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Maniphest T361197

Write to the cu_useragent table and agent_id columns on by default in extension.json
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Description

Once T361174: Write to agent_id columns in the CheckUserInsert service when migration configuration allows it and T361172: Purge rows from cu_useragent are completed, extension.json should be updated to start writing to the cu_useragent table as well as the agent_id columns in the result tables. This is needed to be done before we can start to write to this table and columns on WMF wikis in T361196.

Acceptance criteria
  • The schema migration config created in T361173 set to SCHEMA_COMPAT_READ_OLD | SCHEMA_COMPAT_WRITE_BOTH by default

Details

Related Changes in Gerrit:
SubjectRepoBranchLines +/-
Write to the cu_useragent tablemediawiki/extensions/CheckUsermaster+6 -2
Customize query in gerrit

Related Objects
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StatusSubtypeAssignedTask
 OpenFeatureNoneT315926 Provide a way to search all of the XFF addresses listed in the XFF string
 OpenFeatureNoneT326379 Normalise the XFF and user agent columns
 Resolved• TBolligerT120734 Epic ⚡️ Improve MediaWiki's blocking tools
 OpenNoneT146837 Add ability to search by user agent from CheckUser interface
 OpenNoneT249374 CU 2.0: Filter out exact UAs in the Compare tab
 OpenNoneT147894 Create index for agent_id columns in the CheckUser result tables
 OpenNoneT305930 Normalize cu_changes table
 OpenDreamy_JazzT361139 Normalise the user agent column in CheckUser result tables
 OpenDreamy_JazzT361208 Remove agent columns from CheckUser result tables
 ResolvedDreamy_JazzT361206 Stop writing old for user agent schema migration on WMF wikis
 ResolvedDreamy_JazzT361205 Stop writing old for user agent schema migration
 ResolvedDreamy_JazzT361199 Set user agent schema migration config to read new on WMF wikis
 ResolvedDreamy_JazzT361201 Set user agent schema migration config to read new in extension.json
 ResolvedDreamy_JazzT361192 Read user agent strings from the cu_useragent table in Special:CheckUser
 ResolvedDreamy_JazzT361193 Read user agent strings from the cu_useragent table in the CheckUser API
 ResolvedDreamy_JazzT361195 Read user agent strings from the cu_useragent table in Special:Investigate
 ResolvedDreamy_JazzT413893 Read from the agent_id column in misc interfaces
 ResolvedDreamy_JazzT413868 Populate the cu_useragent table and agent_id columns on WMF wikis
 ResolvedDreamy_JazzT361198 Create a maintenance script to populate the cu_useragent table and agent_id columns with values from the agent columns
 ResolvedDreamy_JazzT361196 Write to the cu_useragent table and agent_id columns on WMF wikis
 ResolvedDreamy_JazzT361197 Write to the cu_useragent table and agent_id columns on by default in extension.json
 ResolvedDreamy_JazzT361172 Purge rows from cu_useragent
 ResolvedDreamy_JazzT413873 Update remaining code that writes to the CheckUser result tables to write to the agent_id columns
 ResolvedDreamy_JazzT361174 Write to agent_id columns in the CheckUserInsert service when migration configuration allows it
 ResolvedDreamy_JazzT361173 Add schema migration config for cu_useragent table
 ResolvedDreamy_JazzT361140 Add user agent ID column to each CheckUser result table
 ResolvedDreamy_JazzT359312 Create cu_useragent table
 ResolvedMarosteguiT361631 Unable to create table cu_useragent on labtestwiki
 DeclinedNoneT328289 update labtestwiki user and password
 ResolvedPapaulT369308 Decommission clouddb2002-dev.codfw.wmnet
 ResolvedtaaviT378260 Retire labtestwiki
 ResolvedMarosteguiT361673 Filter cu_useragent on sanitarium
 OpenSnwachukwuT361210 Changes to the cuc_agent column in the cu_changes table

