Fixes while during review of last pull

Temporary patch to remove some warnings


sql/item.cc:
  Trivial optimization
sql/protocol.cc:
  Fixed spelling error
sql/sql_parse.cc:
  Fix to not get warnings during inital temp open (should be deleted after Dimitri's next push)
  Style fixes
sql/table.cc:
  Ensure that cleanup is done, even if we get an error

sql/item.cc

@@ -4390,9 +4390,8 @@ my_decimal *Item_cache_real::val_decimal(my_decimal *decimal_val)
 void Item_cache_decimal::store(Item *item)
 {
   my_decimal *val= item->val_decimal_result(&decimal_value);
-  if (val != &decimal_value && !item->null_value)
+  if (!(null_value= item->null_value) && val != &decimal_value)
     my_decimal2decimal(val, &decimal_value);
-  null_value= item->null_value;
 }
 
 double Item_cache_decimal::val_real()

sql/protocol.cc

@@ -326,7 +326,7 @@ send_ok(THD *thd, ha_rows affected_rows, ulonglong id, const char *message)
   /* We can't anymore send an error to the client */
   thd->net.report_error= 0;
   thd->net.no_send_error= 1;
-  DBUG_PRINT("info", ("OK sent, so no more error sendong allowed"));
+  DBUG_PRINT("info", ("OK sent, so no more error sending allowed"));
 
   DBUG_VOID_RETURN;
 }
@@ -388,7 +388,7 @@ send_eof(THD *thd, bool no_flush)
 	VOID(net_flush(net));
     }
     thd->net.no_send_error= 1;
-    DBUG_PRINT("info", ("EOF sent, so no more error sendong allowed"));
+    DBUG_PRINT("info", ("EOF sent, so no more error sending allowed"));
   }
   DBUG_VOID_RETURN;
 }

sql/sql_parse.cc

@@ -2363,7 +2363,10 @@ mysql_execute_command(THD *thd)
       lex->sql_command != SQLCOM_LOCK_TABLES &&
       lex->sql_command != SQLCOM_UNLOCK_TABLES)
   {
-    if (process_nested_sp(thd, lex, &locked_tables))
+    thd->no_warnings_for_error= 1;
+    res= process_nested_sp(thd, lex, &locked_tables);
+    thd->no_warnings_for_error= 0;
+    if (res)
       DBUG_RETURN(TRUE);
   }
 
@@ -4180,8 +4183,9 @@ unsent_create_error:
 	thd->row_count_func= 0;
 	res= sp->execute_procedure(thd, &lex->value_list);
 
-	/* If warnings have been cleared, we have to clear total_warn_count
-	 * too, otherwise the clients get confused.
+	/*
+          If warnings have been cleared, we have to clear total_warn_count
+          too, otherwise the clients get confused.
 	 */
 	if (thd->warn_list.is_empty())
 	  thd->total_warn_count= 0;

sql/table.cc

@@ -1800,7 +1800,8 @@ bool st_table_list::setup_ancestor(THD *thd, Item **conds,
                             alloc(select->item_list.elements *
                                   sizeof(Field_translator)))))
   {
-    DBUG_RETURN(TRUE);
+    res= TRUE;
+    goto ok;                                    // Restore thd
   }
 
   select_lex->no_wrap_view_item= 1;