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forgejo/models/migrations
JakobDev 14731a34ff
Add index to issue_user.issue_id (#27154)
This fixes a performance bottleneck. It was discovered by Codeberg.
Every where query on that table (which has grown big over time) uses
this column, but there is no index on it.

See this part of the log which was posted on Matrix:
```
2023/09/10 00:52:01 ...rs/web/repo/issue.go:1446:ViewIssue() [W] [Slow SQL Query] UPDATE `issue_user` SET is_read=? WHERE uid=? AND issue_id=? [true x y] - 51.395434887s
2023/09/10 00:52:01 ...rs/web/repo/issue.go:1447:ViewIssue() [E] ReadBy: Error 1205 (HY000): Lock wait timeout exceeded; try restarting transaction
2023/09/10 00:52:01 ...eb/routing/logger.go:102:func1() [I] router: completed GET /Codeberg/Community/issues/1201 for [::ffff:xxx]:0, 500 Internal Server Error in 52384.2ms @ repo/issue.go:1256(repo.ViewIssue)
```
2023-09-21 01:30:48 +00:00
..
base Rename Sync2 -> Sync (#26479) 2023-08-13 21:17:21 +02:00
fixtures Remove wrongly added column on migration test fixtures (#23456) 2023-03-14 19:49:59 +08:00
v1_6 Rename Sync2 -> Sync (#26479) 2023-08-13 21:17:21 +02:00
v1_7 Rename Sync2 -> Sync (#26479) 2023-08-13 21:17:21 +02:00
v1_8 Rename Sync2 -> Sync (#26479) 2023-08-13 21:17:21 +02:00
v1_9 Rename Sync2 -> Sync (#26479) 2023-08-13 21:17:21 +02:00
v1_10 Rename Sync2 -> Sync (#26479) 2023-08-13 21:17:21 +02:00
v1_11 Rename Sync2 -> Sync (#26479) 2023-08-13 21:17:21 +02:00
v1_12 Rename Sync2 -> Sync (#26479) 2023-08-13 21:17:21 +02:00
v1_13 Rename Sync2 -> Sync (#26479) 2023-08-13 21:17:21 +02:00
v1_14 Rename Sync2 -> Sync (#26479) 2023-08-13 21:17:21 +02:00
v1_15 Rename Sync2 -> Sync (#26479) 2023-08-13 21:17:21 +02:00
v1_16 Replace deprecated elliptic.Marshal (#26800) 2023-08-29 22:19:40 +02:00
v1_17 Rename Sync2 -> Sync (#26479) 2023-08-13 21:17:21 +02:00
v1_18 Rename Sync2 -> Sync (#26479) 2023-08-13 21:17:21 +02:00
v1_19 Rename Sync2 -> Sync (#26479) 2023-08-13 21:17:21 +02:00
v1_20 Rename Sync2 -> Sync (#26479) 2023-08-13 21:17:21 +02:00
v1_21 Add index to issue_user.issue_id (#27154) 2023-09-21 01:30:48 +00:00
migrations.go Add index to issue_user.issue_id (#27154) 2023-09-21 01:30:48 +00:00