fix: parse array from string

langchain-ai · Dec 27, 2024 · 5edb746 · 5edb746
1 parent dd376f7
commit 5edb746
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/libs/langchain-community/src/vectorstores/pgvector.ts b/libs/langchain-community/src/vectorstores/pgvector.ts
@@ -922,8 +922,8 @@ export class PGVectorStore extends VectorStore {
       true
     );
 
-    const embeddingList = docs.map(
-      (doc) => doc[0].metadata[this.vectorColumnName]
+    const embeddingList = docs.map((doc) =>
+      JSON.parse(doc[0].metadata[this.vectorColumnName])
     );
 
     const mmrIndexes = maximalMarginalRelevance(