copy_op.go 1.4 KB

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  1. // Copyright 2015 Google Inc. All Rights Reserved.
  2. //
  3. // Licensed under the Apache License, Version 2.0 (the "License");
  4. // you may not use this file except in compliance with the License.
  5. // You may obtain a copy of the License at
  6. //
  7. // http://www.apache.org/licenses/LICENSE-2.0
  8. //
  9. // Unless required by applicable law or agreed to in writing, software
  10. // distributed under the License is distributed on an "AS IS" BASIS,
  11. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12. // See the License for the specific language governing permissions and
  13. // limitations under the License.
  14. package bigquery
  15. import (
  16. "fmt"
  17. "golang.org/x/net/context"
  18. bq "google.golang.org/api/bigquery/v2"
  19. )
  20. type copyOption interface {
  21. customizeCopy(conf *bq.JobConfigurationTableCopy, projectID string)
  22. }
  23. func (c *Client) cp(ctx context.Context, dst *Table, src Tables, options []Option) (*Job, error) {
  24. job, options := initJobProto(c.projectID, options)
  25. payload := &bq.JobConfigurationTableCopy{}
  26. dst.customizeCopyDst(payload, c.projectID)
  27. src.customizeCopySrc(payload, c.projectID)
  28. for _, opt := range options {
  29. o, ok := opt.(copyOption)
  30. if !ok {
  31. return nil, fmt.Errorf("option (%#v) not applicable to dst/src pair: dst: %T ; src: %T", opt, dst, src)
  32. }
  33. o.customizeCopy(payload, c.projectID)
  34. }
  35. job.Configuration = &bq.JobConfiguration{
  36. Copy: payload,
  37. }
  38. return c.service.insertJob(ctx, job, c.projectID)
  39. }