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main.go
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main.go
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/**
* Copyright 2018 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 main
import (
"log"
"os"
"time"
"net/http"
"cloud.google.com/go/bigquery"
"golang.org/x/net/context"
"google.golang.org/api/googleapi"
)
const (
bigQueryProject = "BIGQUERY_PROJECT"
bigQueryDataset = "BIGQUERY_DATASET"
tableID = "github_contributors"
)
func main() {
project := os.Getenv(bigQueryProject)
if project == "" {
log.Fatalf("%s environment variable unspecified. Please provide BigQuery project.", bigQueryProject)
}
datasetID := os.Getenv(bigQueryDataset)
if datasetID == "" {
log.Fatalf("%s environment variable unspecified. Please provide BigQuery dataset ID.", bigQueryDataset)
}
ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
defer cancel()
client, err := bigquery.NewClient(ctx, project)
if err != nil {
log.Fatalf("Failed to create bigquery client: %v", err)
}
if err := client.Dataset(datasetID).Table(tableID).Delete(ctx); err != nil {
gapiErr, ok := err.(*googleapi.Error)
if ok {
if gapiErr.Code == http.StatusNotFound {
log.Println("Nothing to delete.")
return
}
}
log.Fatalf("Failed to delete user table: %v", err)
}
log.Println("Successfully deleted user table.")
}