Since 20140724215329
mysql:wikiadmin@db1038 [oai]> select oa_client, ou_name, count(oa_client) from oaiaudit left join oaiuser on oa_client = ou_id group by oa_client; +-----------+--------------+------------------+ | oa_client | ou_name | count(oa_client) | +-----------+--------------+------------------+ | 0 | NULL | 1055 | | 6 | lsearch2 | 126808 | | 12 | fresheye.com | 5967 | | 13 | dbpedia | 38854 | +-----------+--------------+------------------+ 4 rows in set (0.37 sec)
Seems all the NULL are oa_agent are MediaWiki OAI Harvester 0.2 (http://www.mediawiki.org/) (client id: nttr.co.jp; experimental).
Will file a bug for that.
Version: unspecified
Severity: normal