{"provider_url":"https://hatena.blog","image_url":null,"version":"1.0","description":"\u9577\u3044\u304c\u30bf\u30a4\u30c8\u30eb\u306e\u901a\u308a\u3002 \u7d50\u8ad6 \u691c\u8a3c \u30c6\u30fc\u30d6\u30eb\u4f8b CREATE UNIQUE INDEX\u3067UNIQUE\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u308b ALTER TABLE\u3067UNIQUE\u5236\u7d04\u3092\u4f5c\u308b UPSERT\u53e5\u3067\u4f7f\u3046 \u307e\u3068\u3081 \u7d50\u8ad6 CREATE UNIQUE INDEX \u306f UNIQUE\u30a4\u30f3\u30c7\u30c3\u30af\u30b9 \u3092\u4f5c\u308b\u3002ALTER TABLE ... ADD CONSTRAINT ... UNIQUE \u306f UNIQUE\u5236\u7d04 \u3092\u4f5c\u308b\u3002 \u5024\u3092\u91cd\u8907\u3055\u305b\u306a\u3044\u305f\u3081\u306e\u76ee\u7684\u3067\u3042\u308c\u3070\u3069\u3061\u3089\u3092\u4f7f\u3063\u3066\u3082\u554f\u984c\u306a\u3044\u304c\u3001UPSERT\u53e5\uff08INSERT INTO ... ON CONFLICT ON CONSTRAINT ...\uff09\u3092\u4f7f\u3044\u305f\u3044\u5834\u5408\u306f UNIQUE\u5236\u2026","height":"190","width":"100%","type":"rich","author_url":"https://blog.hatena.ne.jp/celeron1ghz/","provider_name":"Hatena Blog","categories":["\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fceleron1ghz.hatenablog.com%2Fentry%2F2022%2F12%2F25%2F154346\" title=\"PostgreSQL\u3067UPSERT\u3092\u3059\u308b\u306b\u306fCREATE UNIQUE INDEX\u3067UNIQUE\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\u306e\u3067\u306f\u306a\u304fALTER TABLE\u3067UNIQUE\u5236\u7d04\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b - \u30c4\u30fc\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"PostgreSQL\u3067UPSERT\u3092\u3059\u308b\u306b\u306fCREATE UNIQUE INDEX\u3067UNIQUE\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\u306e\u3067\u306f\u306a\u304fALTER TABLE\u3067UNIQUE\u5236\u7d04\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b","published":"2022-12-25 15:43:46","author_name":"celeron1ghz","blog_url":"https://celeron1ghz.hatenablog.com/","url":"https://celeron1ghz.hatenablog.com/entry/2022/12/25/154346","blog_title":"\u30c4\u30fc"}