dl->str, dl->length,
@@ -296,17 +296,20 @@ static st_plugin_dl *plugin_dl_insert_or_reuse(struct st_plugin_dl *plugin_dl)
   DBUG_ENTER("plugin_dl_insert_or_reuse");
   for (i= 0; i < plugin_dl_array.elements; i++)
   {
-    tmp= dynamic_element(&plugin_dl_array, i, struct st_plugin_dl *);
+    tmp= *dynamic_element(&plugin_dl_array, i, struct st_plugin_dl **);
     if (! tmp->ref_count)
     {
       memcpy(tmp, plugin_dl, sizeof(struct st_plugin_dl));
       DBUG_RETURN(tmp);
     }
   }
-  if (insert_dynamic(&plugin_dl_array, (uchar*)plugin_dl))
+  if (insert_dynamic(&plugin_dl_array, (uchar*)&plugin_dl))
     DBUG_RETURN(0);
-  DBUG_RETURN(dynamic_element(&plugin_dl_array, plugin_dl_array.elements - 1,
-                              struct st_plugin_dl *));
+  tmp= *dynamic_element(&plugin_dl_array, plugin_dl_array.elements - 1,
+                        struct st_plugin_dl **)=
+      (struct st_plugin_dl *) memdup_root(&plugin_mem_root, (gptr)plugin_dl,
+                                           sizeof(struct st_plugin_dl));
+  DBUG_RETURN(tmp);
 }
 #endif /* HAVE_DLOPEN */
 
@@ -516,8 +519,8 @@ static void plugin_dl_del(const LEX_STRING *dl)
 
   for (i= 0; i < plugin_dl_array.elements; i++)
   {
-    struct st_plugin_dl *tmp= dynamic_element(&plugin_dl_array, i,
-                                              struct st_plugin_dl *);
+    struct st_plugin_dl *tmp= *dynamic_element(&plugin_dl_array, i,
+                                               struct st_plugin_dl **);
     if (tmp->ref_count &&
         ! my_strnncoll(files_charset_info,
                        (const uchar *)dl->str, dl->length,
@@ -665,21 +668,24 @@ plugin_ref plugin_lock_by_name(THD *thd, const LEX_STRING *name, int type
 static st_plugin_int *plugin_insert_or_reuse(struct st_plugin_int *plugin)
 {
   uint i;
+  struct st_plugin_int *tmp;
   DBUG_ENTER("plugin_insert_or_reuse");
   for (i= 0; i < plugin_array.elements; i++)
   {
-    struct st_plugin_int *tmp= dynamic_element(&plugin_array, i,
-                                               struct st_plugin_int *);
+    tmp= *dynamic_element(&plugin_array, i, struct st_plugin_int **);
     if (tmp->state == PLUGIN_IS_FREED)
     {
       memcpy(tmp, plugin, sizeof(struct st_plugin_int));
       DBUG_RETURN(tmp);
     }
   }
-  if (insert_dynamic(&plugin_array, (uchar*)plugin))
+  if (insert_dynamic(&plugin_array, (uchar*)&plugin))
     DBUG_RETURN(0);
-  DBUG_RETURN(dynamic_element(&plugin_array, plugin_array.elements - 1,
-                              struct st_plugin_int *));
+  tmp= *dynamic_element(&plugin_array, plugin_array.elements - 1,
+                        struct st_plugin_int **)=
+       (struct st_plugin_int *) memdup_root(&plugin_mem_root, (gptr)plugin,
+                                            sizeof(struct st_plugin_int));
+  DBUG_RETURN(tmp);
 }
 
