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Merge db.Iterate and IterateObjects (#21641)

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These two functions are similiar, merge them.
This commit is contained in:
Lunny Xiao 2022-10-31 23:51:14 +08:00 committed by GitHub
parent 4ae3f76217
commit 9a70a12a34
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12 changed files with 77 additions and 51 deletions
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12
cmd/migrate_storage.go
View File

@ -83,35 +83,35 @@ var CmdMigrateStorage = cli.Command{
}
func migrateAttachments(ctx context.Context, dstStorage storage.ObjectStorage) error {
return db.IterateObjects(ctx, func(attach *repo_model.Attachment) error {
return db.Iterate(ctx, nil, func(ctx context.Context, attach *repo_model.Attachment) error {
_, err := storage.Copy(dstStorage, attach.RelativePath(), storage.Attachments, attach.RelativePath())
return err
})
}
func migrateLFS(ctx context.Context, dstStorage storage.ObjectStorage) error {
return db.IterateObjects(ctx, func(mo *git_model.LFSMetaObject) error {
return db.Iterate(ctx, nil, func(ctx context.Context, mo *git_model.LFSMetaObject) error {
_, err := storage.Copy(dstStorage, mo.RelativePath(), storage.LFS, mo.RelativePath())
return err
})
}
func migrateAvatars(ctx context.Context, dstStorage storage.ObjectStorage) error {
return db.IterateObjects(ctx, func(user *user_model.User) error {
return db.Iterate(ctx, nil, func(ctx context.Context, user *user_model.User) error {
_, err := storage.Copy(dstStorage, user.CustomAvatarRelativePath(), storage.Avatars, user.CustomAvatarRelativePath())
return err
})
}
func migrateRepoAvatars(ctx context.Context, dstStorage storage.ObjectStorage) error {
return db.IterateObjects(ctx, func(repo *repo_model.Repository) error {
return db.Iterate(ctx, nil, func(ctx context.Context, repo *repo_model.Repository) error {
_, err := storage.Copy(dstStorage, repo.CustomAvatarRelativePath(), storage.RepoAvatars, repo.CustomAvatarRelativePath())
return err
})
}
func migrateRepoArchivers(ctx context.Context, dstStorage storage.ObjectStorage) error {
return db.IterateObjects(ctx, func(archiver *repo_model.RepoArchiver) error {
return db.Iterate(ctx, nil, func(ctx context.Context, archiver *repo_model.RepoArchiver) error {
p := archiver.RelativePath()
_, err := storage.Copy(dstStorage, p, storage.RepoArchives, p)
return err
@ -119,7 +119,7 @@ func migrateRepoArchivers(ctx context.Context, dstStorage storage.ObjectStorage)
}
func migratePackages(ctx context.Context, dstStorage storage.ObjectStorage) error {
return db.IterateObjects(ctx, func(pb *packages_model.PackageBlob) error {
return db.Iterate(ctx, nil, func(ctx context.Context, pb *packages_model.PackageBlob) error {
p := packages_module.KeyToRelativePath(packages_module.BlobHash256Key(pb.HashSHA256))
_, err := storage.Copy(dstStorage, p, storage.Packages, p)
return err

10
models/db/context.go
View File

@ -8,9 +8,6 @@ import (
"context"
"database/sql"
"code.gitea.io/gitea/modules/setting"
"xorm.io/builder"
"xorm.io/xorm/schemas"
)
@ -121,13 +118,6 @@ func WithTx(f func(ctx context.Context) error, stdCtx ...context.Context) error
return sess.Commit()
}
// Iterate iterates the databases and doing something
func Iterate(ctx context.Context, tableBean interface{}, cond builder.Cond, fun func(idx int, bean interface{}) error) error {
return GetEngine(ctx).Where(cond).
BufferSize(setting.Database.IterateBufferSize).
Iterate(tableBean, fun)
}
// Insert inserts records into database
func Insert(ctx context.Context, beans ...interface{}) error {
_, err := GetEngine(ctx).Insert(beans...)