Event Timeline

Dreamy_Jazz created this task.Mar 28 2024, 10:02 AM
Dreamy_Jazz added subtasks: T361174: Write to agent_id columns in the CheckUserInsert service when migration configuration allows it, T361172: Purge rows from cu_useragent.
Dreamy_Jazz added a parent task: T361192: Read user agent strings from the cu_useragent table in Special:CheckUser.
Dreamy_Jazz added a parent task: T361193: Read user agent strings from the cu_useragent table in the CheckUser API.
Dreamy_Jazz added a parent task: T361195: Read user agent strings from the cu_useragent table in Special:Investigate.
Dreamy_Jazz added a parent task: T361198: Create a maintenance script to populate the cu_useragent table and agent_id columns with values from the agent columns.Mar 28 2024, 10:18 AM
Dreamy_Jazz moved this task from Inbox to Engineering on the Trust and Safety Product Team board.Aug 6 2025, 12:23 PM
Dreamy_Jazz added a project: Essential-Work.Aug 14 2025, 10:38 AM
OKryva-WMF edited projects, added Product Safety and Integrity; removed Trust and Safety Product Team.Oct 10 2025, 9:53 AM
OKryva-WMF moved this task from Inbox to Later sprints on the Product Safety and Integrity board.Oct 10 2025, 9:54 AM
Dreamy_Jazz updated the task description. (Show Details)Jan 5 2026, 2:23 PM
Dreamy_Jazz edited projects, added Product Safety and Integrity (Essential Work Sprint (Dec 15th - Jan 9th)); removed Product Safety and Integrity.
Dreamy_Jazz moved this task from Backlog to In progress on the Product Safety and Integrity (Essential Work Sprint (Dec 15th - Jan 9th)) board.Jan 6 2026, 11:05 AM
gerritbot added a comment.Jan 6 2026, 11:10 AM

Change #1223640 had a related patch set uploaded (by Dreamy Jazz; author: Dreamy Jazz):

[mediawiki/extensions/CheckUser@master] Write to the cu_useragent table

https://gerrit.wikimedia.org/r/1223640

gerritbot added a project: Patch-For-Review.Jan 6 2026, 11:10 AM
Dreamy_Jazz updated the task description. (Show Details)Jan 6 2026, 11:10 AM
Dreamy_Jazz moved this task from In progress to Needs review on the Product Safety and Integrity (Essential Work Sprint (Dec 15th - Jan 9th)) board.
Dreamy_Jazz claimed this task.Jan 6 2026, 11:17 AM
Dreamy_Jazz created subtask T413873: Update remaining code that writes to the CheckUser result tables to write to the agent_id columns.Jan 6 2026, 12:03 PM
Dreamy_Jazz added a parent task: T413893: Read from the agent_id column in misc interfaces.Jan 6 2026, 4:41 PM
gerritbot added a comment.Jan 7 2026, 1:26 PM

Change #1223640 merged by jenkins-bot:

[mediawiki/extensions/CheckUser@master] Write to the cu_useragent table

https://gerrit.wikimedia.org/r/1223640

Dreamy_Jazz closed this task as Resolved.Jan 7 2026, 1:30 PM
Dreamy_Jazz moved this task from Needs review to Done on the Product Safety and Integrity (Essential Work Sprint (Dec 15th - Jan 9th)) board.
Maintenance_bot removed a project: Patch-For-Review.Jan 7 2026, 1:30 PM
Dreamy_Jazz updated the task description. (Show Details)Jan 7 2026, 1:31 PM
Dreamy_Jazz closed subtask T361174: Write to agent_id columns in the CheckUserInsert service when migration configuration allows it as Resolved.
Dreamy_Jazz closed subtask T413873: Update remaining code that writes to the CheckUser result tables to write to the agent_id columns as Resolved.
Dreamy_Jazz closed subtask T361172: Purge rows from cu_useragent as Resolved.Mon, Jan 19, 4:22 PM
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