PostgreSQL ошибка при развертывании приложения jhipster на Heroku - PullRequest
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PostgreSQL ошибка при развертывании приложения jhipster на Heroku

2 голосов
/ 01 апреля 2020

Я пишу простое приложение для блога с использованием React / Spring (созданное jHipster), и я хотел развернуть его на Heroku (В качестве базы данных я использую PostgreSQL). На моем локальном компьютере все работает нормально, используя H2, но когда я разверну приложение на Heroku (используя jhipster heroku), и когда я попытаюсь открыть приложение, я не вижу сообщений и у меня возникают следующие ошибки в logs: 

2020-04-01T12:48:44.491383+00:00 heroku[router]: at=info method=GET path="/api/posts?cacheBuster=1585745324414" host=notrealhostnamehere.herokuapp.com request_id=97cbe756-fca1-44b7-a9a6-b53a56ec43a1 fwd="109.196.225.112" dyno=web.1 connect=1ms service=92ms status=500 bytes=1150 protocol=https
2020-04-01T12:48:44.499072+00:00 app[web.1]:    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
2020-04-01T12:48:44.499074+00:00 app[web.1]:    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
2020-04-01T12:48:44.499074+00:00 app[web.1]:    at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:114)
2020-04-01T12:48:44.499075+00:00 app[web.1]:    at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:104)
2020-04-01T12:48:44.499075+00:00 app[web.1]:    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)
2020-04-01T12:48:44.499075+00:00 app[web.1]:    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
2020-04-01T12:48:44.499075+00:00 app[web.1]:    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
2020-04-01T12:48:44.499076+00:00 app[web.1]:    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)
2020-04-01T12:48:44.499076+00:00 app[web.1]:    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:118)
2020-04-01T12:48:44.499076+00:00 app[web.1]:    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
2020-04-01T12:48:44.499077+00:00 app[web.1]:    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
2020-04-01T12:48:44.499077+00:00 app[web.1]:    at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
2020-04-01T12:48:44.499077+00:00 app[web.1]:    at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
2020-04-01T12:48:44.499077+00:00 app[web.1]:    at io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:68)
2020-04-01T12:48:44.499078+00:00 app[web.1]:    at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
2020-04-01T12:48:44.499081+00:00 app[web.1]:    at io.undertow.servlet.handlers.RedirectDirHandler.handleRequest(RedirectDirHandler.java:68)
2020-04-01T12:48:44.499082+00:00 app[web.1]:    at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:132)
2020-04-01T12:48:44.499089+00:00 app[web.1]:    at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
2020-04-01T12:48:44.499089+00:00 app[web.1]:    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
2020-04-01T12:48:44.499089+00:00 app[web.1]:    at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
2020-04-01T12:48:44.499090+00:00 app[web.1]:    at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
2020-04-01T12:48:44.499090+00:00 app[web.1]:    at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
2020-04-01T12:48:44.499090+00:00 app[web.1]:    at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
2020-04-01T12:48:44.499091+00:00 app[web.1]:    at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
2020-04-01T12:48:44.499091+00:00 app[web.1]:    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
2020-04-01T12:48:44.499091+00:00 app[web.1]:    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
2020-04-01T12:48:44.499091+00:00 app[web.1]:    at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:269)
2020-04-01T12:48:44.499092+00:00 app[web.1]:    at io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:78)
2020-04-01T12:48:44.499092+00:00 app[web.1]:    at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:133)
2020-04-01T12:48:44.499092+00:00 app[web.1]:    at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:130)
2020-04-01T12:48:44.499092+00:00 app[web.1]:    at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
2020-04-01T12:48:44.499093+00:00 app[web.1]:    at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
2020-04-01T12:48:44.499093+00:00 app[web.1]:    at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:249)
2020-04-01T12:48:44.499093+00:00 app[web.1]:    at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:78)
2020-04-01T12:48:44.499093+00:00 app[web.1]:    at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:99)
2020-04-01T12:48:44.499094+00:00 app[web.1]:    at io.undertow.server.Connectors.executeRootHandler(Connectors.java:376)
2020-04-01T12:48:44.499094+00:00 app[web.1]:    at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830)
2020-04-01T12:48:44.499094+00:00 app[web.1]:    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
2020-04-01T12:48:44.499094+00:00 app[web.1]:    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
2020-04-01T12:48:44.499095+00:00 app[web.1]:    at java.lang.Thread.run(Thread.java:748)
2020-04-01T12:48:44.499095+00:00 app[web.1]: Caused by: org.hibernate.exception.SQLGrammarException: could not extract ResultSet
2020-04-01T12:48:44.499095+00:00 app[web.1]:    at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:106)
2020-04-01T12:48:44.499096+00:00 app[web.1]:    at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42)
2020-04-01T12:48:44.499096+00:00 app[web.1]:    at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:113)
2020-04-01T12:48:44.499096+00:00 app[web.1]:    at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:99)
