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Added Freehold to the projects list in README. 

Added a few lines of documentation to clarify that read-only
transactions need to be rolled back and not committed, as per the
discussion in issue #344
pull/34/head
Tim Shannon 2015-04-23 09:49:55 -05:00
parent d647626090
commit 07590fc00b
2 changed files with 5 additions and 2 deletions
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1
README.md
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@ -587,5 +587,6 @@ Below is a list of public, open source projects that use Bolt:
* [SkyDB](https://github.com/skydb/sky) - Behavioral analytics database.
* [Seaweed File System](https://github.com/chrislusf/weed-fs) - Highly scalable distributed key~file system with O(1) disk read.
* [InfluxDB](http://influxdb.com) - Scalable datastore for metrics, events, and real-time analytics.
* [Freehold](http://tshannon.bitbucket.org/freehold/) - An open, secure, and lightweight platform for your files and data.
If you are using Bolt in a project please send a pull request to add it to the list.

6
tx.go
View File

@ -127,7 +127,8 @@ func (tx *Tx) OnCommit(fn func()) {
}
// Commit writes all changes to disk and updates the meta page.
// Returns an error if a disk write error occurs.
// Returns an error if a disk write error occurs, or if Commit is
// called on a read-only transaction.
func (tx *Tx) Commit() error {
_assert(!tx.managed, "managed tx commit not allowed")
if tx.db == nil {
@ -203,7 +204,8 @@ func (tx *Tx) Commit() error {
return nil
}
// Rollback closes the transaction and ignores all previous updates.
// Rollback closes the transaction and ignores all previous updates. Read-only
// transactions must be rolled back and not committed.
func (tx *Tx) Rollback() error {
_assert(!tx.managed, "managed tx rollback not allowed")
if tx.db == nil {