Fix DELETE queries with custom ID column names

  - Remove getIdDefiningParentPath() usage in JdbcDeleteQueryCreator
  - Add integration test for @column annotation on @id fields in DELETE operations

Author: Huiyeongkim

spring-data-jdbc/src/main/java/org/springframework/data/jdbc/repository/query/JdbcDeleteQueryCreator.java

@@ -150,11 +150,11 @@ private void deleteRelations(RelationalPersistentEntity<?> entity, Select parent
 
 			Condition inCondition = Conditions.in(expression, parentSelect);
 
-			List<Column> parentIdColumns = aggregatePath.getIdDefiningParentPath().getTableInfo().idColumnInfos()
+			List<Column> idColumns = aggregatePath.getTableInfo().idColumnInfos()
 					.toColumnList(table);
 
 			Select select = StatementBuilder.select( //
-					parentIdColumns //
+                            idColumns //
 			).from(table) //
 					.where(inCondition) //
 					.build();

spring-data-jdbc/src/test/java/org/springframework/data/jdbc/repository/JdbcRepositoryWithCollectionsCustomIdIntegrationTests.java

@@ -0,0 +1,117 @@
+package org.springframework.data.jdbc.repository;
+
+import static org.assertj.core.api.Assertions.*;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+import org.springframework.data.annotation.Id;
+import org.springframework.data.relational.core.mapping.Column;
+import org.springframework.data.jdbc.repository.support.JdbcRepositoryFactory;
+import org.springframework.data.jdbc.testing.DatabaseType;
+import org.springframework.data.jdbc.testing.EnabledOnDatabase;
+import org.springframework.data.jdbc.testing.IntegrationTest;
+import org.springframework.data.jdbc.testing.TestConfiguration;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
+
+/**
+ * Integration tests for custom ID column names with @Column annotation in DELETE operations.
+ * This tests the fix for DATAJDBC-2123.
+ */
+@IntegrationTest
+@EnabledOnDatabase(DatabaseType.HSQL)
+class JdbcRepositoryWithCollectionsCustomIdIntegrationTests {
+
+    @Autowired NamedParameterJdbcTemplate template;
+    @Autowired CustomIdEntityRepository repository;
+
+    private static CustomIdEntity createCustomIdEntity() {
+        CustomIdEntity entity = new CustomIdEntity();
+        entity.name = "Custom ID Entity Name";
+        return entity;
+    }
+
+    @Test // DATAJDBC-2123
+    void deleteByNameWithCustomIdColumn() {
+
+        CustomIdChildElement element1 = createCustomIdChildElement("one");
+        CustomIdChildElement element2 = createCustomIdChildElement("two");
+
+        CustomIdEntity entity = createCustomIdEntity();
+        entity.content.add(element1);
+        entity.content.add(element2);
+
+        entity = repository.save(entity);
+
+        assertThat(repository.deleteByName("Custom ID Entity Name")).isEqualTo(1);
+
+        assertThat(repository.findById(entity.id)).isEmpty();
+
+        Long count = template.queryForObject("select count(1) from custom_id_grand_child_element", new HashMap<>(), Long.class);
+        assertThat(count).isEqualTo(0);
+    }
+
+    private CustomIdChildElement createCustomIdChildElement(String name) {
+
+        CustomIdChildElement element = new CustomIdChildElement();
+        element.name = name;
+        element.content.add(createCustomIdGrandChildElement(name + "1"));
+        element.content.add(createCustomIdGrandChildElement(name + "2"));
+        return element;
+    }
+
+    private CustomIdGrandChildElement createCustomIdGrandChildElement(String content) {
+
+        CustomIdGrandChildElement element = new CustomIdGrandChildElement();
+        element.content = content;
+        return element;
+    }
+
+    interface CustomIdEntityRepository extends CrudRepository<CustomIdEntity, Long> {
+        long deleteByName(String name);
+    }
+
+    @Configuration
+    @Import(TestConfiguration.class)
+    static class Config {
+
+        @Autowired JdbcRepositoryFactory factory;
+
+        @Bean
+        Class<?> testClass() {
+            return JdbcRepositoryWithCollectionsCustomIdIntegrationTests.class;
+        }
+
+        @Bean
+        CustomIdEntityRepository customIdEntityRepository() {
+            return factory.getRepository(CustomIdEntityRepository.class);
+        }
+    }
+
+    static class CustomIdEntity {
+
+        String name;
+        Set<CustomIdChildElement> content = new HashSet<>();
+        @Id private Long id;
+    }
+
+    static class CustomIdChildElement {
+
+        String name;
+        Set<CustomIdGrandChildElement> content = new HashSet<>();
+        @Id @Column("CHILD_ID") private Long id;
+    }
+
+    static class CustomIdGrandChildElement {
+
+        String content;
+        @Id private Long id;
+    }
+}

spring-data-jdbc/src/test/resources/org.springframework.data.jdbc.repository/JdbcRepositoryWithCollectionsCustomIdIntegrationTests-hsql.sql

@@ -0,0 +1,17 @@
+CREATE TABLE CUSTOM_ID_ENTITY
+(
+    ID   BIGINT GENERATED BY DEFAULT AS IDENTITY (START WITH 1) PRIMARY KEY,
+    NAME VARCHAR(100)
+);
+CREATE TABLE CUSTOM_ID_CHILD_ELEMENT
+(
+    CHILD_ID             BIGINT GENERATED BY DEFAULT AS IDENTITY (START WITH 1) PRIMARY KEY,
+    NAME                 VARCHAR(100),
+    CUSTOM_ID_ENTITY     BIGINT
+);
+CREATE TABLE CUSTOM_ID_GRAND_CHILD_ELEMENT
+(
+    ID                           BIGINT GENERATED BY DEFAULT AS IDENTITY (START WITH 1) PRIMARY KEY,
+    CONTENT                      VARCHAR(100),
+    CUSTOM_ID_CHILD_ELEMENT      BIGINT
+);