ListCollections()

This method lists all existing collections.

Go

func (c *Client) ListCollections(ctx context.Context, option ListCollectionOption, callOptions ...grpc.CallOption) (collectionNames []string, err error)

Request Parameters

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

ListCollectionOption

This is an interface type. The listCollectionOption struct type implements this interface type.

You can use the NewListCollectionOption() function to get the concrete implementation.

NewListCollectionOption

The signature of this method is as follows:

Go

func NewListCollectionOption() *listCollectionOption

Return

[]string

Example

Go

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

collectionNames, err := cli.ListCollections(ctx, milvusclient.NewListCollectionOption())
if err != nil {
       // handle error
}

fmt.Println(collectionNames)