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has_partition()

This operation checks whether a partition exists.

Request Syntax

has_partition(
    collection_name: str,
    partition_name: str,
    using: str = "default",
    timeout: float | None,
)

PARAMETERS:

  • collection_name (str) -

    [REQUIRED] The name of an existing collection.

    Setting this to a non-existing collection results in a MilvusException.

  • partition_name (str) -

    [REQUIRED] The name of a partition.

  • 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()

# Get an existing collection
collection = Collection(name="test_collection")

# Check whether a partition exist
collection.has_partition(
    collection_name="test_collection",
    partition_name="test_partition",
) # True

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