From adbcfe1cd9b4933fccd61928ee227011b5142392 Mon Sep 17 00:00:00 2001
From: Thejas-bhat <thejas.orkombu@couchbase.com>
Date: Fri, 6 Dec 2024 15:28:57 +0530
Subject: [PATCH 1/5] fieldDict to support cardinality API

---
 index.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/index.go b/index.go
index 4d8ecd3..f792da5 100644
--- a/index.go
+++ b/index.go
@@ -240,6 +240,7 @@ type FieldDict interface {
 	Next() (*DictEntry, error)
 	Close() error
 
+	Cardinality() int
 	BytesRead() uint64
 }
 

From c8b43f20a1dc1a08acfdda7937fe93506ad73044 Mon Sep 17 00:00:00 2001
From: Thejas-bhat <thejas.orkombu@couchbase.com>
Date: Wed, 11 Dec 2024 12:16:35 +0530
Subject: [PATCH 2/5] defining similarity models for different scoring
 mechanisms

---
 indexing_options.go | 17 +++++++++++++++++
 vector.go           |  4 ++--
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/indexing_options.go b/indexing_options.go
index 9724cca..b25204d 100644
--- a/indexing_options.go
+++ b/indexing_options.go
@@ -24,6 +24,23 @@ const (
 	SkipFreqNorm
 )
 
+const (
+	BM25Similarity = "bm25"
+
+	TFIDFSimilarity = "tfidf"
+)
+
+// similarity model just means the scoring mechanism used to rank documents fetched
+// for a query performed on a field. Default is the bm25 scoring but can be set
+// to other models like the legacy tf-idf.
+const DefaultSimilarityModel = BM25Similarity
+
+// Supported similarity models
+var SupportedSimilarityModels = map[string]struct{}{
+	BM25Similarity:  {},
+	TFIDFSimilarity: {},
+}
+
 func (o FieldIndexingOptions) IsIndexed() bool {
 	return o&IndexField != 0
 }
diff --git a/vector.go b/vector.go
index c1b5837..1057cf9 100644
--- a/vector.go
+++ b/vector.go
@@ -37,10 +37,10 @@ const (
 	CosineSimilarity = "cosine"
 )
 
-const DefaultSimilarityMetric = EuclideanDistance
+const DefaultVectorSimilarityMetric = EuclideanDistance
 
 // Supported similarity metrics for vector fields
-var SupportedSimilarityMetrics = map[string]struct{}{
+var SupportedVectorSimilarityMetrics = map[string]struct{}{
 	EuclideanDistance: {},
 	InnerProduct:      {},
 	CosineSimilarity:  {},

From 4444f3b96969a5334c83df317641a8d31937e5f5 Mon Sep 17 00:00:00 2001
From: Thejas-bhat <thejas.orkombu@couchbase.com>
Date: Tue, 7 Jan 2025 17:54:52 +0530
Subject: [PATCH 3/5] naming changes

---
 indexing_options.go | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/indexing_options.go b/indexing_options.go
index b25204d..9002399 100644
--- a/indexing_options.go
+++ b/indexing_options.go
@@ -25,20 +25,19 @@ const (
 )
 
 const (
-	BM25Similarity = "bm25"
-
-	TFIDFSimilarity = "tfidf"
+	BM25Scoring  = "bm25"
+	TFIDFScoring = "tfidf"
 )
 
-// similarity model just means the scoring mechanism used to rank documents fetched
+// Scoring model indicates the algorithm used to rank documents fetched
 // for a query performed on a field. Default is the bm25 scoring but can be set
 // to other models like the legacy tf-idf.
-const DefaultSimilarityModel = BM25Similarity
+const DefaultScoringModel = TFIDFScoring
 
 // Supported similarity models
-var SupportedSimilarityModels = map[string]struct{}{
-	BM25Similarity:  {},
-	TFIDFSimilarity: {},
+var SupportedScoringModels = map[string]struct{}{
+	BM25Scoring:  {},
+	TFIDFScoring: {},
 }
 
 func (o FieldIndexingOptions) IsIndexed() bool {

From 9e6aeb35180b59b888bb92fe20493a4ce9208c19 Mon Sep 17 00:00:00 2001
From: Abhinav Dangeti <abhinav@couchbase.com>
Date: Tue, 7 Jan 2025 08:03:05 -0700
Subject: [PATCH 4/5] Update comment

---
 indexing_options.go | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/indexing_options.go b/indexing_options.go
index 9002399..a587ded 100644
--- a/indexing_options.go
+++ b/indexing_options.go
@@ -30,8 +30,7 @@ const (
 )
 
 // Scoring model indicates the algorithm used to rank documents fetched
-// for a query performed on a field. Default is the bm25 scoring but can be set
-// to other models like the legacy tf-idf.
+// for a query performed on a text field.
 const DefaultScoringModel = TFIDFScoring
 
 // Supported similarity models

From 243ba7ec9fbd4d94fe6656d90f304358a4da079b Mon Sep 17 00:00:00 2001
From: Abhinav Dangeti <abhinav@couchbase.com>
Date: Tue, 7 Jan 2025 08:05:21 -0700
Subject: [PATCH 5/5] Update workflows

---
 .github/workflows/tests.yml | 2 +-
 go.mod                      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index bc81391..496c91e 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -8,7 +8,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.19.x, 1.20.x, 1.21.x]
+        go-version: [1.20.x, 1.21.x, 1.22.x]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps:
diff --git a/go.mod b/go.mod
index 26a78c4..8c0a530 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/blevesearch/bleve_index_api
 
-go 1.20
+go 1.21