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doc: Array of Structure Query Code sample (#2540)
* feat: Array of Structure Query Code sample * 🦉 Updates from OwlBot post-processor See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md --------- Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
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...s/snippets/src/main/java/com/example/bigquery/QueryWithArrayOfStructsNamedParameters.java
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| /* | ||
| * Copyright 2023 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. | ||
| */ | ||
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| package com.example.bigquery; | ||
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| // [START bigquery_query_array_structs_params_named] | ||
| import com.google.cloud.bigquery.BigQuery; | ||
| import com.google.cloud.bigquery.BigQueryException; | ||
| import com.google.cloud.bigquery.BigQueryOptions; | ||
| import com.google.cloud.bigquery.QueryJobConfiguration; | ||
| import com.google.cloud.bigquery.QueryParameterValue; | ||
| import com.google.cloud.bigquery.StandardSQLTypeName; | ||
| import com.google.cloud.bigquery.TableResult; | ||
| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
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| public class QueryWithArrayOfStructsNamedParameters { | ||
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| public static void main(String[] args) { | ||
| queryWithArrayOfStructsNamedParameters(); | ||
| } | ||
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| public static void queryWithArrayOfStructsNamedParameters() { | ||
| 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(); | ||
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| Map<String, QueryParameterValue> structMap = new HashMap<>(); | ||
| structMap.put("stringField", QueryParameterValue.string("test-stringField")); | ||
| QueryParameterValue structQueryParam = QueryParameterValue.struct(structMap); | ||
| List<QueryParameterValue> arrayOfStructs = new ArrayList<>(); | ||
| arrayOfStructs.add(structQueryParam); | ||
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| String query = "SELECT (@arrayOfStructField) AS record"; | ||
| QueryJobConfiguration queryConfig = | ||
| QueryJobConfiguration.newBuilder(query) | ||
| .setUseLegacySql(false) | ||
| .addNamedParameter( | ||
| "arrayOfStructField", | ||
| QueryParameterValue.array(arrayOfStructs.toArray(), StandardSQLTypeName.STRING)) | ||
| .build(); | ||
| TableResult results = bigquery.query(queryConfig); | ||
| results | ||
| .iterateAll() | ||
| .forEach(row -> row.forEach(val -> System.out.printf("%s", val.toString()))); | ||
| System.out.println("Query with Array of struct parameters performed successfully."); | ||
| } catch (BigQueryException | InterruptedException e) { | ||
| System.out.println("Query not performed \n" + e.toString()); | ||
| } | ||
| } | ||
| } | ||
| // [END bigquery_query_array_structs_params_named] |
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...snippets/src/test/java/com/example/bigquery/QueryWithArrayOfStructsNamedParametersIT.java
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| /* | ||
| * Copyright 2023 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. | ||
| */ | ||
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| package com.example.bigquery; | ||
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| import static com.google.common.truth.Truth.assertThat; | ||
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| import java.io.ByteArrayOutputStream; | ||
| import java.io.PrintStream; | ||
| import java.util.logging.Level; | ||
| import java.util.logging.Logger; | ||
| import org.junit.After; | ||
| import org.junit.Before; | ||
| import org.junit.Test; | ||
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| public class QueryWithArrayOfStructsNamedParametersIT { | ||
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| private final Logger log = Logger.getLogger(this.getClass().getName()); | ||
| private ByteArrayOutputStream bout; | ||
| private PrintStream out; | ||
| private PrintStream originalPrintStream; | ||
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| @Before | ||
| public void setUp() { | ||
| bout = new ByteArrayOutputStream(); | ||
| out = new PrintStream(bout); | ||
| originalPrintStream = System.out; | ||
| System.setOut(out); | ||
| } | ||
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| @After | ||
| public void tearDown() { | ||
| // restores print statements in the original method | ||
| System.out.flush(); | ||
| System.setOut(originalPrintStream); | ||
| log.log(Level.INFO, "\n" + bout.toString()); | ||
| } | ||
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| @Test | ||
| public void testQueryWithNamedParameters() { | ||
| QueryWithArrayOfStructsNamedParameters.queryWithArrayOfStructsNamedParameters(); | ||
| assertThat(bout.toString()) | ||
| .contains("Query with Array of struct parameters performed successfully."); | ||
| } | ||
| } |