Line data    Source code

       1              : // Copyright 2018 The LevelDB-Go and Pebble Authors. All rights reserved. Use
       2              : // of this source code is governed by a BSD-style license that can be found in
       3              : // the LICENSE file.
       4              : 
       5              : package pebble
       6              : 
       7              : import "github.com/cockroachdb/pebble/internal/base"
       8              : 
       9              : // SeqNum exports the base.SeqNum type.
      10              : type SeqNum = base.SeqNum
      11              : 
      12              : // InternalKeyKind exports the base.InternalKeyKind type.
      13              : type InternalKeyKind = base.InternalKeyKind
      14              : 
      15              : // These constants are part of the file format, and should not be changed.
      16              : const (
      17              :         InternalKeyKindDelete         = base.InternalKeyKindDelete
      18              :         InternalKeyKindSet            = base.InternalKeyKindSet
      19              :         InternalKeyKindMerge          = base.InternalKeyKindMerge
      20              :         InternalKeyKindLogData        = base.InternalKeyKindLogData
      21              :         InternalKeyKindSingleDelete   = base.InternalKeyKindSingleDelete
      22              :         InternalKeyKindRangeDelete    = base.InternalKeyKindRangeDelete
      23              :         InternalKeyKindMax            = base.InternalKeyKindMax
      24              :         InternalKeyKindSetWithDelete  = base.InternalKeyKindSetWithDelete
      25              :         InternalKeyKindRangeKeySet    = base.InternalKeyKindRangeKeySet
      26              :         InternalKeyKindRangeKeyUnset  = base.InternalKeyKindRangeKeyUnset
      27              :         InternalKeyKindRangeKeyDelete = base.InternalKeyKindRangeKeyDelete
      28              :         InternalKeyKindRangeKeyMin    = base.InternalKeyKindRangeKeyMin
      29              :         InternalKeyKindRangeKeyMax    = base.InternalKeyKindRangeKeyMax
      30              :         InternalKeyKindIngestSST      = base.InternalKeyKindIngestSST
      31              :         InternalKeyKindDeleteSized    = base.InternalKeyKindDeleteSized
      32              :         InternalKeyKindExcise         = base.InternalKeyKindExcise
      33              :         InternalKeyKindInvalid        = base.InternalKeyKindInvalid
      34              : )
      35              : 
      36              : // InternalKeyTrailer exports the base.InternalKeyTrailer type.
      37              : type InternalKeyTrailer = base.InternalKeyTrailer
      38              : 
      39              : // InternalKey exports the base.InternalKey type.
      40              : type InternalKey = base.InternalKey
      41              : 
      42              : // MakeInternalKey constructs an internal key from a specified user key,
      43              : // sequence number and kind.
      44            0 : func MakeInternalKey(userKey []byte, seqNum SeqNum, kind InternalKeyKind) InternalKey {
      45            0 :         return base.MakeInternalKey(userKey, seqNum, kind)
      46            0 : }
      47              : 
      48              : // MakeInternalKeyTrailer constructs a trailer from a specified sequence number
      49              : // and kind.
      50            1 : func MakeInternalKeyTrailer(seqNum SeqNum, kind InternalKeyKind) InternalKeyTrailer {
      51            1 :         return base.MakeTrailer(seqNum, kind)
      52            1 : }
      53              : 
      54              : type internalIterator = base.InternalIterator
      55              : 
      56              : type topLevelIterator = base.TopLevelIterator
      57              : 
      58              : // IsCorruptionError returns true if the given error indicates database
      59              : // corruption.
      60            1 : func IsCorruptionError(err error) bool {
      61            1 :         return base.IsCorruptionError(err)
      62            1 : }
      63              : 
      64              : // ErrCorruption is a marker to indicate that data in a file (WAL, MANIFEST,
      65              : // sstable) isn't in the expected format.
      66              : // DEPRECATED: should use IsCorruptionError() instead.
      67              : var ErrCorruption = base.ErrCorruption
      68              : 
      69              : // AttributeAndLen exports the base.AttributeAndLen type.
      70              : type AttributeAndLen = base.AttributeAndLen
      71              : 
      72              : // ShortAttribute exports the base.ShortAttribute type.
      73              : type ShortAttribute = base.ShortAttribute
      74              : 
      75              : // LazyFetcher exports the base.LazyFetcher type. This export is needed since
      76              : // LazyValue.Clone requires a pointer to a LazyFetcher struct to avoid
      77              : // allocations. No code outside Pebble needs to peer into a LazyFetcher.
      78              : type LazyFetcher = base.LazyFetcher