{"id":41383,"date":"2022-11-10T14:31:54","date_gmt":"2023-08-02T07:04:16","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/postgresql%e7%ac%94%e8%ae%b0-2\/"},"modified":"2024-04-29T00:01:24","modified_gmt":"2024-04-28T16:01:24","slug":"postgresql%e7%ac%94%e8%ae%b0-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/postgresql%e7%ac%94%e8%ae%b0-2\/","title":{"rendered":"PostgreSQL\u7b14\u8bb0"},"content":{"rendered":"<h1>\u5728\u4f7f\u7528PostgreSQL\u65f6\u53d1\u73b0\u7684\u4e00\u4e9b\u4e8b\u60c5\u6216\u5907\u5fd8\u5f55\u6240\u5728\u3002<\/h1>\n<p>\u6211\u4f1a\u968f\u65f6\u66f4\u65b0\u7684\u3002<\/p>\n<h2>\u5229\u7528LIKE\u8bed\u53e5\u6765\u91cd\u590d\u4f7f\u7528\u8868\u5b9a\u4e49\u3002<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u540d\u524d\u306e\u610f\u5473<\/ul>\n<\/li>\n<\/ul>\n<p>tblname: \u4f5c\u6210\u3059\u308b\u30c6\u30fc\u30d6\u30eb\u540d<br \/>\nparent: DDL\u3092\u6d41\u7528\u3059\u308b\u5143\u30c6\u30fc\u30d6\u30eb\u540d<br \/>\ntblname: \u30c7\u30fc\u30bf\u3092\u3064\u3063\u3053\u3080\u30c6\u30fc\u30d6\u30eb\u540d<br \/>\npkeycol: PRIMARY KEY\u306b\u6307\u5b9a\u3057\u305f\u30ab\u30e9\u30e0\u540d\uff08\u8907\u6570\u30ab\u30e9\u30e0\u306b\u6307\u5b9a\u3057\u305f\u5834\u5408\u306f\uff0c\u591a\u5206\uff0c\u305d\u308c\u3089\u5168\u90e8\u8981\u308b\uff09<\/p>\n<p>\u3084\u308a\u304b\u305f<\/p>\n<p>CREATE TABLE tblname (LIKE parent);<\/p>\n<p>\u6ce8\u610f<\/p>\n<p>\u4e0a\u306e\u6587\u3067\u306fPRIMARY KEY\u3068\u304b\u30b3\u30e1\u30f3\u30c8\u3068\u304b\u3064\u3044\u3066\u3053\u306a\u3044\u306e\u3067\uff0c\u632f\u308a\u76f4\u3055\u306a\u3044\u3068\u3060\u3081\uff0e<br \/>\nDEFAULT\u5024\u3068\u304b\u306fLIKE\u53e5\u306e\u5f8c\u308d\u306bdefault\u3068\u304b\u3064\u3051\u305f\u3089\u30b3\u30d4\u30fc\u3067\u304d\u308b\uff0e<br \/>\n\u8a73\u3057\u304f\u306fCREATE TABLE\u3068\u304b\u53c2\u7167\uff0e<\/p>\n<p>\u304a\u307e\u3051<\/p>\n<p>PRIMARY KEY\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408<\/p>\n<p>ALTER TABLE tblname ADD PRIMARY KEY (pkeycol);<\/p>\n<p>\u30b3\u30e1\u30f3\u30c8\u3092\u3064\u3051\u308b\u5834\u5408\u306f<\/p>\n<p>COMMENT ON TABLE tblname IS &#8216;\u2190\u3068\u3044\u3046\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u3063\u305f\u305d\u3046\u306a&#8217;;<br \/>\nCOMMENT ON COLUMN tblname.pkeycol IS &#8216;\u2190\u3053\u308cPRIMARY KEY\u3060\u304b\u3089&#8217;;<\/p>\n<h2>\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5c31\u63d2\u5165\uff1b\u5982\u679c\u6709\u91cd\u590d\uff0c\u5c31\u66f4\u65b0\u3002<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u540d\u524d\u306e\u610f\u5473<\/ul>\n<\/li>\n<\/ul>\n<p>tblname: \u30c7\u30fc\u30bf\u3092\u3064\u3063\u3053\u3080\u30c6\u30fc\u30d6\u30eb\u540d<br \/>\npkeycol: PRIMARY KEY\u306b\u6307\u5b9a\u3057\u305f\u30ab\u30e9\u30e0\u540d\uff08\u8907\u6570\u30ab\u30e9\u30e0\u306b\u6307\u5b9a\u3057\u305f\u5834\u5408\u306f\uff0c\u591a\u5206\uff0c\u305d\u308c\u3089\u5168\u90e8\u8981\u308b\uff09<br \/>\ncolname: \u30c7\u30fc\u30bf\u3092\u5165\u308c\u305f\u3044\u30ab\u30e9\u30e0\u540d<br \/>\npkeyval: pkeycol\u306e\u30ab\u30e9\u30e0\u306b\u5165\u308c\u308b\u5024<br \/>\nvalue: colname\u306e\u30ab\u30e9\u30e0\u306b\u5165\u308c\u308b\u5024<\/p>\n<p>\u3084\u308a\u304b\u305f<\/p>\n<p>INSERT INTO tblname (pkeycol,colname) VALUES (pkeyval,value)<br \/>\nON CONFLICT ON CONSTRAINT pkeyname<br \/>\nDO UPDATE SET colname = value;<\/p>\n<p>\u6ce8\u610f<\/p>\n<p>CONSTRAINT\u3067\u6307\u5b9a\u3059\u308bPRIMARY KEY\u304c\u5fc5\u8981\uff0e\u305d\u3089\u305d\u30fc\u3060\uff0e<\/p>\n<p>\u304a\u307e\u3051<\/p>\n<p>\u3061\u306a\u307f\u306bMySQL\u3067\u306f\uff0c\u3053\u3093\u306a\u611f\u3058\u3089\u3057\u3044\uff0e<br \/>\n\u30ec\u30b3\u30fc\u30c9\u304c\u306a\u3051\u308c\u3070INSERT,\u3042\u308c\u3070UPDATE\u3092\u3059\u308bSQL &#8211; Qiita<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u4f7f\u7528PostgreSQL\u65f6\u53d1\u73b0\u7684\u4e00\u4e9b\u4e8b\u60c5\u6216\u5907\u5fd8\u5f55\u6240\u5728\u3002 \u6211\u4f1a\u968f\u65f6\u66f4\u65b0\u7684\u3002 \u5229\u7528LIKE\u8bed\u53e5\u6765\u91cd\u590d\u4f7f\u7528\u8868\u5b9a\u4e49\u3002 [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-41383","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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