From dff52d0b26869caab886c82f71f0b11cbcdd33b1 Mon Sep 17 00:00:00 2001
From: Dan Gudmundsson <dgud@erlang.org>
Date: Wed, 12 Nov 2014 14:44:44 +0100
Subject: mnesia: Fix match_object bug

match_object returned wrong objects when matching on non key fields
and updates in the same transaction had been performed.
---
 lib/mnesia/src/mnesia.erl        | 6 ++++--
 lib/mnesia/src/mnesia_subscr.erl | 2 +-
 2 files changed, 5 insertions(+), 3 deletions(-)

(limited to 'lib/mnesia/src')

diff --git a/lib/mnesia/src/mnesia.erl b/lib/mnesia/src/mnesia.erl
index b7d80c1370..8f14831ad3 100644
--- a/lib/mnesia/src/mnesia.erl
+++ b/lib/mnesia/src/mnesia.erl
@@ -1140,10 +1140,12 @@ match_object(_Tid, _Ts, Tab, Pat, _LockKind) ->
 
 add_written_match(S, Pat, Tab, Objs) ->
     Ops = find_ops(S, Tab, Pat),
-    add_match(Ops, Objs, val({Tab, setorbag})).
+    FixedRes = add_match(Ops, Objs, val({Tab, setorbag})),
+    MS = ets:match_spec_compile([{Pat, [], ['$_']}]),
+    ets:match_spec_run(FixedRes, MS).
 
 find_ops(S, Tab, Pat) ->
-    GetWritten = [{{{Tab, '_'}, Pat, write}, [], ['$_']},
+    GetWritten = [{{{Tab, '_'}, '_', write}, [], ['$_']},
 		  {{{Tab, '_'}, '_', delete}, [], ['$_']},
 		  {{{Tab, '_'}, Pat, delete_object}, [], ['$_']}],
     ets:select(S, GetWritten).
diff --git a/lib/mnesia/src/mnesia_subscr.erl b/lib/mnesia/src/mnesia_subscr.erl
index 9272211ad2..866a57e370 100644
--- a/lib/mnesia/src/mnesia_subscr.erl
+++ b/lib/mnesia/src/mnesia_subscr.erl
@@ -225,7 +225,7 @@ call(Msg) ->
 	    Res = gen_server:call(Pid, Msg, infinity),
             %% We get an exit signal if server dies
             receive
-                {'EXIT', _Pid, _Reason} ->
+                {'EXIT', Pid, _Reason} ->
                     {error, {node_not_running, node()}}
             after 0 ->
                     Res
-- 
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