本文整理汇总了Golang中github.com/cockroachdb/cockroach/pkg/internal/client.Txn.AddCommitTrigger方法的典型用法代码示例。如果您正苦于以下问题:Golang Txn.AddCommitTrigger方法的具体用法?Golang Txn.AddCommitTrigger怎么用?Golang Txn.AddCommitTrigger使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类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个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。
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
}