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Fix exists query for imperative repository implementation.

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Original Pull Request #2236
Closes #2162

(cherry picked from commit 373be49f97fe333714d29ce5e78ace38d7b0354f)
(cherry picked from commit be70a398be3e8788f3ab11d476811f9aa6802e9c)
This commit is contained in:
Peter-Josef Meisch 2022-07-22 21:56:24 +02:00
parent 7b96041bc3
commit 9a442df5b9
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3 changed files with 36 additions and 0 deletions
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3
src/main/java/org/springframework/data/elasticsearch/repository/query/ElasticsearchPartQuery.java
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@ -128,6 +128,9 @@ public class ElasticsearchPartQuery extends AbstractElasticsearchRepositoryQuery
} else if (tree.isCountProjection()) {
result = elasticsearchOperations.count(query, clazz, index);
} else if (tree.isExistsProjection()) {
long count = elasticsearchOperations.count(query, clazz, index);
result = count > 0;
} else {
result = elasticsearchOperations.searchOne(query, clazz, index);
}

13
src/test/java/org/springframework/data/elasticsearch/repository/query/keywords/QueryKeywordsTests.java
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@ -321,6 +321,17 @@ class QueryKeywordsTests {
assertThat(searchHits.getTotalHits()).isEqualTo(5);
}
@Test // #2162
@DisplayName("should run exists query")
void shouldRunExistsQuery() {
Boolean existsCaneSugar = repository.existsByText("Cane sugar");
Boolean existsSand = repository.existsByText("Sand");
assertThat(existsCaneSugar).isTrue();
assertThat(existsSand).isFalse();
}
@SuppressWarnings("unused")
@Document(indexName = "test-index-product-query-keywords")
static class Product {
@ -459,6 +470,8 @@ class QueryKeywordsTests {
SearchHits<Product> findByNameEmpty();
SearchHits<Product> findByNameNotEmpty();
Boolean existsByText(String text);
}
}

20
src/test/java/org/springframework/data/elasticsearch/repository/query/keywords/ReactiveQueryKeywordsIntegrationTests.java
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@ -19,8 +19,11 @@ import static org.assertj.core.api.Assertions.*;
import static org.springframework.data.elasticsearch.annotations.FieldType.*;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
import java.lang.Boolean;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Order;
@ -139,6 +142,21 @@ public class ReactiveQueryKeywordsIntegrationTests {
}).verifyComplete();
}
@Test // #2162
@DisplayName("should run exists query")
void shouldRunExistsQuery() {
loadEntities();
repository.existsByMessage("message") //
.as(StepVerifier::create) //
.expectNext(true) //
.verifyComplete();
repository.existsByMessage("without") //
.as(StepVerifier::create) //
.expectNext(false) //
.verifyComplete();
}
@SuppressWarnings("SpringDataMethodInconsistencyInspection")
interface SampleRepository extends ReactiveElasticsearchRepository<SampleEntity, String> {
Flux<SearchHit<SampleEntity>> findByMessageExists();
@ -150,6 +168,8 @@ public class ReactiveQueryKeywordsIntegrationTests {
Flux<SearchHit<SampleEntity>> findByMessageIsNotEmpty();
Flux<SearchHit<SampleEntity>> findByMessageIsEmpty();
Mono<Boolean> existsByMessage(String message);
}
private void loadEntities() {