Delete()

This method deletes data from a specific collection.

func (c *Client) Delete(ctx context.Context, option DeleteOption, callOptions ...grpc.CallOption) (DeleteResult, error)

Request Parameters

Parameter	Description	Type
ctx	Context for the current call to work.	context.Context
option	Optional parameters of the methods.	DeleteOption
callOptions	Optional parameters for calling the methods.	grpc.CallOption

DeleteOption

This is an interface type. The deleteOption struct types implement this interface type.

You can use the NewDeleteOption function to get the concrete implementation.

NewDeleteOption

The signature of this method is as follows:

func NewDeleteOption(collectionName string) *deleteOption

Parameter	Description	Type
collectionName	Name of the target collection.	string

DeleteResult

The DeleteResult struct type is as follows:

type DeleteResult struct {
    DeleteCount int64
}

Return

DeleteResult

Example

res, err := cli.Delete(ctx, milvusclient.NewDeleteOption("quick_setup").
    WithInt64IDs("id", []int64{1, 2, 3}))
if err != nil {
    // handle error
}

fmt.Println(res.DeleteCount)