DescribeIndex()
This method gets the detailed information of an index.
Invocation
client.DescribeIndex(ctx, collName, fieldName)
Parameters
| Parameter | Description | Type | 
|---|---|---|
| ctx | Context to control API invocation process | context.Context | 
| collName | Name of the collection to describe index on | String | 
| fieldName | Name of the field on which to describe the index | String | 
Return
A slice of entity.Index that specifies the indexes on the vector field.
Errors
err: error in the process (if any). Possible errors are listed below:
- ErrClientNotReady, error that the client is not connected.
- ErrCollectionNotExists, error that collection with the specified name does not exist.
- error that the specified field is not valid. 
- error that API invocation failed. 
Example
indexInfo, err := milvusClient.DescribeIndex(
  context.Background(),
  "book",
  "book_intro"
)
if err != nil {
  log.Fatal("fail to describe index:", err.Error())
}
log.Println(indexInfo)