Server(ServerError { code: 1054, message: "Unknown column 'pl_namespace' in 'where clause'", state: "42S22" }) when using outlinks on Commons

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https://petscan.wmflabs.org/?page_image=any&ores_prob_from=&ores_type=any&pagepile=&cb_labels_any_l=1&output_limit=&cb_labels_yes_l=1&edits%5Bbots%5D=both&outlinks_any=User%3AINaturalistReviewBot%2Funtagged+ignore&ns%5B6%5D=1&show_redirects=both&max_sitelink_count=&links_to_all=&outlinks_yes=&rxp_filter=&search_wiki=&show_disambiguation_pages=both&combination=subset&common_wiki_other=&source_combination=&larger=&referrer_name=&negcats=&max_age=&wikidata_label_language=&language=commons&format=html&maxlinks=&active_tab=tab_categories&referrer_url=&categories=Trichia+decipiens&langs_labels_any=&cb_labels_no_l=1&after=&interface_language=en&templates_any=&search_max_results=500&sitelinks_yes=&project=wikimedia&sitelinks_any=&depth=0&doit=

results in

Server(ServerError { code: 1054, message: "Unknown column 'pl_namespace' in 'where clause'", state: "42S22" })

likely caused by https://phabricator.wikimedia.org/T299947

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Fixed by @magnusmanske in 8c8cc1c