Interface Merger

kv/merger.go:40–47

Merger represents merger values of same key when do compaction job(compact/rollup etc.)

// Merger represents merger values of same key when do compaction job(compact/rollup etc.)
type Merger interface {
	// Init initializes merger params or context, before does merge operation
	Init(params map[string]interface{})
	// Merge merges values for same key,
	// merged data will be written into Flusher directly
	// return err if failure
	Merge(key uint32, values [][]byte) error
}