MB-57888: Index Update (#47) (#61)

- Extended the segment base interface to include a way to read the
deleted field info

---------

Co-authored-by: Abhinav Dangeti <[email protected]>

Author: Likith101

go.mod

@@ -4,7 +4,7 @@ go 1.21
 
 require (
 	github.com/RoaringBitmap/roaring/v2 v2.4.5
-	github.com/blevesearch/bleve_index_api v1.2.8
+	github.com/blevesearch/bleve_index_api v1.2.9
 )
 
 require (

go.sum

@@ -2,8 +2,8 @@ github.com/RoaringBitmap/roaring/v2 v2.4.5 h1:uGrrMreGjvAtTBobc0g5IrW1D5ldxDQYe2
 github.com/RoaringBitmap/roaring/v2 v2.4.5/go.mod h1:FiJcsfkGje/nZBZgCu0ZxCPOKD/hVXDS2dXi7/eUFE0=
 github.com/bits-and-blooms/bitset v1.12.0 h1:U/q1fAF7xXRhFCrhROzIfffYnu+dlS38vCZtmFVPHmA=
 github.com/bits-and-blooms/bitset v1.12.0/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
-github.com/blevesearch/bleve_index_api v1.2.8 h1:Y98Pu5/MdlkRyLM0qDHostYo7i+Vv1cDNhqTeR4Sy6Y=
-github.com/blevesearch/bleve_index_api v1.2.8/go.mod h1:rKQDl4u51uwafZxFrPD1R7xFOwKnzZW7s/LSeK4lgo0=
+github.com/blevesearch/bleve_index_api v1.2.9 h1:WqD3kvYwnlYLv8sTdH+AF7n/L4v969Cek68+wZnYj4Q=
+github.com/blevesearch/bleve_index_api v1.2.9/go.mod h1:rKQDl4u51uwafZxFrPD1R7xFOwKnzZW7s/LSeK4lgo0=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=

segment.go

@@ -61,6 +61,12 @@ type PersistedSegment interface {
 	Path() string
 }
 
+type UpdatableSegment interface {
+	Segment
+	GetUpdatedFields() map[string]*index.UpdateFieldInfo
+	SetUpdatedFields(fieldInfo map[string]*index.UpdateFieldInfo)
+}
+
 type TermDictionary interface {
 	PostingsList(term []byte, except *roaring.Bitmap, prealloc PostingsList) (PostingsList, error)