关系:
Shop.hasMany(ShopAd, {foreignKey : 'shop_id', as : 'ads'});
ShopAd.belongsTo(Shop, {foreignKey : 'id'})
我用:
Shop.findAll({where:{id:shopId}, include:[{model:ShopAd, as:'ads', where:{is_valid:1, is_vertify:1}}]}).success(function(result) {
callback(result);
});
但是sql是:
SELECT `Shop`.`id`, `Shop`.`user_id`, `Shop`.`short_name`, `Shop`.`description`, `Shop`.`tips`, `Shop`.`city`, `Shop`.`province`, `Shop`.`address`, `Shop`.`logo`, `Shop`.`publicity_photo`, `Shop`.`taobao_link`, `Shop`.`is_vertify`, `Shop`.`create_time`, `Shop`.`update_time`, `ads`.`id` AS `ads.id`, `ads`.`shop_id` AS `ads.shop_id`, `ads`.`pic_url` AS `ads.pic_url`, `ads`.`description` AS `ads.description`, `ads`.`link` AS `ads.link`, `ads`.`is_valid` AS `ads.is_valid`, `ads`.`is_vertify` AS `ads.is_vertify`, `ads`.`create_time` AS `ads.create_time`, `ads`.`update_time` AS `ads.update_time` FROM `weshop_shop` AS `Shop` INNER JOIN `weshop_shop_advertsing` AS `ads` ON `Shop`.`id` = `ads`.`shop_id` AND `ads`.`is_valid`=1 AND `ads`.`is_vertify`=1 WHERE `Shop`.`id`='1';
我想使用" LEFT JOIN" ,我该怎么办?
答案 0 :(得分:22)
使用:
required:false
句:
Shop.findAll({
where:{id:shopId},
include:[
{ model:ShopAd, as:'ads',
where:{
is_valid:1,
is_vertify:1},
required:false
}
]
})
.success(function(result) {
callback(result);
});
答案 1 :(得分:2)
required: true
强制使用INNER JOIN
,使用required: false
强制使用LEFT JOIN
。
取自here。