[英]Laravel 5.3 Eloquent where clause on joining table from parent model
我有一個織物桌,鏈接到一個品牌和一個季節。 運行App\\fabrics::with('brand', 'season')->get()
獲取所有面料及其品牌和季節信息,這很好(見下文)。
我想根據季節ID獲得面料。 我試過了:
App\\fabrics::with('brand', 'season')->where('season.id', '1')->get()
但這不起作用。
Column not found: 1054 Unknown column 'season.id' in 'where clause' (SQL: select * from `fabrics` where `season`.`id` = 1)'
是否可以通過其中一種關系獲得面料和過濾器?
顯然我可以從季節模型App :: season獲得面料,但我想知道它是否可以通過其母(面料)模型實現。
來自App \\ fabrics :: with('brand','season') - > get()的所有信息
>>> App\fabrics::with('brand', 'season')->get()
=> Illuminate\Database\Eloquent\Collection {#794
all: [
App\Fabrics {#786
id: 1,
fabric_code: "GMAN01",
fabric_design: "ANODA",
fabric_price_group: "I",
fabric_retail_price: "27.00",
fabric_trade_price: null,
fabric_width: 141,
fabric_pattern_repeat: 1,
fabric_fiber: "48% POLYESTER 44% COTTON 8% VISCOSE",
fabric_online: 1,
fabric_available: 1,
fabric_meters_remaining: 256.78,
fabric_virutal_meters_remaining: 216.28,
created_at: "2016-12-02 10:52:09",
updated_at: "2016-12-02 13:08:07",
brand_id: 1,
season_id: 1,
brand: App\Brands {#742
id: 1,
brand_name: "*****",
created_at: "2016-12-02 11:36:10",
updated_at: "2016-12-02 11:36:10",
},
season: App\Seasons {#795
id: 1,
season_name: "Autumn/Winter 2016",
season_code: "AW16",
created_at: "2016-12-02 13:07:50",
updated_at: "2016-12-02 13:07:50",
},
},
App\Fabrics {#765
id: 2,
fabric_code: "GMAN02",
fabric_design: "ANODA",
fabric_price_group: "I",
fabric_retail_price: "27.00",
fabric_trade_price: null,
fabric_width: 141,
fabric_pattern_repeat: 1,
fabric_fiber: "48% POLYESTER 44% COTTON 8% VISCOSE",
fabric_online: 1,
fabric_available: 0,
fabric_meters_remaining: 20.0,
fabric_virutal_meters_remaining: 17.0,
created_at: "2016-12-02 10:52:09",
updated_at: "2016-12-02 13:14:56",
brand_id: 2,
season_id: 1,
brand: App\Brands {#770
id: 2,
brand_name: "*****",
created_at: "2016-12-02 11:36:10",
updated_at: "2016-12-02 11:36:10",
},
season: App\Seasons {#795},
},
App\Fabrics {#791
id: 3,
fabric_code: "JBBU01",
fabric_design: "BURDOCK",
fabric_price_group: "D",
fabric_retail_price: "16.00",
fabric_trade_price: null,
fabric_width: 140,
fabric_pattern_repeat: 64,
fabric_fiber: "100% COTTON",
fabric_online: 0,
fabric_available: 1,
fabric_meters_remaining: 856.1,
fabric_virutal_meters_remaining: 856.1,
created_at: "2016-12-02 10:52:09",
updated_at: "2016-12-02 13:08:13",
brand_id: 3,
season_id: 4,
brand: App\Brands {#787
id: 3,
brand_name: "*****",
created_at: "2016-12-02 11:36:10",
updated_at: "2016-12-02 11:36:10",
},
season: App\Seasons {#775
id: 4,
season_name: "Spring/Summer 2015",
season_code: "SS15",
created_at: "2016-12-02 13:07:50",
updated_at: "2016-12-02 13:07:50",
},
},
],
}
使用封閉裝置來控制急切負荷 :
App\fabrics::with(['brand', 'season' => function($q) use($seasonId) {
$q->where('id', $seasonId);
}])->get();
如果whereHas()
季節ID過濾結構,請使用whereHas()
:
App\fabrics::with('brand', 'season')
->whereHas('season', function($q) use($seasonId) {
$q->where('id', $seasonId);
})->get();
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