對於一些原因,執行下面的查詢時,我收到以下錯誤表:聯合表格JOIN不工作
你在你的SQL語法錯誤;檢查 對應於你的MySQL服務器版本正確的語法使用 附近的「發動機= FEDERATED」在行手冊35
CREATE TABLE users AS (
SELECT
ID, user_email, user_registered,
first_name.meta_value as first_name,
last_name.meta_value as last_name,
telephone.meta_value as telephone,
country.meta_value as country,
company.meta_value as company,
address.meta_value as address,
city.meta_value as city,
professional_title.meta_value as professional_title,
state.meta_value as state,
areas_of_interest.meta_value as areas_of_interest
FROM wp_users
LEFT JOIN wp_usermeta AS first_name ON first_name.user_id=ID
AND first_name.meta_key='first_name'
LEFT JOIN wp_usermeta AS last_name ON last_name.user_id=ID
AND last_name.meta_key='last_name'
LEFT JOIN wp_usermeta AS telephone ON telephone.user_id=ID
AND telephone.meta_key='telephone'
LEFT JOIN wp_usermeta AS country ON country.user_id=ID
AND country.meta_key='country'
LEFT JOIN wp_usermeta AS company ON company.user_id=ID
AND company.meta_key='company'
LEFT JOIN wp_usermeta AS address ON address.user_id=ID
AND address.meta_key='address'
LEFT JOIN wp_usermeta AS city ON city.user_id=ID
AND city.meta_key='city'
LEFT JOIN wp_usermeta AS professional_title ON professional_title.user_id=ID
AND professional_title.meta_key='professional_title'
LEFT JOIN wp_usermeta AS state ON state.user_id=ID
AND state.meta_key='state'
LEFT JOIN wp_usermeta AS areas_of_interest ON areas_of_interest.user_id=ID
AND areas_of_interest.meta_key='areas_of_interest'
) ENGINE=FEDERATED DEFAULT CHARSET=latin1 CONNECTION "*****";
注:聯邦引擎是和其他非連接表工作。
我忘了在我的問題中包含連接字符串,但我已經使用它並嘗試使用原始查詢。仍然是相同的錯誤.. – mediaroot 2014-11-14 14:33:01
FEDERATED存儲引擎工作在一對一的匹配。存在於遠程mysql服務器上的表結構必須忠實地複製到本地mysql服務器上,唯一不同的是存儲引擎部分。 – 2014-11-14 15:42:27
假設我有一個名爲meta_value的表,它存在於服務器A上,我希望能夠在服務器B上查詢它。我首先在服務器A上發出以下命令:SHOW CREATE TABLE meta_value;我會將所得到的create語句(引擎部分除外)粘貼到Server B中,然後在底部添加FEDERATED信息。 – 2014-11-14 15:46:07