DropIndex()即将作废
This method drops a specific index from a field.
func (c *GrpcClient) DropIndex(ctx context.Context, collName string, fieldName string, opts ...IndexOption) error
Request Parameters
| Parameter | Description | Type | 
|---|---|---|
| 
 | Context for the current call to work. | 
 | 
| 
 | Name of a collection | 
 | 
| 
 | Name of the field to index. | 
 | 
| 
 | Extra index settings You can include multiple  | 
Return
Null
Errors
Any error in the execution of the request. Possible errors are as follows:
- 
ErrClientNotReady: The client is not connected to Milvus.
- 
ErrCollectionNotExists: The specified collection does not exist.
- 
A field with the same name does not exist. 
- 
The call to this API fails. 
Example
// drop index
err := mc.DropIndex(context.Background(), collectionName, "vector")
if err != nil {
   log.Fatal("failed to drop index:", err.Error())
}