* Change: https://gerrit.wikimedia.org/r/#/c/304165/ (merged)
* ALTERS (copied from patch):
```
-- Primary key in tag_summary table
ALTER TABLE /*$wgDBprefix*/tag_summary
ADD COLUMN ts_id INT UNSIGNED NOT NULL AUTO_INCREMENT FIRST,
ADD PRIMARY KEY (ts_id);
```
```
-- Primary key in change_tag table
ALTER TABLE /*$wgDBprefix*/change_tag
ADD COLUMN ct_id INT UNSIGNED NOT NULL AUTO_INCREMENT FIRST,
ADD PRIMARY KEY (ct_id);
```
* Where: All wikis
* When: Any time, not dependent upon any code changes
* Tested on beta: Once the patch is merged, it will automatically be applied to all beta cluster databases
* No private data: New columns are all auto increment ids, and have no private data
**Status as of 2017-04-27:** Done on eqiad, pending on codfw
** Status in codfw as of 2017-05-09
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