Added named query.

Changed EmployeeRepository.
Fixed enhanced test controller.
Updated Spring Version.

SpringDataJPAIntegration/build.gradle

@@ -10,23 +10,20 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath("org.springframework.boot:spring-boot-gradle-plugin:1.3.3.RELEASE")
+        classpath("org.springframework.boot:spring-boot-gradle-plugin:1.4.2.RELEASE")
     }
 }
 
 apply plugin: 'idea'
-apply plugin: 'spring-boot'
+apply plugin: 'org.springframework.boot'
 
 repositories {
     mavenCentral()
 }
 
 dependencies {
-    compile("org.springframework.boot:spring-boot-starter-web") {
-        exclude module: "spring-boot-starter-tomcat"
-    }
+    compile("org.springframework.boot:spring-boot-starter-web")
     compile("org.postgresql:postgresql:9.4-1206-jdbc42")
-    compile("org.springframework.boot:spring-boot-starter-jetty")
     compile("org.springframework.boot:spring-boot-starter-data-jpa:1.3.3.RELEASE")
     compile("com.mchange:c3p0:0.9.5.2")
     testCompile("junit:junit:4.11");

SpringDataJPAIntegration/src/main/java/com/gkatzioura/springdata/jpa/controller/TestController.java

@@ -1,13 +1,13 @@
 package com.gkatzioura.springdata.jpa.controller;
 
-        import com.gkatzioura.springdata.jpa.persistence.entity.Employee;
-        import com.gkatzioura.springdata.jpa.persistence.repository.EmployeeRepository;
-        import org.springframework.beans.factory.annotation.Autowired;
-        import org.springframework.web.bind.annotation.RequestMapping;
-        import org.springframework.web.bind.annotation.RequestParam;
-        import org.springframework.web.bind.annotation.RestController;
+import com.gkatzioura.springdata.jpa.persistence.entity.Employee;
+import com.gkatzioura.springdata.jpa.persistence.repository.EmployeeRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
 
-        import java.util.List;
+import java.util.List;
 
 /**
  * Created by gkatzioura on 6/2/16.
@@ -30,4 +30,9 @@ public List<Employee> getFiltered(String firstName,@RequestParam(defaultValue =
         return employeeRepository.getFirstNamesLikeAndBonusBigger(firstName,bonusAmount);
     }
 
+    @RequestMapping("/employee/lastnameLength")
+    public List<Employee> fetchByLength(Long length) {
+        return employeeRepository.fetchByLastNameLength(length);
+    }
+
 }

SpringDataJPAIntegration/src/main/java/com/gkatzioura/springdata/jpa/persistence/entity/Employee.java

@@ -7,6 +7,9 @@
  */
 @Entity
 @Table(name = "employee", schema="spring_data_jpa_example")
+@NamedQuery(name = "Employee.fetchByLastNameLength",
+        query = "SELECT e FROM Employee e WHERE CHAR_LENGTH(e.lastname) =:length "
+)
 public class Employee {
 
     @Id

SpringDataJPAIntegration/src/main/java/com/gkatzioura/springdata/jpa/persistence/repository/EmployeeRepository.java

@@ -2,11 +2,16 @@
 
 import com.gkatzioura.springdata.jpa.persistence.entity.Employee;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
+import java.util.List;
+
 /**
  * Created by gkatzioura on 6/2/16.
  */
 @Repository
 public interface EmployeeRepository extends JpaRepository<Employee,Long>, EmployeeRepositoryCustom {
+
+    List<Employee> fetchByLastNameLength(@Param("length") Long length);
 }