DashVector:Obter documentos

collection.fetch(
    ids: Union[str, List[str]],
    partition: Optional[str] = None,
    async_req: bool = False
) -> DashVectorResponse

import dashvector

client = dashvector.Client(
    api_key='YOUR_API_KEY',
    endpoint='YOUR_CLUSTER_ENDPOINT'
)
collection = client.get(name='quickstart')

doc_id = '1'
docs = collection.fetch(doc_id)
# Check whether the fetch method is successfully called.
if docs:
    print('fetch success')
    # Check whether the ID of the document to be obtained exists. If not, the corresponding output is empty.
    if doc_id in docs:
        doc = docs[doc_id]
        print(doc.id)
        print(doc.vector)
        print(doc.fields)
    # Traverse all documents and return results.
    for id in docs:
        print(docs[id])

# Obtain multiple documents at a time.
docs = collection.fetch(['1','2'])