aleesa-bot/aleesa-phrases-go
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Upgrade versions of vendored libs

Browse Source
This commit is contained in:
eleksir
2023-06-14 01:06:17 +03:00
parent 37898d3013
commit 747ff1454e
120 changed files with 5126 additions and 1245 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
vendor/github.com/cockroachdb/pebble/internal/base/seqnums.go generated vendored
View File

@@ -4,6 +4,8 @@
package base
import "fmt"
// This file defines sequence numbers that are reserved for foreign keys i.e.
// internal keys coming from other Pebble instances and existing in shared
// storage, as those will "slot below" any internal keys added by our own Pebble
@@ -14,41 +16,41 @@ const (
// guarantee there are no keys underneath an internal key.
SeqNumZero = uint64(0)
// SeqNumL6Point is the sequence number reserved for foreign point keys in L6.
// This sequence number must be lower than SeqNumL6RangeKey for range key
// masking to work correctly.
SeqNumL6Point = uint64(1)
// SeqNumL6 is the sequence number reserved for foreign keys in L6. This seqnum
// will be used to expose any range key sets as well as point keys in L6. Range
// deletes do not need to be exposed in L6.
SeqNumL6 = uint64(1)
// SeqNumL6RangeKey is the sequence number reserved for foreign range keys in
// L6. Only RangeKeySets are expected at this level.
SeqNumL6RangeKey = uint64(2)
// SeqNumL5 is the sequence number reserved for foreign keys in L5. This seqnum
// needs to be greater than SeqNumL6, so that range deletes in L5 can be
// exposed at this level and will correctly delete covering points in L6. Also
// range key unsets/dels will be exposed at this seqnum and will need to shadow
// overlapping range keys in L6.
//
// Note that we can use the same sequence number for all exposed keys in L5 as
// range dels do not delete points at the same seqnum, and range key
// unsets/deletes do not coalesce with range key sets at the same seqnum. Range
// key masking does not care about the sequence number of overlapping points
// (rather, it applies to points based on suffixes), so we can use this seqnum
// for all L5 keys exposed.
SeqNumL5 = uint64(2)
// SeqNumL5RangeDel is the sequence number reserved for foreign range deletes
// in L5. These keys could delete L6 points.
SeqNumL5RangeDel = uint64(3)
// SeqNumL5Point is the sequence number reserved for foreign point keys in L5.
// Any sst-local range deletions would have already been applied to these keys,
// so they can safely get a sequence number higher than SeqNumL5RangeDel.
// However they must have a sequence number lower than SeqNumL5RangeKey* for
// range key masking to work correctly.
SeqNumL5Point = uint64(4)
// SeqNumL5RangeKeyUnsetDel is the sequence number reserved for foreign
// range key unsets/deletes in L5. These operations could apply to L6
// RangeKeySets, so this sequence number must be > SeqNumL6RangeKey.
SeqNumL5RangeKeyUnsetDel = uint64(5)
// SeqNumL5RangeKeySet is the sequence number reserved for foreign range key
// Sets in L5. These operations could apply to L6 RangeKeySets, so this
// sequence number must be > SeqNumL6RangeKey. Any SST-local rangekey
// unsets/dels have already been applied to them, so their sequence number must
// be > SeqNumL5RangeKeyUnsetDel.
SeqNumL5RangeKeySet = uint64(6)
// Sequence numbers 7-9 are reserved for future use.
// Sequence numbers 3-9 are reserved for future use.
// SeqNumStart is the first sequence number assigned to a key written by
// ourselves.
SeqNumStart = uint64(10)
)
// SeqNumForLevel returns the appropriate reserved sequence number for keys in
// foreign sstables at the specified level.
func SeqNumForLevel(level int) uint64 {
switch level {
case 5:
return SeqNumL5
case 6:
return SeqNumL6
default:
panic(fmt.Sprintf("unexpected foreign sstable at level %d", level))
}
}