Testcase for CriteriaQuery for Sum of Case/When/then using Enumeration

orm/hibernate-orm-6/pom.xml

@@ -2,72 +2,36 @@
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 
-	<groupId>org.hibernate.testcasetemplate</groupId>
-	<artifactId>test-case-template-hibernate-orm-6</artifactId>
+	<groupId>org.spring-projects.spring-data-jpa</groupId>
+	<artifactId>test-case-query-sum-enumeration</artifactId>
 	<version>1.0.0.Final</version>
-	<name>Hibernate ORM 6 Test Case Template</name>
 
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<!-- Test works w/ 3.2.12 -->
+<!--		<version>3.2.12</version>-->
+		<!-- Test fails w/ 3.4.5 -->
+		<version>3.4.5</version>
+	</parent>
 	<properties>
-		<version.com.h2database>2.3.232</version.com.h2database>
-		<version.junit-jupiter>5.11.4</version.junit-jupiter>
-		<version.org.hibernate.orm>6.6.13.Final</version.org.hibernate.orm>
-		<version.org.assertj.assertj-core>3.27.3</version.org.assertj.assertj-core>
+		<java.version>21</java.version>
 	</properties>
 
-	<dependencyManagement>
-		<dependencies>
-			<dependency>
-				<groupId>org.hibernate.orm</groupId>
-				<artifactId>hibernate-platform</artifactId>
-				<version>${version.org.hibernate.orm}</version>
-				<type>pom</type>
-				<scope>import</scope>
-			</dependency>
-			<dependency>
-				<groupId>org.junit</groupId>
-				<artifactId>junit-bom</artifactId>
-				<version>${version.junit-jupiter}</version>
-				<type>pom</type>
-				<scope>import</scope>
-			</dependency>
-		</dependencies>
-	</dependencyManagement>
-
 	<dependencies>
 		<dependency>
-			<groupId>org.hibernate.orm</groupId>
-			<artifactId>hibernate-core</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>com.h2database</groupId>
-			<artifactId>h2</artifactId>
-			<version>${version.com.h2database}</version>
-		</dependency>
-
-		<dependency>
-			<groupId>org.hibernate.orm</groupId>
-			<artifactId>hibernate-testing</artifactId>
-			<scope>test</scope>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
 		</dependency>
 		<dependency>
-			<groupId>org.junit.jupiter</groupId>
-			<artifactId>junit-jupiter</artifactId>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
-			<groupId>org.junit.platform</groupId>
-			<artifactId>junit-platform-launcher</artifactId>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.junit.jupiter</groupId>
-			<artifactId>junit-jupiter-engine</artifactId>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.assertj</groupId>
-			<artifactId>assertj-core</artifactId>
-			<version>${version.org.assertj.assertj-core}</version>
+			<groupId>com.h2database</groupId>
+			<artifactId>h2</artifactId>
+			<version>2.3.232</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
@@ -79,30 +43,9 @@
 				<artifactId>maven-compiler-plugin</artifactId>
 				<version>3.14.0</version>
 				<configuration>
-					<release>11</release>
+					<release>${java.version}</release>
 				</configuration>
 			</plugin>
-			<plugin>
-				<groupId>org.hibernate.orm.tooling</groupId>
-				<artifactId>hibernate-enhance-maven-plugin</artifactId>
-				<version>${version.org.hibernate.orm}</version>
-				<executions>
-					<execution>
-						<configuration>
-							<base>${project.build.testOutputDirectory}</base>
-							<dir>${project.build.testOutputDirectory}</dir>
-							<enableAssociationManagement>false</enableAssociationManagement>
-							<enableDirtyTracking>false</enableDirtyTracking>
-							<enableExtendedEnhancement>false</enableExtendedEnhancement>
-							<enableLazyInitialization>false</enableLazyInitialization>
-						</configuration>
-						<phase>test-compile</phase>
-						<goals>
-							<goal>enhance</goal>
-						</goals>
-					</execution>
-				</executions>
-			</plugin>
 		</plugins>
 	</build>
 </project>

