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- Changed the parsing logic of the seqno field in the Galera state file - Added a struct to serialize/deserialize the GTID tied to the sequence number - Updated the unit tests
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Matthieu`
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Nov 8, 2023
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| package galera | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strconv" | ||
| "strings" | ||
| ) | ||
|
|
||
| // GTID represents a MariaDB global transaction identifier. | ||
| // See: https://mariadb.com/kb/en/gtid/ | ||
| type GTID struct { | ||
| DomainID uint32 `json:"domainId"` | ||
| ServerID uint32 `json:"serverId"` | ||
| SequenceNumber uint64 `json:"sequenceNumber"` | ||
| } | ||
|
|
||
| func (gtid *GTID) String() string { | ||
| return fmt.Sprintf("%d-%d-%d", gtid.DomainID, gtid.ServerID, gtid.SequenceNumber) | ||
| } | ||
|
|
||
| func (gtid *GTID) MarshalText() ([]byte, error) { | ||
| return []byte(gtid.String()), nil | ||
| } | ||
|
|
||
| func (gtid *GTID) UnmarshalText(text []byte) error { | ||
| parts := strings.Split(string(text), "-") | ||
| if len(parts) != 3 { | ||
| return fmt.Errorf("invalid gtid: %s", text) | ||
| } | ||
| domainID, err := strconv.ParseUint(parts[0], 10, 32) | ||
| if err != nil { | ||
| return fmt.Errorf("invalid domain id: %v", err) | ||
| } | ||
| serverID, err := strconv.ParseUint(parts[1], 10, 32) | ||
| if err != nil { | ||
| return fmt.Errorf("invalid server id: %v", err) | ||
| } | ||
| seqno, err := strconv.ParseUint(parts[2], 10, 64) | ||
| if err != nil { | ||
| return fmt.Errorf("invalid seqno: %v", err) | ||
| } | ||
| gtid.DomainID = uint32(domainID) | ||
| gtid.ServerID = uint32(serverID) | ||
| gtid.SequenceNumber = seqno | ||
| return nil | ||
| } |
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