jenkins-bot has submitted this change and it was merged.

Change subject: Use FOR UPDATE in prior LocalFile timestamp check
......................................................................


Use FOR UPDATE in prior LocalFile timestamp check

* This covers the case with a snapshotted transaction outside of lock()/unlock()

Change-Id: I8639c2e51cb918f452dc1576681d6224fb4fb2c0
---
M includes/filerepo/file/LocalFile.php
1 file changed, 2 insertions(+), 1 deletion(-)

Approvals:
  Anomie: Looks good to me, approved
  jenkins-bot: Verified



diff --git a/includes/filerepo/file/LocalFile.php 
b/includes/filerepo/file/LocalFile.php
index e8f70fc..a8fa8bd 100644
--- a/includes/filerepo/file/LocalFile.php
+++ b/includes/filerepo/file/LocalFile.php
@@ -1249,8 +1249,9 @@
                }
 
                if ( $timestamp === false ) {
+                       // Use FOR UPDATE in case lock()/unlock() did not start 
the transaction
                        $ltimestamp = $dbw->selectField( 'image', 
'img_timestamp',
-                               array( 'img_name' => $this->getName() ), 
__METHOD__ );
+                               array( 'img_name' => $this->getName() ), 
__METHOD__, array( 'FOR UPDATE' ) );
                        $ltime = $ltimestamp ? wfTimestamp( TS_UNIX, 
$ltimestamp ) : false;
                        $ctime = time();
                        // Avoid a timestamp that is not newer than the last 
version

-- 
To view, visit https://gerrit.wikimedia.org/r/133268
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Gerrit-MessageType: merged
Gerrit-Change-Id: I8639c2e51cb918f452dc1576681d6224fb4fb2c0
Gerrit-PatchSet: 1
Gerrit-Project: mediawiki/core
Gerrit-Branch: master
Gerrit-Owner: Aaron Schulz <asch...@wikimedia.org>
Gerrit-Reviewer: Anomie <bjor...@wikimedia.org>
Gerrit-Reviewer: jenkins-bot <>

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