[英]SQL Delete all rows in a table based on another table and another column value
表格1:
| ID | POST STATUS |
| 12807 | wc-refunded |
| 13075 | wc-refunded |
表2:
| ORDER ID | ------- |
| 12807 | ------- |
| 13075 | ------- |
让我更好地解释一下,如果 post_status = wc-refunded,我想根据表 1 的所有 ID 删除表 2 中的所有 ORDER ID
MYSQL 版本:5.7
编辑:用@Tim Biegeleisen 的第一个解决方案修复(谢谢! )
DELETE
FROM wp_woocommerce_downloadable_product_permissions
WHERE EXISTS (SELECT 1 FROM wp_posts
WHERE wp_posts.ID = wp_woocommerce_downloadable_product_permissions.order_id AND wp_posts.post_status = 'wc-refunded');
您可以使用存在逻辑:
DELETE
FROM table2 t2
WHERE EXISTS (SELECT 1 FROM table1 t1
WHERE t1.ID = t2.ORDERID AND t1.poststatus = 'wc-refunded');
我们也可以尝试使用删除连接逻辑:
DELETE t2
FROM table2 t2
INNER JOIN table1 t1
ON t1.ID = t2.ORDERID
WHERE t1.poststatus = 'wc-refunded';
试试这个:
DELETE FROM table2
WHERE OrderID IN (
SELECT DISTINCT ID
FROM table1
WHERE PostStatus = 'wc-refunded'
)
它有点资源密集型,但应该可以工作......
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