查询哪里关联在续集？

where子句在内部连接中使用。 我的查询是

 SELECT Cou.country_id,cou.country_name, Sta.state_id, Sta.state_name FROM hp_country Cou INNER JOIN hp_state Sta ON Cou.country_id = Sta.hp_country_id WHERE (Cou.country_status=1 AND Sta.state_status=1 AND Cou.country_id=1) AND (Sta.state_name LIKE '%ta%'); 

我在续集代码中写的是

 hp_country.findAll({ where: { '$hp_state.state_status$': 1 }, include: [ {model: hp_state} ] }) 

它产生的错误是：

 SELECT `hp_country`.`country_id`, `hp_country`.`country_name`, `hp_country`.`country_status`, `hp_country`.`created_date`, `hp_country`.`update_date` FROM `hp_country` AS `hp_country` WHERE `hp_state`.`state_status` = 1; Unhandled rejection SequelizeDatabaseError: ER_BAD_FIELD_ERROR: Unknown column 'hp_state.state_status' in 'where clause' 

Answer 1

您的Sequelize代码应如下所示：

 hp_country.findAll({ attributes: ['country_id', 'country_name'], where: { country_status: 1, country_id: 1 }, include: [{ model: hp_state, attributes: ['state_id', 'state_name'], where: { state_status: 1, state_name: { $like: '%ta%' } } }] }); 

要只select一些属性，可以使用attributes选项。 where子句应该在include语句中移动，因为您使用的条件与hp_state模型有关。

Answer 2

 hp_country.findAll({ where: { //main AND condition $and: [ //first joint condition { $and: [ { country_status: 1 }, { country_id: country_id }, Sequelize.literal("hp_states.state_status = 1"), Sequelize.literal("`hp_states.hp_districts`.`district_status`=1"), Sequelize.literal("`hp_states.hp_districts.hp_cities`.`city_status`=1"), Sequelize.literal("`hp_states.hp_districts.hp_cities.hp_locations`.`location_status`=1"), Sequelize.literal("`hp_states.hp_districts.hp_cities.hp_locations.hp_sub_locations`.`sub_location_status`=1"), Sequelize.literal("`hp_states.hp_districts.hp_cities`.`city_name` LIKE '%"+city+"%'") ] }, { $or: [ Sequelize.literal("`hp_states.hp_districts.hp_cities.hp_locations`.`location_name` LIKE '%"+query+"%'"), Sequelize.literal("`hp_states.hp_districts.hp_cities.hp_locations.hp_sub_locations`.`sub_location_name` LIKE '%"+query+"%'"), Sequelize.literal("`hp_states.hp_districts.hp_cities.hp_locations.hp_sub_locations.hp_property`.`property_name` LIKE '%"+query+"%'"), Sequelize.literal("`hp_states.hp_districts.hp_cities.hp_locations.hp_sub_locations.hp_property.hp_builder`.`builders_name` LIKE '%"+query+"%'") ] } ] }, attributes: ['country_id', 'country_name'], required:true, include: [ { model: hp_state, attributes: ['state_id', 'state_name'], required:true, include: [ { model: hp_district, attributes: ['district_id', 'district_name'], required:true, include: [ { model: hp_city, attributes: ['city_id', 'city_name'], required:true, include: [ { model: hp_location, attributes: ['location_id', 'location_name'], required:true, include: [ { model: hp_sub_location, attributes: ['sub_location_id', 'sub_location_name'], required:true, include: [ { model: hp_property, attributes: ['property_id', 'property_name'], required: true, include: [ { model:hp_builders, attributes: ['builders_id', 'builders_name'], required: true } ] } ] }] }] }] } ] } ] 

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