[Feature]: Search by ID

[xiaofan-luan]

Is there an existing issue for this?

• I have searched the existing issues

Is your feature request related to a problem? Please describe.

Given a ID, user want to retrieve it's vector and search topk of it.

query_ids = [3, 5]
res = client.search(
collection_name="my_collection",
anns_field="vector",
data=[query_ids],
limit=3,
search_params={"metric_type": "IP"}
)

for hits in res:
for hit in hits:
print(hit)

Describe the solution you'd like.

No response

Describe an alternate solution.

No response

Anything else? (Additional Context)

No response