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docs(samples): add create and delete routine (#493)
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Praful Makani committed Jun 29, 2020
1 parent 2a10616 commit 99c324c60a7825da7259a3173ee6b776d0c76825
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/*
* 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_routine]
import com.google.cloud.bigquery.BigQuery;
import com.google.cloud.bigquery.BigQueryException;
import com.google.cloud.bigquery.BigQueryOptions;
import com.google.cloud.bigquery.RoutineArgument;
import com.google.cloud.bigquery.RoutineId;
import com.google.cloud.bigquery.RoutineInfo;
import com.google.cloud.bigquery.StandardSQLDataType;
import com.google.cloud.bigquery.StandardSQLTypeName;
import com.google.common.collect.ImmutableList;

// Sample to create a routine
public class CreateRoutine {

public static void runCreateRoutine() {
// TODO(developer): Replace these variables before running the sample.
String datasetName = "MY_DATASET_NAME";
String routineName = "MY_ROUTINE_NAME";
createRoutine(datasetName, routineName);
}

public static void createRoutine(String datasetName, String routineName) {
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();

RoutineId routineId = RoutineId.of(datasetName, routineName);

RoutineInfo routineInfo =
RoutineInfo.newBuilder(routineId)
.setRoutineType("SCALAR_FUNCTION")
.setLanguage("SQL")
.setBody("x * 3")
.setArguments(
ImmutableList.of(
RoutineArgument.newBuilder()
.setName("x")
.setDataType(
StandardSQLDataType.newBuilder(StandardSQLTypeName.INT64).build())
.build()))
.build();
bigquery.create(routineInfo);
System.out.println("Routine created successfully");
} catch (BigQueryException e) {
System.out.println("Routine was not created. \n" + e.toString());
}
}
}
// [END bigquery_create_routine]
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/*
* 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_delete_routine]
import com.google.cloud.bigquery.BigQuery;
import com.google.cloud.bigquery.BigQueryException;
import com.google.cloud.bigquery.BigQueryOptions;
import com.google.cloud.bigquery.RoutineId;

// Sample to delete a routine
public class DeleteRoutine {

public static void runDeleteRoutine() {
// TODO(developer): Replace these variables before running the sample.
String datasetName = "MY_DATASET_NAME";
String routineName = "MY_ROUTINE_NAME";
deleteRoutine(datasetName, routineName);
}

public static void deleteRoutine(String datasetName, String routineName) {
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();
boolean success = bigquery.delete(RoutineId.of(datasetName, routineName));
if (success) {
System.out.println("Routine deleted successfully");
} else {
System.out.println("Routine was not found");
}
} catch (BigQueryException e) {
System.out.println("Routine was not deleted. \n" + e.toString());
}
}
}
// [END bigquery_delete_routine]
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/*
* 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 CreateRoutineIT {

private String routineName;
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() {
routineName = "MY_ROUTINE_NAME_TEST_" + UUID.randomUUID().toString().substring(0, 8);
bout = new ByteArrayOutputStream();
out = new PrintStream(bout);
System.setOut(out);
}

@After
public void tearDown() {
// Clean up
DeleteRoutine.deleteRoutine(BIGQUERY_DATASET_NAME, routineName);
System.setOut(null);
}

@Test
public void testCreateRoutine() {
CreateRoutine.createRoutine(BIGQUERY_DATASET_NAME, routineName);
assertThat(bout.toString()).contains("Routine created successfully");
}
}
@@ -0,0 +1,76 @@
/*
* 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 DeleteRoutineIT {

private String routineName;
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() {
bout = new ByteArrayOutputStream();
out = new PrintStream(bout);
System.setOut(out);

// create a temporary routine
routineName = "MY_ROUTINE_NAME_TEST_" + UUID.randomUUID().toString().substring(0, 8);
CreateRoutine.createRoutine(BIGQUERY_DATASET_NAME, routineName);

bout = new ByteArrayOutputStream();
out = new PrintStream(bout);
System.setOut(out);
}

@After
public void tearDown() {
System.setOut(null);
}

@Test
public void testDeleteRoutine() {
DeleteRoutine.deleteRoutine(BIGQUERY_DATASET_NAME, routineName);
assertThat(bout.toString()).contains("Routine deleted successfully");
}
}

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