[BAEL-5438] Added Criteria Queries & Hibernate Queries (#12127)

* [BAEL-5438] Added Criteria Queries for Employee

* [BAEL-5438] Added tests and entities for named queries and criteria queries

* [BAEL-5438] Removed unused sorting files

* [BAEL-5438] Ignored spring context test

Co-authored-by: Mayank Agarwal <mayankaggarwal@zeta.tech>

persistence-modules/spring-data-jpa-query-3/src/main/java/com/baeldung/spring/data/jpa/entity/Employee.java

@@ -0,0 +1,18 @@
+package com.baeldung.spring.data.jpa.entity;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class Employee {
+
+  @Id
+  @GeneratedValue
+  private Integer id;
+
+  private String name;
+
+  private Long salary;
+
+}

persistence-modules/spring-data-jpa-query-3/src/main/java/com/baeldung/spring/data/jpa/repository/EmployeeRepository.java

@@ -0,0 +1,37 @@
+package com.baeldung.spring.data.jpa.repository;
+
+import com.baeldung.spring.data.jpa.entity.Employee;
+import java.util.List;
+import net.bytebuddy.TypeCache.Sort;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+
+public interface EmployeeRepository extends JpaRepository<Employee, Integer> {
+
+  @Query(value = "SELECT e FROM Employee e")
+  List<Employee> findAllEmployees(Sort sort);
+
+  @Query("SELECT e FROM Employee e WHERE e.salary = ?1")
+  Employee findAllEmployeesWithSalary(Long salary);
+
+  @Query("SELECT e FROM Employee e WHERE e.name = ?1 and e.salary = ?2")
+  Employee findUserByNameAndSalary(String name, Long salary);
+
+  @Query(
+    value = "SELECT * FROM Employee e WHERE e.salary = ?1",
+    nativeQuery = true)
+  Employee findUserBySalaryNative(Long salary);
+
+  @Query("SELECT e FROM Employee e WHERE e.name = :name and e.salary = :salary")
+  Employee findUserByEmployeeNameAndSalaryNamedParameters(
+    @Param("name") String employeeName,
+    @Param("salary") Long employeeSalary);
+
+  @Query(value = "SELECT * FROM Employee e WHERE e.name = :name and e.salary = :salary",
+    nativeQuery = true)
+  Employee findUserByNameAndSalaryNamedParamsNative(
+    @Param("name") String employeeName,
+    @Param("salary") Long employeeSalary);
+
+}