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Allow detect whether it's in a database transaction for a context.Context (#21756)

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Fix #19513

This PR introduce a new db method `InTransaction(context.Context)`,
and also builtin check on `db.TxContext` and `db.WithTx`.
There is also a new method `db.AutoTx` has been introduced but could be used by other PRs.

`WithTx` will always open a new transaction, if a transaction exist in context, return an error.
`AutoTx` will try to open a new transaction if no transaction exist in context.
That means it will always enter a transaction if there is no error.

Co-authored-by: delvh <dev.lh@web.de>
Co-authored-by: 6543 <6543@obermui.de>
This commit is contained in:
Lunny Xiao
2022-11-13 04:18:50 +08:00
committed by GitHub
parent a0a425a13b
commit 34283a74e8
91 changed files with 252 additions and 176 deletions
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4
models/repo/topic.go
View File

@@ -231,7 +231,7 @@ func GetRepoTopicByName(ctx context.Context, repoID int64, topicName string) (*T
// AddTopic adds a topic name to a repository (if it does not already have it)
func AddTopic(repoID int64, topicName string) (*Topic, error) {
ctx, committer, err := db.TxContext()
ctx, committer, err := db.TxContext(db.DefaultContext)
if err != nil {
return nil, err
}
@@ -293,7 +293,7 @@ func SaveTopics(repoID int64, topicNames ...string) error {
return err
}
ctx, committer, err := db.TxContext()
ctx, committer, err := db.TxContext(db.DefaultContext)
if err != nil {
return err
}