merge

package

v0.14.0 Latest Latest Go to latest Published: Aug 27, 2023 License: Apache-2.0 Imports: 16 Imported by: 0

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Repository

github.com/wrgl/wrgl

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Documentation ¶

Index ¶

type Merge
type Merger
- func NewMerger(db objects.Store, collector *RowCollector, buf *diff.BlockBuffer, ...) (m *Merger, err error)
type RowCollector
- func CreateRowCollector(db objects.Store, baseT *objects.Table) (collector *RowCollector, cleanup func(), err error)
- func NewCollector(db objects.Store, baseT *objects.Table, discardedRow *index.HashSet) (*RowCollector, error)
type RowResolver
- func NewRowResolver(db objects.Store, cd *diff.ColDiff, buf *diff.BlockBuffer) *RowResolver
- func (r *RowResolver) Resolve(m *Merge) (err error)
type Rows
- func NewRows(n int) *Rows

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Merge ¶

type Merge struct {
	ColDiff        *diff.ColDiff
	PK             []byte
	Base           []byte
	BaseOffset     uint32
	Others         [][]byte
	OtherOffsets   []uint32
	ResolvedRow    []string
	Resolved       bool
	UnresolvedCols map[uint32]struct{}
}

type Merger ¶

type Merger struct {
	Progress progress.Tracker
	// contains filtered or unexported fields
}

func NewMerger ¶

func NewMerger(
	db objects.Store,
	collector *RowCollector,
	buf *diff.BlockBuffer,
	progressPeriod time.Duration,
	baseT *objects.Table,
	otherTs []*objects.Table,
	baseSum []byte,
	otherSums [][]byte,
	logger logr.Logger,
) (m *Merger, err error)

func (*Merger) Close ¶

func (m *Merger) Close() error

func (*Merger) Columns ¶

func (m *Merger) Columns(removedCols map[int]struct{}) []string

func (*Merger) Error ¶

func (m *Merger) Error() error

func (*Merger) PK ¶

func (m *Merger) PK() []string

func (*Merger) SaveResolvedRow ¶

func (m *Merger) SaveResolvedRow(pk []byte, row []string) error

func (*Merger) SortedBlocks ¶

func (m *Merger) SortedBlocks(ctx context.Context, removedCols map[int]struct{}) (<-chan *sorter.Block, error)

func (*Merger) SortedRows ¶

func (m *Merger) SortedRows(ctx context.Context, removedCols map[int]struct{}) (<-chan *sorter.Rows, error)

func (*Merger) Start ¶

func (m *Merger) Start() (ch <-chan *Merge, err error)

type RowCollector ¶

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

func CreateRowCollector ¶

func CreateRowCollector(db objects.Store, baseT *objects.Table) (collector *RowCollector, cleanup func(), err error)

func NewCollector ¶

func NewCollector(db objects.Store, baseT *objects.Table, discardedRow *index.HashSet) (*RowCollector, error)

func (*RowCollector) Close ¶

func (c *RowCollector) Close() error

func (*RowCollector) CollectResolvedRow ¶

func (c *RowCollector) CollectResolvedRow(errChan chan<- error, origChan <-chan *Merge) <-chan *Merge

func (*RowCollector) Columns ¶

func (c *RowCollector) Columns(removedCols map[int]struct{}) []string

func (*RowCollector) PK ¶

func (c *RowCollector) PK() []string

func (*RowCollector) SaveResolvedRow ¶

func (c *RowCollector) SaveResolvedRow(pk []byte, row []string) error

func (*RowCollector) SortedBlocks ¶

func (c *RowCollector) SortedBlocks(ctx context.Context, removedCols map[int]struct{}, errChan chan<- error) (<-chan *sorter.Block, error)

func (*RowCollector) SortedRows ¶

func (c *RowCollector) SortedRows(ctx context.Context, removedCols map[int]struct{}, errChan chan<- error) (<-chan *sorter.Rows, error)

type RowResolver ¶

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

func NewRowResolver ¶

func NewRowResolver(db objects.Store, cd *diff.ColDiff, buf *diff.BlockBuffer) *RowResolver

func (*RowResolver) Resolve ¶

func (r *RowResolver) Resolve(m *Merge) (err error)

type Rows ¶

type Rows struct {
	Values [][]string
	Layers []int
}

func NewRows ¶

func NewRows(n int) *Rows

func (*Rows) Append ¶

func (r *Rows) Append(layer int, row []string)

func (*Rows) Len ¶

func (r *Rows) Len() int

func (*Rows) Less ¶

func (r *Rows) Less(i, j int) bool

func (*Rows) Reset ¶

func (r *Rows) Reset()

func (*Rows) Swap ¶

func (r *Rows) Swap(i, j int)

Source Files ¶

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Directories ¶

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