From 4f1f29eca9984c33f563b57a4d82f02ed0bf9c21 Mon Sep 17 00:00:00 2001 From: Dan Gudmundsson Date: Thu, 11 Apr 2013 08:53:57 +0200 Subject: mnesia: Fixed bad data in table If mnesia:cleartable/1 was called during a table_load an schema event with delete and write of that table is sent, which caused the table to contain the schema record instead of clearing the table. --- lib/mnesia/src/mnesia_loader.erl | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) (limited to 'lib/mnesia/src/mnesia_loader.erl') diff --git a/lib/mnesia/src/mnesia_loader.erl b/lib/mnesia/src/mnesia_loader.erl index 4ba400fbbf..4afbea1cc2 100644 --- a/lib/mnesia/src/mnesia_loader.erl +++ b/lib/mnesia/src/mnesia_loader.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2011. All Rights Reserved. +%% Copyright Ericsson AB 1998-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -487,7 +487,8 @@ finish_copy(Storage,Tab,Cs,SenderPid,DatBin,OrigTabRec) -> subscr_receiver(TabRef = {_, Tab}, RecName) -> receive - {mnesia_table_event, {Op, Val, _Tid}} -> + {mnesia_table_event, {Op, Val, _Tid}} + when element(1, Val) =:= Tab -> if Tab == RecName -> handle_event(TabRef, Op, Val); @@ -496,6 +497,15 @@ subscr_receiver(TabRef = {_, Tab}, RecName) -> end, subscr_receiver(TabRef, RecName); + {mnesia_table_event, {Op, Val, _Tid}} when element(1, Val) =:= schema -> + %% clear_table is faked via two schema events + %% a schema record delete and a write + case Op of + delete -> handle_event(TabRef, clear_table, {Tab, all}); + _ -> ok + end, + subscr_receiver(TabRef, RecName); + {'EXIT', Pid, Reason} -> handle_exit(Pid, Reason), subscr_receiver(TabRef, RecName) -- cgit v1.2.3