feat: referenceId

pkg/pointer/referenced_value.go

@@ -3,6 +3,7 @@ package pointer
 import (
 	"bytes"
 	"fmt"
+	"github.com/kevmo314/appendable/pkg/hnsw"
 )
 
 type ReferencedValue struct {
@@ -18,10 +19,19 @@ type ReferencedValue struct {
 	Value       []byte
 }
 
+type ReferencedId struct {
+	DataPointer MemoryPointer
+	Value       hnsw.Id
+}
+
 func (rv ReferencedValue) String() string {
 	return fmt.Sprintf("ReferencedValue@%s{%s}", rv.DataPointer, rv.Value)
 }
 
+func (rv ReferencedId) String() string {
+	return fmt.Sprintf("ReferencedId@%s{%s}", rv.DataPointer, rv.Value)
+}
+
 func CompareReferencedValues(a, b ReferencedValue) int {
 	if cmp := bytes.Compare(a.Value, b.Value); cmp != 0 {
 		return cmp
@@ -36,3 +46,13 @@ func CompareReferencedValues(a, b ReferencedValue) int {
 	}
 	return 0
 }
+
+func CompareReferencedId(a, b ReferencedId) int {
+	if a.Value > b.Value {
+		return 1
+	} else if a.Value < b.Value {
+		return -1
+	}
+
+	return 0
+}