Manual:Suitability of tables for sharing/de

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Some tables lend themselves better than others to being shared using $wgSharedTables .

Tabelle Can be shared? Anmerkungen
archive Nein ar_rev_id -Kollisionen
category Nein cat_title collisions
categorylinks Nein cl_from -Kollisionen
change_tag Nein ct_log_id collisions
comment Nein Houses comments linked to multiple unshareable tables.
externallinks Nein el_from -Kollisionen
filearchive Nein ?
image Nein To have a shared media repository, see $wgForeignFileRepos
imagelinks Nein il_from -Kollisionen
interwiki Ja The interwiki table contains mostly static data; it may be useful to share if you have many custom interwikis.
ipblocks Ja By sharing the ipblocks table, you can have "global blocks" so that a block on one wiki will block the user or IP on all other wikis using the shared database. There can be some minor issues when sharing the ipblocks table. Viz., the ipb_reason field is set as the "reason" on Special:Block when blocking a user. When a blocked user sees the "You are blocked" message, this is parsed as wikitext, and links are parsed on Special:BlockList, you will need to make sure when blocking a user that the message makes sense on all wikis. Also, block logs will not be shared. (You must also share your user table for shared ipblocks to work.)

Note that the comment table cannot be shared, which may cause issues with some blocking-related code, per phab:T214011.

iwlinks Nein iwl_from -Kollisionen
job Nein job_title collisions
l10n_cache ? ?
langlinks Nein ll_from -Kollisionen
linktarget ? ?
logging Nein log_page collisions
log_search Nein ls_value -Kollisionen
module_deps ? ?
objectcache Ja ?
oldimage ? ?
page Nein page_namespace and page_title collisions
pagelinks Nein pl_from -Kollisionen
page_props Nein pp_page collisions
page_restrictions Nein pr_page -Kollisionen
protected_titles Nein pt_namespace and pt_title collisions
querycache Nein qc_namespace and qc_title collisions
querycachetwo Nein qcc_namespace and qcc_title collisions
querycache_info Nein qc_type -Kollisionen
recentchanges Nein rc_cur_id collisions
redirect Nein rd_from -Kollisionen
revision Nein rev_page collisions
searchindex Nein si_page -Kollisionen
site_stats Ja The site_stats table could possibly be shared, to aggregate data over all your wikis.
tag_summary Nein ts_rc_id , ts_log_id , and ts_rev_id collisions
templatelinks Nein tl_from , tl_namespace and tl_title collisions
transcache ? ?
updatelog ? ?
uploadstash ? ?
user Ja A shared user table can be used to have multiple wikis that have shared user registrations, so that users need only sign up to one wiki. Siehe Handbuch:Gemeinsame Datenbank .
user_former groups Ja You would need to share the user table as well, and presumably user_groups.
user_groups Ja Sharing the user_groups table will allow you to have global user groups. As with the block log, the user rights log is not shared.
user_newtalk ? ?
user_properties Ja By default, the user_properties table is included in the list of shared tables.
valid_tag ? ?
watchlist Nein wl_namespace and wl_title collisions