 
@@ -873,7 +879,7 @@ static void reap_plugins(void)
 
   for (idx= 0; idx < count; idx++)
   {
-    plugin= dynamic_element(&plugin_array, idx, struct st_plugin_int *);
+    plugin= *dynamic_element(&plugin_array, idx, struct st_plugin_int **);
     if (plugin->state == PLUGIN_IS_DELETED && !plugin->ref_count)
     {
       /* change the status flag to prevent reaping by another thread */
@@ -1096,9 +1102,9 @@ int plugin_init(int *argc, char **argv, int flags)
   pthread_mutex_init(&LOCK_plugin, MY_MUTEX_INIT_FAST);
 
   if (my_init_dynamic_array(&plugin_dl_array,
-                            sizeof(struct st_plugin_dl),16,16) ||
+                            sizeof(struct st_plugin_dl *),16,16) ||
       my_init_dynamic_array(&plugin_array,
-                            sizeof(struct st_plugin_int),16,16))
+                            sizeof(struct st_plugin_int *),16,16))
     goto err;
 
   for (i= 0; i < MYSQL_MAX_PLUGIN_TYPE_NUM; i++)
@@ -1185,7 +1191,7 @@ int plugin_init(int *argc, char **argv, int flags)
 
   for (i= 0; i < plugin_array.elements; i++)
   {
-    plugin_ptr= dynamic_element(&plugin_array, i, struct st_plugin_int *);
+    plugin_ptr= *dynamic_element(&plugin_array, i, struct st_plugin_int **);
     if (plugin_ptr->state == PLUGIN_IS_UNINITIALIZED)
     {
       if (plugin_initialize(plugin_ptr))
@@ -1233,11 +1239,13 @@ static bool register_builtin(struct st_mysql_plugin *plugin,
   tmp->ref_count= 0;
   tmp->plugin_dl= 0;
 
-  if (insert_dynamic(&plugin_array, (uchar*)tmp))
+  if (insert_dynamic(&plugin_array, (uchar*)&tmp))
     DBUG_RETURN(1);
 
-  *ptr= dynamic_element(&plugin_array, plugin_array.elements - 1,
-                        struct st_plugin_int *);
+  *ptr= *dynamic_element(&plugin_array, plugin_array.elements - 1,
+                         struct st_plugin_int **)=
+        (struct st_plugin_int *) memdup_root(&plugin_mem_root, (gptr)tmp,
+                                             sizeof(struct st_plugin_int));
 
   if (my_hash_insert(&plugin_hash[plugin->type],(uchar*) *ptr))
     DBUG_RETURN(1);
@@ -1459,7 +1467,7 @@ void plugin_shutdown(void)
       reap_plugins();
       for (i= free_slots= 0; i < count; i++)
       {
-        plugin= dynamic_element(&plugin_array, i, struct st_plugin_int *);
+        plugin= *dynamic_element(&plugin_array, i, struct st_plugin_int **);
         switch (plugin->state) {
         case PLUGIN_IS_READY:
           plugin->state= PLUGIN_IS_DELETED;
@@ -1491,7 +1499,7 @@ void plugin_shutdown(void)
     */
     for (i= 0; i < count; i++)
     {
-      plugins[i]= dynamic_element(&plugin_array, i, struct st_plugin_int *);
+      plugins[i]= *dynamic_element(&plugin_array, i, struct st_plugin_int **);
       /* change the state to ensure no reaping races */
       if (plugins[i]->state == PLUGIN_IS_DELETED)
         plugins[i]->state= PLUGIN_IS_DYING;
@@ -1556,7 +1564,7 @@ void plugin_shutdown(void)
   count= plugin_dl_array.elements;
   dl= (struct st_plugin_dl **)my_alloca(sizeof(void*) * count);
   for (i= 0; i < count; i++)
-    dl[i]= dynamic_element(&plugin_dl_array, i, struct st_plugin_dl *);
+    dl[i]= *dynamic_element(&plugin_dl_array, i, struct st_plugin_dl **);
   for (i= 0; i < plugin_dl_array.elements; i++)
     free_plugin_mem(dl[i]);
   my_afree(dl);
@@ -1715,7 +1723,7 @@ bool plugin_foreach_with_mask(THD *thd, plugin_foreach_func *func,
   {
     for (idx= 0; idx < total; idx++)
     {
-      plugin= dynamic_element(&plugin_array, idx, struct st_plugin_int *);
+      plugin= *dynamic_element(&plugin_array, idx, struct st_plugin_int **);
       plugins[idx]= !(plugin->state & state_mask) ? plugin : NULL;
     }
   }
@@ -3140,7 +3148,7 @@ void my_print_help_inc_plugins(my_option *main_options, uint size)
   if (initialized)
     for (uint idx= 0; idx < plugin_array.elements; idx++)
     {
-      p= dynamic_element(&plugin_array, idx, struct st_plugin_int *);
+      p= *dynamic_element(&plugin_array, idx, struct st_plugin_int **);
 
