```
Adding ref_src_wiki field to table flow_wiki_ref ...[Tue Dec 15 07:50:24 2015] [hphp] [7762:7ff3e8919c80:0:000001] []
Fatal error: Uncaught exception 'DBQueryError' with message 'A database error has occurred. Did you forget to run maintenance/update.php after upgrading? See: https://www.mediawiki.org/wiki/Manual:Upgrading#Run_the_update_script
Query: UPDATE `bw_flow_wiki_ref`, `bw_flow_workflow`
SET flow_wiki_ref.ref_src_wiki = flow_workflow.workflow_wiki
WHERE
flow_wiki_ref.ref_src_workflow_id = flow_workflow.workflow_id
Function: DatabaseBase::sourceFile( /www/dev.translatewiki.net/docroot/w/extensions/Flow/db_patches/patch-reference_wiki.sql )
Error: 1054 Unknown column 'flow_wiki_ref.ref_src_wiki' in 'field list' (127.0.0.1:3306)
' in /www/dev.translatewiki.net/docroot/w/includes/db/Database.php:1090
Stack trace:
#0 /www/dev.translatewiki.net/docroot/w/includes/db/Database.php(1047): DatabaseBase->reportQueryError()
#1 /www/dev.translatewiki.net/docroot/w/includes/db/Database.php(4021): DatabaseBase->query()
#2 /www/dev.translatewiki.net/docroot/w/includes/db/Database.php(3935): DatabaseBase->sourceStream()
#3 /www/dev.translatewiki.net/docroot/w/includes/installer/DatabaseUpdater.php(669): DatabaseBase->sourceFile()
#4 /www/dev.translatewiki.net/docroot/w/includes/installer/DatabaseUpdater.php(717): DatabaseUpdater->applyPatch()
#5 /www/dev.translatewiki.net/docroot/w/includes/installer/DatabaseUpdater.php(455): DatabaseUpdater->addField()
#6 /www/dev.translatewiki.net/docroot/w/includes/installer/DatabaseUpdater.php(420): DatabaseUpdater->runUpdates()
#7 /www/dev.translatewiki.net/docroot/w/maintenance/update.php(169): DatabaseUpdater->doUpdates()
#8 /www/dev.translatewiki.net/docroot/w/maintenance/doMaintenance.php(103): UpdateMediaWiki->execute()
#9 /www/dev.translatewiki.net/docroot/w/maintenance/update.php(214): include()
#10 {main}
```
Even more mysteriously on next run of update.php claims
```
...have ref_src_wiki field in flow_wiki_ref table.
```
which sounds like my wiki will be silently corrupted now.