Merge adventure.(none):/home/thek/Development/cpp/bug31153/my50-bug31153

into  adventure.(none):/home/thek/Development/cpp/bug31153/my51-bug31153

sql/mysqld.cc

@@ -2583,7 +2583,12 @@ int my_message_sql(uint error, const char *str, myf MyFlags)
     thd->query_error=  1; // needed to catch query errors during replication
 
     if (!thd->no_warnings_for_error)
+    {
+      thd->no_warnings_for_error= TRUE;
       push_warning(thd, MYSQL_ERROR::WARN_LEVEL_ERROR, error, str);
+      thd->no_warnings_for_error= FALSE;
+    }
+
     /*
       thd->lex->current_select == 0 if lex structure is not inited
       (not query command (COM_QUERY))
@@ -4582,8 +4587,13 @@ pthread_handler_t handle_connections_sockets(void *arg __attribute__((unused)))
 			  sock == unix_sock ? VIO_LOCALHOST: 0)) ||
 	my_net_init(&thd->net,vio_tmp))
     {
-      if (vio_tmp)
-	vio_delete(vio_tmp);
+      /*
+        Only delete the temporary vio if we didn't already attach it to the
+        NET object. The destructor in THD will delete any initialized net
+        structure.
+      */
+      if (vio_tmp && thd->net.vio != vio_tmp)
+        vio_delete(vio_tmp);
       else
       {
 	(void) shutdown(new_sock, SHUT_RDWR);

sql/sp_head.cc

@@ -439,14 +439,16 @@ check_routine_name(LEX_STRING *ident)
  */
 
 void *
-sp_head::operator new(size_t size)
+sp_head::operator new(size_t size) throw()
 {
   DBUG_ENTER("sp_head::operator new");
   MEM_ROOT own_root;
   sp_head *sp;
 
-  init_alloc_root(&own_root, MEM_ROOT_BLOCK_SIZE, MEM_ROOT_PREALLOC);
+  init_sql_alloc(&own_root, MEM_ROOT_BLOCK_SIZE, MEM_ROOT_PREALLOC);
   sp= (sp_head *) alloc_root(&own_root, size);
+  if (sp == NULL)
+    return NULL;
   sp->main_mem_root= own_root;
   DBUG_PRINT("info", ("mem_root 0x%lx", (ulong) &sp->mem_root));
   DBUG_RETURN(sp);
@@ -457,6 +459,10 @@ sp_head::operator delete(void *ptr, size_t size)
 {
   DBUG_ENTER("sp_head::operator delete");
   MEM_ROOT own_root;
+
+  if (ptr == NULL)
+    DBUG_VOID_RETURN;
+
   sp_head *sp= (sp_head *) ptr;
 
   /* Make a copy of main_mem_root as free_root will free the sp */
@@ -510,6 +516,9 @@ sp_head::init(LEX *lex)
 
   lex->spcont= m_pcont= new sp_pcontext();
 
+  if (!lex->spcont)
+    DBUG_VOID_RETURN;
+
   /*
     Altough trg_table_fields list is used only in triggers we init for all
     types of stored procedures to simplify reset_lex()/restore_lex() code.
@@ -1043,7 +1052,7 @@ sp_head::execute(THD *thd)
     DBUG_RETURN(TRUE);
 
   /* init per-instruction memroot */
-  init_alloc_root(&execute_mem_root, MEM_ROOT_BLOCK_SIZE, 0);
+  init_sql_alloc(&execute_mem_root, MEM_ROOT_BLOCK_SIZE, 0);
 
   DBUG_ASSERT(!(m_flags & IS_INVOKED));
   m_flags|= IS_INVOKED;
@@ -1935,16 +1944,29 @@ sp_head::execute_procedure(THD *thd, List<Item> *args)
 }
 
