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Add GTID-based replication to example #615

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merged 2 commits into from
Sep 2, 2021
Merged

Add GTID-based replication to example #615

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e911007
Add GTID-based replication to example program
lance6716 Aug 20, 2021
b9bdf63
Merge branch 'master' into update-example
atercattus Sep 2, 2021
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26 changes: 22 additions & 4 deletions cmd/go-mysqlbinlog/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ var flavor = flag.String("flavor", "mysql", "Flavor: mysql or mariadb")

var file = flag.String("file", "", "Binlog filename")
var pos = flag.Int("pos", 4, "Binlog position")
var gtid = flag.String("gtid", "", "Binlog GTID set that this slave has executed")

var semiSync = flag.Bool("semisync", false, "Support semi sync")
var backupPath = flag.String("backup_path", "", "backup path to store binlog files")
Expand Down Expand Up @@ -57,10 +58,27 @@ func main() {
return
}
} else {
s, err := b.StartSync(pos)
if err != nil {
fmt.Printf("Start sync error: %v\n", errors.ErrorStack(err))
return
var (
s *replication.BinlogStreamer
err error
)
if len(*gtid) > 0 {
gset, err := mysql.ParseGTIDSet(*flavor, *gtid)
if err != nil {
fmt.Printf("Failed to parse gtid %s with flavor %s, error: %v\n",
*gtid, *flavor, errors.ErrorStack(err))
}
s, err = b.StartSyncGTID(gset)
if err != nil {
fmt.Printf("Start sync by GTID error: %v\n", errors.ErrorStack(err))
return
}
} else {
s, err = b.StartSync(pos)
if err != nil {
fmt.Printf("Start sync error: %v\n", errors.ErrorStack(err))
return
}
}

for {
Expand Down