質問編集履歴
1
ソースコードの追加
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File without changes
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body
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@@ -16,7 +16,91 @@
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Pageable pageable = new PageRequest(0, 3, Sort.unsorted());
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Page<Customer> page = customerRepository.findAllByName(pageable);
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```
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###pom.xml
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```
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.2.4.RELEASE</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<groupId>com.example</groupId>
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<artifactId>hajiboot-jpa</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>hajiboot-jpa</name>
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<description>Demo project for Spring Boot</description>
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<properties>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-jpa</artifactId>
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</dependency>
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<dependency>
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<groupId>com.h2database</groupId>
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<artifactId>h2</artifactId>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<optional>true</optional>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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<exclusions>
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<exclusion>
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<groupId>org.junit.vintage</groupId>
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<artifactId>junit-vintage-engine</artifactId>
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</exclusion>
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</exclusions>
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</dependency>
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<dependency>
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<groupId>org.lazyluke</groupId>
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<artifactId>log4jdbc-remix</artifactId>
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<version>0.2.7</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>
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```
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###CustomerRepository.java
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```java
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package com.example.hajibootjpa.repository;
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import com.example.hajibootjpa.domain.Customer;
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import org.springframework.data.domain.Page;
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import org.springframework.data.domain.Pageable;
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import org.springframework.data.jpa.repository.JpaRepository;
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import org.springframework.data.jpa.repository.Query;
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import java.util.List;
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public interface CustomerRepository extends JpaRepository<Customer, Integer> {
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@Query("SELECT x FROM Customer x ORDER BY x.firstName, x.lastName")
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Page<Customer> findAllByName(Pageable pageable);
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}
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```
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### 試したこと
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21
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ネットで調べて"PageRequest.of()"を使おうとしたのですが、これまたエラーとなりました。
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```
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