has_collection()
This operation checks whether a collection exists.
Request Syntax
has_collection(
collection_name: str,
using: str = "default",
timeout: float | None,
)
PARAMETERS:
collection_name (str) -
[REQUIRED] The name of an existing collection.
using (str) -
The alias of the employed connection.
The default value is default, indicating that this operation employs the default connection.
timeout (float | None)
The timeout duration for this operation. Setting this to None indicates that this operation timeouts when any response arrives or any error occurs.
RETURN TYPE:
bool
RETURNS: A boolean value indicates whether the specified partition exists.
EXCEPTIONS:
MilvusException
This exception will be raised when any error occurs during this operation, especially when the specified alias does not exist.
Examples
from pymilvus import connections, utility
# Connect to localhost:19530
connections.connect()
# Check whether a partition exists
collection.has_collection(
collection_name="test_collection",
) # True