[Bug]: the param 'mmap.enabled' and 'mmap_enabled' is confusing to the pymilvus users

[yanliang567]

Is there an existing issue for this?

• I have searched the existing issues

Environment

- Milvus version: milvus
- Deployment mode(standalone or cluster):
- MQ type(rocksmq, pulsar or kafka):    
- SDK version(e.g. pymilvus v2.0.0rc2): pymilvus-2.4.11rc8

Current Behavior

when setting mmap in add_field() when creating collection, it requires a underscore() in the param "mmap_enabled"
while altering mmap in alter_collection_field(), it requires a dot(.) in the param "mmap.enabled"
when describing collection, it displays a underscore() again

Expected Behavior

use the same one format: dot or underscore

Steps To Reproduce

try to run the code snippet below

Milvus Log

No response

Anything else?

    def test_milvus_client_alter_collection_field_default(self):
        """
        target: test alter collection field before load
        method: alter varchar field maxlength
        expected: alter successfully
        """
        client = self._connect(enable_milvus_client_api=True)
        collection_name = cf.gen_unique_str(prefix)
        # 1. create collection
        schema = client_w.create_schema(client, enable_dynamic_field=False)[0]
        schema.add_field("id_string", DataType.VARCHAR, max_length=64, is_primary=True, auto_id=False)
        schema.add_field("embeddings", DataType.FLOAT_VECTOR, dim=32, mmap_enabled=True)
        schema.add_field("title", DataType.VARCHAR, max_length=64, mmap_enabled=True)

        index_params = client_w.prepare_index_params(client)[0]
        index_params.add_index(field_name="embeddings", metric_type="COSINE",
                               index_type="IVF_FLAT",
                               params={"nlist": 128, "mmap_enabled": True})
        index_params.add_index(field_name="title")
        client_w.create_collection(client, collection_name, schema=schema, index_params=index_params)
        client_w.describe_collection(client, collection_name, check_task=CheckTasks.check_collection_fields_properties,
                                     check_items={"title": {"max_length": 64, "mmap_enabled": True},
                                                  "embeddings": {"mmap_enabled": True}})
        # 1. alter collection field before load
        client_w.release_collection(client, collection_name)
        new_max_length = 123
        client_w.alter_collection_field(client, collection_name,  field_name='title',
                                        field_params={"max_length": new_max_length, "mmap.enabled": False})
        client_w.alter_collection_field(client, collection_name, field_name='embeddings',
                                        field_params={"mmap.enabled": False})
        client_w.describe_collection(client, collection_name, check_task=CheckTasks.check_collection_fields_properties,
                                     check_items={"title": {"max_length": new_max_length, "mmap_enabled": False},
                                                  "embeddings": {"mmap_enabled": False}})

[yanliang567]

/assign @JsDove

/unassign

[sre-ci-robot]

@yanliang567: GitHub didn't allow me to assign the following users: JsDove.

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In response to this:

/assign @JsDove

/unassign

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