2013-10-25 91 views
0

我有两个表。使用查询在mysql中删除行

这里是

CREATE TABLE IF NOT EXISTS `CATALOG_CATEGORY_PRODUCT` 
    ( 
    `CATEGORY_ID` INT(10) UNSIGNED NOT NULL DEFAULT '0' COMMENT 'Category ID', 
    `PRODUCT_ID` INT(10) UNSIGNED NOT NULL DEFAULT '0' COMMENT 'Product ID', 
    `POSITION` INT(11) NOT NULL DEFAULT '0' COMMENT 'Position', 
    PRIMARY KEY (`CATEGORY_ID`, `PRODUCT_ID`), 
    KEY `IDX_CATALOG_CATEGORY_PRODUCT_PRODUCT_ID` (`PRODUCT_ID`) 
) 
ENGINE=INNODB 
DEFAULT CHARSET=UTF8 
COMMENT='Catalog Product To Category Linkage Table'; 

CREATE TABLE IF NOT EXISTS `CATALOG_PRODUCT_ENTITY_TIER_PRICE` 
    ( 
    `VALUE_ID`   INT(11) NOT NULL AUTO_INCREMENT COMMENT 'Value ID', 
    `ENTITY_ID`   INT(10) UNSIGNED NOT NULL DEFAULT '0' COMMENT 
    'Entity ID', 
    `ALL_GROUPS`  SMALLINT(5) UNSIGNED NOT NULL DEFAULT '1' COMMENT 
    'Is Applicable To All Customer Groups', 
    `CUSTOMER_GROUP_ID` SMALLINT(5) UNSIGNED NOT NULL DEFAULT '0' COMMENT 
    'Customer Group ID', 
    `QTY`    DECIMAL(12, 4) NOT NULL DEFAULT '1.0000' COMMENT 'QTY', 
    `VALUE`    DECIMAL(12, 4) NOT NULL DEFAULT '0.0000' COMMENT 
    'Value', 
    `WEBSITE_ID`  SMALLINT(5) UNSIGNED NOT NULL COMMENT 'Website ID', 
    PRIMARY KEY (`VALUE_ID`) 
) 
ENGINE=INNODB 
DEFAULT CHARSET=UTF8 
COMMENT='Catalog Product Tier Price Attribute Backend Table'; 

我用这下面的查询

SELECT * FROM `catalog_product_entity_tier_price` LEFT OUTER JOIN catalog_category_product ON catalog_product_entity_tier_price.entity_id = catalog_category_product.product_id WHERE catalog_category_product.category_id = 57 AND catalog_product_entity_tier_price.qty = 500.0000 

它返回97行结构。我想删除这97行。

所以我用这个查询。

DELETE FROM `catalog_product_entity_tier_price` LEFT OUTER JOIN catalog_category_product WHERE catalog_product_entity_tier_price.entity_id = catalog_category_product.product_id AND catalog_category_product.category_id = 57 AND catalog_product_entity_tier_price.qty = 500.0000 

但我得到这个错误。

#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'LEFT OUTER JOIN catalog_category_product WHERE catalog_product_entity_tier_price' at line 1 

有人能告诉我正确的语法吗?

谢谢

回答

1

试试这个::

DELETE cpet 
FROM `catalog_product_entity_tier_price` cpet 
LEFT OUTER JOIN catalog_category_product ccp 
ON 
cpet.entity_id = ccp.product_id 
AND ccp.category_id = 57 
WHERE cpet.qty = 500.0000 
+0

谢谢您的回答。我只想从'catalog_product_entity_tier_price'表中删除行。你确定它只从该表中删除行吗? – Giri

+0

@Giri:是的,所以我在'delete' –

+0

之后提到过我试过你的代码。这是我得到的错误。 '#1064 - 你的SQL语法有错误;检查对应于您的MySQL服务器版本的手册,以便在'WHERE cpet.entity_id = ccp.product_id AND ccp.category_id = 57 AND cpet.qt'在第4行使用正确的语法' – Giri