android 執行sql的長度限制

來源:互聯網
上載者:User

今天做項目的時候遇到這樣一個問題:
項目中執行sql語句,報錯,說是沒有M.id這個列。
sql語句:

select distinct M.[id],M.[book_id],M.[mark_title],M.[mark_content],M.[type],M.[chapter_id],M.[chapter_filename],M.[filename],M.[create_time],M.[param1],M.[param2],M.[numchapter],M.[flag],M.[extra],N.[numchapter]from(select A.[id],A.[book_id],A.[mark_title],A.[mark_content],A.[type],A.[chapter_id],A.[chapter_filename],A.[filename],A.[create_time],B.[param1],B.[param2],A.[numchapter],A.[flag],A.[extra]from book_new_mark A left join book_mark_rowindex Bon (A.[book_id] = B.[book_id] or A.[filename] = B.[book_id]) and A.[type] = B.[type]and (A.[extra] = B.[account] or ((A.[extra] is null or A.[extra] = '')and(B.[account] is null or B.[account] = ''))) order by A.[create_time],A.[id] asc) M left join book_case N               on M.[book_id] = N.[bookid]

但是我在SQLite工具上測試sql可用,而且應用上也有類似的語句成功運行。

我折騰了半天,最後改成這樣:

select distinct M.id,M.book_id,M.mark_title,M.mark_content,M.type,M.chapter_id,M.chapter_filename,M.filename,M.create_time,M.param1,M.param2, M.numchapter,M.flag,M.extra,N.numchapter  from(select *from book_new_mark A left join book_mark_rowindex Bon (A.book_id = B.book_id or A.filename = B.book_id)and A.type = B.type and (A.extra = B.account or ((A.extra is null or A.extra = '')and(B.account is null or B.account = ''))) order by A.create_time,A.id asc) M left join book_case Non M.book_id = N.bookid

這樣就可以了,我懷疑是因為長度問題,但是搜了一下沒有說明,執行sql方法的API也沒有說明。求大拿說明?

相關文章

聯繫我們

該頁面正文內容均來源於網絡整理,並不代表阿里雲官方的觀點,該頁面所提到的產品和服務也與阿里云無關,如果該頁面內容對您造成了困擾,歡迎寫郵件給我們,收到郵件我們將在5個工作日內處理。

如果您發現本社區中有涉嫌抄襲的內容,歡迎發送郵件至: info-contact@alibabacloud.com 進行舉報並提供相關證據,工作人員會在 5 個工作天內聯絡您,一經查實,本站將立刻刪除涉嫌侵權內容。

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.