From 302eaab66fa6dfcca7bd04f606a60851b028d1f2 Mon Sep 17 00:00:00 2001
From: asmhatre <asmhatre@gmail.com>
Date: Sat, 25 Jul 2026 05:36:28 +0000
Subject: [PATCH] Add BookRepository.java

---
 .../ankurm/sdjpa4demo/repo/BookRepository.java   | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 src/main/java/com/ankurm/sdjpa4demo/repo/BookRepository.java

diff --git a/src/main/java/com/ankurm/sdjpa4demo/repo/BookRepository.java b/src/main/java/com/ankurm/sdjpa4demo/repo/BookRepository.java
new file mode 100644
index 0000000..2cf2f87
--- /dev/null
+++ b/src/main/java/com/ankurm/sdjpa4demo/repo/BookRepository.java
@@ -0,0 +1,16 @@
+package com.ankurm.sdjpa4demo.repo;
+
+import com.ankurm.sdjpa4demo.domain.Book;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.math.BigDecimal;
+import java.util.List;
+
+public interface BookRepository extends JpaRepository<Book, Long> {
+
+    List<Book> findByPriceGreaterThanEqual(BigDecimal price);
+
+    // Single-result derived query that can match MORE than one row on bad data:
+    // demonstrates IncorrectResultSizeDataAccessException (the "non-unique" edge case).
+    Book findByPrice(BigDecimal price);
+}