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LoadCollection()

Addedv2.6.x

This operation loads a collection into memory for search and query operations.

func (c *Client) LoadCollection(ctx context.Context, option LoadCollectionOption, callOptions ...grpc.CallOption) (LoadTask, error)

Request Syntax

option := milvusclient.NewLoadCollectionOption(collectionName).
    WithReplica(num).
    WithResourceGroup(resourceGroups).
    WithLoadFields(loadFields).
    WithSkipLoadDynamicField(skipFlag).
    WithRefresh(isRefresh)

result, err := client.LoadCollection(ctx, option)

PARAMETERS:

• collectionName (string)

  The name of the target collection.

OPTION METHODS:

• WithReplica(num int)

  Sets the replica for the operation.

• WithResourceGroup(resourceGroups ...string)

  Sets the resource group for the operation.

• WithLoadFields(loadFields ...string)

  Specifies which fields to load into memory.

• WithSkipLoadDynamicField(skipFlag bool)

  Sets the skip load dynamic field for the operation.

• WithRefresh(isRefresh bool)

  Enables refresh mode to reload newly inserted data.

RETURN TYPE:

LoadTask, error

RETURNS:

A LoadTask that can be used to wait for the load operation to complete. Returns an error if the operation fails.

EXCEPTIONS:

• error

  Check err != nil for failure details.

Example

import (
	"context"
	"log"

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

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

milvusAddr := "YOUR_CLUSTER_ENDPOINT"

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

defer cli.Close(ctx)

loadTask, err := cli.LoadCollection(ctx, milvusclient.NewLoadCollectionOption("customized_setup_1"))
if err != nil {
	// handle error
}

// sync wait collection to be loaded
err = loadTask.Await(ctx)
if err != nil {
	// handle error
}