{"id":41599,"date":"2023-10-22T11:43:33","date_gmt":"2023-09-14T05:05:34","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8epostgresql%e7%9a%84%e7%ac%94%e8%ae%b01\/"},"modified":"2024-05-04T05:28:57","modified_gmt":"2024-05-03T21:28:57","slug":"%e5%85%b3%e4%ba%8epostgresql%e7%9a%84%e7%ac%94%e8%ae%b01","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8epostgresql%e7%9a%84%e7%ac%94%e8%ae%b01\/","title":{"rendered":"\u5173\u4e8ePostgreSQL\u7684\u7b14\u8bb01"},"content":{"rendered":"<h2>\u5e8f\u5217\u64cd\u4f5c<\/h2>\n<h3>setval\u51fd\u6570\u7684\u7b2c\u4e09\u4e2a\u53c2\u6570<\/h3>\n<p>\u5728\u521d\u59cb\u5316\u65f6\u8981\u6ce8\u610f is_called\u3002<br \/>\n\u5728\u8fdb\u884c\u521d\u59cb\u5316\u7684\u65f6\u5019\uff0c\u5c06\u5176\u8bbe\u4e3a false\u3002<\/p>\n<h2>\u5173\u4e8e\u6307\u6570<\/h2>\n<p>\u56e0\u4e3a\u8fd8\u6ca1\u6709\u5b8c\u5168\u7406\u89e3\uff0c\u6240\u4ee5\u8981\u9010\u6e10\u5b66\u4e60\uff0c\u6839\u636e\u9700\u8981\u3002<\/p>\n<h3>\u5f53\u8bbe\u7f6e\u4e86\u4e3b\u952e\u6216\u552f\u4e00\u6027\u6307\u5b9a\u65f6\uff0c\u4e00\u610f\u7d22\u5f15\u4f1a\u81ea\u52a8\u521b\u5efa\u3002<\/h3>\n<p>\u5728PostgreSQL\u4e2d\uff0c\u81ea\u52a8\u521b\u5efa\u7d22\u5f15\u7684\u6761\u4ef6\u2014\u2014sternheller\u7684\u65e5\u5fd7<\/p>\n<p>\u4e00\u610f\u7d22\u5f15\u662f\u4e00\u79cd\u5728\u6570\u636e\u5e93\u4e2d\u7528\u4e8e\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u7684\u673a\u5236\u3002\u5b83\u901a\u8fc7\u7981\u6b62\u91cd\u590d\u503c\u7684\u63d2\u5165\u6765\u4fdd\u8bc1\u552f\u4e00\u6027\uff0c\u5e76\u4e14\u53ef\u4ee5\u63d0\u9ad8\u68c0\u7d22\u6570\u636e\u7684\u6548\u7387\u3002\u8bf7\u8bbf\u95ee\u4ee5\u4e0b\u94fe\u63a5\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u4e00\u610f\u7d22\u5f15\u7684\u4fe1\u606f\uff1ahttps:\/\/www.postgresql.jp\/document\/8.3\/html\/indexes-unique.html<\/p>\n<h3>\u7d22\u5f15\u7c7b\u578b (su\u01d2<\/h3>\n<p>\u4f3c\u4e4e\u6709\u56db\u79cd\u7c7b\u578b\u3002<br \/>\n\u9ed8\u8ba4\u7684\u662f\u5e73\u8861\u6811\u7d22\u5f15\uff0c\u7528\u4e8e\u7f13\u5b58\u3002<br \/>\n\u8fd9\u4e2aB\u6811\u4f3c\u4e4e\u53ef\u4ee5\u6307\u5b9a\u987a\u5e8f\u3002<\/p>\n<p>\u300c\u5982\u4f55\u6709\u6548\u5229\u7528PostgreSQL\u7d22\u5f15 TECHSCORE BLOG\u300d\u662f\u4e00\u7bc7\u5173\u4e8e\u5728PostgreSQL\u4e2d\u5982\u4f55\u9ad8\u6548\u5229\u7528\u7d22\u5f15\u7684\u6587\u7ae0\u3002<\/p>\n<h3>\u53cd\u6a21\u5f0f<\/h3>\n<p>\u66ab\u6642\u5148\u53ea\u8a18\u4f4f\u4e09\u500b\u5927\u6982\u5c31\u597d<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">where\u3067\u95a2\u6570\u3092\u4f7f\u3046\u6642\u306b\u306f\u6ce8\u610f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">index\u306f\u5fc5\u8981\u60aa\u3068\u3082\u8003\u3048\u3089\u308c\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">2\u30ad\u30fc\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u6709\u52b9\u6d3b\u7528\u3059\u308b\u306e\u304c\u3088\u3044<\/ul>\n<p>PostgreSQL\u53cd\u6a21\u5f0f\uff1a\u7d22\u5f15\u76f8\u5173\u7684\u4e09\u5927\u95ee\u9898 &#8211; Qiita<br \/>\nhttp:\/\/qiita.com\/masudakz\/items\/6a9cfa1db7ab59ea75aa<\/p>\n<h2>Serial\u578b\u548csequence\u578b<\/h2>\n<p>\u5982\u679c\u9700\u8981\u5b9a\u4e49\u5e8f\u5217\uff0c\u4e32\u884c\u7c7b\u578b\u4f1a\u66f4\u5bb9\u6613\uff0c\u4f46\u5b9e\u73b0\u65b9\u5f0f\u662f\u76f8\u540c\u7684\u3002<br \/>\n\u5982\u679c\u9700\u8981\u66f4\u7cbe\u7ec6\u7684\u63a7\u5236\uff0c\u53ef\u80fd\u9009\u62e9\u5e8f\u5217\u3002<\/p>\n<p>PostgreSQL &#8211; \u4f7f\u7528PostgreSQL\u7684serial\u7c7b\u578b\u7684\u7f3a\u70b9(63038) | teratail<\/p>\n<p>\u6280\u672f\/PostgreSQL\/\u540e\u7f6e&#8221;serial&#8221;\u8bbe\u7f6e\u65b9\u6cd5\u5907\u6ce8 &#8211; Glamenv-Septzen.net<br \/>\nhttps:\/\/www.glamenv-septzen.net\/view\/725<\/p>\n<blockquote><p>\u7b80\u8a00\u4e4b\uff0c\u5f53\u8bbe\u7f6e\u4e3a&#8221;serial&#8221;\u65f6\uff0c\u5e8f\u5217\u7684\u751f\u6210\u548c\u9500\u6bc1\u4f1a\u5728\u540e\u53f0\u4e0e\u8868\u683c\u8fdb\u884c\u8054\u52a8\u8c03\u6574\u3002<\/p><\/blockquote>\n<h2>\u5728\u53e5\u5b50\u4e2d\u5b58\u5728<\/h2>\n<p>\u52a0\u5febSQL\u901f\u5ea6-\u7b80\u4fbf\u7684\u6027\u80fd\u8c03\u4f18<br \/>\nhttp:\/\/www.geocities.jp\/mickindex\/database\/db_optimize.html#LocalLink-exists<\/p>\n<h2>\u5bfb\u627e\u5728\u5176\u4ed6\u684c\u5b50\u4e0a\u4e0d\u5b58\u5728\u7684\u884c\u3002<\/h2>\n<p>\u8981\u67e5\u627e\u5728\u5176\u4ed6\u8868\u4e2d\u4e0d\u5b58\u5728\u7684\u884c &#8211; PostgreSQL\u7b14\u8bb0 &#8211; postgresql\u7ec4<br \/>\nhttps:\/\/postgresql.g.hatena.ne.jp\/pgsql\/20110302<\/p>\n<h2>\u5f53\u4eceMySQL\u8fc1\u79fb\u5230PostgreSQL\u65f6\u7684\u6982\u8981\u5907\u5fd8\u5f55\u3002<\/h2>\n<p>\u55ef\uff0c\u539f\u6587\u7ae0\u597d\u50cf\u627e\u4e0d\u5230\u4e86\u3002\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c6\u30fc\u30d6\u30eb\u64cd\u4f5c\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">join \u306e\u4ee3\u308f\u308a\u306b\u975e\u76f8\u95a2\u30b5\u30d6\u30af\u30a8\u30ea\u3092\u7a4d\u6975\u7684\u306b\u4f7f\u3046<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">with \u53e5\u3092\u4f7f\u3063\u3066\u30b5\u30d6\u30af\u30a8\u30ea\u306b\u540d\u524d\u3092\u4ed8\u3051\u3089\u308c\u307e\u3059<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ab\u30e9\u30e0\u306b\u3082\u5225\u540d\u3092\u4ed8\u3051\u3089\u308c\u307e\u3059<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">insert \u6587\u3067\u30ec\u30b3\u30fc\u30c9\u3092\u633f\u5165\u3057\u305f\u3068\u304d\u306b\u3001id \u3084 created_at \u306e\u5024\u3092\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u751f\u6210\u3057\u305f\u30b7\u30fc\u30b1\u30f3\u30b9\u306b\u5bfe\u3057\u3001\u4ee5\u4e0b\u306e\u95a2\u6570\u304c\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>currval() \u2026 \u73fe\u5728\u306e\u5024\u3092\u53d6\u5f97\u3059\u308b<br \/>\nnextval() \u2026 \u6b21\u306e\u5024\u3092\u53d6\u5f97\u3059\u308b (\u73fe\u5728\u5024\u304c 1 \u5897\u3048\u308b)<br \/>\nsetval() \u2026 \u5024\u3092\u8a2d\u5b9a\u3057\u76f4\u3059<\/p>\n<p>auto_increment \u306f serial \u578b\u3067\u3001\u30ab\u30e9\u30e0\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u306f\u306a\u304f\u30c7\u30fc\u30bf\u578b<br \/>\n&#8216;infinity&#8217; &#8216;-infinity&#8217; \u304c\u4f7f\u3048\u307e\u3059\u3002<br \/>\ngenerate_series() \u3068\u306f\u3001\u9023\u7d9a\u3057\u305f\u6574\u6570\u3092\u751f\u6210\u3059\u308b\u95a2\u6570\u3067\u3059<br \/>\n\u518d\u5e30 SQL \u3068\u306f\u30011 \u56de\u306e\u30af\u30a8\u30ea\u3067\u30011 \u3064\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u4f55\u5ea6\u3082 select \u6587\u3092\u5b9f\u884c\u3059\u308b\u3088\u3046\u306a\u6a5f\u80fd\u3067\u3059\u3002<br \/>\n\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u308b\u3068\u304d\u3001\u5168\u90e8\u306e\u884c\u3067\u306f\u306a\u304f\u3001\u6761\u4ef6\u306b\u4e00\u81f4\u3057\u305f\u884c\u306b\u3060\u3051\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u6642\u306b\u3001\u30ab\u30e9\u30e0\u540d\u3067\u306f\u306a\u304f\u4efb\u610f\u306e\u5f0f\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002 \u3053\u308c\u3092\u300c\u5f0f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u300d\u3068\u3044\u3044\u307e\u3059 (\u6614\u306f\u300c\u95a2\u6570\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u300d\u3068\u547c\u3070\u308c\u3066\u305f\u3088\u3046\u3067\u3059)\u3002<br \/>\n\u96c6\u7d04\u95a2\u6570\u306e\u3072\u3068\u3064\u3067\u3042\u308b array_agg() \u3092\u4f7f\u3048\u3070\u30011 : N \u306e\u307e\u307e\u53d6\u308a\u51fa\u305b\u307e\u3059\u3002<br \/>\njson_agg() \u3092\u4f7f\u3046\u3068\u3001\u3088\u308a\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3067\u53d6\u308a\u51fa\u305b\u307e\u3059\u3002<br \/>\n1\u30ab\u30e9\u30e0\u306b\u8907\u6570\u306e\u5024\u3092\u8a2d\u5b9a\u3067\u304d\u308b\u3002Relational \u7684\u306b\u306f\u3069\u3046\u306a\u306e\uff1f\u3068\u8a00\u308f\u308c\u305d\u3046\u3060\u304c\u3001\u5b9f\u969b\u4fbf\u5229\u306a\u306e\u3067\u4ed5\u65b9\u306a\u3044\u3002<br \/>\nJSON \u3092\u8868\u3059\u30c7\u30fc\u30bf\u578b\u3002Relational \u7684\u306b\u306f\u3069\u3046\u306a\u306e\uff1f\u3068\u8a00\u308f\u308c\u305d\u3046\u3060\u304c\u3001\u8d85\u7d76\u306b\u4fbf\u5229\u306a\u306e\u3067\u4ed5\u65b9\u306a\u3044\u3002<br \/>\nListen\/Notify Observer \u30d1\u30bf\u30fc\u30f3\u3068\u304b\u3001PubSub \u3068\u304b\u3002<br \/>\n\u5225\u30b7\u30b9\u30c6\u30e0\u306e DB \u3084 CSV \u30d5\u30a1\u30a4\u30eb\u304c\u3001\u3042\u305f\u304b\u3082\u30c6\u30fc\u30d6\u30eb\u304b\u306e\u3088\u3046\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3002<br \/>\nPostGIS \u4f4d\u7f6e\u60c5\u5831\u3092\u6271\u3046\u3068\u304d\u306e\u5b9a\u756a\u3002\u8fd1\u8ddd\u96e2\u3092\u6271\u3046\u3060\u3051\u306a\u3089\u5fc5\u8981\u306a\u3044\u304b\u3082\u3057\u308c\u306a\u3044\u3051\u3069\u3001\u305f\u3068\u3048\u3070\u6771\u4eac-\u5317\u4eac\u9593\u306e\u8ddd\u96e2\u3092\u8a08\u7b97\u3059\u308b\u3068\u304d\u306f\u5730\u7403\u304c\u6955\u5186\u4f53\u3067\u3042\u308b\u3053\u3068\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u305d\u3046\u3044\u3046\u306e\u3092\u3084\u3063\u3066\u304f\u308c\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5e8f\u5217\u64cd\u4f5c setval\u51fd\u6570\u7684\u7b2c\u4e09\u4e2a\u53c2\u6570 \u5728\u521d\u59cb\u5316\u65f6\u8981\u6ce8\u610f is_called\u3002 \u5728\u8fdb\u884c\u521d\u59cb\u5316\u7684\u65f6\u5019\uff0c\u5c06\u5176\u8bbe\u4e3a  [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-41599","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) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5173\u4e8ePostgreSQL\u7684\u7b14\u8bb01 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5173\u4e8epostgresql\u7684\u7b14\u8bb01\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5173\u4e8ePostgreSQL\u7684\u7b14\u8bb01\" 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