diff --git a/samples/src/main/java/com/example/bigquery/CreateClusteredTable.java b/samples/src/main/java/com/example/bigquery/CreateClusteredTable.java new file mode 100644 index 000000000..1fc265e17 --- /dev/null +++ b/samples/src/main/java/com/example/bigquery/CreateClusteredTable.java @@ -0,0 +1,75 @@ +/* + * 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; + +// [START bigquery_create_table_clustered] +import com.google.cloud.bigquery.BigQuery; +import com.google.cloud.bigquery.BigQueryException; +import com.google.cloud.bigquery.BigQueryOptions; +import com.google.cloud.bigquery.Clustering; +import com.google.cloud.bigquery.Field; +import com.google.cloud.bigquery.Schema; +import com.google.cloud.bigquery.StandardSQLTypeName; +import com.google.cloud.bigquery.StandardTableDefinition; +import com.google.cloud.bigquery.TableId; +import com.google.cloud.bigquery.TableInfo; +import com.google.cloud.bigquery.TimePartitioning; +import com.google.common.collect.ImmutableList; + +public class CreateClusteredTable { + public static void runCreateClusteredTable() { + // TODO(developer): Replace these variables before running the sample. + String datasetName = "MY_DATASET_NAME"; + String tableName = "MY_TABLE_NAME"; + createClusteredTable(datasetName, tableName); + } + + public static void createClusteredTable(String datasetName, String tableName) { + 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 tableId = TableId.of(datasetName, tableName); + + TimePartitioning partitioning = TimePartitioning.of(TimePartitioning.Type.DAY); + + Schema schema = + Schema.of( + Field.of("name", StandardSQLTypeName.STRING), + Field.of("post_abbr", StandardSQLTypeName.STRING), + Field.of("date", StandardSQLTypeName.DATE)); + + Clustering clustering = + Clustering.newBuilder().setFields(ImmutableList.of("name", "post_abbr")).build(); + + StandardTableDefinition tableDefinition = + StandardTableDefinition.newBuilder() + .setSchema(schema) + .setTimePartitioning(partitioning) + .setClustering(clustering) + .build(); + TableInfo tableInfo = TableInfo.newBuilder(tableId, tableDefinition).build(); + + bigquery.create(tableInfo); + System.out.println("Clustered table created successfully"); + } catch (BigQueryException e) { + System.out.println("Clustered table was not created. \n" + e.toString()); + } + } +} +// [END bigquery_create_table_clustered] diff --git a/samples/src/test/java/com/example/bigquery/CreateClusteredTableIT.java b/samples/src/test/java/com/example/bigquery/CreateClusteredTableIT.java new file mode 100644 index 000000000..4f8c29942 --- /dev/null +++ b/samples/src/test/java/com/example/bigquery/CreateClusteredTableIT.java @@ -0,0 +1,69 @@ +/* + * 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 org.junit.After; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; + +public class CreateClusteredTableIT { + private ByteArrayOutputStream bout; + private PrintStream out; + + private static final String BIGQUERY_DATASET_NAME = System.getenv("BIGQUERY_DATASET_NAME"); + + 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"); + } + + @Before + public void setUp() { + bout = new ByteArrayOutputStream(); + out = new PrintStream(bout); + System.setOut(out); + } + + @After + public void tearDown() { + System.setOut(null); + } + + @Test + public void createClusteredTable() { + String tableName = "MY_CLUSTERED_TABLE"; + + CreateClusteredTable.createClusteredTable(BIGQUERY_DATASET_NAME, tableName); + + assertThat(bout.toString()).contains("Clustered table created successfully"); + + // Clean up + DeleteTable.deleteTable(BIGQUERY_DATASET_NAME, tableName); + } +}