orm/hibernate-orm-6/src/main/java/org/spring/data/jpa/bugs/OurEntity.java

@@ -0,0 +1,59 @@
+package org.spring.data.jpa.bugs;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.EnumType;
+import jakarta.persistence.Enumerated;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.SequenceGenerator;
+
+@Entity
+public class OurEntity {
+
+    @Id
+    @SequenceGenerator(name = "ourEntitySeq", sequenceName = "OUR_ENTITY_ID_SEQ", allocationSize = 1)
+    @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "ourEntitySeq")
+    private Long id;
+    @Column(name = "name")
+    private String name;
+
+    @Column(name = "common_name")
+    private String commonName;
+    @Enumerated( EnumType.ORDINAL )
+    @Column(name = "our_status")
+    private OurStatus ourStatus;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getCommonName() {
+        return commonName;
+    }
+
+    public void setCommonName(String common_name) {
+        this.commonName = common_name;
+    }
+
+    public OurStatus getOurStatus() {
+        return ourStatus;
+    }
+
+    public void setOurStatus(OurStatus ourStatus) {
+        this.ourStatus = ourStatus;
+    }
+}

orm/hibernate-orm-6/src/main/java/org/spring/data/jpa/bugs/OurEntityPercentageStatus.java

@@ -0,0 +1,28 @@
+package org.spring.data.jpa.bugs;
+
+public class OurEntityPercentageStatus {
+
+    private String commonName;
+    private Double percentageStatus;
+
+    public OurEntityPercentageStatus(String commonName, Double percentageStatus) {
+        this.commonName = commonName;
+        this.percentageStatus = percentageStatus;
+    }
+
+    public String getCommonName() {
+        return commonName;
+    }
+
+    public void setCommonName(String commonName) {
+        this.commonName = commonName;
+    }
+
+    public Double getPercentageOut() {
+        return percentageStatus;
+    }
+
+    public void setPercentageOut(Double percentageOut) {
+        this.percentageStatus = percentageOut;
+    }
+}

orm/hibernate-orm-6/src/main/java/org/spring/data/jpa/bugs/OurEntityRepository.java

@@ -0,0 +1,11 @@
+package org.spring.data.jpa.bugs;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+import org.springframework.transaction.annotation.Transactional;
+
+@Repository
+@Transactional
+public interface OurEntityRepository extends JpaRepository<OurEntity, Long> {
+
+}

orm/hibernate-orm-6/src/main/java/org/spring/data/jpa/bugs/OurService.java

@@ -0,0 +1,43 @@
+package org.spring.data.jpa.bugs;
+
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.criteria.CriteriaBuilder;
+import jakarta.persistence.criteria.CriteriaQuery;
+import jakarta.persistence.criteria.Root;
+import jakarta.persistence.criteria.Selection;
+import java.util.List;
+import org.springframework.stereotype.Component;
+
+@Component
+public class OurService {
+
+    private final EntityManager entityManager;
+
+    public OurService(EntityManager entityManager) {
+        this.entityManager = entityManager;
+    }
+
+    public List<OurEntityPercentageStatus> createPercentageQuery() {
+        CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
+
+        CriteriaQuery<OurEntityPercentageStatus> criteriaQuery = criteriaBuilder.createQuery(OurEntityPercentageStatus.class);
+        Root<OurEntity> root = criteriaQuery.from(OurEntity.class);
+        criteriaQuery.groupBy(root.get("commonName"));
+
+        OurStatus ourStatus = OurStatus.STATUS_1;
+
+        // Get percentage of ourEntities in status STATUS_1. PSEUDOCODE: SUM(case when our_status == STATUS_1 then 1 else 0 end) / cast(Count(*) as decimal)) * 100  as percentage_out
+        Selection<Double> percentageOutSelection = criteriaBuilder.prod(criteriaBuilder.quot(criteriaBuilder.sum(
+            criteriaBuilder.selectCase(root.get("ourStatus"))
+                .when(ourStatus.ordinal(), 1.0)
+                .otherwise(0.0)
+                .as(Double.class)), criteriaBuilder.count(root)), 100.0).as(Double.class).alias("percentage_out");
+
+        //Get objects with dealerDatabaseId and percentage_out
+        criteriaQuery.select(
+            criteriaBuilder.construct(OurEntityPercentageStatus.class, root.get("commonName"), percentageOutSelection));
+        CriteriaQuery<OurEntityPercentageStatus> finalQuery = criteriaQuery.multiselect(root.get("commonName"),
+            percentageOutSelection);
+        return entityManager.createQuery(finalQuery).getResultList();
+    }
+}

orm/hibernate-orm-6/src/main/java/org/spring/data/jpa/bugs/OurStatus.java

@@ -0,0 +1,7 @@
+package org.spring.data.jpa.bugs;
+
+public enum OurStatus {
+    STATUS_1,
+    STATUS_2,
+    ;
+}