diff --git a/.kokoro/run_samples_tests.sh b/.kokoro/run_samples_tests.sh index dc6929f00..ff25061b1 100755 --- a/.kokoro/run_samples_tests.sh +++ b/.kokoro/run_samples_tests.sh @@ -30,7 +30,10 @@ mvn -v # Setup required env variables export GOOGLE_CLOUD_PROJECT=java-docs-samples-testing export GOOGLE_APPLICATION_CREDENTIALS=${KOKORO_GFILE_DIR}/service-acct.json +export BIGQUERY_DATASET_NAME=bigquery_test_dataset export GCS_BUCKET=java-docs-samples-testing +export BIGQUERY_TABLE1=table1 +export BIGQUERY_TABLE2=table2 # Activate service account gcloud auth activate-service-account \ diff --git a/samples/src/main/java/com/example/bigquery/CopyMultipleTables.java b/samples/src/main/java/com/example/bigquery/CopyMultipleTables.java new file mode 100644 index 000000000..ff139a2a5 --- /dev/null +++ b/samples/src/main/java/com/example/bigquery/CopyMultipleTables.java @@ -0,0 +1,76 @@ +/* + * 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 + * + * 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 com.example.bigquery; + +// [START bigquery_copy_table_multiple_source] +import com.google.cloud.bigquery.BigQuery; +import com.google.cloud.bigquery.BigQueryException; +import com.google.cloud.bigquery.BigQueryOptions; +import com.google.cloud.bigquery.CopyJobConfiguration; +import com.google.cloud.bigquery.Job; +import com.google.cloud.bigquery.JobInfo; +import com.google.cloud.bigquery.TableId; +import java.util.Arrays; + +public class CopyMultipleTables { + + public static void runCopyMultipleTables() { + // TODO(developer): Replace these variables before running the sample. + String destinationDatasetName = "MY_DATASET_NAME"; + String destinationTableId = "MY_TABLE_NAME"; + copyMultipleTables(destinationDatasetName, destinationTableId); + } + + public static void copyMultipleTables(String destinationDatasetName, String destinationTableId) { + try { + // Initialize client that will be used to send requests. This client only needs to be created + // once, and can be reused for multiple requests. + BigQuery bigquery = BigQueryOptions.getDefaultInstance().getService(); + + TableId destinationTable = TableId.of(destinationDatasetName, destinationTableId); + + // For more information on CopyJobConfiguration see: + // https://googleapis.dev/java/google-cloud-clients/latest/com/google/cloud/bigquery/JobConfiguration.html + CopyJobConfiguration configuration = + CopyJobConfiguration.newBuilder( + destinationTable, + Arrays.asList( + TableId.of(destinationDatasetName, "table1"), + TableId.of(destinationDatasetName, "table2"))) + .build(); + + // For more information on Job see: + // https://googleapis.dev/java/google-cloud-clients/latest/index.html?com/google/cloud/bigquery/package-summary.html + Job job = bigquery.create(JobInfo.of(configuration)); + + // Blocks until this job completes its execution, either failing or succeeding. + Job completedJob = job.waitFor(); + if (completedJob == null) { + System.out.println("Job not executed since it no longer exists."); + return; + } else if (completedJob.getStatus().getError() != null) { + System.out.println( + "BigQuery was unable to copy tables due to an error: \n" + job.getStatus().getError()); + return; + } + System.out.println("Table copied successfully."); + } catch (BigQueryException | InterruptedException e) { + System.out.println("Table copying job was interrupted. \n" + e.toString()); + } + } +} +// [END bigquery_copy_table_multiple_source] diff --git a/samples/src/test/java/com/example/bigquery/CopyMultipleTablesIT.java b/samples/src/test/java/com/example/bigquery/CopyMultipleTablesIT.java new file mode 100644 index 000000000..b4d6e4be1 --- /dev/null +++ b/samples/src/test/java/com/example/bigquery/CopyMultipleTablesIT.java @@ -0,0 +1,73 @@ +/* + * Copyright 2020 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 + * + * 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 com.example.bigquery; + +import static com.google.common.truth.Truth.assertThat; +import static junit.framework.TestCase.assertNotNull; + +import java.io.ByteArrayOutputStream; +import java.io.PrintStream; +import java.util.UUID; +import org.junit.After; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; + +public class CopyMultipleTablesIT { + private ByteArrayOutputStream bout; + private PrintStream out; + + private static final String BIGQUERY_DATASET_NAME = System.getenv("BIGQUERY_DATASET_NAME"); + private static final String BIGQUERY_TABLE1 = System.getenv("BIGQUERY_TABLE1"); + private static final String BIGQUERY_TABLE2 = System.getenv("BIGQUERY_TABLE2"); + + private static void requireEnvVar(String varName) { + assertNotNull( + "Environment variable " + varName + " is required to perform these tests.", + System.getenv(varName)); + } + + @BeforeClass + public static void checkRequirements() { + requireEnvVar("BIGQUERY_DATASET_NAME"); + requireEnvVar("BIGQUERY_TABLE1"); + requireEnvVar("BIGQUERY_TABLE2"); + } + + @Before + public void setUp() throws Exception { + bout = new ByteArrayOutputStream(); + out = new PrintStream(bout); + System.setOut(out); + } + + @After + public void tearDown() { + System.setOut(null); + } + + @Test + public void testCopyMultipleTables() { + // Create a new destination table for each test since existing table cannot be overwritten + String generatedTableName = + "gcloud_test_table_temp_" + UUID.randomUUID().toString().replace('-', '_'); + CreateTable.createTable(BIGQUERY_DATASET_NAME, generatedTableName, null); + + CopyMultipleTables.copyMultipleTables(BIGQUERY_DATASET_NAME, generatedTableName); + assertThat(bout.toString()).contains("Table copied successfully."); + } +} diff --git a/samples/src/test/java/com/example/bigquery/ExtractTableToJsonIT.java b/samples/src/test/java/com/example/bigquery/ExtractTableToJsonIT.java index 6d776c64e..e018384ed 100644 --- a/samples/src/test/java/com/example/bigquery/ExtractTableToJsonIT.java +++ b/samples/src/test/java/com/example/bigquery/ExtractTableToJsonIT.java @@ -61,7 +61,6 @@ public void testExtractTableToJson() { String datasetName = "samples"; String tableName = "shakespeare"; String destinationUri = "gs://" + GCS_BUCKET + "/extractTest.csv"; - System.out.println(destinationUri); // Extract table content to GCS in CSV format ExtractTableToJson.extractTableToJson(projectId, datasetName, tableName, destinationUri);