質問編集履歴
4
SQL
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@@ -39,6 +39,56 @@
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以下クエリ文
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create table POST_CATEGORY(
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POST_ID INT not null
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, CATEGORY_ID INT not null);
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create table POST(
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ID INT not null
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, TITLE VARCHAR (100)
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, constraint POST_PKC primary key (ID)
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);
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INSERT
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INTO POST(ID, TITLE)
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VALUES (1, '記事1')
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, (2, '記事2')
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, (3, '記事3');
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INSERT
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INTO POST_CATEGORY(POST_ID, CATEGORY_ID)
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VALUES (1, 1)
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, (1, 2)
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, (1, 3)
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, (2, 2)
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, (3, 3);
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3
要件修正
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test
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記事検索画面で、カテゴリーを複数選択できるチェックボックスを配置して検索した場合に、
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選択したカテゴリーのみが紐づく、検索結果を取得したいです。
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条件
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①記事に紐づくカテゴリー総数
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②検索条件で選択されたカテゴリーと紐づく「POST_CATEGORY」の「POST_ID」毎の総数
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①と②が一致することが条件となります。
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2
例で表示したデータ修正
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1
Modelについて記載させて頂きました
test
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@@ -63,3 +63,55 @@
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上記の様な実装を行いたい場合は、EloqentのBuilderではどのように指定すればよろしいのでしょうか。
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```PHP
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class Post extends Model{
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protected $table = "POST";
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protected $primaryKey = "ID";
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public $incrementing = false;
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public function categories(){
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return $this->hasMany(PostCategory::class, "POST_ID");
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}
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}
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class PostCategory extends Model{
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protected $table = "POST_CATEGORY";
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protected $primaryKey = "ID";
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public $incrementing = false;
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}
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```
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