Hoo man has uploaded a new change for review.

  https://gerrit.wikimedia.org/r/220551

Change subject: Use FOR UPDATE when selecting ids in SqlIdGenerator
......................................................................

Use FOR UPDATE when selecting ids in SqlIdGenerator

Seems we have collisions there, if a lot of items
are being created simultaneously.

Change-Id: Ifb5874e245f35f5239e1072f84e4d889f6614f75
---
M repo/includes/store/sql/SqlIdGenerator.php
1 file changed, 3 insertions(+), 1 deletion(-)


  git pull ssh://gerrit.wikimedia.org:29418/mediawiki/extensions/Wikibase 
refs/changes/51/220551/1

diff --git a/repo/includes/store/sql/SqlIdGenerator.php 
b/repo/includes/store/sql/SqlIdGenerator.php
index 6b33d4c..5e7cbfc 100644
--- a/repo/includes/store/sql/SqlIdGenerator.php
+++ b/repo/includes/store/sql/SqlIdGenerator.php
@@ -73,7 +73,9 @@
                $currentId = $database->selectRow(
                        'wb_id_counters',
                        'id_value',
-                       array( 'id_type' => $type )
+                       array( 'id_type' => $type ),
+                       __METHOD__,
+                       array( 'FOR UPDATE' )
                );
 
                if ( is_object( $currentId ) ) {

-- 
To view, visit https://gerrit.wikimedia.org/r/220551
To unsubscribe, visit https://gerrit.wikimedia.org/r/settings

Gerrit-MessageType: newchange
Gerrit-Change-Id: Ifb5874e245f35f5239e1072f84e4d889f6614f75
Gerrit-PatchSet: 1
Gerrit-Project: mediawiki/extensions/Wikibase
Gerrit-Branch: master
Gerrit-Owner: Hoo man <[email protected]>

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