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### Checked other resources
- [X] I added a very descriptive title to this issue.
- [X] I searched the LangChain.js documentation with the integrated search.
- [X] I used the GitHub search to find a …
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Current vectorstore interface is lacking in two important areas
* Does not support other types of search other than similarity search
* Does not support full api coverate for admin cases, e.g. del…
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```typescript
// src/VectorStore.ts>OramaStore
async restore(vectorStoreBackup: VectorStoreBackup) {
Log.debug('Restoring vectorstore from backup');
// vectorStoreBackup is an …
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pgvector support specify url\host such as
` vectorstore:
chroma:
initialize-schema: true
client:
host: ${CHROMA_HOST:http://192.168.18.64}
port: ${C…
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### Bug Description
I keep getting a pydantic error when trying to retrieve from the vector DB from an existing collection. I can see that the points are retrieved from the Qdrant vectorDB.
```bas…
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**Bug description**
我们将向量库由 chromadb 转为 redis-stack，从 vectorStore.similaritySearch 返回的 Document 中，无法 从 Metadata 中获取 distance 值。
**Environment**
Please provide as many details as possible: Spring …
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### Is there an existing issue for this?
- [X] I have searched the existing issues
### Describe the bug
I try to create local vectorStore following
```python
vector_store = MilvusVectorStore…
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If I use a vectorstore for RAG already, and I have a lot of prompts/templates, it's compelling to treat the retrieval of the most suitable system prompt or prompt template like RAG.
Is this someth…
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## Expected Behavior
The VectorStore interface and related classes in Spring AI should support custom fields for vector database filtering. This would allow users to:
1. Add custom fields to doc…
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