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yedf2 2021-09-07 10:41:21 +08:00
parent b3ffcf4cf9
commit 455b1a2471
1 changed files with 2 additions and 6 deletions
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8
dtmcli/barrier.go
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@ -49,12 +49,8 @@ func insertBarrier(tx Tx, transType string, gid string, branchID string, branchT
} }
// Call 子事务屏障，详细介绍见 https://zhuanlan.zhihu.com/p/388444465 // Call 子事务屏障，详细介绍见 https://zhuanlan.zhihu.com/p/388444465
// db: 本地数据库 // tx: 本地数据库的事务对象，允许子事务屏障进行事务操作
// transInfo: 事务信息
// bisiCall: 业务函数，仅在必要时被调用 // bisiCall: 业务函数，仅在必要时被调用
// 返回值:
// 如果发生悬挂，则busiCall不会被调用，直接返回错误 ErrFailure，全局事务尽早进行回滚
// 如果正常调用，重复调用，空补偿，返回的错误值为nil，正常往下进行
func (bb *BranchBarrier) Call(tx Tx, busiCall BusiFunc) (rerr error) { func (bb *BranchBarrier) Call(tx Tx, busiCall BusiFunc) (rerr error) {
bb.BarrierID = bb.BarrierID + 1 bb.BarrierID = bb.BarrierID + 1
bid := fmt.Sprintf("%02d", bb.BarrierID) bid := fmt.Sprintf("%02d", bb.BarrierID)
@ -62,7 +58,7 @@ func (bb *BranchBarrier) Call(tx Tx, busiCall BusiFunc) (rerr error) {
return return
} }
defer func() { defer func() {
Logf("barrier call error is %v", rerr) // Logf("barrier call error is %v", rerr)
if x := recover(); x != nil { if x := recover(); x != nil {
tx.Rollback() tx.Rollback()
panic(x) panic(x)