From c8f6709789dd430777f99d868439d49f6d7d51d3 Mon Sep 17 00:00:00 2001
From: Frédéric Buclin <LpSolit@gmail.com>
Date: Fri, 19 Oct 2012 01:24:10 +0200
Subject: Bug 531243: Bugzilla crashes on show_bug if it's hit while a custom
 field is being added r=justdave a=LpSolit

---
 Bugzilla/Field.pm | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'Bugzilla/Field.pm')

diff --git a/Bugzilla/Field.pm b/Bugzilla/Field.pm
index dbee5df3d..81677c7ea 100644
--- a/Bugzilla/Field.pm
+++ b/Bugzilla/Field.pm
@@ -1016,7 +1016,11 @@ sub create {
     # the parameter isn't sent to create().
     $params->{sortkey} = undef if !exists $params->{sortkey};
     $params->{type} ||= 0;
-    
+    # We mark the custom field as obsolete till it has been fully created,
+    # to avoid race conditions when viewing bugs at the same time.
+    my $is_obsolete = $params->{obsolete};
+    $params->{obsolete} = 1 if $params->{custom};
+
     $dbh->bz_start_transaction();
     $class->check_required_create_fields(@_);
     my $field_values      = $class->run_create_validators($params);
@@ -1045,6 +1049,10 @@ sub create {
             # Insert a default value of "---" into the legal values table.
             $dbh->do("INSERT INTO $name (value) VALUES ('---')");
         }
+
+        # Restore the original obsolete state of the custom field.
+        $dbh->do('UPDATE fielddefs SET obsolete = 0 WHERE id = ?', undef, $field->id)
+          unless $is_obsolete;
     }
 
     return $field;
-- 
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