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Timothy J. Baek 2024-09-10 04:46:40 +01:00
parent 522afbb0a0
commit 0886b3a0a4
1 changed files with 9 additions and 0 deletions
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backend/open_webui/apps/rag/vector/dbs/chroma.py
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@ -37,18 +37,22 @@ class ChromaClient:
)
def list_collections(self) -> list[str]:
# List all the collections in the database.
collections = self.client.list_collections()
return [collection.name for collection in collections]
def create_collection(self, collection_name: str):
# Create a new collection based on the collection name.
return self.client.create_collection(name=collection_name)
def delete_collection(self, collection_name: str):
# Delete the collection based on the collection name.
return self.client.delete_collection(name=collection_name)
def search(
self, collection_name: str, vectors: list[list[float | int]], limit: int
) -> Optional[QueryResult]:
# Search for the nearest neighbor items based on the vectors and return 'limit' number of results.
collection = self.client.get_collection(name=collection_name)
if collection:
result = collection.query(
@ -65,12 +69,14 @@ class ChromaClient:
return None
def get(self, collection_name: str) -> Optional[QueryResult]:
# Get all the items in the collection.
collection = self.client.get_collection(name=collection_name)
if collection:
return collection.get()
return None
def insert(self, collection_name: str, items: list[VectorItem]):
# Insert the items into the collection.
collection = self.client.get_or_create_collection(name=collection_name)
ids = [item["id"] for item in items]
@ -88,6 +94,7 @@ class ChromaClient:
collection.add(*batch)
def upsert(self, collection_name: str, items: list[VectorItem]):
# Update the items in the collection, if the items are not present, insert them.
collection = self.client.get_or_create_collection(name=collection_name)
ids = [item["id"] for item in items]
@ -100,9 +107,11 @@ class ChromaClient:
)
def delete(self, collection_name: str, ids: list[str]):
# Delete the items from the collection based on the ids.
collection = self.client.get_collection(name=collection_name)
if collection:
collection.delete(ids=ids)
def reset(self):
# Resets the database. This will delete all collections and item entries.
return self.client.reset()