{"image_url":null,"blog_title":"taedium\u306e\u65e5\u8a18","url":"https://taedium.hatenadiary.org/entry/20090408/p1","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftaedium.hatenadiary.org%2Fentry%2F20090408%2Fp1\" title=\" \u30a8\u30af\u30bc\u30ad\u30e5\u30fc\u30bf\u3002PlanState\u3068ExprState - taedium\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>","title":" \u30a8\u30af\u30bc\u30ad\u30e5\u30fc\u30bf\u3002PlanState\u3068ExprState","version":"1.0","categories":["DB","PostgreSQL"],"author_url":"https://blog.hatena.ne.jp/taedium/","published":"2009-04-08 00:00:00","type":"rich","blog_url":"https://taedium.hatenadiary.org/","description":"\u30af\u30a8\u30ea\u306e\u5b9f\u884c\u3067\u306f\u3001\u30d7\u30e9\u30f3\u30c4\u30ea\u30fc\u304c\u305d\u306e\u307e\u307e\u4f7f\u308f\u308c\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u30d7\u30e9\u30f3\u30c4\u30ea\u30fc\uff08Plan\uff09\u304b\u3089\u5909\u63db\u3055\u308c\u305f\u30d7\u30e9\u30f3\u30b9\u30c6\u30fc\u30c8\uff08PlanState\uff09\u304c\u4f7f\u308f\u308c\u308b\u3002\u5909\u63db\u3092\u884c\u3046\u306e\u306fExecInitNode()\u3002ExecInitNode\u306e\u30b7\u30b0\u30cd\u30c1\u30e3\u306f\u6b21\u306e\u3068\u304a\u308a\u3002 PlanState * ExecInitNode(Plan *node, EState *estate, int eflags) PlanState\u306e\u7d99\u627f\u95a2\u4fc2\u306fPlan\u306e\u7d99\u627f\u95a2\u4fc2\u306b\u307b\u3068\u3068\u3093\u3069\u305d\u306e\u307e\u307e\u5bfe\u5fdc\u3059\u308b\u3002\u3059\u3079\u3066execnodes.h\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u3002\u7d99\u627f\u95a2\u4fc2\u306f\u6b21\u306e\u3068\u304a\u308a\u3002 PlanState +--ResultState +--AppendState\u2026","height":"190","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","author_name":"taedium","width":"100%"}