HasCollection()
Addedv2.6.x
This operation checks whether a collection exists in the current database.
func (c *Client) HasCollection(ctx context.Context, option HasCollectionOption, callOptions ...grpc.CallOption) (has bool, err error)
Request Syntax
option := milvusclient.NewHasCollectionOption(name)
result, err := client.HasCollection(ctx, option)
PARAMETERS:
-
name (string)
The name of the target collection.
RETURN TYPE:
has bool, err error
RETURNS:
A boolean indicating whether the resource exists. Returns an error if the operation fails.
EXCEPTIONS:
-
error
Check
err != nilfor failure details.
Example
import (
"context"
"fmt"
"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)
has, err := cli.HasCollection(ctx, milvusclient.NewHasCollectionOption("quick_setup"))
if err != nil {
// handle error
}
fmt.Println(has)