       if (!p->plugin->system_vars ||
           !(opt= construct_help_options(&mem_root, p)))

storage/myisam/ft_boolean_search.c

@@ -286,7 +286,7 @@ static int ftb_parse_query_internal(MYSQL_FTPARSER_PARAM *param,
 }
 
 
-static void _ftb_parse_query(FTB *ftb, uchar *query, uint len,
+static int _ftb_parse_query(FTB *ftb, uchar *query, uint len,
                             struct st_mysql_ftparser *parser)
 {
   MYSQL_FTPARSER_PARAM *param;
@@ -295,9 +295,9 @@ static void _ftb_parse_query(FTB *ftb, uchar *query, uint len,
   DBUG_ASSERT(parser);
 
   if (ftb->state != UNINITIALIZED)
-    DBUG_VOID_RETURN;
+    DBUG_RETURN(0);
   if (! (param= ftparser_call_initializer(ftb->info, ftb->keynr, 0)))
-    DBUG_VOID_RETURN;
+    DBUG_RETURN(1);
 
   ftb_param.ftb= ftb;
   ftb_param.depth= 0;
@@ -312,8 +312,7 @@ static void _ftb_parse_query(FTB *ftb, uchar *query, uint len,
   param->length= len;
   param->flags= 0;
   param->mode= MYSQL_FTPARSER_FULL_BOOLEAN_INFO;
-  parser->parse(param);
-  DBUG_VOID_RETURN;
+  DBUG_RETURN(parser->parse(param));
 }
 
 
@@ -538,9 +537,10 @@ FT_INFO * ft_init_boolean_search(MI_INFO *info, uint keynr, uchar *query,
   ftbe->phrase= NULL;
   ftbe->document= 0;
   ftb->root=ftbe;
-  _ftb_parse_query(ftb, query, query_len, keynr == NO_SUCH_KEY ?
-                                          &ft_default_parser :
-                                          info->s->keyinfo[keynr].parser);
+  if (unlikely(_ftb_parse_query(ftb, query, query_len,
+                                keynr == NO_SUCH_KEY ? &ft_default_parser :
+                                info->s->keyinfo[keynr].parser)))
+    goto err;
   /*
     Hack: instead of init_queue, we'll use reinit queue to be able
     to alloc queue with alloc_root()
@@ -622,7 +622,7 @@ static int ftb_check_phrase_internal(MYSQL_FTPARSER_PARAM *param,
   {
     param->mysql_add_word(param, word.pos, word.len, 0);
     if (phrase_param->match)
-      return 1;
+      break;
   }
   return 0;
 }
@@ -640,6 +640,7 @@ static int ftb_check_phrase_internal(MYSQL_FTPARSER_PARAM *param,
 
   RETURN VALUE
     1 is returned if phrase found, 0 else.
+    -1 is returned if error occurs.
 */
 
 static int _ftb_check_phrase(FTB *ftb, const uchar *document, uint len,
@@ -668,12 +669,13 @@ static int _ftb_check_phrase(FTB *ftb, const uchar *document, uint len,
   param->length= len;
   param->flags= 0;
   param->mode= MYSQL_FTPARSER_WITH_STOPWORDS;
-  parser->parse(param);
+  if (unlikely(parser->parse(param)))
+    return -1;
   DBUG_RETURN(ftb_param.match ? 1 : 0);
 }
 
