-
Notifications
You must be signed in to change notification settings - Fork 1.7k
/
bigquery_get_dataset_labels.go
53 lines (46 loc) · 1.44 KB
/
bigquery_get_dataset_labels.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
// Copyright 2019 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 dataset
// [START bigquery_get_dataset_labels]
import (
"context"
"fmt"
"io"
"cloud.google.com/go/bigquery"
)
// printDatasetLabels retrieves label metadata from a dataset and prints it to an io.Writer.
func printDatasetLabels(w io.Writer, projectID, datasetID string) error {
// projectID := "my-project-id"
// datasetID := "mydataset"
ctx := context.Background()
client, err := bigquery.NewClient(ctx, projectID)
if err != nil {
return fmt.Errorf("bigquery.NewClient: %v", err)
}
defer client.Close()
meta, err := client.Dataset(datasetID).Metadata(ctx)
if err != nil {
return err
}
fmt.Fprintf(w, "Dataset %s labels:\n", datasetID)
if len(meta.Labels) == 0 {
fmt.Fprintln(w, "Dataset has no labels defined.")
return nil
}
for k, v := range meta.Labels {
fmt.Fprintf(w, "\t%s:%s\n", k, v)
}
return nil
}
// [END bigquery_get_dataset_labels]