mirror of
https://github.com/octoleo/restic.git
synced 2024-11-12 16:26:34 +00:00
75 lines
2.3 KiB
Go
75 lines
2.3 KiB
Go
// 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"
|
|
)
|
|
|
|
// CopyConfig holds the configuration for a copy job.
|
|
type CopyConfig struct {
|
|
// JobID is the ID to use for the copy job. If unset, a job ID will be automatically created.
|
|
JobID string
|
|
|
|
// Srcs are the tables from which data will be copied.
|
|
Srcs []*Table
|
|
|
|
// Dst is the table into which the data will be copied.
|
|
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 Copier copies data into a BigQuery table from one or more BigQuery tables.
|
|
type Copier struct {
|
|
CopyConfig
|
|
c *Client
|
|
}
|
|
|
|
// CopierFrom returns a Copier which can be used to copy data into a
|
|
// BigQuery table from one or more BigQuery tables.
|
|
// The returned Copier may optionally be further configured before its Run method is called.
|
|
func (t *Table) CopierFrom(srcs ...*Table) *Copier {
|
|
return &Copier{
|
|
c: t.c,
|
|
CopyConfig: CopyConfig{
|
|
Srcs: srcs,
|
|
Dst: t,
|
|
},
|
|
}
|
|
}
|
|
|
|
// Run initiates a copy job.
|
|
func (c *Copier) Run(ctx context.Context) (*Job, error) {
|
|
conf := &bq.JobConfigurationTableCopy{
|
|
CreateDisposition: string(c.CreateDisposition),
|
|
WriteDisposition: string(c.WriteDisposition),
|
|
DestinationTable: c.Dst.tableRefProto(),
|
|
}
|
|
for _, t := range c.Srcs {
|
|
conf.SourceTables = append(conf.SourceTables, t.tableRefProto())
|
|
}
|
|
job := &bq.Job{Configuration: &bq.JobConfiguration{Copy: conf}}
|
|
setJobRef(job, c.JobID, c.c.projectID)
|
|
return c.c.insertJob(ctx, &insertJobConf{job: job})
|
|
}
|