rkrtechnology/litestream
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Update wal segment naming

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This commit is contained in:
Ben Johnson
2021-01-14 15:26:29 -07:00
parent 1e4e9633cc
commit e1c9e09161
5 changed files with 27 additions and 25 deletions
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8
litestream.go
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@@ -219,7 +219,7 @@ func ParseSnapshotPath(s string) (index int, ext string, err error) {
return int(i64), a[2], nil
}
var snapshotPathRegex = regexp.MustCompile(`^([0-9a-f]{16})(.snapshot(?:.gz)?)$`)
var snapshotPathRegex = regexp.MustCompile(`^([0-9a-f]{8})(.snapshot(?:.gz)?)$`)
// IsWALPath returns true if s is a path to a WAL file.
func IsWALPath(s string) bool {
@@ -245,7 +245,7 @@ func ParseWALPath(s string) (index int, offset, sz int64, ext string, err error)
// FormatWALPath formats a WAL filename with a given index.
func FormatWALPath(index int) string {
assert(index >= 0, "wal index must be non-negative")
return fmt.Sprintf("%016x%s", index, WALExt)
return fmt.Sprintf("%08x%s", index, WALExt)
}
// FormatWALPathWithOffsetSize formats a WAL filename with a given index, offset & size.
@@ -253,10 +253,10 @@ func FormatWALPathWithOffsetSize(index int, offset, sz int64) string {
assert(index >= 0, "wal index must be non-negative")
assert(offset >= 0, "wal offset must be non-negative")
assert(sz >= 0, "wal size must be non-negative")
return fmt.Sprintf("%016x_%016x_%016x%s", index, offset, sz, WALExt)
return fmt.Sprintf("%08x_%08x_%08x%s", index, offset, sz, WALExt)
}
var walPathRegex = regexp.MustCompile(`^([0-9a-f]{16})(?:_([0-9a-f]{16})_([0-9a-f]{16}))?(.wal(?:.gz)?)$`)
var walPathRegex = regexp.MustCompile(`^([0-9a-f]{8})(?:_([0-9a-f]{8})_([0-9a-f]{8}))?(.wal(?:.gz)?)$`)
// isHexChar returns true if ch is a lowercase hex character.
func isHexChar(ch rune) bool {