It wasn't [[https://github.com/wikimedia/mediawiki/commit/3db2a9156944330c9e9a9e8af28797f4539998a8|a mistake]] during abstraction so I don't know what it is and why it's tinyint(4).
Affected wikis to be altered in production by @Marostegui :
[] s5
** [] apiportalwiki
** [] avwiki
** [] jawikivoyage
** [] lldwiki
** [] thankyouwiki
[] s3
** [] arywiki
** [] awawiki
** [] banwiki
** [] gcrwiki
** [] gewikimedia
** [] gomwiktionary
** [] grwikimedia
** [] hiwikisource
** [] hywwiki
** [] lijwikisource
** [] liwikinews
** [] minwiktionary
** [] mnwwiki
** [] napwikisource
** [] ngwikimedia
** [] nqowiki
** [] punjabiwikimedia
** [] shnwiki
** [] shnwiktionary
** [] shywiktionary
** [] sysop_itwiki
** [] szywiki
** [] yuewiktionary
[] Patch code to make this tinyint(4) so new wikis are created with this, to be done by @Ladsgroup