21
models/db/iterate.go
View File

@ -8,25 +8,30 @@ import (
"context"
"code.gitea.io/gitea/modules/setting"
"xorm.io/builder"
)
// IterateObjects iterate all the Bean object
func IterateObjects[Object any](ctx context.Context, f func(repo *Object) error) error {
// Iterate iterate all the Bean object
func Iterate[Bean any](ctx context.Context, cond builder.Cond, f func(ctx context.Context, bean *Bean) error) error {
var start int
batchSize := setting.Database.IterateBufferSize
sess := GetEngine(ctx)
for {
repos := make([]*Object, 0, batchSize)
if err := sess.Limit(batchSize, start).Find(&repos); err != nil {
beans := make([]*Bean, 0, batchSize)
if cond != nil {
sess = sess.Where(cond)
}
if err := sess.Limit(batchSize, start).Find(&beans); err != nil {
return err
}
if len(repos) == 0 {
if len(beans) == 0 {
return nil
}
start += len(repos)
start += len(beans)
for _, repo := range repos {
if err := f(repo); err != nil {
for _, bean := range beans {
if err := f(ctx, bean); err != nil {
return err
}
}

44
models/db/iterate_test.go Normal file
View File

@ -0,0 +1,44 @@
// Copyright 2022 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package db_test
import (
"context"
"testing"
"code.gitea.io/gitea/models/db"
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/models/unittest"
"github.com/stretchr/testify/assert"
)
func TestIterate(t *testing.T) {
assert.NoError(t, unittest.PrepareTestDatabase())
xe := unittest.GetXORMEngine()
assert.NoError(t, xe.Sync(&repo_model.RepoUnit{}))
var repoCnt int
err := db.Iterate(db.DefaultContext, nil, func(ctx context.Context, repo *repo_model.RepoUnit) error {
repoCnt++
return nil
})
assert.NoError(t, err)
assert.EqualValues(t, 79, repoCnt)
err = db.Iterate(db.DefaultContext, nil, func(ctx context.Context, repoUnit *repo_model.RepoUnit) error {
reopUnit2 := repo_model.RepoUnit{ID: repoUnit.ID}
has, err := db.GetByBean(ctx, &reopUnit2)
if err != nil {
return err
} else if !has {
return db.ErrNotExist{Resource: "repo_unit", ID: repoUnit.ID}
}
assert.EqualValues(t, repoUnit.RepoID, repoUnit.RepoID)
assert.EqualValues(t, repoUnit.CreatedUnix, repoUnit.CreatedUnix)
return nil
})
assert.NoError(t, err)
}

5
modules/doctor/breaking.go
View File

@ -18,10 +18,9 @@ import (
func iterateUserAccounts(ctx context.Context, each func(*user.User) error) error {
err := db.Iterate(
ctx,
new(user.User),
builder.Gt{"id": 0},
func(idx int, bean interface{}) error {
return each(bean.(*user.User))
func(ctx context.Context, bean *user.User) error {
return each(bean)
},
)
return err

5
modules/doctor/fix16961.go
View File

@ -269,13 +269,10 @@ func fixBrokenRepoUnits16961(ctx context.Context, logger log.Logger, autofix boo
err := db.Iterate(
ctx,
new(RepoUnit),
builder.Gt{
"id": 0,
},
func(idx int, bean interface{}) error {
unit := bean.(*RepoUnit)
func(ctx context.Context, unit *RepoUnit) error {
bs := unit.Config
repoUnit := &repo_model.RepoUnit{
ID: unit.ID,

5
modules/doctor/mergebase.go
View File

@ -21,10 +21,9 @@ import (
func iteratePRs(ctx context.Context, repo *repo_model.Repository, each func(*repo_model.Repository, *issues_model.PullRequest) error) error {
return db.Iterate(
ctx,
new(issues_model.PullRequest),
builder.Eq{"base_repo_id": repo.ID},
func(idx int, bean interface{}) error {
return each(repo, bean.(*issues_model.PullRequest))
func(ctx context.Context, bean *issues_model.PullRequest) error {
return each(repo, bean)
},
)
}

