Function: delete

Applicable Products

Product	Supported (√/x)
Ascend 950PR / Ascend 950DT	x
Atlas A3 training products / Atlas A3 inference products	x
Atlas A2 training products / Atlas A2 inference products	x
Atlas training products	x
Atlas inference products	√
Atlas 200I/500 A2 inference products	x

Function Usage

Deletes a specified feature from a repository. Only one feature can be deleted from the repository at a time. This API does not apply to the N:M mode.

The Atlas inference accelerator module in the Atlas inference products does not support this API.

Prototype

C Prototype

        
             aclErroraclfvDel(aclfvFeatureInfo *featureInfo)

Python Function
1

ret = acl.fv.delete(feature_info)

Parameter Description

Parameter	Description
feature_info	Int, address of the pointer that points to feature description. Call acl.fv.create_feature_info to create data of the aclfvFeatureInfo type in advance.

Parameter

Description

feature_info

Int, address of the pointer that points to feature description.

Call acl.fv.create_feature_info to create data of the aclfvFeatureInfo type in advance.

Return Value Description

Return Value	Description
ret	Int, error code. 0: success. Other values: failure.

Restrictions

This API call automatically creates a stream for synchronous task execution within the API. When the tasks are complete, the stream is automatically destroyed.

Hardware has restrictions on the total number of streams. For details, see Function: create_stream.

Reference

For details about the API call sequence and sample code, see Feature Vector Search.

Parent topic: API for feature vector search (Python)