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fix(createVectorStoreNode): Prevent connection leaks in PGVectorStore pool

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This commit is contained in:
Luis Chavez 2024-12-30 18:58:55 -05:00
parent 11e8520b70
commit 2c648ff82d
1 changed files with 8 additions and 0 deletions
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8
packages/@n8n/nodes-langchain/nodes/vector_store/shared/createVectorStoreNode.ts
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@ -4,6 +4,7 @@ import type { Document } from '@langchain/core/documents';
import type { Embeddings } from '@langchain/core/embeddings';
import type { VectorStore } from '@langchain/core/vectorstores';
import { NodeConnectionType, NodeOperationError } from 'n8n-workflow';
import { PGVectorStore } from '@langchain/community/vectorstores/pgvector';
import type {
IExecuteFunctions,
INodeCredentialDescription,
@ -395,7 +396,14 @@ export const createVectorStoreNode = (args: VectorStoreNodeConstructorArgs) =>
if (mode === 'retrieve') {
const vectorStore = await args.getVectorStoreClient(this, filter, embeddings, itemIndex);
async function closeFunction() {
const pgVectorStore = vectorStore as PGVectorStore;
void pgVectorStore?.client?.release();
}
return {
closeFunction,
response: logWrapper(vectorStore, this),
};
}