Add inheritance module: SINGLE_TABLE vs JOINED vs TABLE_PER_CLASS on Hibernate 7.4.13.Final

Same payment hierarchy mapped three ways plus @MappedSuperclass, run with plain Hibernate on H2. Tests assert and write the generated DDL, the INSERT/SELECT SQL, row/insert/FK/nullability counts and the three failures (NOT NULL on a SINGLE_TABLE subclass column, IDENTITY with TABLE_PER_CLASS, querying a @MappedSuperclass); Bench writes indicative polymorphic-query timings. No docs folder: depth lives in the post.
2026-10-24 10:02:28 +00:00
parent 833f3e1c31
commit 807f681ed1
44 changed files with 1533 additions and 0 deletions
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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>com.ankurm</groupId>
+  <artifactId>inheritance</artifactId>
+  <version>1.0.0</version>
+  <name>inheritance</name>
+  <description>Hibernate 7 inheritance mapping: SINGLE_TABLE vs JOINED vs TABLE_PER_CLASS, run with plain Hibernate (no Spring)</description>
+
+  <properties>
+    <maven.compiler.release>25</maven.compiler.release>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <hibernate.version>7.4.13.Final</hibernate.version>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.hibernate.orm</groupId>
+      <artifactId>hibernate-core</artifactId>
+      <version>${hibernate.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>jakarta.persistence</groupId>
+      <artifactId>jakarta.persistence-api</artifactId>
+      <version>3.2.0</version>
+    </dependency>
+    <dependency>
+      <groupId>com.h2database</groupId>
+      <artifactId>h2</artifactId>
+      <version>2.4.240</version>
+    </dependency>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter</artifactId>
+      <version>6.0.3</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.assertj</groupId>
+      <artifactId>assertj-core</artifactId>
+      <version>3.27.7</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <version>3.6.0</version>
+      </plugin>
+    </plugins>
+  </build>
+</project>