colstore

package
v1.4.1 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jun 5, 2025 License: Apache-2.0 Imports: 18 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	PKMetaPrefixSize = util.Uint64SizeBytes*2 + util.Uint32SizeBytes*2
	CRCLen           = 4
)
View Source 
const (
	CoarseIndexFragment        int    = 8
	MinRowsForSeek             int    = 0
	IndexFileSuffix            string = ".idx"
	MinMaxIndexFileSuffix      string = ".mm"
	SetIndexFileSuffix         string = ".set"
	BloomFilterIndexFileSuffix string = ".bf"
	TextIndexDataFileSuffix    string = ".pos" // posting list
	TextIndexHeadFileSuffix    string = ".bh"  // block header
	TextIndexPartFileSuffix    string = ".ph"  // part header
	DefaultTCLocation          int8   = -1
)
View Source 
const (
	TextIndexData = iota
	TextIndexHead
	TextIndexPart
	TextIndexMax
)

Variables

This section is empty.

Functions

func AppendPKIndexSuffix added in v1.2.0 

func AppendPKIndexSuffix(dataPath string) string

func AppendSecondaryIndexSuffix added in v1.3.0 

func AppendSecondaryIndexSuffix(dataPath string, fieldName string, indexType index.IndexType, fileType int) string

func InitDecFunctions 

func InitDecFunctions()

func MarshalPkMetaBlock added in v1.3.0 

func MarshalPkMetaBlock(startId, endId uint64, offset, size uint32, meta, colsOffset []byte) []byte

Types

type ChunkBuilder 

type ChunkBuilder struct {
	// contains filtered or unexported fields
}

func NewChunkBuilder 

func NewChunkBuilder() *ChunkBuilder

func (*ChunkBuilder) EncodeChunk 

func (b *ChunkBuilder) EncodeChunk(rec *record.Record, dst []byte, offset []byte, offsetStart uint32) ([]byte, error)

type ColumnBuilder 

type ColumnBuilder struct {
	// contains filtered or unexported fields
}

func NewColumnBuilder 

func NewColumnBuilder() *ColumnBuilder

func (*ColumnBuilder) EncodeColumn 

func (b *ColumnBuilder) EncodeColumn(ref *record.Field, col *record.ColVal) ([]byte, error)

type DetachedPKData added in v1.2.0 

type DetachedPKData struct {
	Offset int64 // temporary variable, used for sorting
	Data   *record.Record
}

func (*DetachedPKData) Unmarshal added in v1.2.0 

func (m *DetachedPKData) Unmarshal(src []byte, meta *DetachedPKMeta, info *DetachedPKMetaInfo) ([]byte, error)

type DetachedPKInfo added in v1.2.0 

type DetachedPKInfo struct {
	StartBlockId uint64
	EndBlockId   uint64
	TcLocation   int8
	Data         *record.Record
}

func GetPKInfoByPKMetaData added in v1.2.0 

func GetPKInfoByPKMetaData(meta *DetachedPKMeta, data *DetachedPKData, tcLocation int8) *DetachedPKInfo

func (*DetachedPKInfo) GetEndBlockId added in v1.3.0 

func (d *DetachedPKInfo) GetEndBlockId() uint64

func (*DetachedPKInfo) GetStartBlockId added in v1.3.0 

func (d *DetachedPKInfo) GetStartBlockId() uint64

func (*DetachedPKInfo) IsBlockExist added in v1.3.0 

func (d *DetachedPKInfo) IsBlockExist(start, end uint64) bool

type DetachedPKMeta added in v1.2.0 

type DetachedPKMeta struct {
	StartBlockId uint64
	EndBlockId   uint64
	Offset       uint32
	Length       uint32
	ColOffset    []byte
}

func (*DetachedPKMeta) Size added in v1.2.0 

func (m *DetachedPKMeta) Size() int

func (*DetachedPKMeta) Unmarshal added in v1.2.0 

func (m *DetachedPKMeta) Unmarshal(src []byte) ([]byte, error)

type DetachedPKMetaInfo added in v1.2.0 

type DetachedPKMetaInfo struct {
	Schema     record.Schemas
	TCLocation int8
	Offset     int64
}

func (*DetachedPKMetaInfo) Size added in v1.2.0 

func (m *DetachedPKMetaInfo) Size() int

func (*DetachedPKMetaInfo) Unmarshal added in v1.2.0 

func (m *DetachedPKMetaInfo) Unmarshal(src []byte) ([]byte, error)

