[英]Spring Data JPA - The statement did not return a result set
在我的應用程序中,我有一個在父/子關系中與自身相關的模型。 帖子可以有也是帖子的父母。 我寫了一個查詢來刪除目標帖子及其后代。 當我在 Spring 之外執行查詢時,它運行良好。 但是在 Spring 中運行時,查詢執行成功但拋出以下異常:
WARN SqlExceptionHelper:144 - SQL Error: 0, SQLState: null
ERROR SqlExceptionHelper:146 - The statement did not return a result set.
ERROR [dispatcherServlet]:182 - Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.orm.jpa.JpaSystemException: could not extract ResultSet; nested exception is org.hibernate.exception.GenericJDBCException: could not extract ResultSet] with root cause
com.microsoft.sqlserver.jdbc.SQLServerException: The statement did not return a result set.
我的查詢從擴展 JpaRepository 的接口運行
@Query(value = "WITH ParentTree AS (\n" +
" SELECT Parent.post_key,\n" +
" 1 AS Level\n" +
" FROM community_post AS Parent\n" +
" WHERE Parent.post_key = ?1\n" +
" UNION ALL\n" +
" SELECT Child.post_key,\n" +
" pt.Level + 1\n" +
" FROM community_post AS Child\n" +
" INNER JOIN ParentTree AS pt\n" +
" ON Child.post_parent = pt.post_key\n" +
" WHERE Child.post_parent IS NOT NULL\n" +
")\n" +
"DELETE FROM community_post\n" +
" WHERE post_key IN (\n" +
" SELECT post_key\n" +
" FROM ParentTree\n" +
" )", nativeQuery = true)
void recursiveDelete(long targetKey);
如果@Query缺少@Modifying注釋,請添加它。
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