 
-static void _ftb_climb_the_tree(FTB *ftb, FTB_WORD *ftbw, FT_SEG_ITERATOR *ftsi_orig)
+static int _ftb_climb_the_tree(FTB *ftb, FTB_WORD *ftbw, FT_SEG_ITERATOR *ftsi_orig)
 {
   FT_SEG_ITERATOR ftsi;
   FTB_EXPR *ftbe;
@@ -705,17 +707,19 @@ static void _ftb_climb_the_tree(FTB *ftb, FTB_WORD *ftbw, FT_SEG_ITERATOR *ftsi_
         weight=ftbe->cur_weight*ftbe->weight;
         if (mode && ftbe->phrase)
         {
-          int not_found=1;
+          int found= 0;
 
           memcpy(&ftsi, ftsi_orig, sizeof(ftsi));
-          while (_mi_ft_segiterator(&ftsi) && not_found)
+          while (_mi_ft_segiterator(&ftsi) && !found)
           {
             if (!ftsi.pos)
               continue;
-            not_found = ! _ftb_check_phrase(ftb, ftsi.pos, ftsi.len,
-                                            ftbe, parser);
+            found= _ftb_check_phrase(ftb, ftsi.pos, ftsi.len, ftbe, parser);
+            if (unlikely(found < 0))
+              return 1;
           }
-          if (not_found) break;
+          if (!found)
+            break;
         } /* ftbe->quot */
       }
       else
@@ -747,6 +751,7 @@ static void _ftb_climb_the_tree(FTB *ftb, FTB_WORD *ftbw, FT_SEG_ITERATOR *ftsi_
       weight*= ftbe->weight;
     }
   }
+  return 0;
 }
 
 
@@ -779,7 +784,11 @@ int ft_boolean_read_next(FT_INFO *ftb, char *record)
   {
     while (curdoc == (ftbw=(FTB_WORD *)queue_top(& ftb->queue))->docid[0])
     {
-      _ftb_climb_the_tree(ftb, ftbw, 0);
+      if (unlikely(_ftb_climb_the_tree(ftb, ftbw, 0)))
+      {
+        my_errno= HA_ERR_OUT_OF_MEM;
+        goto err;
+      }
 
       /* update queue */
       _ft2_search(ftb, ftbw, 0);
@@ -855,7 +864,8 @@ static int ftb_find_relevance_add_word(MYSQL_FTPARSER_PARAM *param,
     if (ftbw->docid[1] == ftb->info->lastpos)
       continue;
     ftbw->docid[1]= ftb->info->lastpos;
-     _ftb_climb_the_tree(ftb, ftbw, ftb_param->ftsi);
+    if (unlikely(_ftb_climb_the_tree(ftb, ftbw, ftb_param->ftsi)))
+      return 1;
   }
   return(0);
 }
@@ -927,7 +937,8 @@ float ft_boolean_find_relevance(FT_INFO *ftb, uchar *record, uint length)
       continue;
     param->doc= (uchar *)ftsi.pos;
     param->length= ftsi.len;
-    parser->parse(param);
+    if (unlikely(parser->parse(param)))
+      return 0;
   }
   ftbe=ftb->root;
   if (ftbe->docid[1]==docid && ftbe->cur_weight>0 &&

storage/myisam/ft_nlq_search.c

@@ -257,8 +257,12 @@ FT_INFO *ft_init_nlq_search(MI_INFO *info, uint keynr, uchar *query,
       {
         info->update|= HA_STATE_AKTIV;
         ftparser_param->flags= MYSQL_FTFLAGS_NEED_COPY;
-        _mi_ft_parse(&wtree, info, keynr, record, ftparser_param,
-                     &wtree.mem_root);
+        if (unlikely(_mi_ft_parse(&wtree, info, keynr, record, ftparser_param,
+                                  &wtree.mem_root)))
+        {
+          delete_queue(&best);
+          goto err;
+        }
       }
     }
     delete_queue(&best);