DropFunctionField()

This operation removes a function from an existing collection by function name.

Go

func (c *Client) DropFunctionField(ctx context.Context, opt DropFunctionFieldOption, callOpts ...grpc.CallOption) error

Request Syntax

Go

option := milvusclient.NewDropFunctionFieldOption(collectionName, functionName)

err := client.DropFunctionField(ctx, option)

PARAMETERS:

• option (DropFunctionFieldOption)

  The options for dropping the function. Use NewDropFunctionFieldOption to construct.

BUILDER METHODS:

• NewDropFunctionFieldOption(collectionName string, functionName string)

  Creates options to drop a function by its name. collectionName specifies the collection, and functionName specifies the function to remove.

RETURN TYPE:

error

RETURNS:

Returns nil after the function is dropped. Returns an error when client-side validation or the RPC fails.

ERROR HANDLING:

• error

  Validation, request construction, or the RPC fails. Check err != nil for failure details.

Example

Go

import (
	"context"

	"github.com/milvus-io/milvus/client/v3/milvusclient"
)

ctx, cancel := context.WithCancel(context.Background())
defer cancel()

cli, err := milvusclient.New(ctx, &milvusclient.ClientConfig{Address: "127.0.0.1:19530"})
if err != nil {
	// handle error
}
defer cli.Close(ctx)

err = cli.DropFunctionField(ctx, milvusclient.NewDropFunctionFieldOption("books", "bm25_fn"))
if err != nil {
	// handle error
}