5
modules/doctor/misc.go
View File

@ -30,10 +30,9 @@ import (
func iterateRepositories(ctx context.Context, each func(*repo_model.Repository) error) error {
err := db.Iterate(
ctx,
new(repo_model.Repository),
builder.Gt{"id": 0},
func(idx int, bean interface{}) error {
return each(bean.(*repo_model.Repository))
func(ctx context.Context, bean *repo_model.Repository) error {
return each(bean)
},
)
return err

3
routers/private/mail.go
View File

@ -5,6 +5,7 @@
package private
import (
stdCtx "context"
"fmt"
"net/http"
"strconv"
@ -60,7 +61,7 @@ func SendEmail(ctx *context.PrivateContext) {
}
}
} else {
err := db.IterateObjects(ctx, func(user *user_model.User) error {
err := db.Iterate(ctx, nil, func(ctx stdCtx.Context, user *user_model.User) error {
if len(user.Email) > 0 && user.IsActive {
emails = append(emails, user.Email)
}

2
services/repository/avatar.go
View File

@ -96,7 +96,7 @@ func DeleteAvatar(repo *repo_model.Repository) error {
// RemoveRandomAvatars removes the randomly generated avatars that were created for repositories
func RemoveRandomAvatars(ctx context.Context) error {
return db.IterateObjects(ctx, func(repository *repo_model.Repository) error {
return db.Iterate(ctx, nil, func(ctx context.Context, repository *repo_model.Repository) error {
select {
case <-ctx.Done():
return db.ErrCancelledf("before random avatars removed for %s", repository.FullName())

12
services/repository/check.go
View File

@ -29,10 +29,8 @@ func GitFsck(ctx context.Context, timeout time.Duration, args []git.CmdArg) erro
if err := db.Iterate(
ctx,
new(repo_model.Repository),
builder.Expr("id>0 AND is_fsck_enabled=?", true),
func(idx int, bean interface{}) error {
repo := bean.(*repo_model.Repository)
func(ctx context.Context, repo *repo_model.Repository) error {
select {
case <-ctx.Done():
return db.ErrCancelledf("before fsck of %s", repo.FullName())
@ -64,10 +62,8 @@ func GitGcRepos(ctx context.Context, timeout time.Duration, args ...git.CmdArg)
if err := db.Iterate(
ctx,
new(repo_model.Repository),
builder.Gt{"id": 0},
func(idx int, bean interface{}) error {
repo := bean.(*repo_model.Repository)
func(ctx context.Context, repo *repo_model.Repository) error {
select {
case <-ctx.Done():
return db.ErrCancelledf("before GC of %s", repo.FullName())
@ -113,10 +109,8 @@ func gatherMissingRepoRecords(ctx context.Context) ([]*repo_model.Repository, er
repos := make([]*repo_model.Repository, 0, 10)
if err := db.Iterate(
ctx,
new(repo_model.Repository),
builder.Gt{"id": 0},
func(idx int, bean interface{}) error {
repo := bean.(*repo_model.Repository)
func(ctx context.Context, repo *repo_model.Repository) error {
select {
case <-ctx.Done():
return db.ErrCancelledf("during gathering missing repo records before checking %s", repo.FullName())

4
services/repository/hooks.go
View File

@ -25,10 +25,8 @@ func SyncRepositoryHooks(ctx context.Context) error {
if err := db.Iterate(
ctx,
new(repo_model.Repository),
builder.Gt{"id": 0},
func(idx int, bean interface{}) error {
repo := bean.(*repo_model.Repository)
func(ctx context.Context, repo *repo_model.Repository) error {
select {
case <-ctx.Done():
return db.ErrCancelledf("before sync repository hooks for %s", repo.FullName())