{"type":"rich","description":"final AaaCB cb = new AaaCB(); cb.query().existsXxxList(new SubQuery() { public void query(XxxCB subCB) { subCB.query().setXxx...; } }); \u2193\u2193\u2193select ... from AAA where exists (select BBB_ID from BBB where BBB.xxx = ... and BBB.AAA_ID = AAA.AAA_ID)\u3067\u3059\u304c\u3001\u5b9f\u958b\u767a\u3067\u610f\u5916\u306b\u304b\u306a\u308a\u5f79\u306b\u7acb\u3063\u3066\u307e\u3059\u3002 (\u591a\u304f\u306e\u4eba\u306b\u4f7f\u3063\u3066\u3082\u3089\u3063\u3066\u3044\u307e\u3059)\u305f\u3060\u3053\u306e\u6a5f\u80fd\u3067\u3061\u3087\u3063\u3068\u60a9\u3093\u3067\u3044\u308b\u2026","provider_name":"Hatena Blog","blog_title":"jflute\u306e\u65e5\u8a18","version":"1.0","author_name":"jflute","width":"100%","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fjflute.hatenadiary.jp%2Fentry%2F20070721%2F1184950862\" title=\"ExistsReferrer\u306eWhere\u53e5\u9806\u5e8f\u3067\u60a9\u307f - jflute\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://jflute.hatenadiary.jp/","title":"ExistsReferrer\u306eWhere\u53e5\u9806\u5e8f\u3067\u60a9\u307f","author_url":"https://blog.hatena.ne.jp/jflute/","provider_url":"https://hatena.blog","published":"2007-07-21 02:01:02","categories":["SubQuery","ExistsReferrer"],"url":"https://jflute.hatenadiary.jp/entry/20070721/1184950862","image_url":null}