2020-04-01T12:48:44.499096+00:00 app[web.1]:    at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:69)
2020-04-01T12:48:44.499097+00:00 app[web.1]:    at org.hibernate.loader.Loader.getResultSet(Loader.java:2265)
2020-04-01T12:48:44.499098+00:00 app[web.1]:    at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:2028)
2020-04-01T12:48:44.499099+00:00 app[web.1]:    at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1990)
2020-04-01T12:48:44.499099+00:00 app[web.1]:    at org.hibernate.loader.Loader.doQuery(Loader.java:949)
2020-04-01T12:48:44.499099+00:00 app[web.1]:    at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:351)
2020-04-01T12:48:44.499099+00:00 app[web.1]:    at org.hibernate.loader.Loader.doList(Loader.java:2787)
2020-04-01T12:48:44.499100+00:00 app[web.1]:    at org.hibernate.loader.Loader.doList(Loader.java:2770)
2020-04-01T12:48:44.499100+00:00 app[web.1]:    at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2604)
2020-04-01T12:48:44.499100+00:00 app[web.1]:    at org.hibernate.loader.Loader.list(Loader.java:2599)
2020-04-01T12:48:44.499101+00:00 app[web.1]:    at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:505)
2020-04-01T12:48:44.499101+00:00 app[web.1]:    at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:395)
2020-04-01T12:48:44.499102+00:00 app[web.1]:    at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:220)
2020-04-01T12:48:44.499102+00:00 app[web.1]:    at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1537)
2020-04-01T12:48:44.499102+00:00 app[web.1]:    at org.hibernate.query.internal.AbstractProducedQuery.doList(AbstractProducedQuery.java:1538)
2020-04-01T12:48:44.499102+00:00 app[web.1]:    at org.hibernate.query.internal.AbstractProducedQuery.list(AbstractProducedQuery.java:1506)
2020-04-01T12:48:44.499111+00:00 app[web.1]:    at org.hibernate.query.Query.getResultList(Query.java:132)
2020-04-01T12:48:44.499115+00:00 app[web.1]:    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2020-04-01T12:48:44.499116+00:00 app[web.1]:    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
2020-04-01T12:48:44.499116+00:00 app[web.1]:    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
2020-04-01T12:48:44.499116+00:00 app[web.1]:    at java.lang.reflect.Method.invoke(Method.java:498)
2020-04-01T12:48:44.499117+00:00 app[web.1]:    at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:403)
2020-04-01T12:48:44.499117+00:00 app[web.1]:    at com.sun.proxy.$Proxy212.getResultList(Unknown Source)
2020-04-01T12:48:44.499118+00:00 app[web.1]:    at org.springframework.data.jpa.repository.query.JpaQueryExecution$PagedExecution.doExecute(JpaQueryExecution.java:201)
2020-04-01T12:48:44.499118+00:00 app[web.1]:    at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:91)
2020-04-01T12:48:44.499118+00:00 app[web.1]:    at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:136)
2020-04-01T12:48:44.499119+00:00 app[web.1]:    at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:125)
2020-04-01T12:48:44.499119+00:00 app[web.1]:    at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:605)
2020-04-01T12:48:44.499120+00:00 app[web.1]:    at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.lambda$invoke$3(RepositoryFactorySupport.java:595)
2020-04-01T12:48:44.499120+00:00 app[web.1]:    at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:595)
2020-04-01T12:48:44.499120+00:00 app[web.1]:    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
2020-04-01T12:48:44.499121+00:00 app[web.1]:    at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:59)
2020-04-01T12:48:44.499121+00:00 app[web.1]:    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
2020-04-01T12:48:44.499121+00:00 app[web.1]:    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:295)
2020-04-01T12:48:44.499122+00:00 app[web.1]:    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98)
2020-04-01T12:48:44.499122+00:00 app[web.1]:    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
2020-04-01T12:48:44.499122+00:00 app[web.1]:    at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:139)
2020-04-01T12:48:44.499123+00:00 app[web.1]:    ... 130 common frames omitted
2020-04-01T12:48:44.499124+00:00 app[web.1]: Caused by: org.postgresql.util.PSQLException: ERROR: syntax error at or near "select"
2020-04-01T12:48:44.499124+00:00 app[web.1]:   Position: 228
2020-04-01T12:48:44.499124+00:00 app[web.1]:    at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2468)
2020-04-01T12:48:44.499124+00:00 app[web.1]:    at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2211)
2020-04-01T12:48:44.499125+00:00 app[web.1]:    at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:309)
2020-04-01T12:48:44.499125+00:00 app[web.1]:    at org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:446)
2020-04-01T12:48:44.499126+00:00 app[web.1]:    at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:370)
2020-04-01T12:48:44.499126+00:00 app[web.1]:    at org.postgresql.jdbc.PgPreparedStatement.executeWithFlags(PgPreparedStatement.java:149)
2020-04-01T12:48:44.499126+00:00 app[web.1]:    at org.postgresql.jdbc.PgPreparedStatement.executeQuery(PgPreparedStatement.java:108)
2020-04-01T12:48:44.499126+00:00 app[web.1]:    at com.zaxxer.hikari.pool.ProxyPreparedStatement.executeQuery(ProxyPreparedStatement.java:52)
2020-04-01T12:48:44.499127+00:00 app[web.1]:    at com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeQuery(HikariProxyPreparedStatement.java)
2020-04-01T12:48:44.499127+00:00 app[web.1]:    at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:60)
2020-04-01T12:48:44.499127+00:00 app[web.1]:    ... 166 common frames omitted
2020-04-01T12:48:44.499127+00:00 app[web.1]:

Вот мой код репозитория: 

@Repository
public interface PostRepository extends JpaRepository<Post, Long> {

    @Query("select post from Post post where post.user.login = ?#{principal.username}")
    List<Post> findByUserIsCurrentUser();

    @Query(value = "select distinct post from Post post left join fetch post.tags",
        countQuery = "select count(distinct post) from Post post")
    Page<Post> findAllWithEagerRelationships(Pageable pageable);

    @Query("select distinct post from Post post left join fetch post.tags order by post.date desc")
    List<Post> findAllWithEagerRelationships();

    @Query("select post from Post post left join fetch post.tags where post.id =:id")
    Optional<Post> findOneWithEagerRelationships(@Param("id") Long id);

    @Query("select distinct post from Post post left join post.tags where post.date >:oldestDate order by post.visitCount desc")
    Page<Post> findAllTopHotness(Pageable pageable,@Param("oldestDate") LocalDate oldestDate);
}

И код PostResource: 

@RestController
@RequestMapping("/api")
public class PostResource {

    private final Logger log = LoggerFactory.getLogger(PostResource.class);

    private static final String ENTITY_NAME = "post";

    @Value("${jhipster.clientApp.name}")
    private String applicationName;

    private final PostRepository postRepository;

    private final PostMapper postMapper;

    private final PostService postService;

    public PostResource(PostRepository postRepository, PostMapper postMapper, PostService postService) {
        this.postRepository = postRepository;
        this.postMapper = postMapper;
        this.postService = postService;
    }

    @PostMapping("/posts")
    @PreAuthorize("hasRole(\"" + AuthoritiesConstants.ADMIN + "\")")
    public ResponseEntity<PostDTO> createPost(@Valid @RequestBody PostDTO postDTO) throws URISyntaxException {
        log.debug("REST request to save Post : {}", postDTO);
        if (postDTO.getId() != null) {
            throw new BadRequestAlertException("A new post cannot already have an ID", ENTITY_NAME, "idexists");
        }
        Post post = postMapper.toEntity(postDTO);
        post = postRepository.save(post);
        PostDTO result = postMapper.toDto(post);
        return ResponseEntity.created(new URI("/api/posts/" + result.getId()))
            .headers(HeaderUtil.createEntityCreationAlert(applicationName, true, ENTITY_NAME, result.getId().toString()))
            .body(result);
    }

    @PutMapping("/posts")
    @PreAuthorize("hasRole(\"" + AuthoritiesConstants.ADMIN + "\")")
    public ResponseEntity<PostDTO> updatePost(@Valid @RequestBody PostDTO postDTO) throws URISyntaxException {
        log.debug("REST request to update Post : {}", postDTO);
        if (postDTO.getId() == null) {
            throw new BadRequestAlertException("Invalid id", ENTITY_NAME, "idnull");
        }
        Post post = postMapper.toEntity(postDTO);
        post = postRepository.save(post);
        PostDTO result = postMapper.toDto(post);
        return ResponseEntity.ok()
            .headers(HeaderUtil.createEntityUpdateAlert(applicationName, true, ENTITY_NAME, postDTO.getId().toString()))
            .body(result);
    }

