dropIndex()
A MilvusClient interface. This method drops an index and its corresponding index file in the collection.
R<RpcStatus> dropIndex(DropIndexParam requestParam);
DropIndexParam
Use the DropIndexParam.Builder to construct a DropIndexParam object.
import io.milvus.param.DropIndexParam;
DropIndexParam.Builder builder = DropIndexParam.newBuilder();
Methods of DropIndexParam.Builder:
| Method | Description | Parameters |
|---|---|---|
withCollectionName(collectionName) | Sets the collection name. The collection name cannot be empty or null. | collectionName: The name of the collection whose index needs to be dropped. |
withIndexName(String indexName) | Sets the name of the index to drop. If no index name is specified, the default index name _default_idx is used. | indexName: The name of the index to drop. |
build() | Constructs a DropIndexParam object. | N/A |
The DropIndexParam.Builder.build() can throw the following exceptions:
ParamException: error if the parameter is invalid.
Returns
This method catches all the exceptions and returns an R<RpcStatus> object.
If the API fails on the server side, it returns the error code and message from the server.
If the API fails by RPC exception, it returns
R.Status.Unknowand the error message of the exception.If the API succeeds, it returns
R.Status.Success.
Example
import io.milvus.param.*;
DropIndexParam param = DropIndexParam.newBuilder()
.withCollectionName("collection1")
.withIndexName("index1")
.build();
R<RpcStatus> response = client.dropIndex(param)
if (response.getStatus() != R.Status.Success.getCode()) {
System.out.println(response.getMessage());
}