blob: c956e94ef77116c619d82de692d7c80e1ce89473 [file] [log] [blame]
// Copyright 2017 Google Inc. All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package zoekt
// FormatVersion is a version number. It is increased every time the
// on-disk index format is changed.
// 5: subrepositories.
// 6: remove size prefix for posting varint list.
// 7: move subrepos into Repository struct.
// 8: move repoMetaData out of indexMetadata
// 9: use bigendian uint64 for trigrams.
// 10: sections for rune offsets.
// 11: file ends in rune offsets.
// 12: 64-bit branchmasks.
// 13: content checksums
// 14: languages
// 15: rune based symbol sections
const IndexFormatVersion = 15
// FeatureVersion is increased if a feature is added that requires reindexing data
// without changing the format version
// 2: Rank field for shards.
// 3: Rank documents within shards
// 4: Dedup file bugfix
// 5: Remove max line size limit
// 6: Include '#' into the LineFragment template
// 7: Record skip reasons in the index.
// 8: Record source path in the index.
// 9: Bump default max file size.
const FeatureVersion = 9
type indexTOC struct {
fileContents compoundSection
fileNames compoundSection
fileSections compoundSection
postings compoundSection
newlines compoundSection
ngramText simpleSection
runeOffsets simpleSection
fileEndRunes simpleSection
languages simpleSection
branchMasks simpleSection
subRepos simpleSection
nameNgramText simpleSection
namePostings compoundSection
nameRuneOffsets simpleSection
metaData simpleSection
repoMetaData simpleSection
nameEndRunes simpleSection
contentChecksums simpleSection
runeDocSections simpleSection
func (t *indexTOC) sections() []section {
return []section{
// This must be first, so it can be reliably read across
// file format versions.