    @GetMapping("/posts")
    public List<PostDTO> getAllPosts() {
        log.debug("REST request to get all Posts");
        return postRepository.findAllWithEagerRelationships().stream().map(postMapper::toDto).collect(Collectors.toList());
    }

    @GetMapping("/posts/hot")
    public List<Post> getHotnessPosts() {
    // public List<PostDTO> getHotnessPosts() {
        log.debug("REST request to get all Posts");
        return postRepository.findAllTopHotness(PageRequest.of(0, 5), LocalDate.now().minusDays((long)7)).stream().collect(Collectors.toList());
    }

    @GetMapping("/posts/{id}")
    public ResponseEntity<PostDTO> getPost(@PathVariable Long id, HttpServletRequest request) {
        return ResponseUtil.wrapOrNotFound(postService.getPost(id, request.getRemoteAddr()));
    }

    @DeleteMapping("/posts/{id}")
    @PreAuthorize("hasRole(\"" + AuthoritiesConstants.ADMIN + "\")")
    public ResponseEntity<Void> deletePost(@PathVariable Long id) {
        log.debug("REST request to delete Post : {}", id);
        postRepository.deleteById(id);
        return ResponseEntity.noContent().headers(HeaderUtil.createEntityDeletionAlert(applicationName, true, ENTITY_NAME, id.toString())).build();
    }
}

Может кто-нибудь помочь мне, пожалуйста? :)

Редактировать, SQL оператор: 

select distinct post0_.id as id1_7_0_, tag2_.id as id1_10_1_, post0_.content as content2_7_0_, post0_.date as date3_7_0_, post0_.picture as picture4_7_0_, post0_.picture_content_type as picture_5_7_0_, post0_.title as title6_7_0_, post0_.user_id as user_id7_7_0_, select count() FROM COMMENT c WHERE c.POST_ID = post0_.id as formula0_0_, select count() FROM POST_VISIT p WHERE p.POST_ID = post0_.id as formula1_0_, tag2_.name as name2_10_1_, tags1_.post_id as post_id1_8_0__, tags1_.tag_id as tag_id2_8_0__ from post post0_ left outer join post_tag tags1_ on post0_.id=tags1_.post_id left outer join tag tag2_ on tags1_.tag_id=tag2_.id order by post0_.date desc

Ответы [ 2 ]

0 голосов
/ 02 апреля 2020

Когда вы определяете вычисляемые поля с помощью @Formula в своих сущностях, очень важно заключить их в скобки, если вы используете подзапрос. Документацию по аннотации @Formula Hibernate можно найти здесь и справку API здесь .

Например, у вас должно быть что-то вроде этого: 

@Entity
@Table(name = "post")
public class Post implements Serializable {
...
    @Formula("select count() from comment c where c.post_id = id")
    private Integer totalComments;
...

Но это не сработает, вы должны указать это следующим образом: 

    @Formula("(select count() from comment c where c.post_id = id)")
    private Integer totalComments;

Обратите внимание на дополнительные скобки ( и ) в определении формулы.

0 голосов
/ 02 апреля 2020

Вам необходимо поставить скобки для SELECT count() ... в предложении SELECT: 

SELECT DISTINCT 
post0_.id AS id1_7_0_,
tag2_.id AS id1_10_1_,
post0_.content AS content2_7_0_,
post0_.date AS date3_7_0_,
post0_.picture AS picture4_7_0_,
post0_.picture_content_type AS picture_5_7_0_,
post0_.title AS title6_7_0_,
post0_.user_id AS user_id7_7_0_,
      (SELECT count()
       FROM COMMENT c
       WHERE c.POST_ID = post0_.id AS formula0_0_),
      (SELECT count()
       FROM POST_VISIT p
       WHERE p.POST_ID = post0_.id AS formula1_0_), 
tag2_.name AS name2_10_1_,
tags1_.post_id AS post_id1_8_0__,
tags1_.tag_id AS tag_id2_8_0__
FROM post post0_
LEFT OUTER JOIN post_tag tags1_ ON post0_.id=tags1_.post_id
LEFT OUTER JOIN tag tag2_ ON tags1_.tag_id=tag2_.id
ORDER BY post0_.date DESC
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