func (*DetachedPKMetaInfo) UnmarshalPublicSize added in v1.2.0 

func (m *DetachedPKMetaInfo) UnmarshalPublicSize(src []byte) ([]byte, error)

type IndexBuilder 

type IndexBuilder struct {
	// contains filtered or unexported fields
}

func NewIndexBuilder 

func NewIndexBuilder(lockPath *string, filePath string) *IndexBuilder

func NewIndexBuilderByFd added in v1.2.0 

func NewIndexBuilderByFd(lockPath *string, fd fileops.File, firstFlush bool) *IndexBuilder

func (*IndexBuilder) GetEncodeChunkSize added in v1.2.0 

func (b *IndexBuilder) GetEncodeChunkSize() uint32

func (*IndexBuilder) Reset 

func (b *IndexBuilder) Reset()

func (*IndexBuilder) WriteData 

func (b *IndexBuilder) WriteData(rec *record.Record, tcLocation int8) error

func (*IndexBuilder) WriteDetachedData added in v1.2.0 

func (b *IndexBuilder) WriteDetachedData(rec *record.Record, tcLocation int8) error

func (*IndexBuilder) WriteDetachedMeta added in v1.2.0 

func (b *IndexBuilder) WriteDetachedMeta(startId, endId uint64, offset, size uint32, fd fileops.File) error

type IndexWriter added in v1.3.0 

type IndexWriter struct {
	// contains filtered or unexported fields
}

func NewIndexWriter added in v1.3.0 

func NewIndexWriter(lockPath *string, filePath string) (*IndexWriter, error)

func (*IndexWriter) Reset added in v1.3.0 

func (b *IndexWriter) Reset()

func (*IndexWriter) WriteData added in v1.3.0 

func (b *IndexWriter) WriteData(data []byte) error

type PKFiles 

type PKFiles struct {
	// contains filtered or unexported fields
}

func NewPKFiles 

func NewPKFiles() *PKFiles

func (*PKFiles) DelPKInfo 

func (f *PKFiles) DelPKInfo(file string)

func (*PKFiles) GetPKInfo 

func (f *PKFiles) GetPKInfo(file string) (*PKInfo, bool)

func (*PKFiles) GetPKInfos 

func (f *PKFiles) GetPKInfos() PKInfos

func (*PKFiles) SetPKInfo 

func (f *PKFiles) SetPKInfo(file string, rec *record.Record, mark fragment.IndexFragment, tcLocation int8)

type PKInfo 

type PKInfo struct {
	// contains filtered or unexported fields
}

func (*PKInfo) GetMark 

func (p *PKInfo) GetMark() fragment.IndexFragment

func (*PKInfo) GetRec 

func (p *PKInfo) GetRec() *record.Record

func (*PKInfo) GetTCLocation added in v1.1.1 

func (p *PKInfo) GetTCLocation() int8

type PKInfos 

type PKInfos map[string]*PKInfo

type PkMetaBlock added in v1.3.0 

type PkMetaBlock struct {
	StartBlockId uint64
	EndBlockId   uint64
	Offset       uint32
	Size         uint32
}

func UnmarshalPkMetaBlock added in v1.3.0 

func UnmarshalPkMetaBlock(src []byte) (*PkMetaBlock, error)

type PrimaryKeyReader 

type PrimaryKeyReader struct {
	// contains filtered or unexported fields
}

func NewPrimaryKeyReader 

func NewPrimaryKeyReader(name string, lockPath *string) (*PrimaryKeyReader, error)

func (*PrimaryKeyReader) Close 

func (r *PrimaryKeyReader) Close() error

func (*PrimaryKeyReader) FileSize 

func (r *PrimaryKeyReader) FileSize() int64

func (*PrimaryKeyReader) Open 

func (r *PrimaryKeyReader) Open() error

func (*PrimaryKeyReader) Read 

func (r *PrimaryKeyReader) Read(offset int64, size uint32, dst *[]byte) ([]byte, error)

func (*PrimaryKeyReader) ReadData 

func (r *PrimaryKeyReader) ReadData() (*record.Record, int8, error)

func (*PrimaryKeyReader) Version 

func (r *PrimaryKeyReader) Version() uint32

Source Files

View all Source files

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