mirror of
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72 lines
1.2 KiB
Go
72 lines
1.2 KiB
Go
package sqlstore
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import (
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"github.com/go-xorm/xorm"
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"github.com/grafana/grafana/pkg/bus"
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"github.com/grafana/grafana/pkg/log"
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)
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type dbTransactionFunc func(sess *xorm.Session) error
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type dbTransactionFunc2 func(sess *session) error
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type session struct {
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*xorm.Session
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events []interface{}
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}
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func (sess *session) publishAfterCommit(msg interface{}) {
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sess.events = append(sess.events, msg)
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}
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func inTransaction(callback dbTransactionFunc) error {
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var err error
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sess := x.NewSession()
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defer sess.Close()
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if err = sess.Begin(); err != nil {
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return err
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}
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err = callback(sess)
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if err != nil {
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sess.Rollback()
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return err
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} else if err = sess.Commit(); err != nil {
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return err
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}
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return nil
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}
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func inTransaction2(callback dbTransactionFunc2) error {
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var err error
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sess := session{Session: x.NewSession()}
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defer sess.Close()
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if err = sess.Begin(); err != nil {
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return err
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}
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err = callback(&sess)
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if err != nil {
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sess.Rollback()
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return err
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} else if err = sess.Commit(); err != nil {
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return err
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}
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if len(sess.events) > 0 {
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for _, e := range sess.events {
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if err = bus.Publish(e); err != nil {
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log.Error(3, "Failed to publish event after commit", err)
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}
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}
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}
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return nil
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}
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