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feat(bigquery/snippets/loadingdata): add hive partitioning load sample (
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bigquery/snippets/loadingdata/bigquery_load_table_gcs_hivepartitioning.go
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| // 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. | ||
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| package loadingdata | ||
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| // [START bigquery_load_table_gcs_hivepartitioning] | ||
| import ( | ||
| "context" | ||
| "fmt" | ||
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| "cloud.google.com/go/bigquery" | ||
| ) | ||
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| // importWithHivePartitioning demonstrates loading data into a BigQuery managed | ||
| // table that includes data from a hive-based partition file layout. | ||
| func importWithHivePartitioning(projectID, datasetID, tableID string) error { | ||
| // projectID := "my-project-id" | ||
| // datasetID := "mydataset" | ||
| // tableID := "mytable" | ||
| ctx := context.Background() | ||
| client, err := bigquery.NewClient(ctx, projectID) | ||
| if err != nil { | ||
| return fmt.Errorf("bigquery.NewClient: %v", err) | ||
| } | ||
| defer client.Close() | ||
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| gcsRef := bigquery.NewGCSReference("gs://cloud-samples-data/bigquery/hive-partitioning-samples/customlayout/*") | ||
| gcsRef.SourceFormat = bigquery.Parquet | ||
| loader := client.Dataset(datasetID).Table(tableID).LoaderFrom(gcsRef) | ||
| loader.HivePartitioningOptions = &bigquery.HivePartitioningOptions{ | ||
| Mode: bigquery.CustomHivePartitioningMode, | ||
| SourceURIPrefix: "gs://cloud-samples-data/bigquery/hive-partitioning-samples/customlayout/{pkey:STRING}/", | ||
| } | ||
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| job, err := loader.Run(ctx) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| status, err := job.Wait(ctx) | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| if status.Err() != nil { | ||
| return fmt.Errorf("job completed with error: %v", status.Err()) | ||
| } | ||
| return nil | ||
| } | ||
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| // [END bigquery_load_table_gcs_hivepartitioning] |
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