本文整理匯總了Golang中github.com/cockroachdb/cockroach/pkg/internal/client.Txn.AddCommitTrigger方法的典型用法代碼示例。如果您正苦於以下問題：Golang Txn.AddCommitTrigger方法的具體用法？Golang Txn.AddCommitTrigger怎麽用？Golang Txn.AddCommitTrigger使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/cockroachdb/cockroach/pkg/internal/client.Txn的用法示例。
在下文中一共展示了Txn.AddCommitTrigger方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: InsertEventRecord
// InsertEventRecord inserts a single event into the event log as part of the
// provided transaction.
func (ev EventLogger) InsertEventRecord(
txn *client.Txn, eventType EventLogType, targetID, reportingID int32, info interface{},
) error {
// Record event record insertion in local log output.
txn.AddCommitTrigger(func() {
log.Infof(txn.Context, "Event: %q, target: %d, info: %+v",
eventType,
targetID,
info)
})
const insertEventTableStmt = `
INSERT INTO system.eventlog (
timestamp, eventType, targetID, reportingID, info
)
VALUES(
$1, $2, $3, $4, $5
)
`
args := []interface{}{
ev.selectEventTimestamp(txn.Proto.Timestamp),
eventType,
targetID,
reportingID,
nil, // info
}
if info != nil {
infoBytes, err := json.Marshal(info)
if err != nil {
return err
}
args[4] = string(infoBytes)
}
rows, err := ev.ExecuteStatementInTransaction("log-event", txn, insertEventTableStmt, args...)
if err != nil {
return err
}
if rows != 1 {
return errors.Errorf("%d rows affected by log insertion; expected exactly one row affected.", rows)
}
return nil
}