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Add another index for Action table on postgres (#21033) (#21054)

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Backport #21033

In #21031 we have discovered that on very big tables postgres will use a
search involving the sort term in preference to the restrictive index.

Therefore we add another index for postgres and update the original migration.

Fix #21031

Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
zeripath 2022-09-04 16:11:02 +01:00 committed by GitHub
parent 71aa64ae25
commit 8fc80b34a0
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 16 additions and 2 deletions
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9
models/action.go
View file

@ -98,7 +98,14 @@ func (a *Action) TableIndices() []*schemas.Index {
actUserIndex := schemas.NewIndex("au_r_c_u_d", schemas.IndexType)
actUserIndex.AddColumn("act_user_id", "repo_id", "created_unix", "user_id", "is_deleted")
return []*schemas.Index{actUserIndex, repoIndex}
indices := []*schemas.Index{actUserIndex, repoIndex}
if setting.Database.UsePostgreSQL {
cudIndex := schemas.NewIndex("c_u_d", schemas.IndexType)
cudIndex.AddColumn("created_unix", "user_id", "is_deleted")
indices = append(indices, cudIndex)
}
return indices
}
// GetOpType gets the ActionType of this action.

9
models/migrations/v218.go
View file

@ -5,6 +5,7 @@
package migrations
import (
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/timeutil"
"xorm.io/xorm"
@ -37,8 +38,14 @@ func (*improveActionTableIndicesAction) TableIndices() []*schemas.Index {
actUserIndex := schemas.NewIndex("au_r_c_u_d", schemas.IndexType)
actUserIndex.AddColumn("act_user_id", "repo_id", "created_unix", "user_id", "is_deleted")
indices := []*schemas.Index{actUserIndex, repoIndex}
if setting.Database.UsePostgreSQL {
cudIndex := schemas.NewIndex("c_u_d", schemas.IndexType)
cudIndex.AddColumn("created_unix", "user_id", "is_deleted")
indices = append(indices, cudIndex)
}
return []*schemas.Index{actUserIndex, repoIndex}
return indices
}
func improveActionTableIndices(x *xorm.Engine) error {