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save_data_delete_field.go
48 lines (41 loc) · 1.32 KB
/
save_data_delete_field.go
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// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package firestore
// [START firestore_data_delete_field]
import (
"context"
"log"
"cloud.google.com/go/firestore"
)
func deleteField(ctx context.Context, client *firestore.Client) error {
_, err := client.Collection("cities").Doc("BJ").Update(ctx, []firestore.Update{
{
Path: "capital",
Value: firestore.Delete,
},
})
if err != nil {
// Handle any errors in an appropriate way, such as returning them.
log.Printf("An error has occurred: %s", err)
}
// [START_EXCLUDE]
// TODO: Use Set once this feature is implemented:
// https://github.com/GoogleCloudPlatform/google-cloud-go/issues/832
// Set(ctx, map[string]interface{}{
// "capital": firestore.Delete,
// })
// [END_EXCLUDE]
return err
}
// [END firestore_data_delete_field]