Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
docs(samples): add create table without schema (#488)
- Loading branch information
Praful Makani
committed
Jun 26, 2020
1 parent
fdea80e
commit 9232370
Showing
2 changed files
with
127 additions
and
0 deletions.
There are no files selected for viewing
56 changes: 56 additions & 0 deletions
56
samples/snippets/src/main/java/com/example/bigquery/CreateTableWithoutSchema.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,56 @@ | ||
/* | ||
* 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_without_schema] | ||
import com.google.cloud.bigquery.BigQuery; | ||
import com.google.cloud.bigquery.BigQueryException; | ||
import com.google.cloud.bigquery.BigQueryOptions; | ||
import com.google.cloud.bigquery.Schema; | ||
import com.google.cloud.bigquery.StandardTableDefinition; | ||
import com.google.cloud.bigquery.TableDefinition; | ||
import com.google.cloud.bigquery.TableId; | ||
import com.google.cloud.bigquery.TableInfo; | ||
|
||
// Sample to create a table without schema | ||
public class CreateTableWithoutSchema { | ||
|
||
public static void runCreateTableWithoutSchema() { | ||
// TODO(developer): Replace these variables before running the sample. | ||
String datasetName = "MY_DATASET_NAME"; | ||
String tableName = "MY_TABLE_NAME"; | ||
createTableWithoutSchema(datasetName, tableName); | ||
} | ||
|
||
public static void createTableWithoutSchema(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); | ||
TableDefinition tableDefinition = StandardTableDefinition.of(Schema.of()); | ||
TableInfo tableInfo = TableInfo.newBuilder(tableId, tableDefinition).build(); | ||
|
||
bigquery.create(tableInfo); | ||
System.out.println("Table created successfully"); | ||
} catch (BigQueryException e) { | ||
System.out.println("Table was not created. \n" + e.toString()); | ||
} | ||
} | ||
} | ||
// [END bigquery_create_table_without_schema] |
71 changes: 71 additions & 0 deletions
71
samples/snippets/src/test/java/com/example/bigquery/CreateTableWithoutSchemaIT.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,71 @@ | ||
/* | ||
* 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 CreateTableWithoutSchemaIT { | ||
|
||
private String tableName; | ||
private ByteArrayOutputStream bout; | ||
private PrintStream out; | ||
|
||
private static final String BIGQUERY_DATASET_NAME = requireEnvVar("BIGQUERY_DATASET_NAME"); | ||
|
||
private static String requireEnvVar(String varName) { | ||
String value = System.getenv(varName); | ||
assertNotNull( | ||
"Environment variable " + varName + " is required to perform these tests.", | ||
System.getenv(varName)); | ||
return value; | ||
} | ||
|
||
@BeforeClass | ||
public static void checkRequirements() { | ||
requireEnvVar("BIGQUERY_DATASET_NAME"); | ||
} | ||
|
||
@Before | ||
public void setUp() { | ||
tableName = "MY_TABLE_TEST" + UUID.randomUUID().toString().replace('-', '_'); | ||
bout = new ByteArrayOutputStream(); | ||
out = new PrintStream(bout); | ||
System.setOut(out); | ||
} | ||
|
||
@After | ||
public void tearDown() { | ||
// Clean up | ||
DeleteTable.deleteTable(BIGQUERY_DATASET_NAME, tableName); | ||
System.setOut(null); | ||
} | ||
|
||
@Test | ||
public void testCreateTableWithoutSchema() { | ||
CreateTableWithoutSchema.createTableWithoutSchema(BIGQUERY_DATASET_NAME, tableName); | ||
assertThat(bout.toString()).contains("Table created successfully"); | ||
} | ||
} |