 
-// Reset lex during parsing, before we parse a sub statement.
-void
+/**
+  @brief Reset lex during parsing, before we parse a sub statement.
+
+  @param thd Thread handler.
+
+  @return Error state
+    @retval true An error occurred.
+    @retval false Success.
+*/
+
+bool
 sp_head::reset_lex(THD *thd)
 {
   DBUG_ENTER("sp_head::reset_lex");
   LEX *sublex;
   LEX *oldlex= thd->lex;
 
+  sublex= new (thd->mem_root)st_lex_local;
+  if (sublex == 0)
+    DBUG_RETURN(TRUE);
+
+  thd->lex= sublex;
   (void)m_lex.push_front(oldlex);
-  thd->lex= sublex= new st_lex;
 
   /* Reset most stuff. */
   lex_start(thd);
@@ -1965,7 +1987,7 @@ sp_head::reset_lex(THD *thd)
   sublex->interval_list.empty();
   sublex->type= 0;
 
-  DBUG_VOID_RETURN;
+  DBUG_RETURN(FALSE);
 }
 
 // Restore lex during parsing, after we have parsed a sub statement.
@@ -3830,7 +3852,7 @@ sp_add_to_query_tables(THD *thd, LEX *lex,
 
   if (!(table= (TABLE_LIST *)thd->calloc(sizeof(TABLE_LIST))))
   {
-    my_error(ER_OUTOFMEMORY, MYF(0), sizeof(TABLE_LIST));
+    thd->fatal_error();
     return NULL;
   }
   table->db_length= strlen(db);

sql/sp_head.h

@@ -269,10 +269,10 @@ class sp_head :private Query_arena
   Security_context m_security_ctx;
 
   static void *
-  operator new(size_t size);
+  operator new(size_t size) throw ();
 
   static void
-  operator delete(void *ptr, size_t size);
+  operator delete(void *ptr, size_t size) throw ();
 
   sp_head();
 
@@ -335,7 +335,7 @@ class sp_head :private Query_arena
   }
 
   // Resets lex in 'thd' and keeps a copy of the old one.
-  void
+  bool
   reset_lex(THD *thd);
 
   // Restores lex in 'thd' from our copy, but keeps some status from the

sql/sql_base.cc

@@ -86,7 +86,6 @@ bool Prelock_error_handler::safely_trapped_errors()
   @defgroup Data_Dictionary Data Dictionary
   @{
 */
-
 TABLE *unused_tables;				/* Used by mysql_test */
 HASH open_cache;				/* Used by mysql_test */
 static HASH table_def_cache;
@@ -3502,7 +3501,7 @@ int open_tables(THD *thd, TABLE_LIST **start, uint *counter, uint flags)
     temporary mem_root for new .frm parsing.
     TODO: variables for size
   */
-  init_alloc_root(&new_frm_mem, 8024, 8024);
+  init_sql_alloc(&new_frm_mem, 8024, 8024);
 
   thd->current_tablenr= 0;
  restart:

sql/sql_lex.h

@@ -1823,11 +1823,11 @@ typedef struct st_lex : public Query_tables_list
 
 struct st_lex_local: public st_lex
 {
-  static void *operator new(size_t size)
+  static void *operator new(size_t size) throw()
   {
     return sql_alloc(size);
   }
-  static void *operator new(size_t size, MEM_ROOT *mem_root)
+  static void *operator new(size_t size, MEM_ROOT *mem_root) throw()
   {
     return (void*) alloc_root(mem_root, (uint) size);
   }

sql/sql_prepare.cc

@@ -2700,7 +2700,7 @@ Prepared_statement::Prepared_statement(THD *thd_arg, Protocol *protocol_arg)
   last_errno(0),
   flags((uint) IS_IN_USE)
 {
-  init_alloc_root(&main_mem_root, thd_arg->variables.query_alloc_block_size,
+  init_sql_alloc(&main_mem_root, thd_arg->variables.query_alloc_block_size,
                   thd_arg->variables.query_prealloc_size);
   *last_error= '\0';
 }