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internal.go
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internal.go
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// Copyright 2018 The LevelDB-Go and Pebble Authors. All rights reserved. Use
// of this source code is governed by a BSD-style license that can be found in
// the LICENSE file.
package pebble
import "github.com/cockroachdb/pebble/internal/base"
// SeqNum exports the base.SeqNum type.
type SeqNum = base.SeqNum
// InternalKeyKind exports the base.InternalKeyKind type.
type InternalKeyKind = base.InternalKeyKind
// These constants are part of the file format, and should not be changed.
const (
InternalKeyKindDelete = base.InternalKeyKindDelete
InternalKeyKindSet = base.InternalKeyKindSet
InternalKeyKindMerge = base.InternalKeyKindMerge
InternalKeyKindLogData = base.InternalKeyKindLogData
InternalKeyKindSingleDelete = base.InternalKeyKindSingleDelete
InternalKeyKindRangeDelete = base.InternalKeyKindRangeDelete
InternalKeyKindMax = base.InternalKeyKindMax
InternalKeyKindSetWithDelete = base.InternalKeyKindSetWithDelete
InternalKeyKindRangeKeySet = base.InternalKeyKindRangeKeySet
InternalKeyKindRangeKeyUnset = base.InternalKeyKindRangeKeyUnset
InternalKeyKindRangeKeyDelete = base.InternalKeyKindRangeKeyDelete
InternalKeyKindRangeKeyMin = base.InternalKeyKindRangeKeyMin
InternalKeyKindRangeKeyMax = base.InternalKeyKindRangeKeyMax
InternalKeyKindIngestSST = base.InternalKeyKindIngestSST
InternalKeyKindDeleteSized = base.InternalKeyKindDeleteSized
InternalKeyKindExcise = base.InternalKeyKindExcise
InternalKeyKindInvalid = base.InternalKeyKindInvalid
)
// InternalKeyTrailer exports the base.InternalKeyTrailer type.
type InternalKeyTrailer = base.InternalKeyTrailer
// InternalKey exports the base.InternalKey type.
type InternalKey = base.InternalKey
// MakeInternalKey constructs an internal key from a specified user key,
// sequence number and kind.
func MakeInternalKey(userKey []byte, seqNum SeqNum, kind InternalKeyKind) InternalKey {
return base.MakeInternalKey(userKey, seqNum, kind)
}
// MakeInternalKeyTrailer constructs a trailer from a specified sequence number
// and kind.
func MakeInternalKeyTrailer(seqNum SeqNum, kind InternalKeyKind) InternalKeyTrailer {
return base.MakeTrailer(seqNum, kind)
}
type internalIterator = base.InternalIterator
type topLevelIterator = base.TopLevelIterator
// ErrCorruption is a marker to indicate that data in a file (WAL, MANIFEST,
// sstable) isn't in the expected format.
var ErrCorruption = base.ErrCorruption
// AttributeAndLen exports the base.AttributeAndLen type.
type AttributeAndLen = base.AttributeAndLen
// ShortAttribute exports the base.ShortAttribute type.
type ShortAttribute = base.ShortAttribute
// LazyFetcher exports the base.LazyFetcher type. This export is needed since
// LazyValue.Clone requires a pointer to a LazyFetcher struct to avoid
// allocations. No code outside Pebble needs to peer into a LazyFetcher.
type LazyFetcher = base.LazyFetcher