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ddl_puller.go(ticdc): fix DDLs are ignored when schema versions are out of order #11733

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Merged
merged 5 commits into from
Nov 15, 2024
Merged

ddl_puller.go(ticdc): fix DDLs are ignored when schema versions are out of order #11733

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880e28f
ddl_puller.go: fix DDLs are ignored when schema versions are out of o…
wlwilliamx Nov 8, 2024
aef5ff6
ddl_puller.go: deprecate the `schemaVersion` field in `ddlJobPullerImpl`
wlwilliamx Nov 15, 2024
7a4eeef
DDLPuller: add a UT for handling out-of-order schema versions
wlwilliamx Nov 15, 2024
aab6542
ddl_puller.go: delete the unused field `schemaVersion` in `ddlJobPull…
wlwilliamx Nov 15, 2024
a45ec46
Revert "DDLPuller: add a UT for handling out-of-order schema versions"
wlwilliamx Nov 15, 2024
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5 changes: 1 addition & 4 deletions cdc/puller/ddl_puller.go
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Original file line number Diff line number Diff line change
Expand Up @@ -73,7 +73,6 @@ type ddlJobPullerImpl struct {
kvStorage tidbkv.Storage
schemaStorage entry.SchemaStorage
resolvedTs uint64
schemaVersion int64
filter filter.Filter
// ddlTableInfo is initialized when receive the first concurrent DDL job.
ddlTableInfo *entry.DDLTableInfo
Expand Down Expand Up @@ -317,8 +316,7 @@ func (p *ddlJobPullerImpl) handleJob(job *timodel.Job) (skip bool, err error) {
return false, nil
}

if job.BinlogInfo.FinishedTS <= p.getResolvedTs() ||
job.BinlogInfo.SchemaVersion <= p.schemaVersion {
if job.BinlogInfo.FinishedTS <= p.getResolvedTs() {
log.Info("ddl job finishedTs less than puller resolvedTs,"+
"discard the ddl job",
zap.String("namespace", p.changefeedID.Namespace),
Expand Down Expand Up @@ -480,7 +478,6 @@ func (p *ddlJobPullerImpl) handleJob(job *timodel.Job) (skip bool, err error) {
errors.Trace(err), job.Query, job.StartTS, job.StartTS)
}
p.setResolvedTs(job.BinlogInfo.FinishedTS)
p.schemaVersion = job.BinlogInfo.SchemaVersion

return p.checkIneligibleTableDDL(snap, job)
}
Expand Down
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