From ecdade561c202b4142a79d9f622374cc1e701d35 Mon Sep 17 00:00:00 2001
From: Giheon Do <dgh0001@naver.com>
Date: Sun, 15 Jun 2025 16:41:19 +0900
Subject: [PATCH 1/2] Cache query strings in SimpleJpaRepository

Cache the deleteAll and count query strings as final fields in SimpleJpaRepository.
This avoids repeated String.format operations and reduces unnecessary object creation
on every invocation of deleteAllInBatch() and count(). No functional changes.

Signed-off-by: Giheon Do <dgh0001@naver.com>
---
 .../jpa/repository/support/SimpleJpaRepository.java    | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/support/SimpleJpaRepository.java b/spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/support/SimpleJpaRepository.java
index bebe618fe2..360c8668ea 100644
--- a/spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/support/SimpleJpaRepository.java
+++ b/spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/support/SimpleJpaRepository.java
@@ -121,6 +121,9 @@ public class SimpleJpaRepository<T, ID> implements JpaRepositoryImplementation<T
 	private final EntityManager entityManager;
 	private final PersistenceProvider provider;
 
+	private final String deleteAllQueryString;
+	private final String countQueryString;
+
 	private @Nullable CrudMethodMetadata metadata;
 	private ProjectionFactory projectionFactory;
 	private EscapeCharacter escapeCharacter = EscapeCharacter.DEFAULT;
@@ -140,6 +143,9 @@ public SimpleJpaRepository(JpaEntityInformation<T, ?> entityInformation, EntityM
 		this.entityManager = entityManager;
 		this.provider = PersistenceProvider.fromEntityManager(entityManager);
 		this.projectionFactory = new SpelAwareProxyProjectionFactory();
+
+		this.deleteAllQueryString = getDeleteAllQueryString();
+		this.countQueryString = getCountQueryString();
 	}
 
 	/**
@@ -309,7 +315,7 @@ public void deleteAll() {
 	@Transactional
 	public void deleteAllInBatch() {
 
-		Query query = entityManager.createQuery(getDeleteAllQueryString());
+		Query query = entityManager.createQuery(deleteAllQueryString);
 
 		applyQueryHints(query);
 
@@ -630,7 +636,7 @@ public <S extends T, R> R findBy(Example<S> example, Function<FetchableFluentQue
 	@Override
 	public long count() {
 
-		TypedQuery<Long> query = entityManager.createQuery(getCountQueryString(), Long.class);
+		TypedQuery<Long> query = entityManager.createQuery(countQueryString, Long.class);
 
 		applyQueryHintsForCount(query);
 

From 397ec356a81ed1f72af80f09a8cad60cf565746e Mon Sep 17 00:00:00 2001
From: Giheon Do <dgh0001@naver.com>
Date: Sun, 15 Jun 2025 16:42:42 +0900
Subject: [PATCH 2/2] Add author

Signed-off-by: Giheon Do <dgh0001@naver.com>
---
 .../data/jpa/repository/support/SimpleJpaRepository.java         | 1 +
 1 file changed, 1 insertion(+)

diff --git a/spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/support/SimpleJpaRepository.java b/spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/support/SimpleJpaRepository.java
index 360c8668ea..135a3010d9 100644
--- a/spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/support/SimpleJpaRepository.java
+++ b/spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/support/SimpleJpaRepository.java
@@ -104,6 +104,7 @@
  * @author Diego Krupitza
  * @author Seol-JY
  * @author Joshua Chen
+ * @author Dockerel
  */
 @Repository
 @Transactional(readOnly = true)