Vendor dependencies for GCS

vendor/cloud.google.com/go/bigquery/load.go

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+// Copyright 2016 Google Inc. All Rights Reserved.
+//
+// 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
+//
+//      http://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 bigquery
+
+import (
+	"golang.org/x/net/context"
+	bq "google.golang.org/api/bigquery/v2"
+)
+
+// LoadConfig holds the configuration for a load job.
+type LoadConfig struct {
+	// JobID is the ID to use for the load job. If unset, a job ID will be automatically created.
+	JobID string
+
+	// Src is the source from which data will be loaded.
+	Src LoadSource
+
+	// Dst is the table into which the data will be loaded.
+	Dst *Table
+
+	// CreateDisposition specifies the circumstances under which the destination table will be created.
+	// The default is CreateIfNeeded.
+	CreateDisposition TableCreateDisposition
+
+	// WriteDisposition specifies how existing data in the destination table is treated.
+	// The default is WriteAppend.
+	WriteDisposition TableWriteDisposition
+}
+
+// A Loader loads data from Google Cloud Storage into a BigQuery table.
+type Loader struct {
+	LoadConfig
+	c *Client
+}
+
+// A LoadSource represents a source of data that can be loaded into
+// a BigQuery table.
+//
+// This package defines two LoadSources: GCSReference, for Google Cloud Storage
+// objects, and ReaderSource, for data read from an io.Reader.
+type LoadSource interface {
+	populateInsertJobConfForLoad(conf *insertJobConf)
+}
+
+// LoaderFrom returns a Loader which can be used to load data into a BigQuery table.
+// The returned Loader may optionally be further configured before its Run method is called.
+func (t *Table) LoaderFrom(src LoadSource) *Loader {
+	return &Loader{
+		c: t.c,
+		LoadConfig: LoadConfig{
+			Src: src,
+			Dst: t,
+		},
+	}
+}
+
+// Run initiates a load job.
+func (l *Loader) Run(ctx context.Context) (*Job, error) {
+	job := &bq.Job{
+		Configuration: &bq.JobConfiguration{
+			Load: &bq.JobConfigurationLoad{
+				CreateDisposition: string(l.CreateDisposition),
+				WriteDisposition:  string(l.WriteDisposition),
+			},
+		},
+	}
+	conf := &insertJobConf{job: job}
+	l.Src.populateInsertJobConfForLoad(conf)
+	setJobRef(job, l.JobID, l.c.projectID)
+
+	job.Configuration.Load.DestinationTable = l.Dst.tableRefProto()
+
+	return l.c.insertJob(ctx, conf)
+}