Add nested support for dense_vector fields and knn search (elastic#99763

) * Nested dense_vector support * Adjust nested support based on new lucene version * fixing after rebase * fixing some code * fixing tests adding transport version * spotless * [Automated] Update Lucene snapshot to 9.9.0-snapshot-b3e67403aaf * Adds new max_inner_product vector similarity function (elastic#99527) Adds new max_inner_product vector similarity function. This differs from dot_product in the following ways: Doesn't require vectors to be normalized Scales the similarity between vectors differently to prevent negative scores * requiring top level filter to be parent filter * adding docs & fixing tests * adding and fixing docs * adding changlog * removing unnecessary file changes * removing unused imports * fixing test * maybe fix doc tests * continue tests in docs * fixing more tests * fixing tests --------- Co-authored-by: Jim Ferenczi <[email protected]> Co-authored-by: elasticsearchmachine <[email protected]>
iverase · Sep 28, 2023 · 92cea27 · 92cea27
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diff --git a/docs/changelog/99532.yaml b/docs/changelog/99532.yaml
@@ -0,0 +1,5 @@
+pr: 99532
+summary: Adds `nested` support for indexed `dense_vector` fields
+area: Vector Search
+type: enhancement
+issues: []
diff --git a/docs/reference/mapping/types/dense-vector.asciidoc b/docs/reference/mapping/types/dense-vector.asciidoc
@@ -111,9 +111,6 @@ PUT my-index-2
 efficient kNN search. Like most kNN algorithms, HNSW is an approximate method
 that sacrifices result accuracy for improved speed.
 
-Dense vector fields cannot be indexed if they are within
-<<nested, `nested`>> mappings.
-
 [role="child_attributes"]
 [[dense-vector-params]]
 ==== Parameters for dense vector fields