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AddCollectionField()

Addedv2.6.x

This operation adds a new field to an existing collection schema.

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

Request Syntax

option := milvusclient.NewAddCollectionFieldOption(collectionName, field)

err := client.AddCollectionField(ctx, option)

PARAMETERS:

• collectionName (string)

  The name of the target collection.

• field (**entity.Field*)

  The field.

RETURN TYPE:

error

RETURNS:

Returns nil on success, or an error describing what went wrong.

EXCEPTIONS:

• error

  Check err != nil for failure details.

Example

import (
	"context"
	"log"

	"github.com/milvus-io/milvus/client/v2/entity"
	"github.com/milvus-io/milvus/client/v2/milvusclient"
)

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

cli, err := milvusclient.New(ctx, &milvusclient.ClientConfig{
	Address: "YOUR_CLUSTER_ENDPOINT",
})
if err != nil {
	log.Fatal("failed to connect to milvus server: ", err.Error())
}

defer cli.Close(ctx)

// the field to add
// must be nullable for now
newField := entity.NewField().WithName("new_field").WithDataType(entity.FieldTypeInt64).WithNullable(true)

err = cli.AddCollectionField(ctx, milvusclient.NewAddCollectionFieldOption("customized_setup_2", newField))
if err != nil {
	// handle error
}