zipper

package

v0.2.0 Latest Latest Go to latest Published: Jan 24, 2026 License: MIT Imports: 9 Imported by: 0

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type PageAllocator interface {
	Alloc(hint uint64) (uint64, error)
}

type Split struct {
	Key    []byte
	NodeID uint64
}

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

func New(p *pager.Pager, a PageAllocator) *Zipper

func (z *Zipper) Apply(rootID uint64, b *batch.Batch) (uint64, []uint64, adaptive.Metrics, error)

Apply applies the batch to the tree rooted at rootID. Returns the new root page ID, list of retired pages, and commit metrics.

func (z *Zipper) CloneWithAllocator(a PageAllocator) *Zipper

CloneWithAllocator returns a zipper that shares config/pager with z but uses the provided allocator.

func (z *Zipper) SetFillTargets(leafPPM, internalPPM uint32)

SetFillTargets configures soft-full thresholds for newly written pages. Targets are in parts-per-million where 1_000_000 means "allow full pages".

func (z *Zipper) SetIndexColumnarLeaves(enabled bool)

func (z *Zipper) SetIndexInternalBaseDelta(enabled bool)

func (z *Zipper) SetLeafPrefixCompression(enabled bool)

func (z *Zipper) SetPiggybackCompaction(enabled bool)