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DropIndex()

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

ctx

Context for the current call to work.

context.Context

collName

Name of a collection

string

fieldName

Name of the field to index.

string

opts

Extra index settings

You can include multiple entity.IndexOption in this request.

client.IndexOption

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())
}