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list_collections()

Addedv2.3.x

This operation lists all existing collections.

📘Notes

This method applies only to dedicated serving clusters and on-demand compute.

• For a managed collection in serving clusters, please create MilvusClient with the cluster endpoint.

• Free & Serverless

https://{cluster-id}.serverless.{region}.vectordb.zillizcloud.com

• Dedicated

https://{cluster-id}.{region}.vectordb.zillizcloud.com:19530

• For an external collection for on-demand compute, create MilvusClient with the project endpoints.

https://{project-id}.{region}.api.zillizcloud.com

Request syntax

list_collections(**kwargs) -> Name

PARAMETERS:

• kwargs -

  • timeout (float | None) -

    The timeout duration for this operation.

    Setting this to None indicates that this operation timeouts when any response returns or error occurs.

RETURN TYPE:

list

RETURNS:

A list of collection names.

EXCEPTIONS:

• MilvusException

  This exception will be raised when any error occurs during this operation.

Examples

from pymilvus import MilvusClient

# 1. Create a milvus client
client = MilvusClient(
    uri="https://inxx-xxxxxxxxxxxx.api.gcp-us-west1.zillizcloud.com:19530",
    token="user:password"
)

# 2. Create a collection
client.create_collection(collection_name="test_collection", dimension=5)

# 3. List collections
client.list_collections() 

# ['test_collection']