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4d69898cb2
issue: #33285 - support transaction on single wal. - last confirmed message id can still be used when enable transaction. - add fence operation for segment allocation interceptor. --------- Signed-off-by: chyezh <chyezh@outlook.com>
31 lines
664 B
Go
31 lines
664 B
Go
package message
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import "strconv"
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var (
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VersionOld Version = 0 // old version before streamingnode.
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VersionV1 Version = 1 // The message marshal unmarshal still use msgstream.
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VersionV2 Version = 2 // The message marshal unmarshal never rely on msgstream.
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)
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type Version int // message version for compatibility.
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func newMessageVersionFromString(s string) Version {
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if s == "" {
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return VersionOld
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}
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v, err := strconv.ParseInt(s, 10, 64)
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if err != nil {
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panic("unexpected message version")
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}
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return Version(v)
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}
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func (v Version) String() string {
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return strconv.FormatInt(int64(v), 10)
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}
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func (v Version) GT(v2 Version) bool {
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return v > v2
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}
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