Question

我必须将其他两个表中的两个条件添加到此查询中，但我不知道该怎么做。

SELECT SQL_CALC_FOUND_ROWS * FROM wp_posts  WHERE 1=1  AND ( (
                SELECT COUNT(1)
                FROM wp_term_relationships
                WHERE term_taxonomy_id IN (2,3)
                AND object_id = wp_posts.ID
                ) = 2 ) AND wp_posts.post_type = 'packages' AND (wp_posts.post_status = 'publish' OR wp_posts.post_status = 'private') GROUP BY wp_posts.ID ORDER BY wp_posts.post_date DESC LIMIT 0, 10

其他表：

表1（name：packages_dates）有三个字段：   POST_ID，date_from（日期），DATE_TO（日期）

表2（name：packages_price）有两个字段：post_id，price（numeric）

条件是：

我有一个日期输入，必须在

中的date_from和date_to之间

表1

第二个输入是必须包含价格的价格范围

表2

感谢

Answer 1

如果您的数据库允许内部联接，那么在我看来这应该可行：

SELECT SQL_CALC_FOUND_ROWS * FROM wp_posts inner join packages_dates on wp_posts.ID=packages_dates.post_id inner join packages_price on wp_posts.ID=packages_price.post_id WHERE 1=1  AND ( (
            SELECT COUNT(1)
            FROM wp_term_relationships
            WHERE term_taxonomy_id IN (2,3)
            AND object_id = wp_posts.ID
            ) = 2 ) AND wp_posts.post_type = 'packages' AND (wp_posts.post_status = 'publish' OR wp_posts.post_status = 'private') AND packages_dates.date_from >=DateInput and packages_dates.date_to<=DateInput and packages_price between InputLowRange and InputHighRange GROUP BY wp_posts.ID ORDER BY wp_posts.post_date DESC LIMIT 0, 10

复杂的SQL查询辅助wordpress

1 个答案: